984 lines
40 KiB
C++
984 lines
40 KiB
C++
#include "SLAPrint.hpp"
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#include "SLA/SLASupportTree.hpp"
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#include "SLA/SLABasePool.hpp"
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#include <tbb/parallel_for.h>
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#include <boost/log/trivial.hpp>
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//#include <tbb/spin_mutex.h>//#include "tbb/mutex.h"
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#include "I18N.hpp"
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//! macro used to mark string used at localization,
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//! return same string
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#define L(s) Slic3r::I18N::translate(s)
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namespace Slic3r {
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using SlicedModel = SlicedSupports;
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using SupportTreePtr = std::unique_ptr<sla::SLASupportTree>;
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class SLAPrintObject::SupportData {
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public:
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sla::EigenMesh3D emesh; // index-triangle representation
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sla::PointSet support_points; // all the support points (manual/auto)
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SupportTreePtr support_tree_ptr; // the supports
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SlicedSupports support_slices; // sliced supports
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};
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namespace {
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const std::array<unsigned, slaposCount> OBJ_STEP_LEVELS =
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{
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0,
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20,
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30,
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50,
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70,
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90
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};
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const std::array<std::string, slaposCount> OBJ_STEP_LABELS =
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{
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L("Slicing model"), // slaposObjectSlice,
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L("Generating islands"), // slaposSupportIslands,
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L("Scanning model structure"), // slaposSupportPoints,
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L("Generating support tree"), // slaposSupportTree,
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L("Generating base pool"), // slaposBasePool,
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L("Slicing supports") // slaposSliceSupports,
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};
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const std::array<unsigned, slapsCount> PRINT_STEP_LEVELS =
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{
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// This is after processing all the Print objects, so we start from 50%
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50, // slapsRasterize
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90, // slapsValidate
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};
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const std::array<std::string, slapsCount> PRINT_STEP_LABELS =
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{
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L("Rasterizing layers"), // slapsRasterize
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L("Validating"), // slapsValidate
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};
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}
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void SLAPrint::clear()
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{
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tbb::mutex::scoped_lock lock(this->state_mutex());
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// The following call should stop background processing if it is running.
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this->invalidate_all_steps();
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for (SLAPrintObject *object : m_objects) delete object;
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m_objects.clear();
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}
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// Transformation without rotation around Z and without a shift by X and Y.
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static Transform3d sla_trafo(const ModelObject &model_object)
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{
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ModelInstance &model_instance = *model_object.instances.front();
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Vec3d offset = model_instance.get_offset();
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Vec3d rotation = model_instance.get_rotation();
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offset(0) = 0.;
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offset(1) = 0.;
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rotation(2) = 0.;
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return Geometry::assemble_transform(offset, rotation, model_instance.get_scaling_factor(), model_instance.get_mirror());
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}
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// List of instances, where the ModelInstance transformation is a composite of sla_trafo and the transformation defined by SLAPrintObject::Instance.
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static std::vector<SLAPrintObject::Instance> sla_instances(const ModelObject &model_object)
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{
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std::vector<SLAPrintObject::Instance> instances;
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for (ModelInstance *model_instance : model_object.instances)
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if (model_instance->is_printable()) {
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instances.emplace_back(SLAPrintObject::Instance(
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model_instance->id(),
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Point::new_scale(model_instance->get_offset(X), model_instance->get_offset(Y)),
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float(model_instance->get_rotation(Z))));
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}
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return instances;
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}
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SLAPrint::ApplyStatus SLAPrint::apply(const Model &model,
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const DynamicPrintConfig &config_in)
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{
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#ifdef _DEBUG
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check_model_ids_validity(model);
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#endif /* _DEBUG */
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// Make a copy of the config, normalize it.
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DynamicPrintConfig config(config_in);
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config.normalize();
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// Collect changes to print config.
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t_config_option_keys printer_diff = m_printer_config.diff(config);
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t_config_option_keys material_diff = m_material_config.diff(config);
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t_config_option_keys object_diff = m_default_object_config.diff(config);
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// Do not use the ApplyStatus as we will use the max function when updating apply_status.
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unsigned int apply_status = APPLY_STATUS_UNCHANGED;
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auto update_apply_status = [&apply_status](bool invalidated)
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{ apply_status = std::max<unsigned int>(apply_status, invalidated ? APPLY_STATUS_INVALIDATED : APPLY_STATUS_CHANGED); };
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if (! (printer_diff.empty() && material_diff.empty() && object_diff.empty()))
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update_apply_status(false);
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// Grab the lock for the Print / PrintObject milestones.
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tbb::mutex::scoped_lock lock(this->state_mutex());
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// The following call may stop the background processing.
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update_apply_status(this->invalidate_state_by_config_options(printer_diff));
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update_apply_status(this->invalidate_state_by_config_options(material_diff));
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// It is also safe to change m_config now after this->invalidate_state_by_config_options() call.
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m_printer_config.apply_only(config, printer_diff, true);
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// Handle changes to material config.
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m_material_config.apply_only(config, material_diff, true);
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// Handle changes to object config defaults
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m_default_object_config.apply_only(config, object_diff, true);
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struct ModelObjectStatus {
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enum Status {
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Unknown,
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Old,
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New,
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Moved,
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Deleted,
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};
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ModelObjectStatus(ModelID id, Status status = Unknown) : id(id), status(status) {}
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ModelID id;
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Status status;
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// Search by id.
