2318 lines
85 KiB
C++
2318 lines
85 KiB
C++
#include "Model.hpp"
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#include "libslic3r.h"
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#include "BuildVolume.hpp"
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#include "Exception.hpp"
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#include "Model.hpp"
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#include "ModelArrange.hpp"
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#include "Geometry/ConvexHull.hpp"
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#include "MTUtils.hpp"
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#include "TriangleMeshSlicer.hpp"
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#include "TriangleSelector.hpp"
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#include "Format/AMF.hpp"
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#include "Format/OBJ.hpp"
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#include "Format/STL.hpp"
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#include "Format/3mf.hpp"
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#include <float.h>
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#include <boost/algorithm/string/predicate.hpp>
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#include <boost/algorithm/string/replace.hpp>
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#include <boost/filesystem.hpp>
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#include <boost/log/trivial.hpp>
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#include <boost/nowide/iostream.hpp>
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#include "SVG.hpp"
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#include <Eigen/Dense>
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#include "GCodeWriter.hpp"
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namespace Slic3r {
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Model& Model::assign_copy(const Model &rhs)
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{
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this->copy_id(rhs);
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// copy materials
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this->clear_materials();
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this->materials = rhs.materials;
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for (std::pair<const t_model_material_id, ModelMaterial*> &m : this->materials) {
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// Copy including the ID and m_model.
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m.second = new ModelMaterial(*m.second);
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m.second->set_model(this);
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}
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// copy objects
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this->clear_objects();
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this->objects.reserve(rhs.objects.size());
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for (const ModelObject *model_object : rhs.objects) {
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// Copy including the ID, leave ID set to invalid (zero).
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auto mo = ModelObject::new_copy(*model_object);
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mo->set_model(this);
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this->objects.emplace_back(mo);
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}
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// copy custom code per height
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this->custom_gcode_per_print_z = rhs.custom_gcode_per_print_z;
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return *this;
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}
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Model& Model::assign_copy(Model &&rhs)
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{
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this->copy_id(rhs);
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// Move materials, adjust the parent pointer.
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this->clear_materials();
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this->materials = std::move(rhs.materials);
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for (std::pair<const t_model_material_id, ModelMaterial*> &m : this->materials)
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m.second->set_model(this);
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rhs.materials.clear();
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// Move objects, adjust the parent pointer.
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this->clear_objects();
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this->objects = std::move(rhs.objects);
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for (ModelObject *model_object : this->objects)
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model_object->set_model(this);
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rhs.objects.clear();
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// copy custom code per height
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this->custom_gcode_per_print_z = std::move(rhs.custom_gcode_per_print_z);
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return *this;
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}
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void Model::assign_new_unique_ids_recursive()
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{
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this->set_new_unique_id();
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for (std::pair<const t_model_material_id, ModelMaterial*> &m : this->materials)
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m.second->assign_new_unique_ids_recursive();
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for (ModelObject *model_object : this->objects)
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model_object->assign_new_unique_ids_recursive();
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}
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void Model::update_links_bottom_up_recursive()
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{
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for (std::pair<const t_model_material_id, ModelMaterial*> &kvp : this->materials)
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kvp.second->set_model(this);
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for (ModelObject *model_object : this->objects) {
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model_object->set_model(this);
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for (ModelInstance *model_instance : model_object->instances)
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model_instance->set_model_object(model_object);
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for (ModelVolume *model_volume : model_object->volumes)
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model_volume->set_model_object(model_object);
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}
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}
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// Loading model from a file, it may be a simple geometry file as STL or OBJ, however it may be a project file as well.
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Model Model::read_from_file(const std::string& input_file, DynamicPrintConfig* config, ConfigSubstitutionContext* config_substitutions, LoadAttributes options)
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{
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Model model;
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DynamicPrintConfig temp_config;
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ConfigSubstitutionContext temp_config_substitutions_context(ForwardCompatibilitySubstitutionRule::EnableSilent);
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if (config == nullptr)
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config = &temp_config;
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if (config_substitutions == nullptr)
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config_substitutions = &temp_config_substitutions_context;
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bool result = false;
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if (boost::algorithm::iends_with(input_file, ".stl"))
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result = load_stl(input_file.c_str(), &model);
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else if (boost::algorithm::iends_with(input_file, ".obj"))
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result = load_obj(input_file.c_str(), &model);
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else if (boost::algorithm::iends_with(input_file, ".amf") || boost::algorithm::iends_with(input_file, ".amf.xml"))
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result = load_amf(input_file.c_str(), config, config_substitutions, &model, options & LoadAttribute::CheckVersion);
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else if (boost::algorithm::iends_with(input_file, ".3mf"))
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//FIXME options & LoadAttribute::CheckVersion ?
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result = load_3mf(input_file.c_str(), *config, *config_substitutions, &model, false);
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else
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throw Slic3r::RuntimeError("Unknown file format. Input file must have .stl, .obj, .amf(.xml) or .prusa extension.");
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if (! result)
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throw Slic3r::RuntimeError("Loading of a model file failed.");
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if (model.objects.empty())
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throw Slic3r::RuntimeError("The supplied file couldn't be read because it's empty");
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for (ModelObject *o : model.objects)
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o->input_file = input_file;
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if (options & LoadAttribute::AddDefaultInstances)
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model.add_default_instances();
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CustomGCode::update_custom_gcode_per_print_z_from_config(model.custom_gcode_per_print_z, config);
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CustomGCode::check_mode_for_custom_gcode_per_print_z(model.custom_gcode_per_print_z);
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sort_remove_duplicates(config_substitutions->substitutions);
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return model;
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}
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// Loading model from a file (3MF or AMF), not from a simple geometry file (STL or OBJ).
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Model Model::read_from_archive(const std::string& input_file, DynamicPrintConfig* config, ConfigSubstitutionContext* config_substitutions, LoadAttributes options)
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{
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assert(config != nullptr);
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assert(config_substitutions != nullptr);
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Model model;
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bool result = false;
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if (boost::algorithm::iends_with(input_file, ".3mf"))
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result = load_3mf(input_file.c_str(), *config, *config_substitutions, &model, options & LoadAttribute::CheckVersion);
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else if (boost::algorithm::iends_with(input_file, ".zip.amf"))
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result = load_amf(input_file.c_str(), config, config_substitutions, &model, options & LoadAttribute::CheckVersion);
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else
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throw Slic3r::RuntimeError("Unknown file format. Input file must have .3mf or .zip.amf extension.");
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if (!result)
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throw Slic3r::RuntimeError("Loading of a model file failed.");
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for (ModelObject *o : model.objects) {
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// if (boost::algorithm::iends_with(input_file, ".zip.amf"))
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// {
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// // we remove the .zip part of the extension to avoid it be added to filenames when exporting
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// o->input_file = boost::ireplace_last_copy(input_file, ".zip.", ".");
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// }
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// else
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o->input_file = input_file;
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}
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if (options & LoadAttribute::AddDefaultInstances)
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model.add_default_instances();
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CustomGCode::update_custom_gcode_per_print_z_from_config(model.custom_gcode_per_print_z, config);
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CustomGCode::check_mode_for_custom_gcode_per_print_z(model.custom_gcode_per_print_z);
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handle_legacy_sla(*config);
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return model;
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}
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ModelObject* Model::add_object()
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{
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this->objects.emplace_back(new ModelObject(this));
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return this->objects.back();
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}
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ModelObject* Model::add_object(const char *name, const char *path, const TriangleMesh &mesh)
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{
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ModelObject* new_object = new ModelObject(this);
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this->objects.push_back(new_object);
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new_object->name = name;
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new_object->input_file = path;
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ModelVolume *new_volume = new_object->add_volume(mesh);
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new_volume->name = name;
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new_volume->source.input_file = path;
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new_volume->source.object_idx = (int)this->objects.size() - 1;
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new_volume->source.volume_idx = (int)new_object->volumes.size() - 1;
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new_object->invalidate_bounding_box();
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return new_object;
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}
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ModelObject* Model::add_object(const char *name, const char *path, TriangleMesh &&mesh)
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{
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ModelObject* new_object = new ModelObject(this);
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this->objects.push_back(new_object);
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new_object->name = name;
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new_object->input_file = path;
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ModelVolume *new_volume = new_object->add_volume(std::move(mesh));
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new_volume->name = name;
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new_volume->source.input_file = path;
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new_volume->source.object_idx = (int)this->objects.size() - 1;
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new_volume->source.volume_idx = (int)new_object->volumes.size() - 1;
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new_object->invalidate_bounding_box();
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return new_object;
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}
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ModelObject* Model::add_object(const ModelObject &other)
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{
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ModelObject* new_object = ModelObject::new_clone(other);
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new_object->set_model(this);
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this->objects.push_back(new_object);
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return new_object;
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}
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void Model::delete_object(size_t idx)
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{
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ModelObjectPtrs::iterator i = this->objects.begin() + idx;
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delete *i;
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this->objects.erase(i);
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}
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bool Model::delete_object(ModelObject* object)
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{
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if (object != nullptr) {
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size_t idx = 0;
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for (ModelObject *model_object : objects) {
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if (model_object == object) {
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delete model_object;
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objects.erase(objects.begin() + idx);
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return true;
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}
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++ idx;
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}
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}
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return false;
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}
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bool Model::delete_object(ObjectID id)
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{
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if (id.id != 0) {
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size_t idx = 0;
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for (ModelObject *model_object : objects) {
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if (model_object->id() == id) {
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delete model_object;
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objects.erase(objects.begin() + idx);
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return true;
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}
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++ idx;
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}
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}
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return false;
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}
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void Model::clear_objects()
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{
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for (ModelObject *o : this->objects)
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delete o;
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this->objects.clear();
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}
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void Model::delete_material(t_model_material_id material_id)
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{
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ModelMaterialMap::iterator i = this->materials.find(material_id);
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if (i != this->materials.end()) {
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delete i->second;
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this->materials.erase(i);
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}
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}
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void Model::clear_materials()
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{
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for (auto &m : this->materials)
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delete m.second;
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this->materials.clear();
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}
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ModelMaterial* Model::add_material(t_model_material_id material_id)
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{
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assert(! material_id.empty());
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ModelMaterial* material = this->get_material(material_id);
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if (material == nullptr)
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material = this->materials[material_id] = new ModelMaterial(this);
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return material;
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}
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ModelMaterial* Model::add_material(t_model_material_id material_id, const ModelMaterial &other)
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{
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assert(! material_id.empty());
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// delete existing material if any
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ModelMaterial* material = this->get_material(material_id);
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delete material;
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// set new material
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material = new ModelMaterial(other);
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material->set_model(this);
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this->materials[material_id] = material;
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return material;
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}
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// makes sure all objects have at least one instance
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bool Model::add_default_instances()
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{
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// apply a default position to all objects not having one
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for (ModelObject *o : this->objects)
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if (o->instances.empty())
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o->add_instance();
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return true;
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}
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// this returns the bounding box of the *transformed* instances
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BoundingBoxf3 Model::bounding_box() const
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{
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BoundingBoxf3 bb;
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for (ModelObject *o : this->objects)
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bb.merge(o->bounding_box());
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return bb;
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}
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unsigned int Model::update_print_volume_state(const BuildVolume &build_volume)
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{
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unsigned int num_printable = 0;
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for (ModelObject* model_object : this->objects)
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num_printable += model_object->update_instances_print_volume_state(build_volume);
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return num_printable;
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}
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bool Model::center_instances_around_point(const Vec2d &point)
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{
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BoundingBoxf3 bb;
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for (ModelObject *o : this->objects)
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for (size_t i = 0; i < o->instances.size(); ++ i)
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bb.merge(o->instance_bounding_box(i, false));
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Vec2d shift2 = point - to_2d(bb.center());
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if (std::abs(shift2(0)) < EPSILON && std::abs(shift2(1)) < EPSILON)
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// No significant shift, don't do anything.
