1000 lines
42 KiB
C++
1000 lines
42 KiB
C++
#include "Print.hpp"
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#include "BoundingBox.hpp"
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#include "ClipperUtils.hpp"
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#include "Extruder.hpp"
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#include "Flow.hpp"
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#include "Geometry.hpp"
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#include "SupportMaterial.hpp"
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#include "GCode/WipeTowerPrusaMM.hpp"
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#include <algorithm>
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#include <boost/filesystem.hpp>
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#include <boost/lexical_cast.hpp>
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namespace Slic3r {
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template class PrintState<PrintStep, psCount>;
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template class PrintState<PrintObjectStep, posCount>;
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void Print::clear_objects()
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{
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for (int i = int(this->objects.size())-1; i >= 0; --i)
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this->delete_object(i);
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this->clear_regions();
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}
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void Print::delete_object(size_t idx)
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{
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// destroy object and remove it from our container
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delete this->objects[idx];
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this->objects.erase(this->objects.begin() + idx);
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this->invalidate_all_steps();
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// TODO: purge unused regions
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}
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void Print::reload_object(size_t idx)
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{
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/* TODO: this method should check whether the per-object config and per-material configs
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have changed in such a way that regions need to be rearranged or we can just apply
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the diff and invalidate something. Same logic as apply_config()
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For now we just re-add all objects since we haven't implemented this incremental logic yet.
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This should also check whether object volumes (parts) have changed. */
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// collect all current model objects
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ModelObjectPtrs model_objects;
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model_objects.reserve(this->objects.size());
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for (PrintObject *object : this->objects)
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model_objects.push_back(object->model_object());
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// remove our print objects
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this->clear_objects();
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// re-add model objects
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for (ModelObject *mo : model_objects)
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this->add_model_object(mo);
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}
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bool Print::reload_model_instances()
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{
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bool invalidated = false;
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for (PrintObject *object : this->objects)
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invalidated |= object->reload_model_instances();
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return invalidated;
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}
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void Print::clear_regions()
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{
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for (PrintRegion *region : this->regions)
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delete region;
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this->regions.clear();
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}
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PrintRegion* Print::add_region()
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{
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regions.push_back(new PrintRegion(this));
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return regions.back();
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}
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// Called by Print::apply_config().
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// This method only accepts PrintConfig option keys.
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bool Print::invalidate_state_by_config_options(const std::vector<t_config_option_key> &opt_keys)
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{
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if (opt_keys.empty())
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return false;
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std::vector<PrintStep> steps;
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std::vector<PrintObjectStep> osteps;
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for (const t_config_option_key &opt_key : opt_keys) {
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if ( opt_key == "skirts"
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|| opt_key == "skirt_height"
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|| opt_key == "skirt_distance"
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|| opt_key == "min_skirt_length"
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|| opt_key == "ooze_prevention") {
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steps.emplace_back(psSkirt);
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} else if (opt_key == "brim_width") {
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steps.emplace_back(psBrim);
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steps.emplace_back(psSkirt);
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} else if (opt_key == "nozzle_diameter"
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|| opt_key == "resolution") {
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osteps.emplace_back(posSlice);
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} else if (
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opt_key == "complete_objects"
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|| opt_key == "filament_type"
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|| opt_key == "first_layer_temperature"
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|| opt_key == "gcode_flavor"
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|| opt_key == "single_extruder_multi_material"
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|| opt_key == "spiral_vase"
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|| opt_key == "temperature"
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|| opt_key == "wipe_tower"
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|| opt_key == "wipe_tower_x"
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|| opt_key == "wipe_tower_y"
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|| opt_key == "wipe_tower_width"
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|| opt_key == "wipe_tower_per_color_wipe"
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|| opt_key == "z_offset") {
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steps.emplace_back(psWipeTower);
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} else if (opt_key == "avoid_crossing_perimeters"
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|| opt_key == "bed_shape"
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|| opt_key == "bed_temperature"
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|| opt_key == "bridge_acceleration"
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|| opt_key == "bridge_fan_speed"
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|| opt_key == "cooling"
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|| opt_key == "default_acceleration"
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|| opt_key == "disable_fan_first_layers"
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|| opt_key == "duplicate_distance"
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|| opt_key == "end_gcode"
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|| opt_key == "extruder_clearance_height"
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|| opt_key == "extruder_clearance_radius"
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|| opt_key == "extruder_colour"
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|| opt_key == "extruder_offset"
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|| opt_key == "extrusion_axis"
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|| opt_key == "extrusion_multiplier"
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|| opt_key == "fan_always_on"
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|| opt_key == "fan_below_layer_time"
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|| opt_key == "filament_diameter"
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|| opt_key == "filament_notes"
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|| opt_key == "filament_soluble"
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|| opt_key == "first_layer_acceleration"
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|| opt_key == "first_layer_bed_temperature"
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|| opt_key == "first_layer_speed"
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|| opt_key == "gcode_comments"
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|| opt_key == "infill_acceleration"
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|| opt_key == "infill_first"
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|| opt_key == "layer_gcode"
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|| opt_key == "min_fan_speed"
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|| opt_key == "max_fan_speed"
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|| opt_key == "min_print_speed"
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|| opt_key == "notes"
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|| opt_key == "only_retract_when_crossing_perimeters"
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|| opt_key == "output_filename_format"
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|| opt_key == "perimeter_acceleration"
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|| opt_key == "post_process"
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|| opt_key == "retract_before_travel"
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|| opt_key == "retract_before_wipe"
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|| opt_key == "retract_layer_change"