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bool operator<(const ModelObjectStatus &rhs) const { return id < rhs.id; }
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};
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std::set<ModelObjectStatus> model_object_status;
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// 1) Synchronize model objects.
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if (model.id() != m_model.id()) {
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// Kill everything, initialize from scratch.
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// Stop background processing.
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this->call_cancell_callback();
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update_apply_status(this->invalidate_all_steps());
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for (SLAPrintObject *object : m_objects) {
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model_object_status.emplace(object->model_object()->id(), ModelObjectStatus::Deleted);
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delete object;
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}
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m_objects.clear();
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m_model.assign_copy(model);
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for (const ModelObject *model_object : m_model.objects)
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model_object_status.emplace(model_object->id(), ModelObjectStatus::New);
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} else {
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if (model_object_list_equal(m_model, model)) {
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// The object list did not change.
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for (const ModelObject *model_object : m_model.objects)
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model_object_status.emplace(model_object->id(), ModelObjectStatus::Old);
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} else if (model_object_list_extended(m_model, model)) {
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// Add new objects. Their volumes and configs will be synchronized later.
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update_apply_status(this->invalidate_step(slapsRasterize));
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for (const ModelObject *model_object : m_model.objects)
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model_object_status.emplace(model_object->id(), ModelObjectStatus::Old);
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for (size_t i = m_model.objects.size(); i < model.objects.size(); ++ i) {
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model_object_status.emplace(model.objects[i]->id(), ModelObjectStatus::New);
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m_model.objects.emplace_back(ModelObject::new_copy(*model.objects[i]));
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m_model.objects.back()->set_model(&m_model);
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}
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} else {
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// Reorder the objects, add new objects.
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// First stop background processing before shuffling or deleting the PrintObjects in the object list.
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this->call_cancell_callback();
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update_apply_status(this->invalidate_step(slapsRasterize));
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// Second create a new list of objects.
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std::vector<ModelObject*> model_objects_old(std::move(m_model.objects));
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m_model.objects.clear();
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m_model.objects.reserve(model.objects.size());
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auto by_id_lower = [](const ModelObject *lhs, const ModelObject *rhs){ return lhs->id() < rhs->id(); };
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std::sort(model_objects_old.begin(), model_objects_old.end(), by_id_lower);
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for (const ModelObject *mobj : model.objects) {
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auto it = std::lower_bound(model_objects_old.begin(), model_objects_old.end(), mobj, by_id_lower);
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if (it == model_objects_old.end() || (*it)->id() != mobj->id()) {
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// New ModelObject added.
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m_model.objects.emplace_back(ModelObject::new_copy(*mobj));
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m_model.objects.back()->set_model(&m_model);
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model_object_status.emplace(mobj->id(), ModelObjectStatus::New);
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} else {
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// Existing ModelObject re-added (possibly moved in the list).
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m_model.objects.emplace_back(*it);
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model_object_status.emplace(mobj->id(), ModelObjectStatus::Moved);
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}
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}
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bool deleted_any = false;
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for (ModelObject *&model_object : model_objects_old) {
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if (model_object_status.find(ModelObjectStatus(model_object->id())) == model_object_status.end()) {
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model_object_status.emplace(model_object->id(), ModelObjectStatus::Deleted);
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deleted_any = true;
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} else
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// Do not delete this ModelObject instance.
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model_object = nullptr;
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}
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if (deleted_any) {
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// Delete PrintObjects of the deleted ModelObjects.
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std::vector<SLAPrintObject*> print_objects_old = std::move(m_objects);
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m_objects.clear();
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m_objects.reserve(print_objects_old.size());
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for (SLAPrintObject *print_object : print_objects_old) {
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auto it_status = model_object_status.find(ModelObjectStatus(print_object->model_object()->id()));
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assert(it_status != model_object_status.end());
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if (it_status->status == ModelObjectStatus::Deleted) {
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update_apply_status(print_object->invalidate_all_steps());
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delete print_object;
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} else
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m_objects.emplace_back(print_object);
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}
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for (ModelObject *model_object : model_objects_old)
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delete model_object;
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}
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}
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}
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// 2) Map print objects including their transformation matrices.
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struct PrintObjectStatus {
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enum Status {
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Unknown,
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Deleted,
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Reused,
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New
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};
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PrintObjectStatus(SLAPrintObject *print_object, Status status = Unknown) :
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id(print_object->model_object()->id()),
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print_object(print_object),
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trafo(print_object->trafo()),
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status(status) {}
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PrintObjectStatus(ModelID id) : id(id), print_object(nullptr), trafo(Transform3d::Identity()), status(Unknown) {}
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// ID of the ModelObject & PrintObject
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ModelID id;
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// Pointer to the old PrintObject
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SLAPrintObject *print_object;
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// Trafo generated with model_object->world_matrix(true)
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Transform3d trafo;
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Status status;
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// Search by id.
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bool operator<(const PrintObjectStatus &rhs) const { return id < rhs.id; }
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};
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std::multiset<PrintObjectStatus> print_object_status;
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for (SLAPrintObject *print_object : m_objects)
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print_object_status.emplace(PrintObjectStatus(print_object));
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// 3) Synchronize ModelObjects & PrintObjects.
