4e11552da9
Fixes Connecting / expanding Bottom Layers to Vase Perimeter #253 Fixes Slicing error in vase mode #452 Fixes Slicing Issue (Vase Mode, 0.6mm dmr nozzle) #1887 Fixes Top fill pattern isn't used in spiral vase mode #2533 Fixes Cisar's vase doesn't slice correctly, creates artefacts #3595 When the model is sliced, all the contours are newly oriented counter-clockwise (even holes), merged and then only the largest area contour is retained. In perimeter generator, if the largest contour splits into multiple perimeters, newly only the largest area perimeter is retained in spiral vase mode. These two changes solve #3595 and similar. The infill is newly calculated only for the bottom solid layers if the spiral vase mode is active (removes various unwanted infill along the vase walls), and the last bottom solid layer is switched to a top solid pattern (solves #2533). The thin walls are newly enforced to be disabled in spiral vase mode, and the "ensure vertical shell wall" is enforced in spiral vase mode to extend the bottom of the vase to the vase hull (fixes #253).
476 lines
24 KiB
C++
476 lines
24 KiB
C++
#ifndef slic3r_Print_hpp_
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#define slic3r_Print_hpp_
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#include "PrintBase.hpp"
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#include "BoundingBox.hpp"
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#include "Flow.hpp"
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#include "Point.hpp"
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#include "Layer.hpp"
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#include "Model.hpp"
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#include "Slicing.hpp"
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#include "GCode/ToolOrdering.hpp"
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#include "GCode/WipeTower.hpp"
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#if ENABLE_THUMBNAIL_GENERATOR
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#include "GCode/ThumbnailData.hpp"
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#endif // ENABLE_THUMBNAIL_GENERATOR
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#include "libslic3r.h"
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namespace Slic3r {
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class Print;
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class PrintObject;
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class ModelObject;
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class GCode;
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class GCodePreviewData;
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enum class SlicingMode : uint32_t;
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// Print step IDs for keeping track of the print state.
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enum PrintStep {
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psSkirt,
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psBrim,
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// Synonym for the last step before the Wipe Tower / Tool Ordering, for the G-code preview slider to understand that
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// all the extrusions are there for the layer slider to add color changes etc.
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psExtrusionPaths = psBrim,
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psWipeTower,
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// psToolOrdering is a synonym to psWipeTower, as the Wipe Tower calculates and modifies the ToolOrdering,
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// while if printing without the Wipe Tower, the ToolOrdering is calculated as well.
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psToolOrdering = psWipeTower,
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psGCodeExport,
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psCount,
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};
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enum PrintObjectStep {
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posSlice, posPerimeters, posPrepareInfill,
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posInfill, posSupportMaterial, posCount,
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};
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// A PrintRegion object represents a group of volumes to print
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// sharing the same config (including the same assigned extruder(s))
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class PrintRegion
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{
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friend class Print;
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// Methods NOT modifying the PrintRegion's state:
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public:
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const Print* print() const { return m_print; }
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const PrintRegionConfig& config() const { return m_config; }
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// 1-based extruder identifier for this region and role.
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unsigned int extruder(FlowRole role) const;
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Flow flow(FlowRole role, double layer_height, bool bridge, bool first_layer, double width, const PrintObject &object) const;
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// Average diameter of nozzles participating on extruding this region.
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coordf_t nozzle_dmr_avg(const PrintConfig &print_config) const;
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// Average diameter of nozzles participating on extruding this region.
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coordf_t bridging_height_avg(const PrintConfig &print_config) const;
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// Collect 0-based extruder indices used to print this region's object.
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void collect_object_printing_extruders(std::vector<unsigned int> &object_extruders) const;
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static void collect_object_printing_extruders(const PrintConfig &print_config, const PrintRegionConfig ®ion_config, std::vector<unsigned int> &object_extruders);
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// Methods modifying the PrintRegion's state:
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public:
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Print* print() { return m_print; }
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void set_config(const PrintRegionConfig &config) { m_config = config; }
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void set_config(PrintRegionConfig &&config) { m_config = std::move(config); }
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void config_apply_only(const ConfigBase &other, const t_config_option_keys &keys, bool ignore_nonexistent = false)
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{ this->m_config.apply_only(other, keys, ignore_nonexistent); }
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protected:
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size_t m_refcnt;
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private:
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Print *m_print;
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PrintRegionConfig m_config;
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PrintRegion(Print* print) : m_refcnt(0), m_print(print) {}
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PrintRegion(Print* print, const PrintRegionConfig &config) : m_refcnt(0), m_print(print), m_config(config) {}
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~PrintRegion() = default;
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};
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typedef std::vector<Layer*> LayerPtrs;
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typedef std::vector<SupportLayer*> SupportLayerPtrs;
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class BoundingBoxf3; // TODO: for temporary constructor parameter
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// Single instance of a PrintObject.