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return false;
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Vec3d shift3 = Vec3d(shift2(0), shift2(1), 0.0);
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for (ModelObject *o : this->objects) {
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for (ModelInstance *i : o->instances)
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i->set_offset(i->get_offset() + shift3);
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o->invalidate_bounding_box();
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}
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return true;
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}
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// flattens everything to a single mesh
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TriangleMesh Model::mesh() const
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{
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TriangleMesh mesh;
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for (const ModelObject *o : this->objects)
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mesh.merge(o->mesh());
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return mesh;
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}
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void Model::duplicate_objects_grid(size_t x, size_t y, coordf_t dist)
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{
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if (this->objects.size() > 1) throw "Grid duplication is not supported with multiple objects";
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if (this->objects.empty()) throw "No objects!";
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ModelObject* object = this->objects.front();
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object->clear_instances();
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Vec3d ext_size = object->bounding_box().size() + dist * Vec3d::Ones();
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for (size_t x_copy = 1; x_copy <= x; ++x_copy) {
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for (size_t y_copy = 1; y_copy <= y; ++y_copy) {
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ModelInstance* instance = object->add_instance();
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instance->set_offset(Vec3d(ext_size(0) * (double)(x_copy - 1), ext_size(1) * (double)(y_copy - 1), 0.0));
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}
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}
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}
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bool Model::looks_like_multipart_object() const
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{
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if (this->objects.size() <= 1)
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return false;
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double zmin = std::numeric_limits<double>::max();
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for (const ModelObject *obj : this->objects) {
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if (obj->volumes.size() > 1 || obj->config.keys().size() > 1)
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return false;
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for (const ModelVolume *vol : obj->volumes) {
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double zmin_this = vol->mesh().bounding_box().min(2);
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if (zmin == std::numeric_limits<double>::max())
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zmin = zmin_this;
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else if (std::abs(zmin - zmin_this) > EPSILON)
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// The volumes don't share zmin.
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return true;
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}
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}
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return false;
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}
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// Generate next extruder ID string, in the range of (1, max_extruders).
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static inline int auto_extruder_id(unsigned int max_extruders, unsigned int &cntr)
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{
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int out = ++ cntr;
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if (cntr == max_extruders)
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cntr = 0;
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return out;
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}
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void Model::convert_multipart_object(unsigned int max_extruders)
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{
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assert(this->objects.size() >= 2);
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if (this->objects.size() < 2)
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return;
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ModelObject* object = new ModelObject(this);
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object->input_file = this->objects.front()->input_file;
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object->name = boost::filesystem::path(this->objects.front()->input_file).stem().string();
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//FIXME copy the config etc?
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unsigned int extruder_counter = 0;
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for (const ModelObject* o : this->objects)
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for (const ModelVolume* v : o->volumes) {
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// If there are more than one object, put all volumes together
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// Each object may contain any number of volumes and instances
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// The volumes transformations are relative to the object containing them...
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Geometry::Transformation trafo_volume = v->get_transformation();
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// Revert the centering operation.
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trafo_volume.set_offset(trafo_volume.get_offset() - o->origin_translation);
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int counter = 1;
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auto copy_volume = [o, max_extruders, &counter, &extruder_counter](ModelVolume *new_v) {
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assert(new_v != nullptr);
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new_v->name = (counter > 1) ? o->name + "_" + std::to_string(counter++) : o->name;
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new_v->config.set("extruder", auto_extruder_id(max_extruders, extruder_counter));
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return new_v;
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};
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if (o->instances.empty()) {
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copy_volume(object->add_volume(*v))->set_transformation(trafo_volume);
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} else {
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for (const ModelInstance* i : o->instances)
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// ...so, transform everything to a common reference system (world)
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copy_volume(object->add_volume(*v))->set_transformation(i->get_transformation() * trafo_volume);
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}
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}
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// commented-out to fix #2868
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// object->add_instance();
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// object->instances[0]->set_offset(object->raw_mesh_bounding_box().center());
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this->clear_objects();
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this->objects.push_back(object);
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}
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static constexpr const double volume_threshold_inches = 9.0; // 9 = 3*3*3;
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bool Model::looks_like_imperial_units() const
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{
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if (this->objects.size() == 0)
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return false;
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for (ModelObject* obj : this->objects)
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if (obj->get_object_stl_stats().volume < volume_threshold_inches)
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return true;
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return false;
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}
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void Model::convert_from_imperial_units(bool only_small_volumes)
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{
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static constexpr const float in_to_mm = 25.4f;
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for (ModelObject* obj : this->objects)
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if (! only_small_volumes || obj->get_object_stl_stats().volume < volume_threshold_inches) {
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obj->scale_mesh_after_creation(in_to_mm);
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for (ModelVolume* v : obj->volumes) {
|
|
assert(! v->source.is_converted_from_meters);
|
|
v->source.is_converted_from_inches = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
static constexpr const double volume_threshold_meters = 0.001; // 0.001 = 0.1*0.1*0.1
|
|
|
|
bool Model::looks_like_saved_in_meters() const
|
|
{
|
|
if (this->objects.size() == 0)
|
|
return false;
|
|
|
|
for (ModelObject* obj : this->objects)
|
|
if (obj->get_object_stl_stats().volume < volume_threshold_meters)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
void Model::convert_from_meters(bool only_small_volumes)
|
|
{
|
|
static constexpr const double m_to_mm = 1000;
|
|
for (ModelObject* obj : this->objects)
|
|
if (! only_small_volumes || obj->get_object_stl_stats().volume < volume_threshold_meters) {
|
|
obj->scale_mesh_after_creation(m_to_mm);
|
|
for (ModelVolume* v : obj->volumes) {
|
|
assert(! v->source.is_converted_from_inches);
|
|
v->source.is_converted_from_meters = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
static constexpr const double zero_volume = 0.0000000001;
|
|
|
|
int Model::removed_objects_with_zero_volume()
|
|
{
|
|
if (objects.size() == 0)
|
|
return 0;
|
|
|
|
int removed = 0;
|
|
for (int i = int(objects.size()) - 1; i >= 0; i--)
|
|
if (objects[i]->get_object_stl_stats().volume < zero_volume) {
|
|
delete_object(size_t(i));
|
|
removed++;
|
|
}
|
|
return removed;
|
|
}
|
|
|
|
void Model::adjust_min_z()
|
|
{
|
|
if (objects.empty())
|
|
return;
|
|
|
|
if (bounding_box().min(2) < 0.0)
|
|
{
|
|
for (ModelObject* obj : objects)
|
|
{
|
|
if (obj != nullptr)
|
|
{
|
|
coordf_t obj_min_z = obj->bounding_box().min(2);
|
|
if (obj_min_z < 0.0)
|
|
obj->translate_instances(Vec3d(0.0, 0.0, -obj_min_z));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Propose a filename including path derived from the ModelObject's input path.
|
|
// If object's name is filled in, use the object name, otherwise use the input name.
|
|
std::string Model::propose_export_file_name_and_path() const
|
|
{
|
|
std::string input_file;
|
|
for (const ModelObject *model_object : this->objects)
|
|
for (ModelInstance *model_instance : model_object->instances)
|
|
if (model_instance->is_printable()) {
|
|
input_file = model_object->get_export_filename();
|
|
|
|
if (!input_file.empty())
|
|
goto end;
|
|
// Other instances will produce the same name, skip them.
|
|
break;
|
|
}
|
|
end:
|
|
return input_file;
|
|
}
|
|
|
|
std::string Model::propose_export_file_name_and_path(const std::string &new_extension) const
|
|
{
|
|
return boost::filesystem::path(this->propose_export_file_name_and_path()).replace_extension(new_extension).string();
|
|
}
|
|
|
|
bool Model::is_fdm_support_painted() const
|
|
{
|
|
return std::any_of(this->objects.cbegin(), this->objects.cend(), [](const ModelObject *mo) { return mo->is_fdm_support_painted(); });
|
|
}
|
|
|
|
bool Model::is_seam_painted() const
|
|
{
|
|
return std::any_of(this->objects.cbegin(), this->objects.cend(), [](const ModelObject *mo) { return mo->is_seam_painted(); });
|
|
}
|
|
|
|
bool Model::is_mm_painted() const
|
|
{
|
|
return std::any_of(this->objects.cbegin(), this->objects.cend(), [](const ModelObject *mo) { return mo->is_mm_painted(); });
|
|
}
|
|
|
|
ModelObject::~ModelObject()
|
|
{
|
|
this->clear_volumes();
|
|
this->clear_instances();
|
|
}
|
|
|
|
// maintains the m_model pointer
|
|
ModelObject& ModelObject::assign_copy(const ModelObject &rhs)
|
|
{
|
|
assert(this->id().invalid() || this->id() == rhs.id());
|
|
assert(this->config.id().invalid() || this->config.id() == rhs.config.id());
|
|
this->copy_id(rhs);
|
|
|
|
this->name = rhs.name;
|
|
this->input_file = rhs.input_file;
|
|
// Copies the config's ID
|
|
this->config = rhs.config;
|
|
assert(this->config.id() == rhs.config.id());
|
|
this->sla_support_points = rhs.sla_support_points;
|
|
this->sla_points_status = rhs.sla_points_status;
|
|
this->sla_drain_holes = rhs.sla_drain_holes;
|
|
this->layer_config_ranges = rhs.layer_config_ranges;
|
|
this->layer_height_profile = rhs.layer_height_profile;
|
|
this->printable = rhs.printable;
|
|
this->origin_translation = rhs.origin_translation;
|
|
m_bounding_box = rhs.m_bounding_box;
|
|
m_bounding_box_valid = rhs.m_bounding_box_valid;
|
|
m_raw_bounding_box = rhs.m_raw_bounding_box;
|
|
m_raw_bounding_box_valid = rhs.m_raw_bounding_box_valid;
|
|
m_raw_mesh_bounding_box = rhs.m_raw_mesh_bounding_box;
|
|
m_raw_mesh_bounding_box_valid = rhs.m_raw_mesh_bounding_box_valid;
|
|
|
|
this->clear_volumes();
|
|
this->volumes.reserve(rhs.volumes.size());
|
|
for (ModelVolume *model_volume : rhs.volumes) {
|
|
this->volumes.emplace_back(new ModelVolume(*model_volume));
|
|
this->volumes.back()->set_model_object(this);
|
|
}
|
|
this->clear_instances();
|
|
this->instances.reserve(rhs.instances.size());
|
|
for (const ModelInstance *model_instance : rhs.instances) {
|
|
this->instances.emplace_back(new ModelInstance(*model_instance));
|
|
this->instances.back()->set_model_object(this);
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
// maintains the m_model pointer
|
|
ModelObject& ModelObject::assign_copy(ModelObject &&rhs)
|
|
{
|
|
assert(this->id().invalid());
|
|
this->copy_id(rhs);
|
|
|
|
this->name = std::move(rhs.name);
|
|
this->input_file = std::move(rhs.input_file);
|
|
// Moves the config's ID
|
|
this->config = std::move(rhs.config);
|
|
assert(this->config.id() == rhs.config.id());
|
|
this->sla_support_points = std::move(rhs.sla_support_points);
|
|
this->sla_points_status = std::move(rhs.sla_points_status);
|
|
this->sla_drain_holes = std::move(rhs.sla_drain_holes);
|
|
this->layer_config_ranges = std::move(rhs.layer_config_ranges);
|
|
this->layer_height_profile = std::move(rhs.layer_height_profile);
|
|
this->printable = std::move(rhs.printable);
|
|
this->origin_translation = std::move(rhs.origin_translation);
|
|
m_bounding_box = std::move(rhs.m_bounding_box);
|
|
m_bounding_box_valid = std::move(rhs.m_bounding_box_valid);
|
|
m_raw_bounding_box = rhs.m_raw_bounding_box;
|
|
m_raw_bounding_box_valid = rhs.m_raw_bounding_box_valid;
|
|
m_raw_mesh_bounding_box = rhs.m_raw_mesh_bounding_box;
|
|
m_raw_mesh_bounding_box_valid = rhs.m_raw_mesh_bounding_box_valid;
|
|
|
|
this->clear_volumes();
|
|
this->volumes = std::move(rhs.volumes);
|
|
rhs.volumes.clear();
|
|
for (ModelVolume *model_volume : this->volumes)
|
|
model_volume->set_model_object(this);
|
|
this->clear_instances();
|
|
this->instances = std::move(rhs.instances);
|
|
rhs.instances.clear();
|
|
for (ModelInstance *model_instance : this->instances)
|
|
model_instance->set_model_object(this);
|
|
|
|
return *this;
|
|
}
|
|
|
|
void ModelObject::assign_new_unique_ids_recursive()
|
|
{
|
|
this->set_new_unique_id();
|
|
for (ModelVolume *model_volume : this->volumes)
|
|
model_volume->assign_new_unique_ids_recursive();
|
|
for (ModelInstance *model_instance : this->instances)
|
|
model_instance->assign_new_unique_ids_recursive();
|
|
this->layer_height_profile.set_new_unique_id();
|
|
}
|
|
|
|
// Clone this ModelObject including its volumes and instances, keep the IDs of the copies equal to the original.
|
|
// Called by Print::apply() to clone the Model / ModelObject hierarchy to the back end for background processing.