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|| opt_key == "retract_length"
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|| opt_key == "retract_length_toolchange"
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|| opt_key == "retract_lift"
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|| opt_key == "retract_lift_above"
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|| opt_key == "retract_lift_below"
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|| opt_key == "retract_restart_extra"
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|| opt_key == "retract_restart_extra_toolchange"
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|| opt_key == "retract_speed"
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|| opt_key == "deretract_speed"
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|| opt_key == "slowdown_below_layer_time"
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|| opt_key == "standby_temperature_delta"
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|| opt_key == "start_gcode"
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|| opt_key == "threads"
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|| opt_key == "toolchange_gcode"
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|| opt_key == "travel_speed"
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|| opt_key == "use_firmware_retraction"
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|| opt_key == "use_relative_e_distances"
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|| opt_key == "wipe"
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|| opt_key == "max_volumetric_extrusion_rate_slope_negative"
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|| opt_key == "max_volumetric_extrusion_rate_slope_positive") {
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// these options only affect G-code export, so nothing to invalidate
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} else if (opt_key == "first_layer_extrusion_width") {
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osteps.emplace_back(posPerimeters);
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osteps.emplace_back(posInfill);
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osteps.emplace_back(posSupportMaterial);
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steps.emplace_back(psSkirt);
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steps.emplace_back(psBrim);
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steps.emplace_back(psWipeTower);
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} else {
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// for legacy, if we can't handle this option let's invalidate all steps
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//FIXME invalidate all steps of all objects as well?
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return this->invalidate_all_steps();
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}
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}
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bool invalidated = false;
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sort_remove_duplicates(steps);
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for (PrintStep step : steps)
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invalidated |= this->invalidate_step(step);
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sort_remove_duplicates(osteps);
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for (PrintObjectStep ostep : osteps)
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for (PrintObject *object : this->objects)
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invalidated |= object->invalidate_step(ostep);
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return invalidated;
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}
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bool Print::invalidate_step(PrintStep step)
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{
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bool invalidated = this->state.invalidate(step);
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// Propagate to dependent steps.
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if (step == psSkirt)
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invalidated |= this->state.invalidate(psBrim);
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return invalidated;
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}
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// returns true if an object step is done on all objects
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// and there's at least one object
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bool Print::step_done(PrintObjectStep step) const
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{
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if (this->objects.empty())
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return false;
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for (const PrintObject *object : this->objects)
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if (!object->state.is_done(step))
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return false;
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return true;
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}
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// returns 0-based indices of used extruders
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std::vector<unsigned int> Print::object_extruders() const
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{
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std::vector<unsigned int> extruders;
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for (PrintRegion* region : this->regions) {
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// these checks reflect the same logic used in the GUI for enabling/disabling
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// extruder selection fields
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if (region->config.perimeters.value > 0 || this->config.brim_width.value > 0)
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extruders.push_back(region->config.perimeter_extruder - 1);
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if (region->config.fill_density.value > 0)
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extruders.push_back(region->config.infill_extruder - 1);
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if (region->config.top_solid_layers.value > 0 || region->config.bottom_solid_layers.value > 0)
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extruders.push_back(region->config.solid_infill_extruder - 1);
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}
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sort_remove_duplicates(extruders);
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return extruders;
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}
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// returns 0-based indices of used extruders
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std::vector<unsigned int> Print::support_material_extruders() const
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{
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std::vector<unsigned int> extruders;
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bool support_uses_current_extruder = false;
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for (PrintObject *object : this->objects) {
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if (object->has_support_material()) {
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if (object->config.support_material_extruder == 0)
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support_uses_current_extruder = true;
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else
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extruders.push_back(object->config.support_material_extruder - 1);
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if (object->config.support_material_interface_extruder == 0)
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support_uses_current_extruder = true;
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else
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extruders.push_back(object->config.support_material_interface_extruder - 1);
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}
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}
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if (support_uses_current_extruder)
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// Add all object extruders to the support extruders as it is not know which one will be used to print supports.
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append(extruders, this->object_extruders());
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sort_remove_duplicates(extruders);
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return extruders;
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}
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// returns 0-based indices of used extruders
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std::vector<unsigned int> Print::extruders() const
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{
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std::vector<unsigned int> extruders = this->object_extruders();
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append(extruders, this->support_material_extruders());
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sort_remove_duplicates(extruders);
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return extruders;
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}
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void Print::_simplify_slices(double distance)
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{
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for (PrintObject *object : this->objects) {
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for (Layer *layer : object->layers) {
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layer->slices.simplify(distance);
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for (LayerRegion *layerm : layer->regions)
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layerm->slices.simplify(distance);
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}
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}
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}
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double Print::max_allowed_layer_height() const
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{
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double nozzle_diameter_max = 0.;
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for (unsigned int extruder_id : this->extruders())
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nozzle_diameter_max = std::max(nozzle_diameter_max, this->config.nozzle_diameter.get_at(extruder_id));
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return nozzle_diameter_max;
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}
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// Caller is responsible for supplying models whose objects don't collide
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// and have explicit instance positions.
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void Print::add_model_object(ModelObject* model_object, int idx)
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{
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// Initialize a new print object and store it at the given position.
