170 lines
10 KiB
C++
170 lines
10 KiB
C++
#pragma once
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#include "../libslic3r.h"
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#include "../Flow.hpp"
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#include "../PrintConfig.hpp"
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#include "../Slicing.hpp"
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#include "../Fill/FillBase.hpp"
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#include "../Print.hpp"
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#include "../Layer.hpp"
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#include "SupportLayer.hpp"
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namespace Slic3r {
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struct SupportParameters {
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SupportParameters(const PrintObject& object)
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{
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const PrintConfig& print_config = object.print()->config();
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const PrintObjectConfig& object_config = object.config();
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const SlicingParameters& slicing_params = object.slicing_parameters();
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this->soluble_interface = slicing_params.soluble_interface;
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this->soluble_interface_non_soluble_base =
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// Zero z-gap between the overhangs and the support interface.
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slicing_params.soluble_interface &&
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// Interface extruder soluble.
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object_config.support_interface_filament.value > 0 && print_config.filament_soluble.get_at(object_config.support_interface_filament.value - 1) &&
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// Base extruder: Either "print with active extruder" not soluble.
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(object_config.support_filament.value == 0 || ! print_config.filament_soluble.get_at(object_config.support_filament.value - 1));
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{
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this->num_top_interface_layers = std::max(0, object_config.support_interface_top_layers.value);
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this->num_bottom_interface_layers = object_config.support_interface_bottom_layers < 0 ?
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num_top_interface_layers : object_config.support_interface_bottom_layers;
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this->has_top_contacts = num_top_interface_layers > 0;
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this->has_bottom_contacts = num_bottom_interface_layers > 0;
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if (this->soluble_interface_non_soluble_base) {
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// Try to support soluble dense interfaces with non-soluble dense interfaces.
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this->num_top_base_interface_layers = size_t(std::min(int(num_top_interface_layers) / 2, 2));
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this->num_bottom_base_interface_layers = size_t(std::min(int(num_bottom_interface_layers) / 2, 2));
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} else {
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this->num_top_base_interface_layers = 0;
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this->num_bottom_base_interface_layers = 0;
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}
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}
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this->first_layer_flow = Slic3r::support_material_1st_layer_flow(&object, float(slicing_params.first_print_layer_height));
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this->support_material_flow = Slic3r::support_material_flow(&object, float(slicing_params.layer_height));
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this->support_material_interface_flow = Slic3r::support_material_interface_flow(&object, float(slicing_params.layer_height));
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// Calculate a minimum support layer height as a minimum over all extruders, but not smaller than 10um.
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this->support_layer_height_min = scaled<coord_t>(0.01);
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for (auto lh : print_config.min_layer_height.values)
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this->support_layer_height_min = std::min(this->support_layer_height_min, std::max(0.01, lh));
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for (auto layer : object.layers())
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this->support_layer_height_min = std::min(this->support_layer_height_min, std::max(0.01, layer->height));
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if (object_config.support_interface_top_layers.value == 0) {
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// No interface layers allowed, print everything with the base support pattern.
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this->support_material_interface_flow = this->support_material_flow;
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}
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// Evaluate the XY gap between the object outer perimeters and the support structures.
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// Evaluate the XY gap between the object outer perimeters and the support structures.
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coordf_t external_perimeter_width = 0.;
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coordf_t bridge_flow_ratio = 0;
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for (size_t region_id = 0; region_id < object.num_printing_regions(); ++region_id) {
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const PrintRegion& region = object.printing_region(region_id);
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external_perimeter_width = std::max(external_perimeter_width, coordf_t(region.flow(object, frExternalPerimeter, slicing_params.layer_height).width()));
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bridge_flow_ratio += region.config().bridge_flow;
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}
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this->gap_xy = object_config.support_object_xy_distance.value;
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this->gap_xy_first_layer = object_config.support_object_first_layer_gap.value;
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bridge_flow_ratio /= object.num_printing_regions();
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this->support_material_bottom_interface_flow = slicing_params.soluble_interface || !object_config.thick_bridges ?
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this->support_material_interface_flow.with_flow_ratio(bridge_flow_ratio) :
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Flow::bridging_flow(bridge_flow_ratio * this->support_material_interface_flow.nozzle_diameter(), this->support_material_interface_flow.nozzle_diameter());
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this->can_merge_support_regions = object_config.support_filament.value == object_config.support_interface_filament.value;
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if (!this->can_merge_support_regions && (object_config.support_filament.value == 0 || object_config.support_interface_filament.value == 0)) {
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// One of the support extruders is of "don't care" type.