|
|
//ModelObject* ModelObject::clone(Model *parent)
|
|
//{
|
|
// return new ModelObject(parent, *this, true);
|
|
//}
|
|
|
|
ModelVolume* ModelObject::add_volume(const TriangleMesh &mesh)
|
|
{
|
|
ModelVolume* v = new ModelVolume(this, mesh);
|
|
this->volumes.push_back(v);
|
|
v->center_geometry_after_creation();
|
|
this->invalidate_bounding_box();
|
|
return v;
|
|
}
|
|
|
|
ModelVolume* ModelObject::add_volume(TriangleMesh &&mesh, ModelVolumeType type /*= ModelVolumeType::MODEL_PART*/)
|
|
{
|
|
ModelVolume* v = new ModelVolume(this, std::move(mesh), type);
|
|
this->volumes.push_back(v);
|
|
v->center_geometry_after_creation();
|
|
this->invalidate_bounding_box();
|
|
return v;
|
|
}
|
|
|
|
ModelVolume* ModelObject::add_volume(const ModelVolume &other, ModelVolumeType type /*= ModelVolumeType::INVALID*/)
|
|
{
|
|
ModelVolume* v = new ModelVolume(this, other);
|
|
if (type != ModelVolumeType::INVALID && v->type() != type)
|
|
v->set_type(type);
|
|
this->volumes.push_back(v);
|
|
// The volume should already be centered at this point of time when copying shared pointers of the triangle mesh and convex hull.
|
|
// v->center_geometry_after_creation();
|
|
// this->invalidate_bounding_box();
|
|
return v;
|
|
}
|
|
|
|
ModelVolume* ModelObject::add_volume(const ModelVolume &other, TriangleMesh &&mesh)
|
|
{
|
|
ModelVolume* v = new ModelVolume(this, other, std::move(mesh));
|
|
this->volumes.push_back(v);
|
|
v->center_geometry_after_creation();
|
|
this->invalidate_bounding_box();
|
|
return v;
|
|
}
|
|
|
|
void ModelObject::delete_volume(size_t idx)
|
|
{
|
|
ModelVolumePtrs::iterator i = this->volumes.begin() + idx;
|
|
delete *i;
|
|
this->volumes.erase(i);
|
|
|
|
if (this->volumes.size() == 1)
|
|
{
|
|
// only one volume left
|
|
// we need to collapse the volume transform into the instances transforms because now when selecting this volume
|
|
// it will be seen as a single full instance ans so its volume transform may be ignored
|
|
ModelVolume* v = this->volumes.front();
|
|
Transform3d v_t = v->get_transformation().get_matrix();
|
|
for (ModelInstance* inst : this->instances)
|
|
{
|
|
inst->set_transformation(Geometry::Transformation(inst->get_transformation().get_matrix() * v_t));
|
|
}
|
|
Geometry::Transformation t;
|
|
v->set_transformation(t);
|
|
v->set_new_unique_id();
|
|
}
|
|
|
|
this->invalidate_bounding_box();
|
|
}
|
|
|
|
void ModelObject::clear_volumes()
|
|
{
|
|
for (ModelVolume *v : this->volumes)
|
|
delete v;
|
|
this->volumes.clear();
|
|
this->invalidate_bounding_box();
|
|
}
|
|
|
|
bool ModelObject::is_fdm_support_painted() const
|
|
{
|
|
return std::any_of(this->volumes.cbegin(), this->volumes.cend(), [](const ModelVolume *mv) { return mv->is_fdm_support_painted(); });
|
|
}
|
|
|
|
bool ModelObject::is_seam_painted() const
|
|
{
|
|
return std::any_of(this->volumes.cbegin(), this->volumes.cend(), [](const ModelVolume *mv) { return mv->is_seam_painted(); });
|
|
}
|
|
|
|
bool ModelObject::is_mm_painted() const
|
|
{
|
|
return std::any_of(this->volumes.cbegin(), this->volumes.cend(), [](const ModelVolume *mv) { return mv->is_mm_painted(); });
|
|
}
|
|
|
|
void ModelObject::sort_volumes(bool full_sort)
|
|
{
|
|
// sort volumes inside the object to order "Model Part, Negative Volume, Modifier, Support Blocker and Support Enforcer. "
|
|
if (full_sort)
|
|
std::stable_sort(volumes.begin(), volumes.end(), [](ModelVolume* vl, ModelVolume* vr) {
|
|
return vl->type() < vr->type();
|
|
});
|
|
// sort have to controll "place" of the support blockers/enforcers. But one of the model parts have to be on the first place.
|
|
else
|
|
std::stable_sort(volumes.begin(), volumes.end(), [](ModelVolume* vl, ModelVolume* vr) {
|
|
ModelVolumeType vl_type = vl->type() > ModelVolumeType::PARAMETER_MODIFIER ? vl->type() : ModelVolumeType::PARAMETER_MODIFIER;
|
|
ModelVolumeType vr_type = vr->type() > ModelVolumeType::PARAMETER_MODIFIER ? vr->type() : ModelVolumeType::PARAMETER_MODIFIER;
|
|
return vl_type < vr_type;
|
|
});
|
|
}
|
|
|
|
ModelInstance* ModelObject::add_instance()
|
|
{
|
|
ModelInstance* i = new ModelInstance(this);
|
|
this->instances.push_back(i);
|
|
this->invalidate_bounding_box();
|
|
return i;
|
|
}
|
|
|
|
ModelInstance* ModelObject::add_instance(const ModelInstance &other)
|
|
{
|
|
ModelInstance* i = new ModelInstance(this, other);
|
|
this->instances.push_back(i);
|
|
this->invalidate_bounding_box();
|
|
return i;
|
|
}
|
|
|
|
ModelInstance* ModelObject::add_instance(const Vec3d &offset, const Vec3d &scaling_factor, const Vec3d &rotation, const Vec3d &mirror)
|
|
{
|
|
auto *instance = add_instance();
|
|
instance->set_offset(offset);
|
|
instance->set_scaling_factor(scaling_factor);
|
|
instance->set_rotation(rotation);
|
|
instance->set_mirror(mirror);
|
|
return instance;
|
|
}
|
|
|
|
void ModelObject::delete_instance(size_t idx)
|
|
{
|
|
ModelInstancePtrs::iterator i = this->instances.begin() + idx;
|
|
delete *i;
|
|
this->instances.erase(i);
|
|
this->invalidate_bounding_box();
|
|
}
|
|
|
|
void ModelObject::delete_last_instance()
|
|
{
|
|
this->delete_instance(this->instances.size() - 1);
|
|
}
|
|
|
|
void ModelObject::clear_instances()
|
|
{
|
|
for (ModelInstance *i : this->instances)
|
|
delete i;
|
|
this->instances.clear();
|
|
this->invalidate_bounding_box();
|
|
}
|
|
|
|
// Returns the bounding box of the transformed instances.
|
|
// This bounding box is approximate and not snug.
|
|
const BoundingBoxf3& ModelObject::bounding_box() const
|
|
{
|
|
if (! m_bounding_box_valid) {
|
|
m_bounding_box_valid = true;
|
|
BoundingBoxf3 raw_bbox = this->raw_mesh_bounding_box();
|
|
m_bounding_box.reset();
|
|
for (const ModelInstance *i : this->instances)
|
|
m_bounding_box.merge(i->transform_bounding_box(raw_bbox));
|
|
}
|
|
return m_bounding_box;
|
|
}
|
|
|
|
// A mesh containing all transformed instances of this object.
|
|
TriangleMesh ModelObject::mesh() const
|
|
{
|
|
TriangleMesh mesh;
|
|
TriangleMesh raw_mesh = this->raw_mesh();
|
|
for (const ModelInstance *i : this->instances) {
|
|
TriangleMesh m = raw_mesh;
|
|
i->transform_mesh(&m);
|
|
mesh.merge(m);
|
|
}
|
|
return mesh;
|
|
}
|
|
|
|
// Non-transformed (non-rotated, non-scaled, non-translated) sum of non-modifier object volumes.
|
|
// Currently used by ModelObject::mesh(), to calculate the 2D envelope for 2D plater
|
|
// and to display the object statistics at ModelObject::print_info().
|
|
TriangleMesh ModelObject::raw_mesh() const
|
|
{
|
|
TriangleMesh mesh;
|
|
for (const ModelVolume *v : this->volumes)
|
|
if (v->is_model_part())
|
|
{
|
|
TriangleMesh vol_mesh(v->mesh());
|
|
vol_mesh.transform(v->get_matrix());
|
|
mesh.merge(vol_mesh);
|
|
}
|
|
return mesh;
|
|
}
|
|
|
|
// Non-transformed (non-rotated, non-scaled, non-translated) sum of non-modifier object volumes.
|
|
// Currently used by ModelObject::mesh(), to calculate the 2D envelope for 2D plater
|
|
// and to display the object statistics at ModelObject::print_info().
|
|
indexed_triangle_set ModelObject::raw_indexed_triangle_set() const
|
|
{
|
|
size_t num_vertices = 0;
|
|
size_t num_faces = 0;
|
|
for (const ModelVolume *v : this->volumes)
|
|
if (v->is_model_part()) {
|
|
num_vertices += v->mesh().its.vertices.size();
|
|
num_faces += v->mesh().its.indices.size();
|
|
}
|
|
indexed_triangle_set out;
|
|
out.vertices.reserve(num_vertices);
|
|
out.indices.reserve(num_faces);
|
|
for (const ModelVolume *v : this->volumes)
|
|
if (v->is_model_part()) {
|
|
size_t i = out.vertices.size();
|
|
size_t j = out.indices.size();
|
|
append(out.vertices, v->mesh().its.vertices);
|
|
append(out.indices, v->mesh().its.indices);
|
|
auto m = v->get_matrix();
|
|
for (; i < out.vertices.size(); ++ i)
|
|
out.vertices[i] = (m * out.vertices[i].cast<double>()).cast<float>().eval();
|
|
if (v->is_left_handed()) {
|
|
for (; j < out.indices.size(); ++ j)
|
|
std::swap(out.indices[j][0], out.indices[j][1]);
|
|
}
|
|
}
|
|
return out;
|
|
}
|
|
|
|
|
|
const BoundingBoxf3& ModelObject::raw_mesh_bounding_box() const
|
|
{
|
|
if (! m_raw_mesh_bounding_box_valid) {
|
|
m_raw_mesh_bounding_box_valid = true;
|
|
m_raw_mesh_bounding_box.reset();
|
|
for (const ModelVolume *v : this->volumes)
|
|
if (v->is_model_part())
|
|
m_raw_mesh_bounding_box.merge(v->mesh().transformed_bounding_box(v->get_matrix()));
|
|
}
|
|
return m_raw_mesh_bounding_box;
|
|
}
|
|
|
|
BoundingBoxf3 ModelObject::full_raw_mesh_bounding_box() const
|
|
{
|
|
BoundingBoxf3 bb;
|
|
for (const ModelVolume *v : this->volumes)
|
|
bb.merge(v->mesh().transformed_bounding_box(v->get_matrix()));
|
|
return bb;
|
|
}
|
|
|
|
// A transformed snug bounding box around the non-modifier object volumes, without the translation applied.
|
|
// This bounding box is only used for the actual slicing and for layer editing UI to calculate the layers.
|
|
const BoundingBoxf3& ModelObject::raw_bounding_box() const
|
|
{
|
|
if (! m_raw_bounding_box_valid) {
|
|
m_raw_bounding_box_valid = true;
|
|
m_raw_bounding_box.reset();
|
|
if (this->instances.empty())
|
|
throw Slic3r::InvalidArgument("Can't call raw_bounding_box() with no instances");
|
|
|
|
const Transform3d& inst_matrix = this->instances.front()->get_transformation().get_matrix(true);
|
|
for (const ModelVolume *v : this->volumes)
|
|
if (v->is_model_part())
|
|
m_raw_bounding_box.merge(v->mesh().transformed_bounding_box(inst_matrix * v->get_matrix()));
|
|
}
|
|
return m_raw_bounding_box;
|
|
}
|
|
|
|
// This returns an accurate snug bounding box of the transformed object instance, without the translation applied.
|
|
BoundingBoxf3 ModelObject::instance_bounding_box(size_t instance_idx, bool dont_translate) const
|
|
{
|
|
BoundingBoxf3 bb;
|
|
const Transform3d& inst_matrix = this->instances[instance_idx]->get_transformation().get_matrix(dont_translate);
|
|
for (ModelVolume *v : this->volumes)
|
|
{
|
|
if (v->is_model_part())
|
|
bb.merge(v->mesh().transformed_bounding_box(inst_matrix * v->get_matrix()));
|
|
}
|
|
return bb;
|
|
}
|
|
|
|
// Calculate 2D convex hull of of a projection of the transformed printable volumes into the XY plane.