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std::vector<SLAPrintObject*> print_objects_new;
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print_objects_new.reserve(std::max(m_objects.size(), m_model.objects.size()));
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bool new_objects = false;
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for (size_t idx_model_object = 0; idx_model_object < model.objects.size(); ++ idx_model_object) {
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ModelObject &model_object = *m_model.objects[idx_model_object];
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auto it_status = model_object_status.find(ModelObjectStatus(model_object.id()));
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assert(it_status != model_object_status.end());
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assert(it_status->status != ModelObjectStatus::Deleted);
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if (it_status->status == ModelObjectStatus::New)
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// PrintObject instances will be added in the next loop.
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continue;
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// Update the ModelObject instance, possibly invalidate the linked PrintObjects.
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assert(it_status->status == ModelObjectStatus::Old || it_status->status == ModelObjectStatus::Moved);
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const ModelObject &model_object_new = *model.objects[idx_model_object];
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auto it_print_object_status = print_object_status.lower_bound(PrintObjectStatus(model_object.id()));
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if (it_print_object_status != print_object_status.end() && it_print_object_status->id != model_object.id())
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it_print_object_status = print_object_status.end();
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// Check whether a model part volume was added or removed, their transformations or order changed.
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bool model_parts_differ = model_volume_list_changed(model_object, model_object_new, ModelVolume::MODEL_PART);
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bool sla_trafo_differs = model_object.instances.empty() != model_object_new.instances.empty() ||
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(! model_object.instances.empty() && ! sla_trafo(model_object).isApprox(sla_trafo(model_object_new)));
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if (model_parts_differ || sla_trafo_differs) {
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// The very first step (the slicing step) is invalidated. One may freely remove all associated PrintObjects.
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if (it_print_object_status != print_object_status.end()) {
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update_apply_status(it_print_object_status->print_object->invalidate_all_steps());
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const_cast<PrintObjectStatus&>(*it_print_object_status).status = PrintObjectStatus::Deleted;
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}
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// Copy content of the ModelObject including its ID, do not change the parent.
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model_object.assign_copy(model_object_new);
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} else {
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// Synchronize Object's config.
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bool object_config_changed = model_object.config != model_object_new.config;
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if (object_config_changed)
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model_object.config = model_object_new.config;
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if (! object_diff.empty() || object_config_changed) {
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SLAPrintObjectConfig new_config = m_default_object_config;
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normalize_and_apply_config(new_config, model_object.config);
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if (it_print_object_status != print_object_status.end()) {
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t_config_option_keys diff = it_print_object_status->print_object->config().diff(new_config);
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if (! diff.empty()) {
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update_apply_status(it_print_object_status->print_object->invalidate_state_by_config_options(diff));
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it_print_object_status->print_object->config_apply_only(new_config, diff, true);
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}
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}
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}
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if (model_object.sla_support_points != model_object_new.sla_support_points) {
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model_object.sla_support_points = model_object_new.sla_support_points;
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if (it_print_object_status != print_object_status.end())
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update_apply_status(it_print_object_status->print_object->invalidate_step(slaposSupportPoints));
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}
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// Copy the ModelObject name, input_file and instances. The instances will compared against PrintObject instances in the next step.
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model_object.name = model_object_new.name;
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model_object.input_file = model_object_new.input_file;
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model_object.clear_instances();
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model_object.instances.reserve(model_object_new.instances.size());
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for (const ModelInstance *model_instance : model_object_new.instances) {
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model_object.instances.emplace_back(new ModelInstance(*model_instance));
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model_object.instances.back()->set_model_object(&model_object);
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}
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}
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std::vector<SLAPrintObject::Instance> new_instances = sla_instances(model_object);
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if (it_print_object_status != print_object_status.end() && it_print_object_status->status != PrintObjectStatus::Deleted) {
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// The SLAPrintObject is already there.
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if (new_instances != it_print_object_status->print_object->instances()) {
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// Instances changed.
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it_print_object_status->print_object->set_instances(new_instances);
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update_apply_status(this->invalidate_step(slapsRasterize));
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}
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print_objects_new.emplace_back(it_print_object_status->print_object);
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const_cast<PrintObjectStatus&>(*it_print_object_status).status = PrintObjectStatus::Reused;
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} else {
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auto print_object = new SLAPrintObject(this, &model_object);
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print_object->set_trafo(sla_trafo(model_object));
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print_object->set_instances(new_instances);
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print_object->config_apply(config, true);
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print_objects_new.emplace_back(print_object);
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new_objects = true;
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}
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}
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if (m_objects != print_objects_new) {
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this->call_cancell_callback();
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update_apply_status(this->invalidate_all_steps());
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m_objects = print_objects_new;
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// Delete the PrintObjects marked as Unknown or Deleted.
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bool deleted_objects = false;
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for (auto &pos : print_object_status)
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if (pos.status == PrintObjectStatus::Unknown || pos.status == PrintObjectStatus::Deleted) {
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// update_apply_status(pos.print_object->invalidate_all_steps());
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delete pos.print_object;
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deleted_objects = true;
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}
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update_apply_status(new_objects);
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}
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#ifdef _DEBUG
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check_model_ids_equal(m_model, model);
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#endif /* _DEBUG */
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return static_cast<ApplyStatus>(apply_status);
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}
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void SLAPrint::process()
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{
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using namespace sla;
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// Assumption: at this point the print objects should be populated only with
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// the model objects we have to process and the instances are also filtered
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// shortcut to initial layer height
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double ilhd = m_material_config.initial_layer_height.getFloat();
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auto ilh = float(ilhd);
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// The slicing will be performed on an imaginary 1D grid which starts from
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// the bottom of the bounding box created around the supported model. So
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// the first layer which is usually thicker will be part of the supports
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// not the model geometry. Exception is when the model is not in the air
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// (elevation is zero) and no pad creation was requested. In this case the
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// model geometry starts on the ground level and the initial layer is part
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// of it. In any case, the model and the supports have to be sliced in the
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// same imaginary grid (the height vector argument to TriangleMeshSlicer).