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PrintObject *object = new PrintObject(this, model_object, model_object->raw_bounding_box());
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if (idx != -1) {
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delete this->objects[idx];
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this->objects[idx] = object;
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} else
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this->objects.emplace_back(object);
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// Invalidate all print steps.
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this->invalidate_all_steps();
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for (size_t volume_id = 0; volume_id < model_object->volumes.size(); ++ volume_id) {
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// Get the config applied to this volume.
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PrintRegionConfig config = this->_region_config_from_model_volume(*model_object->volumes[volume_id]);
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// Find an existing print region with the same config.
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size_t region_id = size_t(-1);
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for (size_t i = 0; i < this->regions.size(); ++ i)
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if (config.equals(this->regions[i]->config)) {
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region_id = i;
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break;
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}
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// If no region exists with the same config, create a new one.
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if (region_id == size_t(-1)) {
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region_id = this->regions.size();
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this->add_region()->config.apply(config);
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}
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// Assign volume to a region.
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object->add_region_volume(region_id, volume_id);
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}
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// Apply config to print object.
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object->config.apply(this->default_object_config);
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normalize_and_apply_config(object->config, model_object->config);
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// update placeholders
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{
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// get the first input file name
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std::string input_file;
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std::vector<std::string> v_scale;
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for (const PrintObject *object : this->objects) {
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const ModelObject &mobj = *object->model_object();
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v_scale.push_back(boost::lexical_cast<std::string>(mobj.instances[0]->scaling_factor*100) + "%");
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if (input_file.empty())
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input_file = mobj.input_file;
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}
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PlaceholderParser &pp = this->placeholder_parser;
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pp.set("scale", v_scale);
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if (! input_file.empty()) {
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// get basename with and without suffix
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const std::string input_basename = boost::filesystem::path(input_file).filename().string();
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pp.set("input_filename", input_basename);
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const std::string input_basename_base = input_basename.substr(0, input_basename.find_last_of("."));
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pp.set("input_filename_base", input_basename_base);
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}
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}
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}
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bool Print::apply_config(DynamicPrintConfig config)
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{
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// we get a copy of the config object so we can modify it safely
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config.normalize();
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// apply variables to placeholder parser
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this->placeholder_parser.apply_config(config);
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// handle changes to print config
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t_config_option_keys print_diff = this->config.diff(config);
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this->config.apply(config, print_diff, true);
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bool invalidated = this->invalidate_state_by_config_options(print_diff);
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// handle changes to object config defaults
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this->default_object_config.apply(config, true);
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for (PrintObject *object : this->objects) {
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// we don't assume that config contains a full ObjectConfig,
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// so we base it on the current print-wise default
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PrintObjectConfig new_config = this->default_object_config;
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// we override the new config with object-specific options
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normalize_and_apply_config(new_config, object->model_object()->config);
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// check whether the new config is different from the current one
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t_config_option_keys diff = object->config.diff(new_config);
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object->config.apply(new_config, diff, true);
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invalidated |= object->invalidate_state_by_config_options(diff);
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}
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// handle changes to regions config defaults
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this->default_region_config.apply(config, true);
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// All regions now have distinct settings.
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// Check whether applying the new region config defaults we'd get different regions.
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bool rearrange_regions = false;
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{
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// Collect the already visited region configs into other_region_configs,
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// so one may check for duplicates.
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std::vector<PrintRegionConfig> other_region_configs;
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for (size_t region_id = 0; region_id < this->regions.size(); ++ region_id) {
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PrintRegion ®ion = *this->regions[region_id];
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PrintRegionConfig this_region_config;
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bool this_region_config_set = false;
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for (PrintObject *object : this->objects) {
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if (region_id < object->region_volumes.size()) {
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for (int volume_id : object->region_volumes[region_id]) {
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const ModelVolume &volume = *object->model_object()->volumes[volume_id];
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if (this_region_config_set) {
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// If the new config for this volume differs from the other
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// volume configs currently associated to this region, it means
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// the region subdivision does not make sense anymore.
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if (! this_region_config.equals(this->_region_config_from_model_volume(volume))) {
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rearrange_regions = true;
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goto exit_for_rearrange_regions;
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}
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} else {
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this_region_config = this->_region_config_from_model_volume(volume);
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this_region_config_set = true;
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}
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for (const PrintRegionConfig &cfg : other_region_configs) {
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// If the new config for this volume equals any of the other
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// volume configs that are not currently associated to this
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// region, it means the region subdivision does not make
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// sense anymore.
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if (cfg.equals(this_region_config)) {
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rearrange_regions = true;
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goto exit_for_rearrange_regions;
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}
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}
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}
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}
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}
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if (this_region_config_set) {
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t_config_option_keys diff = region.config.diff(this_region_config);
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if (! diff.empty()) {
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region.config.apply(this_region_config, diff);
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for (PrintObject *object : this->objects)
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if (region_id < object->region_volumes.size() && ! object->region_volumes[region_id].empty())
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invalidated |= object->invalidate_state_by_config_options(diff);
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}
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other_region_configs.emplace_back(this_region_config);
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}
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}
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}
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exit_for_rearrange_regions:
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if (rearrange_regions) {
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// The current subdivision of regions does not make sense anymore.
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// We need to remove all objects and re-add them.