|
|
// This method is cheap in that it does not make any unnecessary copy of the volume meshes.
|
|
// This method is used by the auto arrange function.
|
|
Polygon ModelObject::convex_hull_2d(const Transform3d& trafo_instance) const
|
|
{
|
|
Points pts;
|
|
for (const ModelVolume* v : volumes) {
|
|
if (v->is_model_part())
|
|
append(pts, its_convex_hull_2d_above(v->mesh().its, (trafo_instance * v->get_matrix()).cast<float>(), 0.0f).points);
|
|
}
|
|
return Geometry::convex_hull(std::move(pts));
|
|
}
|
|
|
|
void ModelObject::center_around_origin(bool include_modifiers)
|
|
{
|
|
// calculate the displacements needed to
|
|
// center this object around the origin
|
|
const BoundingBoxf3 bb = include_modifiers ? full_raw_mesh_bounding_box() : raw_mesh_bounding_box();
|
|
|
|
// Shift is the vector from the center of the bounding box to the origin
|
|
const Vec3d shift = -bb.center();
|
|
|
|
this->translate(shift);
|
|
this->origin_translation += shift;
|
|
}
|
|
|
|
void ModelObject::ensure_on_bed(bool allow_negative_z)
|
|
{
|
|
double z_offset = 0.0;
|
|
|
|
if (allow_negative_z) {
|
|
if (parts_count() == 1) {
|
|
const double min_z = get_min_z();
|
|
const double max_z = get_max_z();
|
|
if (min_z >= SINKING_Z_THRESHOLD || max_z < 0.0)
|
|
z_offset = -min_z;
|
|
}
|
|
else {
|
|
const double max_z = get_max_z();
|
|
if (max_z < SINKING_MIN_Z_THRESHOLD)
|
|
z_offset = SINKING_MIN_Z_THRESHOLD - max_z;
|
|
}
|
|
}
|
|
else
|
|
z_offset = -get_min_z();
|
|
|
|
if (z_offset != 0.0)
|
|
translate_instances(z_offset * Vec3d::UnitZ());
|
|
}
|
|
|
|
void ModelObject::translate_instances(const Vec3d& vector)
|
|
{
|
|
for (size_t i = 0; i < instances.size(); ++i) {
|
|
translate_instance(i, vector);
|
|
}
|
|
}
|
|
|
|
void ModelObject::translate_instance(size_t instance_idx, const Vec3d& vector)
|
|
{
|
|
assert(instance_idx < instances.size());
|
|
ModelInstance* i = instances[instance_idx];
|
|
i->set_offset(i->get_offset() + vector);
|
|
invalidate_bounding_box();
|
|
}
|
|
|
|
void ModelObject::translate(double x, double y, double z)
|
|
{
|
|
for (ModelVolume *v : this->volumes) {
|
|
v->translate(x, y, z);
|
|
}
|
|
|
|
if (m_bounding_box_valid)
|
|
m_bounding_box.translate(x, y, z);
|
|
}
|
|
|
|
void ModelObject::scale(const Vec3d &versor)
|
|
{
|
|
for (ModelVolume *v : this->volumes) {
|
|
v->scale(versor);
|
|
}
|
|
this->invalidate_bounding_box();
|
|
}
|
|
|
|
void ModelObject::rotate(double angle, Axis axis)
|
|
{
|
|
for (ModelVolume *v : this->volumes) {
|
|
v->rotate(angle, axis);
|
|
}
|
|
center_around_origin();
|
|
this->invalidate_bounding_box();
|
|
}
|
|
|
|
void ModelObject::rotate(double angle, const Vec3d& axis)
|
|
{
|
|
for (ModelVolume *v : this->volumes) {
|
|
v->rotate(angle, axis);
|
|
}
|
|
center_around_origin();
|
|
this->invalidate_bounding_box();
|
|
}
|
|
|
|
void ModelObject::mirror(Axis axis)
|
|
{
|
|
for (ModelVolume *v : this->volumes) {
|
|
v->mirror(axis);
|
|
}
|
|
this->invalidate_bounding_box();
|
|
}
|
|
|
|
// This method could only be called before the meshes of this ModelVolumes are not shared!
|
|
void ModelObject::scale_mesh_after_creation(const float scale)
|
|
{
|
|
for (ModelVolume *v : this->volumes) {
|
|
v->scale_geometry_after_creation(scale);
|
|
v->set_offset(Vec3d(scale, scale, scale).cwiseProduct(v->get_offset()));
|
|
}
|
|
this->invalidate_bounding_box();
|
|
}
|
|
|
|
void ModelObject::convert_units(ModelObjectPtrs& new_objects, ConversionType conv_type, std::vector<int> volume_idxs)
|
|
{
|
|
BOOST_LOG_TRIVIAL(trace) << "ModelObject::convert_units - start";
|
|
|
|
ModelObject* new_object = new_clone(*this);
|
|
|
|
float koef = conv_type == ConversionType::CONV_FROM_INCH ? 25.4f : conv_type == ConversionType::CONV_TO_INCH ? 0.0393700787f :
|
|
conv_type == ConversionType::CONV_FROM_METER ? 1000.f : conv_type == ConversionType::CONV_TO_METER ? 0.001f : 1.f;
|
|
|
|
new_object->set_model(nullptr);
|
|
new_object->sla_support_points.clear();
|
|
new_object->sla_drain_holes.clear();
|
|
new_object->sla_points_status = sla::PointsStatus::NoPoints;
|
|
new_object->clear_volumes();
|
|
new_object->input_file.clear();
|
|
|
|
int vol_idx = 0;
|
|
for (ModelVolume* volume : volumes) {
|
|
if (!volume->mesh().empty()) {
|
|
TriangleMesh mesh(volume->mesh());
|
|
|
|
ModelVolume* vol = new_object->add_volume(mesh);
|
|
vol->name = volume->name;
|
|
vol->set_type(volume->type());
|
|
// Don't copy the config's ID.
|
|
vol->config.assign_config(volume->config);
|
|
assert(vol->config.id().valid());
|
|
assert(vol->config.id() != volume->config.id());
|
|
vol->set_material(volume->material_id(), *volume->material());
|
|
vol->source.input_file = volume->source.input_file;
|
|
vol->source.object_idx = (int)new_objects.size();
|
|
vol->source.volume_idx = vol_idx;
|
|
vol->source.is_converted_from_inches = volume->source.is_converted_from_inches;
|
|
vol->source.is_converted_from_meters = volume->source.is_converted_from_meters;
|
|
vol->source.is_from_builtin_objects = volume->source.is_from_builtin_objects;
|
|
|
|
vol->supported_facets.assign(volume->supported_facets);
|
|
vol->seam_facets.assign(volume->seam_facets);
|
|
vol->mmu_segmentation_facets.assign(volume->mmu_segmentation_facets);
|
|
|
|
// Perform conversion only if the target "imperial" state is different from the current one.
|
|
// This check supports conversion of "mixed" set of volumes, each with different "imperial" state.
|
|
if (//vol->source.is_converted_from_inches != from_imperial &&
|
|
(volume_idxs.empty() ||
|
|
std::find(volume_idxs.begin(), volume_idxs.end(), vol_idx) != volume_idxs.end())) {
|
|
vol->scale_geometry_after_creation(koef);
|
|
vol->set_offset(Vec3d(koef, koef, koef).cwiseProduct(volume->get_offset()));
|
|
if (conv_type == ConversionType::CONV_FROM_INCH || conv_type == ConversionType::CONV_TO_INCH)
|
|
vol->source.is_converted_from_inches = conv_type == ConversionType::CONV_FROM_INCH;
|
|
if (conv_type == ConversionType::CONV_FROM_METER || conv_type == ConversionType::CONV_TO_METER)
|
|
vol->source.is_converted_from_meters = conv_type == ConversionType::CONV_FROM_METER;
|
|
assert(! vol->source.is_converted_from_inches || ! vol->source.is_converted_from_meters);
|
|
}
|
|
else
|
|
vol->set_offset(volume->get_offset());
|
|
}
|
|
vol_idx ++;
|
|
}
|
|
new_object->invalidate_bounding_box();
|
|
|
|
new_objects.push_back(new_object);
|
|
|
|
BOOST_LOG_TRIVIAL(trace) << "ModelObject::convert_units - end";
|
|
}
|
|
|
|
size_t ModelObject::materials_count() const
|
|
{
|
|
std::set<t_model_material_id> material_ids;
|
|
for (const ModelVolume *v : this->volumes)
|
|
material_ids.insert(v->material_id());
|
|
return material_ids.size();
|
|
}
|
|
|
|
size_t ModelObject::facets_count() const
|
|
{
|
|
size_t num = 0;
|
|
for (const ModelVolume *v : this->volumes)
|
|
if (v->is_model_part())
|
|
num += v->mesh().facets_count();
|
|
return num;
|
|
}
|
|
|
|
size_t ModelObject::parts_count() const
|
|
{
|
|
size_t num = 0;
|
|
for (const ModelVolume* v : this->volumes)
|
|
if (v->is_model_part())
|
|
++num;
|
|
return num;
|
|
}
|
|
|
|
ModelObjectPtrs ModelObject::cut(size_t instance, coordf_t z, ModelObjectCutAttributes attributes)
|
|
{
|
|
if (! attributes.has(ModelObjectCutAttribute::KeepUpper) && ! attributes.has(ModelObjectCutAttribute::KeepLower))
|
|
return {};
|
|
|
|
BOOST_LOG_TRIVIAL(trace) << "ModelObject::cut - start";
|
|
|
|
// Clone the object to duplicate instances, materials etc.
|
|
ModelObject* upper = attributes.has(ModelObjectCutAttribute::KeepUpper) ? ModelObject::new_clone(*this) : nullptr;
|
|
ModelObject* lower = attributes.has(ModelObjectCutAttribute::KeepLower) ? ModelObject::new_clone(*this) : nullptr;
|
|
|
|
if (attributes.has(ModelObjectCutAttribute::KeepUpper)) {
|
|
upper->set_model(nullptr);
|
|
upper->sla_support_points.clear();
|
|
upper->sla_drain_holes.clear();
|
|
upper->sla_points_status = sla::PointsStatus::NoPoints;
|
|
upper->clear_volumes();
|
|
upper->input_file.clear();
|
|
}
|
|
|
|
if (attributes.has(ModelObjectCutAttribute::KeepLower)) {
|
|
lower->set_model(nullptr);
|
|
lower->sla_support_points.clear();
|
|
lower->sla_drain_holes.clear();
|
|
lower->sla_points_status = sla::PointsStatus::NoPoints;
|
|
lower->clear_volumes();
|
|
lower->input_file.clear();
|
|
}
|
|
|
|
// Because transformations are going to be applied to meshes directly,
|
|
// we reset transformation of all instances and volumes,
|
|
// except for translation and Z-rotation on instances, which are preserved
|
|
// in the transformation matrix and not applied to the mesh transform.
|
|
|
|
// const auto instance_matrix = instances[instance]->get_matrix(true);
|
|
const auto instance_matrix = Geometry::assemble_transform(
|
|
Vec3d::Zero(), // don't apply offset
|
|
instances[instance]->get_rotation().cwiseProduct(Vec3d(1.0, 1.0, 0.0)), // don't apply Z-rotation
|
|
instances[instance]->get_scaling_factor(),
|
|
instances[instance]->get_mirror()
|
|
);
|
|
|
|
z -= instances[instance]->get_offset().z();
|
|
|
|
// Displacement (in instance coordinates) to be applied to place the upper parts
|
|
Vec3d local_displace = Vec3d::Zero();
|
|
|
|
for (ModelVolume *volume : volumes) {
|
|
const auto volume_matrix = volume->get_matrix();
|
|
|
|
volume->supported_facets.reset();
|
|
volume->seam_facets.reset();
|
|
volume->mmu_segmentation_facets.reset();
|
|
|
|
if (! volume->is_model_part()) {
|
|
// Modifiers are not cut, but we still need to add the instance transformation
|
|
// to the modifier volume transformation to preserve their shape properly.
|
|
|
|
volume->set_transformation(Geometry::Transformation(instance_matrix * volume_matrix));
|
|
|
|
if (attributes.has(ModelObjectCutAttribute::KeepUpper))
|
|
upper->add_volume(*volume);
|
|
if (attributes.has(ModelObjectCutAttribute::KeepLower))
|
|
lower->add_volume(*volume);
|
|
}
|
|
else if (! volume->mesh().empty()) {
|
|
// Transform the mesh by the combined transformation matrix.