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// As multiple PrintObjects may be generated for a single ModelObject (their instances differ in rotation around Z),
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// ModelObject's instancess will be distributed among these multiple PrintObjects.
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struct PrintInstance
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{
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// Parent PrintObject
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PrintObject *print_object;
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// Source ModelInstance of a ModelObject, for which this print_object was created.
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const ModelInstance *model_instance;
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// Shift of this instance's center into the world coordinates.
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Point shift;
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};
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typedef std::vector<PrintInstance> PrintInstances;
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class PrintObject : public PrintObjectBaseWithState<Print, PrintObjectStep, posCount>
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{
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private: // Prevents erroneous use by other classes.
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typedef PrintObjectBaseWithState<Print, PrintObjectStep, posCount> Inherited;
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public:
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// vector of (layer height ranges and vectors of volume ids), indexed by region_id
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std::vector<std::vector<std::pair<t_layer_height_range, int>>> region_volumes;
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// Size of an object: XYZ in scaled coordinates. The size might not be quite snug in XY plane.
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const Vec3crd& size() const { return m_size; }
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const PrintObjectConfig& config() const { return m_config; }
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const LayerPtrs& layers() const { return m_layers; }
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const SupportLayerPtrs& support_layers() const { return m_support_layers; }
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const Transform3d& trafo() const { return m_trafo; }
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const PrintInstances& instances() const { return m_instances; }
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// Bounding box is used to align the object infill patterns, and to calculate attractor for the rear seam.
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// The bounding box may not be quite snug.
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BoundingBox bounding_box() const { return BoundingBox(Point(- m_size.x() / 2, - m_size.y() / 2), Point(m_size.x() / 2, m_size.y() / 2)); }
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// Height is used for slicing, for sorting the objects by height for sequential printing and for checking vertical clearence in sequential print mode.
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// The height is snug.
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coord_t height() const { return m_size.z(); }
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// Centering offset of the sliced mesh from the scaled and rotated mesh of the model.
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const Point& center_offset() const { return m_center_offset; }
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// adds region_id, too, if necessary
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void add_region_volume(unsigned int region_id, int volume_id, const t_layer_height_range &layer_range) {
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if (region_id >= region_volumes.size())
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region_volumes.resize(region_id + 1);
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region_volumes[region_id].emplace_back(layer_range, volume_id);
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}
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// This is the *total* layer count (including support layers)
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// this value is not supposed to be compared with Layer::id
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// since they have different semantics.
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size_t total_layer_count() const { return this->layer_count() + this->support_layer_count(); }
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size_t layer_count() const { return m_layers.size(); }
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void clear_layers();
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const Layer* get_layer(int idx) const { return m_layers[idx]; }
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Layer* get_layer(int idx) { return m_layers[idx]; }
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// Get a layer exactly at print_z.
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const Layer* get_layer_at_printz(coordf_t print_z) const {
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auto it = Slic3r::lower_bound_by_predicate(m_layers.begin(), m_layers.end(), [print_z](const Layer *layer) { return layer->print_z < print_z; });
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return (it == m_layers.end() || (*it)->print_z != print_z) ? nullptr : *it;
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}
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Layer* get_layer_at_printz(coordf_t print_z) { return const_cast<Layer*>(std::as_const(*this).get_layer_at_printz(print_z)); }
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// Get a layer approximately at print_z.
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const Layer* get_layer_at_printz(coordf_t print_z, coordf_t epsilon) const {
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coordf_t limit = print_z + epsilon;
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auto it = Slic3r::lower_bound_by_predicate(m_layers.begin(), m_layers.end(), [limit](const Layer *layer) { return layer->print_z < limit; });
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return (it == m_layers.end() || (*it)->print_z < print_z - epsilon) ? nullptr : *it;
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}
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Layer* get_layer_at_printz(coordf_t print_z, coordf_t epsilon) { return const_cast<Layer*>(std::as_const(*this).get_layer_at_printz(print_z, epsilon)); }
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// print_z: top of the layer; slice_z: center of the layer.
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Layer* add_layer(int id, coordf_t height, coordf_t print_z, coordf_t slice_z);
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size_t support_layer_count() const { return m_support_layers.size(); }
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void clear_support_layers();
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SupportLayer* get_support_layer(int idx) { return m_support_layers[idx]; }
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SupportLayer* add_support_layer(int id, coordf_t height, coordf_t print_z);
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SupportLayerPtrs::const_iterator insert_support_layer(SupportLayerPtrs::const_iterator pos, size_t id, coordf_t height, coordf_t print_z, coordf_t slice_z);
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void delete_support_layer(int idx);
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// Initialize the layer_height_profile from the model_object's layer_height_profile, from model_object's layer height table, or from slicing parameters.