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ModelObjectPtrs model_objects;
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model_objects.reserve(this->objects.size());
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for (PrintObject *object : this->objects)
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model_objects.push_back(object->model_object());
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this->clear_objects();
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for (ModelObject *mo : model_objects) {
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this->add_model_object(mo);
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// Update layer_height_profile from the main thread as it may pull the data from the associated ModelObject.
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this->objects.back()->update_layer_height_profile();
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}
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invalidated = true;
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} else {
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// Check validity of the layer height profiles.
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for (PrintObject *object : this->objects) {
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if (! object->layer_height_profile_valid) {
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// The layer_height_profile is not valid for some reason (updated by the user or invalidated due to some option change).
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// Start slicing of this object from scratch.
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object->invalidate_all_steps();
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// Following line sets the layer_height_profile_valid flag.
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object->update_layer_height_profile();
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invalidated = true;
|
||
} else if (! step_done(posSlice)) {
|
||
// Update layer_height_profile from the main thread as it may pull the data from the associated ModelObject.
|
||
// Only update if the slicing was not finished yet.
|
||
object->update_layer_height_profile();
|
||
}
|
||
}
|
||
}
|
||
|
||
return invalidated;
|
||
}
|
||
|
||
bool Print::has_infinite_skirt() const
|
||
{
|
||
return (this->config.skirt_height == -1 && this->config.skirts > 0)
|
||
|| (this->config.ooze_prevention && this->extruders().size() > 1);
|
||
}
|
||
|
||
bool Print::has_skirt() const
|
||
{
|
||
return (this->config.skirt_height > 0 && this->config.skirts > 0)
|
||
|| this->has_infinite_skirt();
|
||
}
|
||
|
||
std::string Print::validate() const
|
||
{
|
||
if (this->config.complete_objects) {
|
||
// Check horizontal clearance.
|
||
{
|
||
Polygons convex_hulls_other;
|
||
for (PrintObject *object : this->objects) {
|
||
// Get convex hull of all meshes assigned to this print object
|
||
// (this is the same as model_object()->raw_mesh.convex_hull()
|
||
// but probably more efficient.
|
||
Polygon convex_hull;
|
||
{
|
||
Polygons mesh_convex_hulls;
|
||
for (const std::vector<int> &volumes : object->region_volumes)
|
||
for (int volume_id : volumes)
|
||
mesh_convex_hulls.emplace_back(object->model_object()->volumes[volume_id]->mesh.convex_hull());
|
||
// make a single convex hull for all of them
|
||
convex_hull = Slic3r::Geometry::convex_hull(mesh_convex_hulls);
|
||
}
|
||
// Apply the same transformations we apply to the actual meshes when slicing them.
|
||
object->model_object()->instances.front()->transform_polygon(&convex_hull);
|
||
// Grow convex hull with the clearance margin.
|
||
convex_hull = offset(convex_hull, scale_(this->config.extruder_clearance_radius.value)/2, jtRound, scale_(0.1)).front();
|
||
// Now we check that no instance of convex_hull intersects any of the previously checked object instances.
|
||
for (const Point © : object->_shifted_copies) {
|
||
Polygon p = convex_hull;
|
||
p.translate(copy);
|
||
if (! intersection(convex_hulls_other, p).empty())
|
||
return "Some objects are too close; your extruder will collide with them.";
|
||
polygons_append(convex_hulls_other, p);
|
||
}
|
||
}
|
||
}
|
||
// Check vertical clearance.
|
||
{
|
||
std::vector<coord_t> object_height;
|
||
for (const PrintObject *object : this->objects)
|
||
object_height.insert(object_height.end(), object->copies().size(), object->size.z);
|
||
std::sort(object_height.begin(), object_height.end());
|
||
// Ignore the tallest *copy* (this is why we repeat height for all of them):
|
||
// it will be printed as last one so its height doesn't matter.
|
||
object_height.pop_back();
|
||
if (! object_height.empty() && object_height.back() > scale_(this->config.extruder_clearance_height.value))
|
||
return "Some objects are too tall and cannot be printed without extruder collisions.";
|
||
}
|
||
} // end if (this->config.complete_objects)
|
||
|
||
if (this->config.spiral_vase) {
|
||
size_t total_copies_count = 0;
|
||
for (const PrintObject *object : this->objects)
|
||
total_copies_count += object->copies().size();
|
||
if (total_copies_count > 1)
|
||
return "The Spiral Vase option can only be used when printing a single object.";
|
||
if (this->regions.size() > 1)
|
||
return "The Spiral Vase option can only be used when printing single material objects.";
|
||
}
|
||
|
||
{
|
||
// find the smallest nozzle diameter
|
||
std::vector<unsigned int> extruders = this->extruders();
|
||
if (extruders.empty())
|
||
return "The supplied settings will cause an empty print.";
|
||
|
||
std::vector<double> nozzle_diameters;
|
||
for (unsigned int extruder_id : extruders)
|
||
nozzle_diameters.push_back(this->config.nozzle_diameter.get_at(extruder_id));
|
||
double min_nozzle_diameter = *std::min_element(nozzle_diameters.begin(), nozzle_diameters.end());
|
||
|
||
for (PrintObject *object : this->objects) {
|
||
if ((object->config.support_material_extruder == -1 || object->config.support_material_interface_extruder == -1) &&
|
||
(object->config.raft_layers > 0 || object->config.support_material.value)) {
|
||
// The object has some form of support and either support_material_extruder or support_material_interface_extruder
|
||
// will be printed with the current tool without a forced tool change. Play safe, assert that all object nozzles
|
||
// are of the same diameter.