|
|
// Flip the triangles in case the composite transformation is left handed.
|
|
TriangleMesh mesh(volume->mesh());
|
|
mesh.transform(instance_matrix * volume_matrix, true);
|
|
volume->reset_mesh();
|
|
// Reset volume transformation except for offset
|
|
const Vec3d offset = volume->get_offset();
|
|
volume->set_transformation(Geometry::Transformation());
|
|
volume->set_offset(offset);
|
|
|
|
// Perform cut
|
|
TriangleMesh upper_mesh, lower_mesh;
|
|
{
|
|
indexed_triangle_set upper_its, lower_its;
|
|
cut_mesh(mesh.its, float(z), &upper_its, &lower_its);
|
|
if (attributes.has(ModelObjectCutAttribute::KeepUpper))
|
|
upper_mesh = TriangleMesh(upper_its);
|
|
if (attributes.has(ModelObjectCutAttribute::KeepLower))
|
|
lower_mesh = TriangleMesh(lower_its);
|
|
}
|
|
|
|
if (attributes.has(ModelObjectCutAttribute::KeepUpper) && ! upper_mesh.empty()) {
|
|
ModelVolume* vol = upper->add_volume(upper_mesh);
|
|
vol->name = volume->name;
|
|
// Don't copy the config's ID.
|
|
vol->config.assign_config(volume->config);
|
|
assert(vol->config.id().valid());
|
|
assert(vol->config.id() != volume->config.id());
|
|
vol->set_material(volume->material_id(), *volume->material());
|
|
}
|
|
if (attributes.has(ModelObjectCutAttribute::KeepLower) && ! lower_mesh.empty()) {
|
|
ModelVolume* vol = lower->add_volume(lower_mesh);
|
|
vol->name = volume->name;
|
|
// Don't copy the config's ID.
|
|
vol->config.assign_config(volume->config);
|
|
assert(vol->config.id().valid());
|
|
assert(vol->config.id() != volume->config.id());
|
|
vol->set_material(volume->material_id(), *volume->material());
|
|
|
|
// Compute the displacement (in instance coordinates) to be applied to place the upper parts
|
|
// The upper part displacement is set to half of the lower part bounding box
|
|
// this is done in hope at least a part of the upper part will always be visible and draggable
|
|
local_displace = lower->full_raw_mesh_bounding_box().size().cwiseProduct(Vec3d(-0.5, -0.5, 0.0));
|
|
}
|
|
}
|
|
}
|
|
|
|
ModelObjectPtrs res;
|
|
|
|
if (attributes.has(ModelObjectCutAttribute::KeepUpper) && upper->volumes.size() > 0) {
|
|
if (!upper->origin_translation.isApprox(Vec3d::Zero()) && instances[instance]->get_offset().isApprox(Vec3d::Zero())) {
|
|
upper->center_around_origin();
|
|
upper->translate_instances(-upper->origin_translation);
|
|
upper->origin_translation = Vec3d::Zero();
|
|
}
|
|
|
|
// Reset instance transformation except offset and Z-rotation
|
|
for (size_t i = 0; i < instances.size(); ++i) {
|
|
auto &instance = upper->instances[i];
|
|
const Vec3d offset = instance->get_offset();
|
|
const double rot_z = instance->get_rotation().z();
|
|
const Vec3d displace = Geometry::assemble_transform(Vec3d::Zero(), instance->get_rotation()) * local_displace;
|
|
|
|
instance->set_transformation(Geometry::Transformation());
|
|
instance->set_offset(offset + displace);
|
|
instance->set_rotation(Vec3d(0.0, 0.0, rot_z));
|
|
}
|
|
|
|
res.push_back(upper);
|
|
}
|
|
if (attributes.has(ModelObjectCutAttribute::KeepLower) && lower->volumes.size() > 0) {
|
|
if (!lower->origin_translation.isApprox(Vec3d::Zero()) && instances[instance]->get_offset().isApprox(Vec3d::Zero())) {
|
|
lower->center_around_origin();
|
|
lower->translate_instances(-lower->origin_translation);
|
|
lower->origin_translation = Vec3d::Zero();
|
|
}
|
|
|
|
// Reset instance transformation except offset and Z-rotation
|
|
for (auto *instance : lower->instances) {
|
|
const Vec3d offset = instance->get_offset();
|
|
const double rot_z = instance->get_rotation().z();
|
|
instance->set_transformation(Geometry::Transformation());
|
|
instance->set_offset(offset);
|
|
instance->set_rotation(Vec3d(attributes.has(ModelObjectCutAttribute::FlipLower) ? Geometry::deg2rad(180.0) : 0.0, 0.0, rot_z));
|
|
}
|
|
|
|
res.push_back(lower);
|
|
}
|
|
|
|
BOOST_LOG_TRIVIAL(trace) << "ModelObject::cut - end";
|
|
|
|
return res;
|
|
}
|
|
|
|
void ModelObject::split(ModelObjectPtrs* new_objects)
|
|
{
|
|
for (ModelVolume* volume : this->volumes) {
|
|
if (volume->type() != ModelVolumeType::MODEL_PART)
|
|
continue;
|
|
|
|
std::vector<TriangleMesh> meshes = volume->mesh().split();
|
|
size_t counter = 1;
|
|
for (TriangleMesh &mesh : meshes) {
|
|
// FIXME: crashes if not satisfied
|
|
if (mesh.facets_count() < 3)
|
|
continue;
|
|
|
|
// XXX: this seems to be the only real usage of m_model, maybe refactor this so that it's not needed?
|
|
ModelObject* new_object = m_model->add_object();
|
|
if (meshes.size() == 1) {
|
|
new_object->name = volume->name;
|
|
// Don't copy the config's ID.
|
|
new_object->config.assign_config(this->config.size() > 0 ? this->config : volume->config);
|
|
}
|
|
else {
|
|
new_object->name = this->name + (meshes.size() > 1 ? "_" + std::to_string(counter++) : "");
|
|
// Don't copy the config's ID.
|
|
new_object->config.assign_config(this->config);
|
|
}
|
|
assert(new_object->config.id().valid());
|
|
assert(new_object->config.id() != this->config.id());
|
|
new_object->instances.reserve(this->instances.size());
|
|
for (const ModelInstance* model_instance : this->instances)
|
|
new_object->add_instance(*model_instance);
|
|
ModelVolume* new_vol = new_object->add_volume(*volume, std::move(mesh));
|
|
|
|
for (ModelInstance* model_instance : new_object->instances)
|
|
{
|
|
Vec3d shift = model_instance->get_transformation().get_matrix(true) * new_vol->get_offset();
|
|
model_instance->set_offset(model_instance->get_offset() + shift);
|
|
}
|
|
|
|
new_vol->set_offset(Vec3d::Zero());
|
|
// reset the source to disable reload from disk
|
|
new_vol->source = ModelVolume::Source();
|
|
new_objects->emplace_back(new_object);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void ModelObject::merge()
|
|
{
|
|
if (this->volumes.size() == 1) {
|
|
// We can't merge meshes if there's just one volume
|
|
return;
|
|
}
|
|
|
|
TriangleMesh mesh;
|
|
|
|
for (ModelVolume* volume : volumes)
|
|
if (!volume->mesh().empty())
|
|
mesh.merge(volume->mesh());
|
|
|
|
this->clear_volumes();
|
|
ModelVolume* vol = this->add_volume(mesh);
|
|
|
|
if (!vol)
|
|
return;
|
|
}
|
|
|
|
// Support for non-uniform scaling of instances. If an instance is rotated by angles, which are not multiples of ninety degrees,
|
|
// then the scaling in world coordinate system is not representable by the Geometry::Transformation structure.
|
|
// This situation is solved by baking in the instance transformation into the mesh vertices.
|
|
// Rotation and mirroring is being baked in. In case the instance scaling was non-uniform, it is baked in as well.
|
|
void ModelObject::bake_xy_rotation_into_meshes(size_t instance_idx)
|
|
{
|
|
assert(instance_idx < this->instances.size());
|
|
|
|
const Geometry::Transformation reference_trafo = this->instances[instance_idx]->get_transformation();
|
|
if (Geometry::is_rotation_ninety_degrees(reference_trafo.get_rotation()))
|
|
// nothing to do, scaling in the world coordinate space is possible in the representation of Geometry::Transformation.
|
|
return;
|
|
|
|
bool left_handed = reference_trafo.is_left_handed();
|
|
bool has_mirrorring = ! reference_trafo.get_mirror().isApprox(Vec3d(1., 1., 1.));
|
|
bool uniform_scaling = std::abs(reference_trafo.get_scaling_factor().x() - reference_trafo.get_scaling_factor().y()) < EPSILON &&
|
|
std::abs(reference_trafo.get_scaling_factor().x() - reference_trafo.get_scaling_factor().z()) < EPSILON;
|
|
double new_scaling_factor = uniform_scaling ? reference_trafo.get_scaling_factor().x() : 1.;
|
|
|
|
// Adjust the instances.
|
|
for (size_t i = 0; i < this->instances.size(); ++ i) {
|
|
ModelInstance &model_instance = *this->instances[i];
|
|
model_instance.set_rotation(Vec3d(0., 0., Geometry::rotation_diff_z(reference_trafo.get_rotation(), model_instance.get_rotation())));
|
|
model_instance.set_scaling_factor(Vec3d(new_scaling_factor, new_scaling_factor, new_scaling_factor));
|
|
model_instance.set_mirror(Vec3d(1., 1., 1.));
|
|
}
|
|
|
|
// Adjust the meshes.
|
|
// Transformation to be applied to the meshes.
|
|
Eigen::Matrix3d mesh_trafo_3x3 = reference_trafo.get_matrix(true, false, uniform_scaling, ! has_mirrorring).matrix().block<3, 3>(0, 0);
|
|
Transform3d volume_offset_correction = this->instances[instance_idx]->get_transformation().get_matrix().inverse() * reference_trafo.get_matrix();
|
|
for (ModelVolume *model_volume : this->volumes) {
|
|
const Geometry::Transformation volume_trafo = model_volume->get_transformation();
|
|
bool volume_left_handed = volume_trafo.is_left_handed();
|
|
bool volume_has_mirrorring = ! volume_trafo.get_mirror().isApprox(Vec3d(1., 1., 1.));
|
|
bool volume_uniform_scaling = std::abs(volume_trafo.get_scaling_factor().x() - volume_trafo.get_scaling_factor().y()) < EPSILON &&
|
|
std::abs(volume_trafo.get_scaling_factor().x() - volume_trafo.get_scaling_factor().z()) < EPSILON;
|
|
double volume_new_scaling_factor = volume_uniform_scaling ? volume_trafo.get_scaling_factor().x() : 1.;
|
|
// Transform the mesh.
|
|
Matrix3d volume_trafo_3x3 = volume_trafo.get_matrix(true, false, volume_uniform_scaling, !volume_has_mirrorring).matrix().block<3, 3>(0, 0);
|
|
// Following method creates a new shared_ptr<TriangleMesh>
|
|
model_volume->transform_this_mesh(mesh_trafo_3x3 * volume_trafo_3x3, left_handed != volume_left_handed);
|
|
// Reset the rotation, scaling and mirroring.
|
|
model_volume->set_rotation(Vec3d(0., 0., 0.));
|
|
model_volume->set_scaling_factor(Vec3d(volume_new_scaling_factor, volume_new_scaling_factor, volume_new_scaling_factor));
|
|
model_volume->set_mirror(Vec3d(1., 1., 1.));
|
|
// Move the reference point of the volume to compensate for the change of the instance trafo.