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// Slicing the model object. This method is oversimplified and needs to
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// be compared with the fff slicing algorithm for verification
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auto slice_model = [this, ilh, ilhd](SLAPrintObject& po) {
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double lh = po.m_config.layer_height.getFloat();
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TriangleMesh mesh = po.transformed_mesh();
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TriangleMeshSlicer slicer(&mesh);
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auto bb3d = mesh.bounding_box();
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double elevation = po.get_elevation();
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float minZ = float(bb3d.min(Z)) - float(elevation);
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float maxZ = float(bb3d.max(Z)) ;
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auto flh = float(lh);
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auto gnd = float(bb3d.min(Z));
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std::vector<float> heights;
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// The first layer (the one before the initial height) is added only
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// if there is no pad and no elevation value
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if(minZ >= gnd) heights.emplace_back(minZ);
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for(float h = minZ + ilh; h < maxZ; h += flh)
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if(h >= gnd) heights.emplace_back(h);
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auto& layers = po.m_model_slices;
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slicer.slice(heights, &layers, [this](){ throw_if_canceled(); });
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};
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auto support_points = [](SLAPrintObject& po) {
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ModelObject& mo = *po.m_model_object;
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if(!mo.sla_support_points.empty()) {
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po.m_supportdata.reset(new SLAPrintObject::SupportData());
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po.m_supportdata->emesh = sla::to_eigenmesh(po.transformed_mesh());
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po.m_supportdata->support_points =
|
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sla::to_point_set(po.transformed_support_points());
|
|
}
|
|
|
|
// for(SLAPrintObject *po : pobjects) {
|
|
// TODO: calculate automatic support points
|
|
// po->m_supportdata->slice_cache contains the slices at this point
|
|
//}
|
|
};
|
|
|
|
// In this step we create the supports
|
|
auto support_tree = [this](SLAPrintObject& po) {
|
|
if(!po.m_supportdata) return;
|
|
|
|
auto& emesh = po.m_supportdata->emesh;
|
|
auto& pts = po.m_supportdata->support_points; // nowhere filled yet
|
|
try {
|
|
sla::SupportConfig scfg;
|
|
SLAPrintObjectConfig& c = po.m_config;
|
|
|
|
scfg.head_front_radius_mm = c.support_head_front_radius.getFloat();
|
|
scfg.head_back_radius_mm = c.support_head_back_radius.getFloat();
|
|
scfg.head_penetration_mm = c.support_head_penetration.getFloat();
|
|
scfg.head_width_mm = c.support_head_width.getFloat();
|
|
scfg.object_elevation_mm = c.support_object_elevation.getFloat();
|
|
scfg.tilt = c.support_critical_angle.getFloat() * PI / 180.0 ;
|
|
scfg.max_bridge_length_mm = c.support_max_bridge_length.getFloat();
|
|
scfg.pillar_radius_mm = c.support_pillar_radius.getFloat();
|
|
|
|
sla::Controller ctl;
|
|
ctl.statuscb = [this](unsigned st, const std::string& msg) {
|
|
unsigned stinit = OBJ_STEP_LEVELS[slaposSupportTree];
|
|
double d = (OBJ_STEP_LEVELS[slaposBasePool] - stinit) / 100.0;
|
|
set_status(unsigned(stinit + st*d), msg);
|
|
};
|
|
ctl.stopcondition = [this](){ return canceled(); };
|
|
ctl.cancelfn = [this]() { throw_if_canceled(); };
|
|
|
|
po.m_supportdata->support_tree_ptr.reset(
|
|
new SLASupportTree(pts, emesh, scfg, ctl));
|
|
|
|
} catch(sla::SLASupportsStoppedException&) {
|
|
// no need to rethrow
|
|
// throw_if_canceled();
|
|
}
|
|
};
|
|
|
|
// This step generates the sla base pad
|
|
auto base_pool = [](SLAPrintObject& po) {
|
|
// this step can only go after the support tree has been created
|
|
// and before the supports had been sliced. (or the slicing has to be
|
|
// repeated)
|
|
|
|
if(po.is_step_done(slaposSupportTree) &&
|
|
po.m_config.pad_enable.getBool() &&
|
|
po.m_supportdata &&
|
|
po.m_supportdata->support_tree_ptr)
|
|
{
|
|
double wt = po.m_config.pad_wall_thickness.getFloat();
|
|
double h = po.m_config.pad_wall_height.getFloat();
|
|
double md = po.m_config.pad_max_merge_distance.getFloat();
|
|
double er = po.m_config.pad_edge_radius.getFloat();
|
|
double lh = po.m_config.layer_height.getFloat();
|
|
double elevation = po.m_config.support_object_elevation.getFloat();
|
|
sla::PoolConfig pcfg(wt, h, md, er);
|
|
|
|
sla::ExPolygons bp;
|
|
double pad_h = sla::get_pad_elevation(pcfg);
|
|
if(elevation < pad_h) sla::base_plate(po.transformed_mesh(), bp,
|
|
float(pad_h), float(lh));
|
|
|
|
po.m_supportdata->support_tree_ptr->add_pad(bp, wt, h, md, er);
|
|
}
|
|
};
|
|
|
|
// Slicing the support geometries similarly to the model slicing procedure.