|
||
if (nozzle_diameters.size() > 1)
|
||
return "Printing with multiple extruders of differing nozzle diameters. "
|
||
"If support is to be printed with the current extruder (support_material_extruder == 0 or support_material_interface_extruder == 0), "
|
||
"all nozzles have to be of the same diameter.";
|
||
}
|
||
|
||
// validate first_layer_height
|
||
double first_layer_height = object->config.get_abs_value("first_layer_height");
|
||
double first_layer_min_nozzle_diameter;
|
||
if (object->config.raft_layers > 0) {
|
||
// if we have raft layers, only support material extruder is used on first layer
|
||
size_t first_layer_extruder = object->config.raft_layers == 1
|
||
? object->config.support_material_interface_extruder-1
|
||
: object->config.support_material_extruder-1;
|
||
first_layer_min_nozzle_diameter = (first_layer_extruder == size_t(-1)) ?
|
||
min_nozzle_diameter :
|
||
this->config.nozzle_diameter.get_at(first_layer_extruder);
|
||
} else {
|
||
// if we don't have raft layers, any nozzle diameter is potentially used in first layer
|
||
first_layer_min_nozzle_diameter = min_nozzle_diameter;
|
||
}
|
||
if (first_layer_height > first_layer_min_nozzle_diameter)
|
||
return "First layer height can't be greater than nozzle diameter";
|
||
|
||
// validate layer_height
|
||
if (object->config.layer_height.value > min_nozzle_diameter)
|
||
return "Layer height can't be greater than nozzle diameter";
|
||
}
|
||
}
|
||
|
||
return std::string();
|
||
}
|
||
|
||
// the bounding box of objects placed in copies position
|
||
// (without taking skirt/brim/support material into account)
|
||
BoundingBox Print::bounding_box() const
|
||
{
|
||
BoundingBox bb;
|
||
for (const PrintObject *object : this->objects)
|
||
for (Point copy : object->_shifted_copies) {
|
||
bb.merge(copy);
|
||
copy.translate(object->size);
|
||
bb.merge(copy);
|
||
}
|
||
return bb;
|
||
}
|
||
|
||
// the total bounding box of extrusions, including skirt/brim/support material
|
||
// this methods needs to be called even when no steps were processed, so it should
|
||
// only use configuration values
|
||
BoundingBox Print::total_bounding_box() const
|
||
{
|
||
// get objects bounding box
|
||
BoundingBox bb = this->bounding_box();
|
||
|
||
// we need to offset the objects bounding box by at least half the perimeters extrusion width
|
||
Flow perimeter_flow = this->objects.front()->get_layer(0)->get_region(0)->flow(frPerimeter);
|
||
double extra = perimeter_flow.width/2;
|
||
|
||
// consider support material
|
||
if (this->has_support_material()) {
|
||
extra = std::max(extra, SUPPORT_MATERIAL_MARGIN);
|
||
}
|
||
|
||
// consider brim and skirt
|
||
if (this->config.brim_width.value > 0) {
|
||
Flow brim_flow = this->brim_flow();
|
||
extra = std::max(extra, this->config.brim_width.value + brim_flow.width/2);
|
||
}
|
||
if (this->has_skirt()) {
|
||
int skirts = this->config.skirts.value;
|
||
if (skirts == 0 && this->has_infinite_skirt()) skirts = 1;
|
||
Flow skirt_flow = this->skirt_flow();
|
||
extra = std::max(
|
||
extra,
|
||
this->config.brim_width.value
|
||
+ this->config.skirt_distance.value
|
||
+ skirts * skirt_flow.spacing()
|
||
+ skirt_flow.width/2
|
||
);
|
||
}
|
||
|
||
if (extra > 0)
|
||
bb.offset(scale_(extra));
|
||
|
||
return bb;
|
||
}
|
||
|
||
double Print::skirt_first_layer_height() const
|
||
{
|
||
if (this->objects.empty()) CONFESS("skirt_first_layer_height() can't be called without PrintObjects");
|
||
return this->objects.front()->config.get_abs_value("first_layer_height");
|
||
}
|
||
|
||
Flow Print::brim_flow() const
|
||
{
|
||
ConfigOptionFloatOrPercent width = this->config.first_layer_extrusion_width;
|
||
if (width.value == 0) width = this->regions.front()->config.perimeter_extrusion_width;
|
||
|
||
/* We currently use a random region's perimeter extruder.
|
||
While this works for most cases, we should probably consider all of the perimeter
|
||
extruders and take the one with, say, the smallest index.
|
||
The same logic should be applied to the code that selects the extruder during G-code
|
||
generation as well. */
|
||
return Flow::new_from_config_width(
|
||
frPerimeter,
|
||
width,
|
||
this->config.nozzle_diameter.get_at(this->regions.front()->config.perimeter_extruder-1),
|
||
this->skirt_first_layer_height(),
|
||
0
|
||
);
|
||
}
|
||
|
||
Flow Print::skirt_flow() const
|
||
{
|
||
ConfigOptionFloatOrPercent width = this->config.first_layer_extrusion_width;
|
||
if (width.value == 0) width = this->regions.front()->config.perimeter_extrusion_width;
|
||
|
||
/* We currently use a random object's support material extruder.