|
|
model_volume->set_offset(volume_offset_correction * volume_trafo.get_offset());
|
|
// reset the source to disable reload from disk
|
|
model_volume->source = ModelVolume::Source();
|
|
}
|
|
|
|
this->invalidate_bounding_box();
|
|
}
|
|
|
|
double ModelObject::get_min_z() const
|
|
{
|
|
if (instances.empty())
|
|
return 0.0;
|
|
else {
|
|
double min_z = DBL_MAX;
|
|
for (size_t i = 0; i < instances.size(); ++i) {
|
|
min_z = std::min(min_z, get_instance_min_z(i));
|
|
}
|
|
return min_z;
|
|
}
|
|
}
|
|
|
|
double ModelObject::get_max_z() const
|
|
{
|
|
if (instances.empty())
|
|
return 0.0;
|
|
else {
|
|
double max_z = -DBL_MAX;
|
|
for (size_t i = 0; i < instances.size(); ++i) {
|
|
max_z = std::max(max_z, get_instance_max_z(i));
|
|
}
|
|
return max_z;
|
|
}
|
|
}
|
|
|
|
double ModelObject::get_instance_min_z(size_t instance_idx) const
|
|
{
|
|
double min_z = DBL_MAX;
|
|
|
|
const ModelInstance* inst = instances[instance_idx];
|
|
const Transform3d& mi = inst->get_matrix(true);
|
|
|
|
for (const ModelVolume* v : volumes) {
|
|
if (!v->is_model_part())
|
|
continue;
|
|
|
|
const Transform3d mv = mi * v->get_matrix();
|
|
const TriangleMesh& hull = v->get_convex_hull();
|
|
for (const stl_triangle_vertex_indices& facet : hull.its.indices)
|
|
for (int i = 0; i < 3; ++ i)
|
|
min_z = std::min(min_z, (mv * hull.its.vertices[facet[i]].cast<double>()).z());
|
|
}
|
|
|
|
return min_z + inst->get_offset(Z);
|
|
}
|
|
|
|
double ModelObject::get_instance_max_z(size_t instance_idx) const
|
|
{
|
|
double max_z = -DBL_MAX;
|
|
|
|
const ModelInstance* inst = instances[instance_idx];
|
|
const Transform3d& mi = inst->get_matrix(true);
|
|
|
|
for (const ModelVolume* v : volumes) {
|
|
if (!v->is_model_part())
|
|
continue;
|
|
|
|
const Transform3d mv = mi * v->get_matrix();
|
|
const TriangleMesh& hull = v->get_convex_hull();
|
|
for (const stl_triangle_vertex_indices& facet : hull.its.indices)
|
|
for (int i = 0; i < 3; ++i)
|
|
max_z = std::max(max_z, (mv * hull.its.vertices[facet[i]].cast<double>()).z());
|
|
}
|
|
|
|
return max_z + inst->get_offset(Z);
|
|
}
|
|
|
|
unsigned int ModelObject::update_instances_print_volume_state(const BuildVolume &build_volume)
|
|
{
|
|
unsigned int num_printable = 0;
|
|
enum {
|
|
INSIDE = 1,
|
|
OUTSIDE = 2
|
|
};
|
|
for (ModelInstance* model_instance : this->instances) {
|
|
unsigned int inside_outside = 0;
|
|
for (const ModelVolume* vol : this->volumes)
|
|
if (vol->is_model_part()) {
|
|
const Transform3d matrix = model_instance->get_matrix() * vol->get_matrix();
|
|
BuildVolume::ObjectState state = build_volume.object_state(vol->mesh().its, matrix.cast<float>(), true /* may be below print bed */);
|
|
if (state == BuildVolume::ObjectState::Inside)
|
|
// Volume is completely inside.
|
|
inside_outside |= INSIDE;
|
|
else if (state == BuildVolume::ObjectState::Outside)
|
|
// Volume is completely outside.
|
|
inside_outside |= OUTSIDE;
|
|
else if (state == BuildVolume::ObjectState::Below) {
|
|
// Volume below the print bed, thus it is completely outside, however this does not prevent the object to be printable
|
|
// if some of its volumes are still inside the build volume.
|
|
} else
|
|
// Volume colliding with the build volume.
|
|
inside_outside |= INSIDE | OUTSIDE;
|
|
}
|
|
model_instance->print_volume_state =
|
|
inside_outside == (INSIDE | OUTSIDE) ? ModelInstancePVS_Partly_Outside :
|
|
inside_outside == INSIDE ? ModelInstancePVS_Inside : ModelInstancePVS_Fully_Outside;
|
|
if (inside_outside == INSIDE)
|
|
++num_printable;
|
|
}
|
|
return num_printable;
|
|
}
|
|
|
|
void ModelObject::print_info() const
|
|
{
|
|
using namespace std;
|
|
cout << fixed;
|
|
boost::nowide::cout << "[" << boost::filesystem::path(this->input_file).filename().string() << "]" << endl;
|
|
|
|
TriangleMesh mesh = this->raw_mesh();
|
|
BoundingBoxf3 bb = mesh.bounding_box();
|
|
Vec3d size = bb.size();
|
|
cout << "size_x = " << size(0) << endl;
|
|
cout << "size_y = " << size(1) << endl;
|
|
cout << "size_z = " << size(2) << endl;
|
|
cout << "min_x = " << bb.min(0) << endl;
|
|
cout << "min_y = " << bb.min(1) << endl;
|
|
cout << "min_z = " << bb.min(2) << endl;
|
|
cout << "max_x = " << bb.max(0) << endl;
|
|
cout << "max_y = " << bb.max(1) << endl;
|
|
cout << "max_z = " << bb.max(2) << endl;
|
|
cout << "number_of_facets = " << mesh.facets_count() << endl;
|
|
|
|
cout << "manifold = " << (mesh.stats().manifold() ? "yes" : "no") << endl;
|
|
if (! mesh.stats().manifold())
|
|
cout << "open_edges = " << mesh.stats().open_edges << endl;
|
|
|
|
if (mesh.stats().repaired()) {
|
|
const RepairedMeshErrors& stats = mesh.stats().repaired_errors;
|
|
if (stats.degenerate_facets > 0)
|
|
cout << "degenerate_facets = " << stats.degenerate_facets << endl;
|
|
if (stats.edges_fixed > 0)
|
|
cout << "edges_fixed = " << stats.edges_fixed << endl;
|
|
if (stats.facets_removed > 0)
|
|
cout << "facets_removed = " << stats.facets_removed << endl;
|
|
if (stats.facets_reversed > 0)
|
|
cout << "facets_reversed = " << stats.facets_reversed << endl;
|
|
if (stats.backwards_edges > 0)
|
|
cout << "backwards_edges = " << stats.backwards_edges << endl;
|
|
}
|
|
cout << "number_of_parts = " << mesh.stats().number_of_parts << endl;
|
|
cout << "volume = " << mesh.volume() << endl;
|
|
}
|
|
|
|
std::string ModelObject::get_export_filename() const
|
|
{
|
|
std::string ret = input_file;
|
|
|
|
if (!name.empty())
|
|
{
|
|
if (ret.empty())
|
|
// input_file was empty, just use name
|
|
ret = name;
|
|
else
|
|
{
|
|
// Replace file name in input_file with name, but keep the path and file extension.
|
|
ret = (boost::filesystem::path(name).parent_path().empty()) ?
|
|
(boost::filesystem::path(ret).parent_path() / name).make_preferred().string() : name;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
TriangleMeshStats ModelObject::get_object_stl_stats() const
|
|
{
|
|
TriangleMeshStats full_stats;
|
|
full_stats.volume = 0.f;
|
|
|
|
// fill full_stats from all objet's meshes
|
|
for (ModelVolume* volume : this->volumes)
|
|
{
|
|
const TriangleMeshStats& stats = volume->mesh().stats();
|
|
|
|
// initialize full_stats (for repaired errors)
|
|
full_stats.open_edges += stats.open_edges;
|
|
full_stats.repaired_errors.merge(stats.repaired_errors);
|
|
|
|
// another used satistics value
|
|
if (volume->is_model_part()) {
|
|
Transform3d trans = instances.empty() ? volume->get_matrix() : (volume->get_matrix() * instances[0]->get_matrix());
|
|
full_stats.volume += stats.volume * std::fabs(trans.matrix().block(0, 0, 3, 3).determinant());
|
|
full_stats.number_of_parts += stats.number_of_parts;
|
|
}
|
|
}
|
|
|
|
return full_stats;
|
|
}
|
|
|
|
int ModelObject::get_repaired_errors_count(const int vol_idx /*= -1*/) const
|
|
{
|
|
if (vol_idx >= 0)
|
|
return this->volumes[vol_idx]->get_repaired_errors_count();
|
|
|
|
const RepairedMeshErrors& stats = get_object_stl_stats().repaired_errors;
|
|
|
|
return stats.degenerate_facets + stats.edges_fixed + stats.facets_removed +
|
|
stats.facets_reversed + stats.backwards_edges;
|
|
}
|
|
|
|
void ModelVolume::set_material_id(t_model_material_id material_id)
|
|
{
|
|
m_material_id = material_id;
|
|
// ensure m_material_id references an existing material
|
|
if (! material_id.empty())
|
|
this->object->get_model()->add_material(material_id);
|
|
}
|
|
|
|
ModelMaterial* ModelVolume::material() const
|
|
{
|
|
return this->object->get_model()->get_material(m_material_id);
|
|
}
|
|
|
|
void ModelVolume::set_material(t_model_material_id material_id, const ModelMaterial &material)
|
|
{
|
|
m_material_id = material_id;
|
|
if (! material_id.empty())
|
|
this->object->get_model()->add_material(material_id, material);
|
|
}
|
|
|
|
// Extract the current extruder ID based on this ModelVolume's config and the parent ModelObject's config.
|
|
int ModelVolume::extruder_id() const
|
|
{
|
|
int extruder_id = -1;
|
|
if (this->is_model_part()) {
|
|
const ConfigOption *opt = this->config.option("extruder");
|
|
if ((opt == nullptr) || (opt->getInt() == 0))
|
|
opt = this->object->config.option("extruder");
|
|
extruder_id = (opt == nullptr) ? 0 : opt->getInt();
|
|
}
|
|
return extruder_id;
|
|
}
|
|
|
|
bool ModelVolume::is_splittable() const
|
|
{
|
|
// the call mesh.is_splittable() is expensive, so cache the value to calculate it only once
|
|
if (m_is_splittable == -1)
|
|
m_is_splittable = its_is_splittable(this->mesh().its);
|
|
|
|
return m_is_splittable == 1;
|
|
}
|
|
|
|
void ModelVolume::center_geometry_after_creation(bool update_source_offset)
|
|
{
|
|
Vec3d shift = this->mesh().bounding_box().center();
|
|
if (!shift.isApprox(Vec3d::Zero()))
|
|
{
|
|
if (m_mesh)
|
|
const_cast<TriangleMesh*>(m_mesh.get())->translate(-(float)shift(0), -(float)shift(1), -(float)shift(2));
|
|
if (m_convex_hull)
|
|
const_cast<TriangleMesh*>(m_convex_hull.get())->translate(-(float)shift(0), -(float)shift(1), -(float)shift(2));
|
|
translate(shift);
|
|
}
|
|
|
|
if (update_source_offset)
|
|
source.mesh_offset = shift;
|
|
}
|
|
|
|
void ModelVolume::calculate_convex_hull()
|
|
{
|
|
m_convex_hull = std::make_shared<TriangleMesh>(this->mesh().convex_hull_3d());
|
|
assert(m_convex_hull.get());
|
|
}
|
|
|
|
int ModelVolume::get_repaired_errors_count() const
|
|
{
|
|
const RepairedMeshErrors &stats = this->mesh().stats().repaired_errors;
|
|
|
|
return stats.degenerate_facets + stats.edges_fixed + stats.facets_removed +
|
|
stats.facets_reversed + stats.backwards_edges;
|
|
}
|
|
|
|
const TriangleMesh& ModelVolume::get_convex_hull() const
|
|
{
|
|
return *m_convex_hull.get();
|
|
}
|
|
|
|
ModelVolumeType ModelVolume::type_from_string(const std::string &s)
|
|
{
|
|
// Legacy support
|
|
if (s == "1")
|
|
return ModelVolumeType::PARAMETER_MODIFIER;
|
|
// New type (supporting the support enforcers & blockers)
|
|
if (s == "ModelPart")
|
|
return ModelVolumeType::MODEL_PART;
|
|
if (s == "NegativeVolume")
|
|
return ModelVolumeType::NEGATIVE_VOLUME;
|
|
if (s == "ParameterModifier")
|
|
return ModelVolumeType::PARAMETER_MODIFIER;
|
|
if (s == "SupportEnforcer")
|
|
return ModelVolumeType::SUPPORT_ENFORCER;
|
|
if (s == "SupportBlocker")
|
|
return ModelVolumeType::SUPPORT_BLOCKER;
|
|
assert(s == "0");
|
|
// Default value if invalud type string received.
|
|
return ModelVolumeType::MODEL_PART;
|
|
}
|
|
|
|
std::string ModelVolume::type_to_string(const ModelVolumeType t)
|
|
{
|
|
switch (t) {
|
|
case ModelVolumeType::MODEL_PART: return "ModelPart";
|
|
case ModelVolumeType::NEGATIVE_VOLUME: return "NegativeVolume";
|
|
case ModelVolumeType::PARAMETER_MODIFIER: return "ParameterModifier";
|
|
case ModelVolumeType::SUPPORT_ENFORCER: return "SupportEnforcer";
|
|
case ModelVolumeType::SUPPORT_BLOCKER: return "SupportBlocker";
|
|
default:
|
|
assert(false);
|
|
return "ModelPart";
|
|
}
|
|
}
|
|
|
|
// Split this volume, append the result to the object owning this volume.