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// Returns true, if the layer_height_profile was changed.
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static bool update_layer_height_profile(const ModelObject &model_object, const SlicingParameters &slicing_parameters, std::vector<coordf_t> &layer_height_profile);
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// Collect the slicing parameters, to be used by variable layer thickness algorithm,
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// by the interactive layer height editor and by the printing process itself.
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// The slicing parameters are dependent on various configuration values
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// (layer height, first layer height, raft settings, print nozzle diameter etc).
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const SlicingParameters& slicing_parameters() const { return m_slicing_params; }
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static SlicingParameters slicing_parameters(const DynamicPrintConfig &full_config, const ModelObject &model_object, float object_max_z);
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// returns 0-based indices of extruders used to print the object (without brim, support and other helper extrusions)
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std::vector<unsigned int> object_extruders() const;
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// Called when slicing to SVG (see Print.pm sub export_svg), and used by perimeters.t
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void slice();
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// Helpers to slice support enforcer / blocker meshes by the support generator.
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std::vector<ExPolygons> slice_support_volumes(const ModelVolumeType &model_volume_type) const;
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std::vector<ExPolygons> slice_support_blockers() const { return this->slice_support_volumes(ModelVolumeType::SUPPORT_BLOCKER); }
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std::vector<ExPolygons> slice_support_enforcers() const { return this->slice_support_volumes(ModelVolumeType::SUPPORT_ENFORCER); }
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private:
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// to be called from Print only.
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friend class Print;
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PrintObject(Print* print, ModelObject* model_object, const Transform3d& trafo, PrintInstances&& instances);
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~PrintObject() = default;
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void config_apply(const ConfigBase &other, bool ignore_nonexistent = false) { this->m_config.apply(other, ignore_nonexistent); }
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void config_apply_only(const ConfigBase &other, const t_config_option_keys &keys, bool ignore_nonexistent = false) { this->m_config.apply_only(other, keys, ignore_nonexistent); }
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PrintBase::ApplyStatus set_instances(PrintInstances &&instances);
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// Invalidates the step, and its depending steps in PrintObject and Print.
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bool invalidate_step(PrintObjectStep step);
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// Invalidates all PrintObject and Print steps.
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bool invalidate_all_steps();
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// Invalidate steps based on a set of parameters changed.
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bool invalidate_state_by_config_options(const std::vector<t_config_option_key> &opt_keys);
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// If ! m_slicing_params.valid, recalculate.
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void update_slicing_parameters();
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static PrintObjectConfig object_config_from_model_object(const PrintObjectConfig &default_object_config, const ModelObject &object, size_t num_extruders);
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static PrintRegionConfig region_config_from_model_volume(const PrintRegionConfig &default_region_config, const DynamicPrintConfig *layer_range_config, const ModelVolume &volume, size_t num_extruders);
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private:
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void make_perimeters();
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void prepare_infill();
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void infill();
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void generate_support_material();
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void _slice(const std::vector<coordf_t> &layer_height_profile);
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std::string _fix_slicing_errors();
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void simplify_slices(double distance);
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bool has_support_material() const;
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void detect_surfaces_type();
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void process_external_surfaces();
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void discover_vertical_shells();
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void bridge_over_infill();
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void clip_fill_surfaces();
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void discover_horizontal_shells();
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void combine_infill();
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void _generate_support_material();
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// XYZ in scaled coordinates
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Vec3crd m_size;
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PrintObjectConfig m_config;
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// Translation in Z + Rotation + Scaling / Mirroring.
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Transform3d m_trafo = Transform3d::Identity();
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// Slic3r::Point objects in scaled G-code coordinates
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std::vector<PrintInstance> m_instances;
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// The mesh is being centered before thrown to Clipper, so that the Clipper's fixed coordinates require less bits.
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// This is the adjustment of the the Object's coordinate system towards PrintObject's coordinate system.