|
||
While this works for most cases, we should probably consider all of the support material
|
||
extruders and take the one with, say, the smallest index;
|
||
The same logic should be applied to the code that selects the extruder during G-code
|
||
generation as well. */
|
||
return Flow::new_from_config_width(
|
||
frPerimeter,
|
||
width,
|
||
this->config.nozzle_diameter.get_at(this->objects.front()->config.support_material_extruder-1),
|
||
this->skirt_first_layer_height(),
|
||
0
|
||
);
|
||
}
|
||
|
||
PrintRegionConfig Print::_region_config_from_model_volume(const ModelVolume &volume)
|
||
{
|
||
PrintRegionConfig config = this->default_region_config;
|
||
normalize_and_apply_config(config, volume.get_object()->config);
|
||
normalize_and_apply_config(config, volume.config);
|
||
if (! volume.material_id().empty())
|
||
normalize_and_apply_config(config, volume.material()->config);
|
||
return config;
|
||
}
|
||
|
||
bool Print::has_support_material() const
|
||
{
|
||
for (const PrintObject *object : this->objects)
|
||
if (object->has_support_material())
|
||
return true;
|
||
return false;
|
||
}
|
||
|
||
/* This method assigns extruders to the volumes having a material
|
||
but not having extruders set in the volume config. */
|
||
void Print::auto_assign_extruders(ModelObject* model_object) const
|
||
{
|
||
// only assign extruders if object has more than one volume
|
||
if (model_object->volumes.size() < 2)
|
||
return;
|
||
|
||
// size_t extruders = this->config.nozzle_diameter.values.size();
|
||
for (size_t volume_id = 0; volume_id < model_object->volumes.size(); ++ volume_id) {
|
||
ModelVolume *volume = model_object->volumes[volume_id];
|
||
//FIXME Vojtech: This assigns an extruder ID even to a modifier volume, if it has a material assigned.
|
||
if (! volume->material_id().empty() && ! volume->config.has("extruder"))
|
||
volume->config.opt<ConfigOptionInt>("extruder", true)->value = int(volume_id + 1);
|
||
}
|
||
}
|
||
|
||
void Print::_make_skirt()
|
||
{
|
||
// First off we need to decide how tall the skirt must be.
|
||
// The skirt_height option from config is expressed in layers, but our
|
||
// object might have different layer heights, so we need to find the print_z
|
||
// of the highest layer involved.
|
||
// Note that unless has_infinite_skirt() == true
|
||
// the actual skirt might not reach this $skirt_height_z value since the print
|
||
// order of objects on each layer is not guaranteed and will not generally
|
||
// include the thickest object first. It is just guaranteed that a skirt is
|
||
// prepended to the first 'n' layers (with 'n' = skirt_height).
|
||
// $skirt_height_z in this case is the highest possible skirt height for safety.
|
||
coordf_t skirt_height_z = 0.;
|
||
for (const PrintObject *object : this->objects) {
|
||
size_t skirt_layers = this->has_infinite_skirt() ?
|
||
object->layer_count() :
|
||
std::min(size_t(this->config.skirt_height.value), object->layer_count());
|
||
skirt_height_z = std::max(skirt_height_z, object->layers[skirt_layers-1]->print_z);
|
||
}
|
||
|
||
// Collect points from all layers contained in skirt height.
|
||
Points points;
|
||
for (const PrintObject *object : this->objects) {
|
||
Points object_points;
|
||
// Get object layers up to skirt_height_z.
|
||
for (const Layer *layer : object->layers) {
|
||
if (layer->print_z > skirt_height_z)
|
||
break;
|
||
for (const ExPolygon &expoly : layer->slices.expolygons)
|
||
// Collect the outer contour points only, ignore holes for the calculation of the convex hull.
|
||
append(object_points, expoly.contour.points);
|
||
}
|
||
// Get support layers up to skirt_height_z.
|
||
for (const SupportLayer *layer : object->support_layers) {
|
||
if (layer->print_z > skirt_height_z)
|
||
break;
|
||
for (const ExtrusionEntity *extrusion_entity : layer->support_fills.entities)
|
||
append(object_points, extrusion_entity->as_polyline().points);
|
||
}
|
||
// Repeat points for each object copy.
|
||
for (const Point &shift : object->_shifted_copies) {
|
||
Points copy_points = object_points;
|
||
for (Point &pt : copy_points)
|
||
pt.translate(shift);
|
||
append(points, copy_points);
|
||
}
|
||
}
|
||
|
||
if (points.size() < 3)
|
||
// At least three points required for a convex hull.
|
||
return;
|
||
|
||
Polygon convex_hull = Slic3r::Geometry::convex_hull(points);
|
||
|
||
// Skirt may be printed on several layers, having distinct layer heights,
|
||
// but loops must be aligned so can't vary width/spacing
|
||
// TODO: use each extruder's own flow
|
||
double first_layer_height = this->skirt_first_layer_height();
|
||
Flow flow = this->skirt_flow();
|
||
float spacing = flow.spacing();
|
||
double mm3_per_mm = flow.mm3_per_mm();
|
||
|
||
std::vector<size_t> extruders;
|
||
std::vector<double> extruders_e_per_mm;
|
||
{
|
||
auto set_extruders = this->extruders();
|
||
extruders.reserve(set_extruders.size());
|
||
extruders_e_per_mm.reserve(set_extruders.size());
|
||
for (auto &extruder_id : set_extruders) {
|
||
extruders.push_back(extruder_id);
|
||
GCodeConfig config;
|
||
config.apply(this->config, true);
|
||
extruders_e_per_mm.push_back(Extruder((unsigned int)extruder_id, &config).e_per_mm(mm3_per_mm));
|
||
}
|
||
}
|
||
|
||
// Number of skirt loops per skirt layer.