|
|
// Return the number of volumes created from this one.
|
|
// This is useful to assign different materials to different volumes of an object.
|
|
size_t ModelVolume::split(unsigned int max_extruders)
|
|
{
|
|
std::vector<TriangleMesh> meshes = this->mesh().split();
|
|
if (meshes.size() <= 1)
|
|
return 1;
|
|
|
|
size_t idx = 0;
|
|
size_t ivolume = std::find(this->object->volumes.begin(), this->object->volumes.end(), this) - this->object->volumes.begin();
|
|
const std::string name = this->name;
|
|
|
|
unsigned int extruder_counter = 0;
|
|
const Vec3d offset = this->get_offset();
|
|
|
|
for (TriangleMesh &mesh : meshes) {
|
|
if (mesh.empty())
|
|
// Repair may have removed unconnected triangles, thus emptying the mesh.
|
|
continue;
|
|
|
|
if (idx == 0) {
|
|
this->set_mesh(std::move(mesh));
|
|
this->calculate_convex_hull();
|
|
// Assign a new unique ID, so that a new GLVolume will be generated.
|
|
this->set_new_unique_id();
|
|
// reset the source to disable reload from disk
|
|
this->source = ModelVolume::Source();
|
|
}
|
|
else
|
|
this->object->volumes.insert(this->object->volumes.begin() + (++ivolume), new ModelVolume(object, *this, std::move(mesh)));
|
|
|
|
this->object->volumes[ivolume]->set_offset(Vec3d::Zero());
|
|
this->object->volumes[ivolume]->center_geometry_after_creation();
|
|
this->object->volumes[ivolume]->translate(offset);
|
|
this->object->volumes[ivolume]->name = name + "_" + std::to_string(idx + 1);
|
|
this->object->volumes[ivolume]->config.set("extruder", auto_extruder_id(max_extruders, extruder_counter));
|
|
this->object->volumes[ivolume]->m_is_splittable = 0;
|
|
++ idx;
|
|
}
|
|
|
|
// discard volumes for which the convex hull was not generated or is degenerate
|
|
size_t i = 0;
|
|
while (i < this->object->volumes.size()) {
|
|
const std::shared_ptr<const TriangleMesh> &hull = this->object->volumes[i]->get_convex_hull_shared_ptr();
|
|
if (hull == nullptr || hull->its.vertices.empty() || hull->its.indices.empty()) {
|
|
this->object->delete_volume(i);
|
|
--idx;
|
|
--i;
|
|
}
|
|
++i;
|
|
}
|
|
|
|
return idx;
|
|
}
|
|
|
|
void ModelVolume::translate(const Vec3d& displacement)
|
|
{
|
|
set_offset(get_offset() + displacement);
|
|
}
|
|
|
|
void ModelVolume::scale(const Vec3d& scaling_factors)
|
|
{
|
|
set_scaling_factor(get_scaling_factor().cwiseProduct(scaling_factors));
|
|
}
|
|
|
|
void ModelObject::scale_to_fit(const Vec3d &size)
|
|
{
|
|
Vec3d orig_size = this->bounding_box().size();
|
|
double factor = std::min(
|
|
size.x() / orig_size.x(),
|
|
std::min(
|
|
size.y() / orig_size.y(),
|
|
size.z() / orig_size.z()
|
|
)
|
|
);
|
|
this->scale(factor);
|
|
}
|
|
|
|
void ModelVolume::assign_new_unique_ids_recursive()
|
|
{
|
|
ObjectBase::set_new_unique_id();
|
|
config.set_new_unique_id();
|
|
supported_facets.set_new_unique_id();
|
|
seam_facets.set_new_unique_id();
|
|
mmu_segmentation_facets.set_new_unique_id();
|
|
}
|
|
|
|
void ModelVolume::rotate(double angle, Axis axis)
|
|
{
|
|
switch (axis)
|
|
{
|
|
case X: { rotate(angle, Vec3d::UnitX()); break; }
|
|
case Y: { rotate(angle, Vec3d::UnitY()); break; }
|
|
case Z: { rotate(angle, Vec3d::UnitZ()); break; }
|
|
default: break;
|
|
}
|
|
}
|
|
|
|
void ModelVolume::rotate(double angle, const Vec3d& axis)
|
|
{
|
|
set_rotation(get_rotation() + Geometry::extract_euler_angles(Eigen::Quaterniond(Eigen::AngleAxisd(angle, axis)).toRotationMatrix()));
|
|
}
|
|
|
|
void ModelVolume::mirror(Axis axis)
|
|
{
|
|
Vec3d mirror = get_mirror();
|
|
switch (axis)
|
|
{
|
|
case X: { mirror(0) *= -1.0; break; }
|
|
case Y: { mirror(1) *= -1.0; break; }
|
|
case Z: { mirror(2) *= -1.0; break; }
|
|
default: break;
|
|
}
|
|
set_mirror(mirror);
|
|
}
|
|
|
|
// This method could only be called before the meshes of this ModelVolumes are not shared!
|
|
void ModelVolume::scale_geometry_after_creation(const Vec3f& versor)
|
|
{
|
|
const_cast<TriangleMesh*>(m_mesh.get())->scale(versor);
|
|
const_cast<TriangleMesh*>(m_convex_hull.get())->scale(versor);
|
|
}
|
|
|
|
void ModelVolume::transform_this_mesh(const Transform3d &mesh_trafo, bool fix_left_handed)
|
|
{
|
|
TriangleMesh mesh = this->mesh();
|
|
mesh.transform(mesh_trafo, fix_left_handed);
|
|
this->set_mesh(std::move(mesh));
|
|
TriangleMesh convex_hull = this->get_convex_hull();
|
|
convex_hull.transform(mesh_trafo, fix_left_handed);
|
|
m_convex_hull = std::make_shared<TriangleMesh>(std::move(convex_hull));
|
|
// Let the rest of the application know that the geometry changed, so the meshes have to be reloaded.
|
|
this->set_new_unique_id();
|
|
}
|
|
|
|
void ModelVolume::transform_this_mesh(const Matrix3d &matrix, bool fix_left_handed)
|
|
{
|
|
TriangleMesh mesh = this->mesh();
|
|
mesh.transform(matrix, fix_left_handed);
|
|
this->set_mesh(std::move(mesh));
|
|
TriangleMesh convex_hull = this->get_convex_hull();
|
|
convex_hull.transform(matrix, fix_left_handed);
|
|
m_convex_hull = std::make_shared<TriangleMesh>(std::move(convex_hull));
|
|
// Let the rest of the application know that the geometry changed, so the meshes have to be reloaded.
|
|
this->set_new_unique_id();
|
|
}
|
|
|
|
void ModelVolume::convert_from_imperial_units()
|
|
{
|
|
assert(! this->source.is_converted_from_meters);
|
|
this->scale_geometry_after_creation(25.4f);
|
|
this->set_offset(Vec3d(0, 0, 0));
|
|
this->source.is_converted_from_inches = true;
|
|
}
|
|
|
|
void ModelVolume::convert_from_meters()
|
|
{
|
|
assert(! this->source.is_converted_from_inches);
|
|
this->scale_geometry_after_creation(1000.f);
|
|
this->set_offset(Vec3d(0, 0, 0));
|
|
this->source.is_converted_from_meters = true;
|
|
}
|
|
|
|
void ModelInstance::transform_mesh(TriangleMesh* mesh, bool dont_translate) const
|
|
{
|
|
mesh->transform(get_matrix(dont_translate));
|
|
}
|
|
|
|
BoundingBoxf3 ModelInstance::transform_mesh_bounding_box(const TriangleMesh& mesh, bool dont_translate) const
|
|
{
|
|
// Rotate around mesh origin.
|
|
TriangleMesh copy(mesh);
|
|
copy.transform(get_matrix(true, false, true, true));
|
|
BoundingBoxf3 bbox = copy.bounding_box();
|
|
|
|
if (!empty(bbox)) {
|
|
// Scale the bounding box along the three axes.
|
|
for (unsigned int i = 0; i < 3; ++i)
|
|
{
|
|
if (std::abs(get_scaling_factor((Axis)i)-1.0) > EPSILON)
|
|
{
|
|
bbox.min(i) *= get_scaling_factor((Axis)i);
|
|
bbox.max(i) *= get_scaling_factor((Axis)i);
|
|
}
|
|
}
|
|
|
|
// Translate the bounding box.
|
|
if (! dont_translate) {
|
|
bbox.min += get_offset();
|
|
bbox.max += get_offset();
|
|
}
|
|
}
|
|
return bbox;
|
|
}
|
|
|
|
BoundingBoxf3 ModelInstance::transform_bounding_box(const BoundingBoxf3 &bbox, bool dont_translate) const
|
|
{
|
|
return bbox.transformed(get_matrix(dont_translate));
|
|
}
|
|
|
|
Vec3d ModelInstance::transform_vector(const Vec3d& v, bool dont_translate) const
|
|
{
|
|
return get_matrix(dont_translate) * v;
|
|
}
|
|
|
|
void ModelInstance::transform_polygon(Polygon* polygon) const
|
|
{
|
|
// CHECK_ME -> Is the following correct or it should take in account all three rotations ?
|
|
polygon->rotate(get_rotation(Z)); // rotate around polygon origin
|
|
// CHECK_ME -> Is the following correct ?
|
|
polygon->scale(get_scaling_factor(X), get_scaling_factor(Y)); // scale around polygon origin
|
|
}
|
|
|
|
arrangement::ArrangePolygon ModelInstance::get_arrange_polygon() const
|
|
{
|
|
// static const double SIMPLIFY_TOLERANCE_MM = 0.1;
|
|
|
|
Vec3d rotation = get_rotation();
|
|
rotation.z() = 0.;
|
|
Transform3d trafo_instance =
|
|
Geometry::assemble_transform(get_offset().z() * Vec3d::UnitZ(), rotation, get_scaling_factor(), get_mirror());
|
|
|
|
Polygon p = get_object()->convex_hull_2d(trafo_instance);
|
|
|
|
// if (!p.points.empty()) {
|
|
// Polygons pp{p};
|
|
// pp = p.simplify(scaled<double>(SIMPLIFY_TOLERANCE_MM));
|
|
// if (!pp.empty()) p = pp.front();
|
|
// }
|
|
|
|
arrangement::ArrangePolygon ret;
|
|
ret.poly.contour = std::move(p);
|
|
ret.translation = Vec2crd{scaled(get_offset(X)), scaled(get_offset(Y))};
|
|
ret.rotation = get_rotation(Z);
|
|
|
|
return ret;
|
|
}
|
|
|
|
indexed_triangle_set FacetsAnnotation::get_facets(const ModelVolume& mv, EnforcerBlockerType type) const
|
|
{
|
|
TriangleSelector selector(mv.mesh());
|
|
// Reset of TriangleSelector is done inside TriangleSelector's constructor, so we don't need it to perform it again in deserialize().
|
|
selector.deserialize(m_data, false);
|
|
return selector.get_facets(type);
|
|
}
|
|
|
|
indexed_triangle_set FacetsAnnotation::get_facets_strict(const ModelVolume& mv, EnforcerBlockerType type) const
|
|
{
|
|
TriangleSelector selector(mv.mesh());
|
|
// Reset of TriangleSelector is done inside TriangleSelector's constructor, so we don't need it to perform it again in deserialize().
|
|
selector.deserialize(m_data, false);
|
|
return selector.get_facets_strict(type);
|
|
}
|
|
|
|
bool FacetsAnnotation::has_facets(const ModelVolume& mv, EnforcerBlockerType type) const
|
|
{
|
|
return TriangleSelector::has_facets(m_data, type);
|
|
}
|
|
|
|
bool FacetsAnnotation::set(const TriangleSelector& selector)
|
|
{
|
|
std::pair<std::vector<std::pair<int, int>>, std::vector<bool>> sel_map = selector.serialize();
|
|
if (sel_map != m_data) {
|
|
m_data = std::move(sel_map);
|
|
this->touch();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void FacetsAnnotation::reset()
|
|
{
|
|
m_data.first.clear();
|
|
m_data.second.clear();
|
|
this->touch();
|
|
}
|
|
|
|
// Following function takes data from a triangle and encodes it as string
|
|
// of hexadecimal numbers (one digit per triangle). Used for 3MF export,
|
|
// changing it may break backwards compatibility !!!!!