|
|
// If the pad had been added previously (see step "base_pool" than it will
|
|
// be part of the slices)
|
|
auto slice_supports = [ilh](SLAPrintObject& po) {
|
|
auto& sd = po.m_supportdata;
|
|
if(sd && sd->support_tree_ptr) {
|
|
auto lh = float(po.m_config.layer_height.getFloat());
|
|
sd->support_slices = sd->support_tree_ptr->slice(lh, ilh);
|
|
}
|
|
};
|
|
|
|
// Rasterizing the model objects, and their supports
|
|
auto rasterize = [this, ilh, ilhd]() {
|
|
using Layer = sla::ExPolygons;
|
|
using LayerCopies = std::vector<SLAPrintObject::Instance>;
|
|
struct LayerRef {
|
|
std::reference_wrapper<const Layer> lref;
|
|
std::reference_wrapper<const LayerCopies> copies;
|
|
LayerRef(const Layer& lyr, const LayerCopies& cp) :
|
|
lref(std::cref(lyr)), copies(std::cref(cp)) {}
|
|
};
|
|
|
|
using LevelID = long long;
|
|
using LayerRefs = std::vector<LayerRef>;
|
|
|
|
// layers according to quantized height levels
|
|
std::map<LevelID, LayerRefs> levels;
|
|
|
|
auto sih = LevelID(scale_(ilh));
|
|
|
|
// For all print objects, go through its initial layers and place them
|
|
// into the layers hash
|
|
for(SLAPrintObject *o : m_objects) {
|
|
auto bb = o->transformed_mesh().bounding_box();
|
|
double modelgnd = bb.min(Z);
|
|
double elevation = o->get_elevation();
|
|
double lh = o->m_config.layer_height.getFloat();
|
|
double minZ = modelgnd - elevation;
|
|
|
|
// scaled values:
|
|
auto sminZ = LevelID(scale_(minZ));
|
|
auto smaxZ = LevelID(scale_(bb.max(Z)));
|
|
auto smodelgnd = LevelID(scale_(modelgnd));
|
|
auto slh = LevelID(scale_(lh));
|
|
|
|
// It is important that the next levels math the levels in
|
|
// model_slice method. Only difference is that here it works with
|
|
// scaled coordinates
|
|
std::vector<LevelID> levelids;
|
|
if(sminZ >= smodelgnd) levelids.emplace_back(sminZ);
|
|
for(LevelID h = sminZ + sih; h < smaxZ; h += slh)
|
|
if(h >= smodelgnd) levelids.emplace_back(h);
|
|
|
|
SlicedModel & oslices = o->m_model_slices;
|
|
|
|
// If everything went well this code should not run at all, but
|
|
// let's be robust...
|
|
assert(levelids.size() == oslices.size());
|
|
if(levelids.size() < oslices.size()) { // extend the levels until...
|
|
|
|
BOOST_LOG_TRIVIAL(warning)
|
|
<< "Height level mismatch at rasterization!\n";
|
|
|
|
LevelID lastlvl = levelids.back();
|
|
while(levelids.size() < oslices.size()) {
|
|
lastlvl += slh;
|
|
levelids.emplace_back(lastlvl);
|
|
}
|
|
}
|
|
|
|
for(int i = 0; i < oslices.size(); ++i) {
|
|
LevelID h = levelids[i];
|
|
auto& lyrs = levels[h]; // this initializes a new record
|
|
lyrs.emplace_back(oslices[i], o->m_instances);
|
|
}
|
|
|
|
if(o->m_supportdata) { // deal with the support slices if present
|
|
auto& sslices = o->m_supportdata->support_slices;
|
|
for(int i = 0; i < sslices.size(); ++i) {
|
|
int a = i == 0 ? 0 : 1;
|
|
int b = i == 0 ? 0 : i - 1;
|
|
LevelID h = sminZ + a * sih + b * slh;
|
|
|
|
auto& lyrs = levels[h];
|
|
lyrs.emplace_back(sslices[i], o->m_instances);
|
|
}
|
|
}
|
|
}
|
|
|
|
if(canceled()) return;
|
|
|
|
// collect all the keys
|
|
std::vector<long long> keys; keys.reserve(levels.size());
|
|
for(auto& e : levels) keys.emplace_back(e.first);
|
|
|
|
{ // create a raster printer for the current print parameters
|
|
// I don't know any better
|
|
auto& ocfg = m_objects.front()->m_config;
|
|
auto& matcfg = m_material_config;
|
|
auto& printcfg = m_printer_config;
|
|
|
|
double w = printcfg.display_width.getFloat();
|
|
double h = printcfg.display_height.getFloat();
|
|
unsigned pw = printcfg.display_pixels_x.getInt();
|
|
unsigned ph = printcfg.display_pixels_y.getInt();
|
|
double lh = ocfg.layer_height.getFloat();
|
|
double exp_t = matcfg.exposure_time.getFloat();
|
|
double iexp_t = matcfg.initial_exposure_time.getFloat();
|
|
|
|
m_printer.reset(new SLAPrinter(w, h, pw, ph, lh, exp_t, iexp_t));
|
|
}
|
|
|
|
// Allocate space for all the layers
|
|
SLAPrinter& printer = *m_printer;
|
|
auto lvlcnt = unsigned(levels.size());
|
|
printer.layers(lvlcnt);
|
|
|
|
// TODO exclusive progress indication for this step would be good
|
|
// as it is the longest of all. It would require synchronization
|
|
// in the parallel processing.