|
||
int n_skirts = this->config.skirts.value;
|
||
if (this->has_infinite_skirt() && n_skirts == 0)
|
||
n_skirts = 1;
|
||
|
||
// Initial offset of the brim inner edge from the object (possible with a support & raft).
|
||
// The skirt will touch the brim if the brim is extruded.
|
||
coord_t distance = scale_(std::max(this->config.skirt_distance.value, this->config.brim_width.value));
|
||
// Draw outlines from outside to inside.
|
||
// Loop while we have less skirts than required or any extruder hasn't reached the min length if any.
|
||
std::vector<coordf_t> extruded_length(extruders.size(), 0.);
|
||
for (int i = n_skirts, extruder_idx = 0; i > 0; -- i) {
|
||
// Offset the skirt outside.
|
||
distance += coord_t(scale_(spacing));
|
||
// Generate the skirt centerline.
|
||
Polygon loop;
|
||
{
|
||
Polygons loops = offset(convex_hull, distance, ClipperLib::jtRound, scale_(0.1));
|
||
Geometry::simplify_polygons(loops, scale_(0.05), &loops);
|
||
loop = loops.front();
|
||
}
|
||
// Extrude the skirt loop.
|
||
ExtrusionLoop eloop(elrSkirt);
|
||
eloop.paths.emplace_back(ExtrusionPath(
|
||
ExtrusionPath(
|
||
erSkirt,
|
||
mm3_per_mm, // this will be overridden at G-code export time
|
||
flow.width,
|
||
first_layer_height // this will be overridden at G-code export time
|
||
)));
|
||
eloop.paths.back().polyline = loop.split_at_first_point();
|
||
this->skirt.append(eloop);
|
||
if (this->config.min_skirt_length.value > 0) {
|
||
// The skirt length is limited. Sum the total amount of filament length extruded, in mm.
|
||
extruded_length[extruder_idx] += unscale(loop.length()) * extruders_e_per_mm[extruder_idx];
|
||
if (extruded_length[extruder_idx] < this->config.min_skirt_length.value) {
|
||
// Not extruded enough yet with the current extruder. Add another loop.
|
||
if (i == 1)
|
||
++ i;
|
||
} else {
|
||
assert(extruded_length[extruder_idx] >= this->config.min_skirt_length.value);
|
||
// Enough extruded with the current extruder. Extrude with the next one,
|
||
// until the prescribed number of skirt loops is extruded.
|
||
if (extruder_idx + 1 < extruders.size())
|
||
++ extruder_idx;
|
||
}
|
||
} else {
|
||
// The skirt lenght is not limited, extrude the skirt with the 1st extruder only.
|
||
}
|
||
}
|
||
// Brims were generated inside out, reverse to print the outmost contour first.
|
||
this->skirt.reverse();
|
||
}
|
||
|
||
// Wipe tower support.
|
||
bool Print::has_wipe_tower()
|
||
{
|
||
return
|
||
this->config.single_extruder_multi_material.value &&
|
||
! this->config.spiral_vase.value &&
|
||
this->config.wipe_tower.value &&
|
||
this->config.nozzle_diameter.values.size() > 1;
|
||
}
|
||
|
||
void Print::_clear_wipe_tower()
|
||
{
|
||
m_tool_ordering.clear();
|
||
m_wipe_tower_tool_changes.clear();
|
||
m_wipe_tower_final_purge.reset(nullptr);
|
||
}
|
||
|
||
void Print::_make_wipe_tower()
|
||
{
|
||
this->_clear_wipe_tower();
|
||
if (! this->has_wipe_tower())
|
||
return;
|
||
|
||
m_tool_ordering = ToolOrdering(*this, (unsigned int)-1);
|
||
unsigned int initial_extruder_id = m_tool_ordering.first_extruder();
|
||
if (initial_extruder_id == (unsigned int)-1 || m_tool_ordering.front().wipe_tower_partitions == 0)
|
||
// Don't generate any wipe tower.
|
||
return;
|
||
|
||
// Initialize the wipe tower.
|
||
WipeTowerPrusaMM wipe_tower(
|
||
float(this->config.wipe_tower_x.value), float(this->config.wipe_tower_y.value),
|
||
float(this->config.wipe_tower_width.value), float(this->config.wipe_tower_per_color_wipe.value),
|
||
initial_extruder_id);
|
||
|
||
//wipe_tower.set_retract();
|
||
//wipe_tower.set_zhop();
|
||
//wipe_tower.set_zhop();
|
||
|
||
// Set the extruder & material properties at the wipe tower object.
|
||
for (size_t i = 0; i < 4; ++ i)
|
||
wipe_tower.set_extruder(
|
||
i,
|
||
WipeTowerPrusaMM::parse_material(this->config.filament_type.get_at(i).c_str()),
|
||
this->config.temperature.get_at(i),
|
||
this->config.first_layer_temperature.get_at(i));
|
||
|
||
// Generate the wipe tower layers.