|
|
std::string FacetsAnnotation::get_triangle_as_string(int triangle_idx) const
|
|
{
|
|
std::string out;
|
|
|
|
auto triangle_it = std::lower_bound(m_data.first.begin(), m_data.first.end(), triangle_idx, [](const std::pair<int, int> &l, const int r) { return l.first < r; });
|
|
if (triangle_it != m_data.first.end() && triangle_it->first == triangle_idx) {
|
|
int offset = triangle_it->second;
|
|
int end = ++ triangle_it == m_data.first.end() ? int(m_data.second.size()) : triangle_it->second;
|
|
while (offset < end) {
|
|
int next_code = 0;
|
|
for (int i=3; i>=0; --i) {
|
|
next_code = next_code << 1;
|
|
next_code |= int(m_data.second[offset + i]);
|
|
}
|
|
offset += 4;
|
|
|
|
assert(next_code >=0 && next_code <= 15);
|
|
char digit = next_code < 10 ? next_code + '0' : (next_code-10)+'A';
|
|
out.insert(out.begin(), digit);
|
|
}
|
|
}
|
|
return out;
|
|
}
|
|
|
|
// Recover triangle splitting & state from string of hexadecimal values previously
|
|
// generated by get_triangle_as_string. Used to load from 3MF.
|
|
void FacetsAnnotation::set_triangle_from_string(int triangle_id, const std::string& str)
|
|
{
|
|
assert(! str.empty());
|
|
assert(m_data.first.empty() || m_data.first.back().first < triangle_id);
|
|
m_data.first.emplace_back(triangle_id, int(m_data.second.size()));
|
|
|
|
for (auto it = str.crbegin(); it != str.crend(); ++it) {
|
|
const char ch = *it;
|
|
int dec = 0;
|
|
if (ch >= '0' && ch<='9')
|
|
dec = int(ch - '0');
|
|
else if (ch >='A' && ch <= 'F')
|
|
dec = 10 + int(ch - 'A');
|
|
else
|
|
assert(false);
|
|
|
|
// Convert to binary and append into code.
|
|
for (int i=0; i<4; ++i)
|
|
m_data.second.insert(m_data.second.end(), bool(dec & (1 << i)));
|
|
}
|
|
}
|
|
|
|
// Test whether the two models contain the same number of ModelObjects with the same set of IDs
|
|
// ordered in the same order. In that case it is not necessary to kill the background processing.
|
|
bool model_object_list_equal(const Model &model_old, const Model &model_new)
|
|
{
|
|
if (model_old.objects.size() != model_new.objects.size())
|
|
return false;
|
|
for (size_t i = 0; i < model_old.objects.size(); ++ i)
|
|
if (model_old.objects[i]->id() != model_new.objects[i]->id())
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
// Test whether the new model is just an extension of the old model (new objects were added
|
|
// to the end of the original list. In that case it is not necessary to kill the background processing.
|
|
bool model_object_list_extended(const Model &model_old, const Model &model_new)
|
|
{
|
|
if (model_old.objects.size() >= model_new.objects.size())
|
|
return false;
|
|
for (size_t i = 0; i < model_old.objects.size(); ++ i)
|
|
if (model_old.objects[i]->id() != model_new.objects[i]->id())
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
template<typename TypeFilterFn>
|
|
bool model_volume_list_changed(const ModelObject &model_object_old, const ModelObject &model_object_new, TypeFilterFn type_filter)
|
|
{
|
|
size_t i_old, i_new;
|
|
for (i_old = 0, i_new = 0; i_old < model_object_old.volumes.size() && i_new < model_object_new.volumes.size();) {
|
|
const ModelVolume &mv_old = *model_object_old.volumes[i_old];
|
|
const ModelVolume &mv_new = *model_object_new.volumes[i_new];
|
|
if (! type_filter(mv_old.type())) {
|
|
++ i_old;
|
|
continue;
|
|
}
|
|
if (! type_filter(mv_new.type())) {
|
|
++ i_new;
|
|
continue;
|
|
}
|
|
if (mv_old.type() != mv_new.type() || mv_old.id() != mv_new.id())
|
|
return true;
|
|
//FIXME test for the content of the mesh!
|
|
if (! mv_old.get_matrix().isApprox(mv_new.get_matrix()))
|
|
return true;
|
|
++ i_old;
|
|
++ i_new;
|
|
}
|
|
for (; i_old < model_object_old.volumes.size(); ++ i_old) {
|
|
const ModelVolume &mv_old = *model_object_old.volumes[i_old];
|
|
if (type_filter(mv_old.type()))
|
|
// ModelVolume was deleted.
|
|
return true;
|
|
}
|
|
for (; i_new < model_object_new.volumes.size(); ++ i_new) {
|
|
const ModelVolume &mv_new = *model_object_new.volumes[i_new];
|
|
if (type_filter(mv_new.type()))
|
|
// ModelVolume was added.
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool model_volume_list_changed(const ModelObject &model_object_old, const ModelObject &model_object_new, const ModelVolumeType type)
|
|
{
|
|
return model_volume_list_changed(model_object_old, model_object_new, [type](const ModelVolumeType t) { return t == type; });
|
|
}
|
|
|
|
bool model_volume_list_changed(const ModelObject &model_object_old, const ModelObject &model_object_new, const std::initializer_list<ModelVolumeType> &types)
|
|
{
|
|
return model_volume_list_changed(model_object_old, model_object_new, [&types](const ModelVolumeType t) {
|
|
return std::find(types.begin(), types.end(), t) != types.end();
|
|
});
|
|
}
|
|
|
|
template< typename TypeFilterFn, typename CompareFn>
|
|
bool model_property_changed(const ModelObject &model_object_old, const ModelObject &model_object_new, TypeFilterFn type_filter, CompareFn compare)
|
|
{
|
|
assert(! model_volume_list_changed(model_object_old, model_object_new, type_filter));
|
|
size_t i_old, i_new;
|
|
for (i_old = 0, i_new = 0; i_old < model_object_old.volumes.size() && i_new < model_object_new.volumes.size();) {
|
|
const ModelVolume &mv_old = *model_object_old.volumes[i_old];
|
|
const ModelVolume &mv_new = *model_object_new.volumes[i_new];
|
|
if (! type_filter(mv_old.type())) {
|
|
++ i_old;
|
|
continue;
|
|
}
|
|
if (! type_filter(mv_new.type())) {
|
|
++ i_new;
|
|
continue;
|
|
}
|
|
assert(mv_old.type() == mv_new.type() && mv_old.id() == mv_new.id());
|
|
if (! compare(mv_old, mv_new))
|
|
return true;
|
|
++ i_old;
|
|
++ i_new;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool model_custom_supports_data_changed(const ModelObject& mo, const ModelObject& mo_new)
|
|
{
|
|
return model_property_changed(mo, mo_new,
|
|
[](const ModelVolumeType t) { return t == ModelVolumeType::MODEL_PART; },
|
|
[](const ModelVolume &mv_old, const ModelVolume &mv_new){ return mv_old.supported_facets.timestamp_matches(mv_new.supported_facets); });
|
|
}
|
|
|
|
bool model_custom_seam_data_changed(const ModelObject& mo, const ModelObject& mo_new)
|
|
{
|
|
return model_property_changed(mo, mo_new,
|
|
[](const ModelVolumeType t) { return t == ModelVolumeType::MODEL_PART; },
|
|
[](const ModelVolume &mv_old, const ModelVolume &mv_new){ return mv_old.seam_facets.timestamp_matches(mv_new.seam_facets); });
|
|
}
|
|
|
|
bool model_mmu_segmentation_data_changed(const ModelObject& mo, const ModelObject& mo_new)
|
|
{
|
|
return model_property_changed(mo, mo_new,
|
|
[](const ModelVolumeType t) { return t == ModelVolumeType::MODEL_PART; },
|
|
[](const ModelVolume &mv_old, const ModelVolume &mv_new){ return mv_old.mmu_segmentation_facets.timestamp_matches(mv_new.mmu_segmentation_facets); });
|
|
}
|
|
|
|
bool model_has_multi_part_objects(const Model &model)
|
|
{
|
|
for (const ModelObject *model_object : model.objects)
|
|
if (model_object->volumes.size() != 1 || ! model_object->volumes.front()->is_model_part())
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
bool model_has_advanced_features(const Model &model)
|
|
{
|
|
auto config_is_advanced = [](const ModelConfig &config) {
|
|
return ! (config.empty() || (config.size() == 1 && config.cbegin()->first == "extruder"));
|
|
};
|
|
for (const ModelObject *model_object : model.objects) {
|
|
// Is there more than one instance or advanced config data?
|
|
if (model_object->instances.size() > 1 || config_is_advanced(model_object->config))
|
|
return true;
|
|
// Is there any modifier or advanced config data?
|
|
for (const ModelVolume* model_volume : model_object->volumes)
|
|
if (! model_volume->is_model_part() || config_is_advanced(model_volume->config))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
#ifndef NDEBUG
|
|
// Verify whether the IDs of Model / ModelObject / ModelVolume / ModelInstance / ModelMaterial are valid and unique.
|
|
void check_model_ids_validity(const Model &model)
|
|
{
|
|
std::set<ObjectID> ids;
|
|
auto check = [&ids](ObjectID id) {
|
|
assert(id.valid());
|
|
assert(ids.find(id) == ids.end());
|
|
ids.insert(id);
|
|
};
|
|
for (const ModelObject *model_object : model.objects) {
|
|
check(model_object->id());
|
|
check(model_object->config.id());
|
|
for (const ModelVolume *model_volume : model_object->volumes) {
|
|
check(model_volume->id());
|
|
check(model_volume->config.id());
|
|
}
|
|
for (const ModelInstance *model_instance : model_object->instances)
|
|
check(model_instance->id());
|
|
}
|
|
for (const auto &mm : model.materials) {
|
|
check(mm.second->id());
|
|
check(mm.second->config.id());
|
|
}
|
|
}
|
|
|
|
void check_model_ids_equal(const Model &model1, const Model &model2)
|
|
{
|
|
// Verify whether the IDs of model1 and model match.
|
|
assert(model1.objects.size() == model2.objects.size());
|
|
for (size_t idx_model = 0; idx_model < model2.objects.size(); ++ idx_model) {
|
|
const ModelObject &model_object1 = *model1.objects[idx_model];
|
|
const ModelObject &model_object2 = * model2.objects[idx_model];
|
|
assert(model_object1.id() == model_object2.id());
|
|
assert(model_object1.config.id() == model_object2.config.id());
|
|
assert(model_object1.volumes.size() == model_object2.volumes.size());
|
|
assert(model_object1.instances.size() == model_object2.instances.size());
|
|
for (size_t i = 0; i < model_object1.volumes.size(); ++ i) {
|
|
assert(model_object1.volumes[i]->id() == model_object2.volumes[i]->id());
|
|
assert(model_object1.volumes[i]->config.id() == model_object2.volumes[i]->config.id());
|
|
}
|
|
for (size_t i = 0; i < model_object1.instances.size(); ++ i)
|
|
assert(model_object1.instances[i]->id() == model_object2.instances[i]->id());
|
|
}
|
|
assert(model1.materials.size() == model2.materials.size());
|
|
{
|
|
auto it1 = model1.materials.begin();
|
|
auto it2 = model2.materials.begin();
|
|
for (; it1 != model1.materials.end(); ++ it1, ++ it2) {
|
|
assert(it1->first == it2->first); // compare keys
|
|
assert(it1->second->id() == it2->second->id());
|
|
assert(it1->second->config.id() == it2->second->config.id());
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif /* NDEBUG */
|
|
|
|
}
|
|
|
|
#if 0
|
|
CEREAL_REGISTER_TYPE(Slic3r::ModelObject)
|
|
CEREAL_REGISTER_TYPE(Slic3r::ModelVolume)
|
|
CEREAL_REGISTER_TYPE(Slic3r::ModelInstance)
|
|
CEREAL_REGISTER_TYPE(Slic3r::Model)
|
|
|
|
CEREAL_REGISTER_POLYMORPHIC_RELATION(Slic3r::ObjectBase, Slic3r::ModelObject)
|
|
CEREAL_REGISTER_POLYMORPHIC_RELATION(Slic3r::ObjectBase, Slic3r::ModelVolume)
|
|
CEREAL_REGISTER_POLYMORPHIC_RELATION(Slic3r::ObjectBase, Slic3r::ModelInstance)
|
|
CEREAL_REGISTER_POLYMORPHIC_RELATION(Slic3r::ObjectBase, Slic3r::Model)
|
|
#endif
|