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Point m_center_offset;
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SlicingParameters m_slicing_params;
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LayerPtrs m_layers;
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SupportLayerPtrs m_support_layers;
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// this is set to true when LayerRegion->slices is split in top/internal/bottom
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// so that next call to make_perimeters() performs a union() before computing loops
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bool m_typed_slices = false;
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std::vector<ExPolygons> slice_region(size_t region_id, const std::vector<float> &z, SlicingMode mode) const;
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std::vector<ExPolygons> slice_modifiers(size_t region_id, const std::vector<float> &z) const;
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std::vector<ExPolygons> slice_volumes(const std::vector<float> &z, SlicingMode mode, const std::vector<const ModelVolume*> &volumes) const;
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std::vector<ExPolygons> slice_volume(const std::vector<float> &z, SlicingMode mode, const ModelVolume &volume) const;
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std::vector<ExPolygons> slice_volume(const std::vector<float> &z, const std::vector<t_layer_height_range> &ranges, SlicingMode mode, const ModelVolume &volume) const;
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};
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struct WipeTowerData
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{
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// Following section will be consumed by the GCodeGenerator.
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// Tool ordering of a non-sequential print has to be known to calculate the wipe tower.
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// Cache it here, so it does not need to be recalculated during the G-code generation.
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ToolOrdering &tool_ordering;
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// Cache of tool changes per print layer.
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std::unique_ptr<std::vector<WipeTower::ToolChangeResult>> priming;
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std::vector<std::vector<WipeTower::ToolChangeResult>> tool_changes;
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std::unique_ptr<WipeTower::ToolChangeResult> final_purge;
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std::vector<float> used_filament;
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int number_of_toolchanges;
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// Depth of the wipe tower to pass to GLCanvas3D for exact bounding box:
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float depth;
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float brim_width;
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void clear() {
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priming.reset(nullptr);
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tool_changes.clear();
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final_purge.reset(nullptr);
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used_filament.clear();
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number_of_toolchanges = -1;
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depth = 0.f;
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brim_width = 0.f;
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}
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private:
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// Only allow the WipeTowerData to be instantiated internally by Print,
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// as this WipeTowerData shares reference to Print::m_tool_ordering.
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friend class Print;
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WipeTowerData(ToolOrdering &tool_ordering) : tool_ordering(tool_ordering) { clear(); }
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WipeTowerData(const WipeTowerData & /* rhs */) = delete;
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WipeTowerData &operator=(const WipeTowerData & /* rhs */) = delete;
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};
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struct PrintStatistics
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{
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PrintStatistics() { clear(); }
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std::string estimated_normal_print_time;
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std::string estimated_silent_print_time;
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std::vector<std::string> estimated_normal_color_print_times;
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std::vector<std::string> estimated_silent_color_print_times;
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double total_used_filament;
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double total_extruded_volume;
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double total_cost;
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int total_toolchanges;
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double total_weight;
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double total_wipe_tower_cost;
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double total_wipe_tower_filament;
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std::map<size_t, float> filament_stats;
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// Config with the filled in print statistics.
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DynamicConfig config() const;
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// Config with the statistics keys populated with placeholder strings.
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static DynamicConfig placeholders();
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// Replace the print statistics placeholders in the path.
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std::string finalize_output_path(const std::string &path_in) const;
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void clear() {
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estimated_normal_print_time.clear();
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estimated_silent_print_time.clear();
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estimated_normal_color_print_times.clear();
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estimated_silent_color_print_times.clear();
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total_used_filament = 0.;
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total_extruded_volume = 0.;
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total_cost = 0.;
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total_toolchanges = 0;
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total_weight = 0.;
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total_wipe_tower_cost = 0.;
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total_wipe_tower_filament = 0.;
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filament_stats.clear();
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}
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};
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typedef std::vector<PrintObject*> PrintObjectPtrs;
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typedef std::vector<PrintRegion*> PrintRegionPtrs;
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// The complete print tray with possibly multiple objects.
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class Print : public PrintBaseWithState<PrintStep, psCount>
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{
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private: // Prevents erroneous use by other classes.
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typedef PrintBaseWithState<PrintStep, psCount> Inherited;
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public:
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Print() = default;
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virtual ~Print() { this->clear(); }
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PrinterTechnology technology() const noexcept { return ptFFF; }
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// Methods, which change the state of Print / PrintObject / PrintRegion.
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// The following methods are synchronized with process() and export_gcode(),
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// so that process() and export_gcode() may be called from a background thread.
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// In case the following methods need to modify data processed by process() or export_gcode(),
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// a cancellation callback is executed to stop the background processing before the operation.
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void clear() override;
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bool empty() const override { return m_objects.empty(); }
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ApplyStatus apply(const Model &model, DynamicPrintConfig config) override;
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void process() override;
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// Exports G-code into a file name based on the path_template, returns the file path of the generated G-code file.
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// If preview_data is not null, the preview_data is filled in for the G-code visualization (not used by the command line Slic3r).