|
||
m_wipe_tower_tool_changes.reserve(m_tool_ordering.layer_tools().size());
|
||
unsigned int current_extruder_id = initial_extruder_id;
|
||
for (const ToolOrdering::LayerTools &layer_tools : m_tool_ordering.layer_tools()) {
|
||
if (! layer_tools.has_wipe_tower)
|
||
// This is a support only layer, or the wipe tower does not reach to this height.
|
||
continue;
|
||
bool first_layer = &layer_tools == &m_tool_ordering.front();
|
||
bool last_layer = &layer_tools == &m_tool_ordering.back() || (&layer_tools + 1)->wipe_tower_partitions == 0;
|
||
wipe_tower.set_layer(
|
||
float(layer_tools.print_z),
|
||
float(first_layer ?
|
||
this->objects.front()->config.first_layer_height.get_abs_value(this->objects.front()->config.layer_height.value) :
|
||
this->objects.front()->config.layer_height.value),
|
||
layer_tools.wipe_tower_partitions,
|
||
first_layer,
|
||
last_layer);
|
||
std::vector<WipeTower::ToolChangeResult> tool_changes;
|
||
for (unsigned int extruder_id : layer_tools.extruders)
|
||
if ((first_layer && extruder_id == initial_extruder_id) || extruder_id != current_extruder_id) {
|
||
tool_changes.emplace_back(wipe_tower.tool_change(extruder_id, extruder_id == layer_tools.extruders.back(), WipeTower::PURPOSE_EXTRUDE));
|
||
current_extruder_id = extruder_id;
|
||
}
|
||
if (! wipe_tower.layer_finished()) {
|
||
tool_changes.emplace_back(wipe_tower.finish_layer(WipeTower::PURPOSE_EXTRUDE));
|
||
if (tool_changes.size() > 1) {
|
||
// Merge the two last tool changes into one.
|
||
WipeTower::ToolChangeResult &tc1 = tool_changes[tool_changes.size() - 2];
|
||
WipeTower::ToolChangeResult &tc2 = tool_changes.back();
|
||
if (tc1.end_pos != tc2.start_pos) {
|
||
// Add a travel move from tc1.end_pos to tc2.start_pos.
|
||
char buf[2048];
|
||
sprintf(buf, "G1 X%.3f Y%.3f F7200\n", tc2.start_pos.x, tc2.start_pos.y);
|
||
tc1.gcode += buf;
|
||
}
|
||
tc1.gcode += tc2.gcode;
|
||
append(tc1.extrusions, tc2.extrusions);
|
||
tc1.end_pos = tc2.end_pos;
|
||
tool_changes.pop_back();
|
||
}
|
||
}
|
||
m_wipe_tower_tool_changes.emplace_back(std::move(tool_changes));
|
||
if (last_layer)
|
||
break;
|
||
}
|
||
|
||
// Unload the current filament over the purge tower.
|
||
coordf_t layer_height = this->objects.front()->config.layer_height.value;
|
||
if (m_tool_ordering.back().wipe_tower_partitions > 0) {
|
||
// The wipe tower goes up to the last layer of the print.
|
||
if (wipe_tower.layer_finished()) {
|
||
// The wipe tower is printed to the top of the print and it has no space left for the final extruder purge.
|
||
// Lift Z to the next layer.
|
||
wipe_tower.set_layer(float(m_tool_ordering.back().print_z + layer_height), float(layer_height), 0, false, true);
|
||
} else {
|
||
// There is yet enough space at this layer of the wipe tower for the final purge.
|
||
}
|
||
} else {
|
||
// The wipe tower does not reach the last print layer, perform the pruge at the last print layer.
|
||
assert(m_tool_ordering.back().wipe_tower_partitions == 0);
|
||
wipe_tower.set_layer(float(m_tool_ordering.back().print_z), float(layer_height), 0, false, true);
|
||
}
|
||
m_wipe_tower_final_purge = Slic3r::make_unique<WipeTower::ToolChangeResult>(
|
||
wipe_tower.tool_change(-1, false, WipeTower::PURPOSE_EXTRUDE));
|
||
}
|
||
|
||
std::string Print::output_filename()
|
||
{
|
||
this->placeholder_parser.update_timestamp();
|
||
return this->placeholder_parser.process(this->config.output_filename_format.value);
|
||
}
|
||
|
||
std::string Print::output_filepath(const std::string &path)
|
||
{
|
||
// if we were supplied no path, generate an automatic one based on our first object's input file
|
||
if (path.empty()) {
|
||
// get the first input file name
|
||
std::string input_file;
|
||
for (const PrintObject *object : this->objects) {
|
||
input_file = object->model_object()->input_file;
|
||
if (! input_file.empty())
|
||
break;
|
||
}
|
||
return (boost::filesystem::path(input_file).parent_path() / this->output_filename()).string();
|
||
}
|
||
|
||
// if we were supplied a directory, use it and append our automatically generated filename
|
||
boost::filesystem::path p(path);
|
||
if (boost::filesystem::is_directory(p))
|
||
return (p / this->output_filename()).string();
|
||
|
||
// if we were supplied a file which is not a directory, use it
|
||
return path;
|
||
}
|
||
|
||
}
|