|
|
|
|
// procedure to process one height level. This will run in parallel
|
|
auto lvlfn = [this, &keys, &levels, &printer](unsigned level_id) {
|
|
if(canceled()) return;
|
|
|
|
LayerRefs& lrange = levels[keys[level_id]];
|
|
|
|
// Switch to the appropriate layer in the printer
|
|
printer.begin_layer(level_id);
|
|
|
|
for(auto& lyrref : lrange) { // for all layers in the current level
|
|
if(canceled()) break;
|
|
const Layer& sl = lyrref.lref; // get the layer reference
|
|
const LayerCopies& copies = lyrref.copies;
|
|
|
|
// Draw all the polygons in the slice to the actual layer.
|
|
for(auto& cp : copies) {
|
|
for(ExPolygon slice : sl) {
|
|
slice.translate(cp.shift(X), cp.shift(Y));
|
|
slice.rotate(cp.rotation);
|
|
printer.draw_polygon(slice, level_id);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Finish the layer for later saving it.
|
|
printer.finish_layer(level_id);
|
|
};
|
|
|
|
// last minute escape
|
|
if(canceled()) return;
|
|
|
|
// Sequential version (for testing)
|
|
// for(unsigned l = 0; l < lvlcnt; ++l) process_level(l);
|
|
|
|
// Print all the layers in parallel
|
|
tbb::parallel_for<unsigned, decltype(lvlfn)>(0, lvlcnt, lvlfn);
|
|
};
|
|
|
|
using slaposFn = std::function<void(SLAPrintObject&)>;
|
|
using slapsFn = std::function<void(void)>;
|
|
|
|
// This is the actual order of steps done on each PrintObject
|
|
std::array<SLAPrintObjectStep, slaposCount> objectsteps = {
|
|
slaposSupportIslands,
|
|
slaposSupportPoints,
|
|
slaposSupportTree,
|
|
slaposBasePool,
|
|
slaposObjectSlice,
|
|
slaposSliceSupports
|
|
};
|
|
|
|
std::array<slaposFn, slaposCount> pobj_program =
|
|
{
|
|
slice_model,
|
|
[](SLAPrintObject&){}, // slaposSupportIslands now empty
|
|
support_points,
|
|
support_tree,
|
|
base_pool,
|
|
slice_supports
|
|
};
|
|
|
|
std::array<slapsFn, slapsCount> print_program =
|
|
{
|
|
rasterize,
|
|
[](){} // validate
|
|
};
|
|
|
|
const unsigned min_objstatus = 0;
|
|
const unsigned max_objstatus = PRINT_STEP_LEVELS[slapsRasterize];
|
|
const size_t objcount = m_objects.size();
|
|
const double ostepd = (max_objstatus - min_objstatus) / (objcount * 100.0);
|
|
|
|
for(SLAPrintObject * po : m_objects) {
|
|
for(size_t s = 0; s < objectsteps.size(); ++s) {
|
|
auto currentstep = objectsteps[s];
|
|
|
|
// if the base pool (which means also the support tree) is done,
|
|
// do a refresh when indicating progress
|
|
auto flg = currentstep == slaposObjectSlice ?
|
|
SlicingStatus::RELOAD_SCENE : SlicingStatus::DEFAULT;
|
|
|
|
// Cancellation checking. Each step will check for cancellation
|
|
// on its own and return earlier gracefully. Just after it returns
|
|
// execution gets to this point and throws the canceled signal.
|
|
throw_if_canceled();
|
|
|
|
if(po->m_stepmask[currentstep] && !po->is_step_done(currentstep)) {
|
|
po->set_started(currentstep);
|
|
|
|
unsigned st = OBJ_STEP_LEVELS[currentstep];
|
|
st = unsigned(min_objstatus + st * ostepd);
|
|
set_status(st, OBJ_STEP_LABELS[currentstep], flg);
|
|
|
|
pobj_program[currentstep](*po);
|
|
po->set_done(currentstep);
|
|
}
|
|
}
|
|
}
|
|
|
|
std::array<SLAPrintStep, slapsCount> printsteps = {
|
|
slapsRasterize, slapsValidate
|
|
};
|
|
|
|
// this would disable the rasterization step
|
|
// m_stepmask[slapsRasterize] = false;
|
|
|
|
for(size_t s = 0; s < print_program.size(); ++s) {
|
|
auto currentstep = printsteps[s];
|
|
|
|
throw_if_canceled();
|
|
|
|
if(m_stepmask[currentstep] && !is_step_done(currentstep)) {
|
|
set_status(PRINT_STEP_LEVELS[currentstep],
|
|
PRINT_STEP_LABELS[currentstep]);
|
|
|
|
set_started(currentstep);
|
|
print_program[currentstep]();
|
|
set_done(currentstep);
|
|
}
|
|
}
|
|
|
|
// If everything vent well
|
|
set_status(100, L("Slicing done"));
|
|
}
|
|
|
|
bool SLAPrint::invalidate_state_by_config_options(const std::vector<t_config_option_key> &opt_keys)
|
|
{
|
|
if (opt_keys.empty())
|
|
return false;
|
|
|
|
// Cache the plenty of parameters, which influence the final rasterization only,
|
|
// or they are only notes not influencing the rasterization step.