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#if ENABLE_THUMBNAIL_GENERATOR
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std::string export_gcode(const std::string& path_template, GCodePreviewData* preview_data, ThumbnailsGeneratorCallback thumbnail_cb = nullptr);
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#else
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std::string export_gcode(const std::string &path_template, GCodePreviewData *preview_data);
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#endif // ENABLE_THUMBNAIL_GENERATOR
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// methods for handling state
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bool is_step_done(PrintStep step) const { return Inherited::is_step_done(step); }
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// Returns true if an object step is done on all objects and there's at least one object.
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bool is_step_done(PrintObjectStep step) const;
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// Returns true if the last step was finished with success.
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bool finished() const override { return this->is_step_done(psGCodeExport); }
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bool has_infinite_skirt() const;
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bool has_skirt() const;
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// Returns an empty string if valid, otherwise returns an error message.
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std::string validate() const override;
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double skirt_first_layer_height() const;
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Flow brim_flow() const;
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Flow skirt_flow() const;
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std::vector<unsigned int> object_extruders() const;
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std::vector<unsigned int> support_material_extruders() const;
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std::vector<unsigned int> extruders() const;
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double max_allowed_layer_height() const;
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bool has_support_material() const;
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// Make sure the background processing has no access to this model_object during this call!
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void auto_assign_extruders(ModelObject* model_object) const;
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const PrintConfig& config() const { return m_config; }
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const PrintObjectConfig& default_object_config() const { return m_default_object_config; }
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const PrintRegionConfig& default_region_config() const { return m_default_region_config; }
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//FIXME returning const vector to non-const PrintObject*, caller could modify PrintObjects!
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const PrintObjectPtrs& objects() const { return m_objects; }
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PrintObject* get_object(size_t idx) { return m_objects[idx]; }
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const PrintObject* get_object(size_t idx) const { return m_objects[idx]; }
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const PrintRegionPtrs& regions() const { return m_regions; }
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// How many of PrintObject::copies() over all print objects are there?
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// If zero, then the print is empty and the print shall not be executed.
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unsigned int num_object_instances() const;
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const ExtrusionEntityCollection& skirt() const { return m_skirt; }
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const ExtrusionEntityCollection& brim() const { return m_brim; }
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const PrintStatistics& print_statistics() const { return m_print_statistics; }
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// Wipe tower support.
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bool has_wipe_tower() const;
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const WipeTowerData& wipe_tower_data(size_t extruders_cnt = 0, double first_layer_height = 0., double nozzle_diameter = 0.) const;
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const ToolOrdering& tool_ordering() const { return m_tool_ordering; }
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std::string output_filename(const std::string &filename_base = std::string()) const override;
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// Accessed by SupportMaterial
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const PrintRegion* get_region(size_t idx) const { return m_regions[idx]; }
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const ToolOrdering& get_tool_ordering() const { return m_wipe_tower_data.tool_ordering; } // #ys_FIXME just for testing
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protected:
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// methods for handling regions
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PrintRegion* get_region(size_t idx) { return m_regions[idx]; }
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PrintRegion* add_region();
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PrintRegion* add_region(const PrintRegionConfig &config);
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// Invalidates the step, and its depending steps in Print.
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bool invalidate_step(PrintStep step);
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private:
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void config_diffs(
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const DynamicPrintConfig &new_full_config,
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t_config_option_keys &print_diff, t_config_option_keys &object_diff, t_config_option_keys ®ion_diff,
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t_config_option_keys &full_config_diff,
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DynamicPrintConfig &filament_overrides) const;
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bool invalidate_state_by_config_options(const std::vector<t_config_option_key> &opt_keys);
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void _make_skirt();
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void _make_brim();
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void _make_wipe_tower();
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// Declared here to have access to Model / ModelObject / ModelInstance
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static void model_volume_list_update_supports(ModelObject &model_object_dst, const ModelObject &model_object_src);
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PrintConfig m_config;
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PrintObjectConfig m_default_object_config;
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PrintRegionConfig m_default_region_config;
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PrintObjectPtrs m_objects;
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PrintRegionPtrs m_regions;
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// Ordered collections of extrusion paths to build skirt loops and brim.
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ExtrusionEntityCollection m_skirt;
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ExtrusionEntityCollection m_brim;
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// Following section will be consumed by the GCodeGenerator.
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ToolOrdering m_tool_ordering;
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WipeTowerData m_wipe_tower_data {m_tool_ordering};
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// Estimated print time, filament consumed.
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PrintStatistics m_print_statistics;
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// To allow GCode to set the Print's GCodeExport step status.
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friend class GCode;
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// Allow PrintObject to access m_mutex and m_cancel_callback.
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friend class PrintObject;
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};
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} /* slic3r_Print_hpp_ */
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#endif
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