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auto object_extruders = object.object_extruders();
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if (object_extruders.size() == 1 &&
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// object_extruders are 0-based but object_config.support_filament's are 1-based
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object_extruders[0] + 1 == std::max<unsigned int>(object_config.support_filament.value, object_config.support_interface_filament.value))
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// Object is printed with the same extruder as the support.
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this->can_merge_support_regions = true;
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}
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this->base_angle = Geometry::deg2rad(float(object_config.support_angle.value));
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this->interface_angle = Geometry::deg2rad(float(object_config.support_angle.value + 90.));
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this->interface_spacing = object_config.support_interface_spacing.value + this->support_material_interface_flow.spacing();
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this->interface_density = std::min(1., this->support_material_interface_flow.spacing() / this->interface_spacing);
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this->support_spacing = object_config.support_base_pattern_spacing.value + this->support_material_flow.spacing();
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this->support_density = std::min(1., this->support_material_flow.spacing() / this->support_spacing);
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if (object_config.support_interface_top_layers.value == 0) {
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// No interface layers allowed, print everything with the base support pattern.
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this->interface_spacing = this->support_spacing;
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this->interface_density = this->support_density;
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}
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SupportMaterialPattern support_pattern = object_config.support_base_pattern;
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this->with_sheath = /*is_tree(object_config.support_type) &&*/ object_config.tree_support_wall_count > 0;
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this->base_fill_pattern =
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support_pattern == smpHoneycomb ? ipHoneycomb :
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this->support_density > 0.95 || this->with_sheath ? ipRectilinear : ipSupportBase;
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this->interface_fill_pattern = (this->interface_density > 0.95 ? ipRectilinear : ipSupportBase);
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if (object_config.support_interface_pattern == smipGrid)
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this->contact_fill_pattern = ipGrid;
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else if (object_config.support_interface_pattern == smipRectilinearInterlaced)
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this->contact_fill_pattern = ipRectilinear;
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else
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this->contact_fill_pattern =
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(object_config.support_interface_pattern == smipAuto && slicing_params.soluble_interface) ||
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object_config.support_interface_pattern == smipConcentric ?
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ipConcentric :
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(this->interface_density > 0.95 ? ipRectilinear : ipSupportBase);
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}
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// Both top / bottom contacts and interfaces are soluble.
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bool soluble_interface;
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// Support contact & interface are soluble, but support base is non-soluble.
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bool soluble_interface_non_soluble_base;
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// Is there at least a top contact layer extruded above support base?
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bool has_top_contacts;
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// Is there at least a bottom contact layer extruded below support base?
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bool has_bottom_contacts;
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// Number of top interface layers without counting the contact layer.
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size_t num_top_interface_layers;
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// Number of bottom interface layers without counting the contact layer.
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size_t num_bottom_interface_layers;
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// Number of top base interface layers. Zero if not soluble_interface_non_soluble_base.
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size_t num_top_base_interface_layers;
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// Number of bottom base interface layers. Zero if not soluble_interface_non_soluble_base.
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size_t num_bottom_base_interface_layers;
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bool has_contacts() const { return this->has_top_contacts || this->has_bottom_contacts; }
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bool has_interfaces() const { return this->num_top_interface_layers + this->num_bottom_interface_layers > 0; }
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bool has_base_interfaces() const { return this->num_top_base_interface_layers + this->num_bottom_base_interface_layers > 0; }
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size_t num_top_interface_layers_only() const { return this->num_top_interface_layers - this->num_top_base_interface_layers; }
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size_t num_bottom_interface_layers_only() const { return this->num_bottom_interface_layers - this->num_bottom_base_interface_layers; }
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Flow first_layer_flow;
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Flow support_material_flow;
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Flow support_material_interface_flow;
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Flow support_material_bottom_interface_flow;
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coordf_t support_extrusion_width;
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// Is merging of regions allowed? Could the interface & base support regions be printed with the same extruder?
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bool can_merge_support_regions;
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coordf_t support_layer_height_min;
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// coordf_t support_layer_height_max;
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coordf_t gap_xy;
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coordf_t gap_xy_first_layer;
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float base_angle;
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float interface_angle;
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coordf_t interface_spacing;
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coordf_t support_expansion=0;
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coordf_t interface_density;
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coordf_t support_spacing;
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coordf_t support_density;
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InfillPattern base_fill_pattern;
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InfillPattern interface_fill_pattern;
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InfillPattern contact_fill_pattern;
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bool with_sheath;
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bool independent_layer_height = false;
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const double thresh_big_overhang = Slic3r::sqr(scale_(10));
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};
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} // namespace Slic3r
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