|
|
static std::unordered_set<std::string> steps_rasterize = {
|
|
"exposure_time",
|
|
"initial_exposure_time",
|
|
"material_correction_printing",
|
|
"material_correction_curing",
|
|
"display_width",
|
|
"display_height",
|
|
"display_pixels_x",
|
|
"display_pixels_y",
|
|
"printer_correction"
|
|
};
|
|
|
|
static std::unordered_set<std::string> steps_ignore = {
|
|
"bed_shape",
|
|
"max_print_height",
|
|
"printer_technology",
|
|
};
|
|
|
|
std::vector<SLAPrintStep> steps;
|
|
std::vector<SLAPrintObjectStep> osteps;
|
|
bool invalidated = false;
|
|
|
|
for (const t_config_option_key &opt_key : opt_keys) {
|
|
if (steps_rasterize.find(opt_key) != steps_rasterize.end()) {
|
|
// These options only affect the final rasterization, or they are just notes without influence on the output,
|
|
// so there is nothing to invalidate.
|
|
steps.emplace_back(slapsRasterize);
|
|
} else if (steps_ignore.find(opt_key) != steps_ignore.end()) {
|
|
// These steps have no influence on the output. Just ignore them.
|
|
} else if (opt_key == "initial_layer_height") {
|
|
steps.emplace_back(slapsRasterize);
|
|
osteps.emplace_back(slaposObjectSlice);
|
|
} else {
|
|
// All values should be covered.
|
|
assert(false);
|
|
}
|
|
}
|
|
|
|
sort_remove_duplicates(steps);
|
|
for (SLAPrintStep step : steps)
|
|
invalidated |= this->invalidate_step(step);
|
|
sort_remove_duplicates(osteps);
|
|
for (SLAPrintObjectStep ostep : osteps)
|
|
for (SLAPrintObject *object : m_objects)
|
|
invalidated |= object->invalidate_step(ostep);
|
|
return invalidated;
|
|
}
|
|
|
|
SLAPrintObject::SLAPrintObject(SLAPrint *print, ModelObject *model_object):
|
|
Inherited(print, model_object),
|
|
m_stepmask(slaposCount, true),
|
|
m_transformed_rmesh( [this](TriangleMesh& obj){
|
|
obj = m_model_object->raw_mesh(); obj.transform(m_trafo);
|
|
})
|
|
{
|
|
}
|
|
|
|
SLAPrintObject::~SLAPrintObject() {}
|
|
|
|
// Called by SLAPrint::apply_config().
|
|
// This method only accepts SLAPrintObjectConfig option keys.
|
|
bool SLAPrintObject::invalidate_state_by_config_options(const std::vector<t_config_option_key> &opt_keys)
|
|
{
|
|
if (opt_keys.empty())
|
|
return false;
|
|
|
|
std::vector<SLAPrintObjectStep> steps;
|
|
bool invalidated = false;
|
|
for (const t_config_option_key &opt_key : opt_keys) {
|
|
if ( opt_key == "support_head_front_radius"
|
|
|| opt_key == "support_head_penetration"
|
|
|| opt_key == "support_head_back_radius"
|
|
|| opt_key == "support_head_width"
|
|
|| opt_key == "support_pillar_radius"
|
|
|| opt_key == "support_base_radius"
|
|
|| opt_key == "support_base_height"
|
|
|| opt_key == "support_critical_angle"
|
|
|| opt_key == "support_max_bridge_length"
|
|
|| opt_key == "support_object_elevation") {
|
|
steps.emplace_back(slaposSupportTree);
|
|
} else if (
|
|
opt_key == "pad_enable"
|
|
|| opt_key == "pad_wall_thickness"
|
|
|| opt_key == "pad_wall_height"
|
|
|| opt_key == "pad_max_merge_distance"
|
|
|| opt_key == "pad_edge_radius") {
|
|
steps.emplace_back(slaposBasePool);
|
|
} else {
|
|
// All keys should be covered.
|
|
assert(false);
|
|
}
|
|
}
|
|
|
|
sort_remove_duplicates(steps);
|
|
for (SLAPrintObjectStep step : steps)
|
|
invalidated |= this->invalidate_step(step);
|
|
return invalidated;
|
|
}
|
|
|
|
bool SLAPrintObject::invalidate_step(SLAPrintObjectStep step)
|
|
{
|
|
bool invalidated = Inherited::invalidate_step(step);
|
|
// propagate to dependent steps
|
|
if (step == slaposObjectSlice) {
|
|
invalidated |= this->invalidate_all_steps();
|
|
} else if (step == slaposSupportIslands) {
|
|
invalidated |= this->invalidate_steps({ slaposSupportPoints, slaposSupportTree, slaposBasePool, slaposSliceSupports });
|
|
invalidated |= m_print->invalidate_step(slapsRasterize);
|
|
} else if (step == slaposSupportPoints) {
|
|
invalidated |= this->invalidate_steps({ slaposSupportTree, slaposBasePool, slaposSliceSupports });
|
|
invalidated |= m_print->invalidate_step(slapsRasterize);
|
|
} else if (step == slaposSupportTree) {
|
|
invalidated |= this->invalidate_steps({ slaposBasePool, slaposSliceSupports });
|
|
invalidated |= m_print->invalidate_step(slapsRasterize);
|
|
} else if (step == slaposBasePool) {
|
|
invalidated |= this->invalidate_step(slaposSliceSupports);
|
|
invalidated |= m_print->invalidate_step(slapsRasterize);
|
|
} else if (step == slaposSliceSupports) {
|
|
invalidated |= m_print->invalidate_step(slapsRasterize);
|
|
}
|
|
return invalidated;
|
|
}
|
|
|
|
bool SLAPrintObject::invalidate_all_steps()
|
|
{
|
|
return Inherited::invalidate_all_steps() | m_print->invalidate_all_steps();
|
|
}
|
|
|
|
double SLAPrintObject::get_elevation() const {
|
|
double ret = m_config.support_object_elevation.getFloat();
|
|
|
|
// if the pad is enabled, then half of the pad height is its base plate
|
|
if(m_config.pad_enable.getBool()) {
|
|
// Normally the elevation for the pad itself would be the thickness of
|
|
// its walls but currently it is half of its thickness. Whatever it
|
|
// will be in the future, we provide the config to the get_pad_elevation
|
|
// method and we will have the correct value
|
|
sla::PoolConfig pcfg;
|
|
pcfg.min_wall_height_mm = m_config.pad_wall_height.getFloat();
|
|
pcfg.min_wall_thickness_mm = m_config.pad_wall_thickness.getFloat();
|
|
pcfg.edge_radius_mm = m_config.pad_edge_radius.getFloat();
|
|
pcfg.max_merge_distance_mm = m_config.pad_max_merge_distance.getFloat();
|
|
ret += sla::get_pad_elevation(pcfg);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
namespace { // dummy empty static containers for return values in some methods
|
|
const std::vector<ExPolygons> EMPTY_SLICES;
|
|
const TriangleMesh EMPTY_MESH;
|
|
}
|
|
|
|
const std::vector<ExPolygons> &SLAPrintObject::get_support_slices() const
|
|
{
|
|
if(!is_step_done(slaposSliceSupports) || !m_supportdata) return EMPTY_SLICES;
|
|
return m_supportdata->support_slices;
|
|
}
|
|
|
|
const std::vector<ExPolygons> &SLAPrintObject::get_model_slices() const
|
|
{
|
|
if(!is_step_done(slaposObjectSlice)) return EMPTY_SLICES;
|
|
return m_model_slices;
|
|
}
|
|
|
|
bool SLAPrintObject::has_mesh(SLAPrintObjectStep step) const
|
|
{
|
|
switch (step) {
|
|
case slaposSupportTree:
|
|
return ! this->support_mesh().empty();
|
|
case slaposBasePool:
|
|
return ! this->pad_mesh().empty();
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
TriangleMesh SLAPrintObject::get_mesh(SLAPrintObjectStep step) const
|
|
{
|
|
switch (step) {
|
|
case slaposSupportTree:
|
|
return this->support_mesh();
|
|
case slaposBasePool:
|
|
return this->pad_mesh();
|
|
default:
|
|
return TriangleMesh();
|
|
}
|
|
}
|
|
|
|
|
|
|
|
const TriangleMesh& SLAPrintObject::support_mesh() const
|
|
{
|
|
if(m_supportdata && m_supportdata->support_tree_ptr)
|
|
return m_supportdata->support_tree_ptr->merged_mesh();
|
|
|
|
return EMPTY_MESH;
|
|
}
|
|
|
|
const TriangleMesh& SLAPrintObject::pad_mesh() const
|
|
{
|
|
if(!m_supportdata || !m_supportdata->support_tree_ptr) return EMPTY_MESH;
|
|
|
|
return m_supportdata->support_tree_ptr->get_pad();
|
|
}
|
|
|
|
const TriangleMesh &SLAPrintObject::transformed_mesh() const {
|
|
// we need to transform the raw mesh...
|
|
// currently all the instances share the same x and y rotation and scaling
|
|
// so we have to extract those from e.g. the first instance and apply to the
|
|
// raw mesh. This is also true for the support points.
|
|
// BUT: when the support structure is spawned for each instance than it has
|
|
// to omit the X, Y rotation and scaling as those have been already applied
|
|
// or apply an inverse transformation on the support structure after it
|
|
// has been created.
|
|
|
|
return m_transformed_rmesh.get();
|
|
}
|
|
|
|
std::vector<Vec3d> SLAPrintObject::transformed_support_points() const
|
|
{
|
|
assert(m_model_object != nullptr);
|
|
auto& spts = m_model_object->sla_support_points;
|
|
|
|
// this could be cached as well
|
|
std::vector<Vec3d> ret; ret.reserve(spts.size());
|
|
|
|
for(auto& sp : spts) ret.emplace_back( trafo() * Vec3d(sp.cast<double>()));
|
|
|
|
return ret;
|
|
}
|
|
|
|
} // namespace Slic3r
|