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43f2171446
Exceptions thrown by Flow calculation were made explicit classes derived from std::invalid_argument. The PresetHints::recommended_thin_wall_thickness() newly catches these exceptions and it shows the reason of why the hint is invalid.
110 lines
4.2 KiB
C++
110 lines
4.2 KiB
C++
#ifndef slic3r_Flow_hpp_
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#define slic3r_Flow_hpp_
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#include "libslic3r.h"
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#include "Config.hpp"
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#include "ExtrusionEntity.hpp"
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namespace Slic3r {
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class PrintObject;
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// Extra spacing of bridge threads, in mm.
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#define BRIDGE_EXTRA_SPACING 0.05
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// Overlap factor of perimeter lines. Currently no overlap.
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#ifdef HAS_PERIMETER_LINE_OVERLAP
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#define PERIMETER_LINE_OVERLAP_FACTOR 1.0
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#endif
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enum FlowRole {
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frExternalPerimeter,
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frPerimeter,
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frInfill,
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frSolidInfill,
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frTopSolidInfill,
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frSupportMaterial,
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frSupportMaterialInterface,
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};
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class FlowError : public std::invalid_argument
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{
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public:
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FlowError(const std::string& what_arg) : invalid_argument(what_arg) {}
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FlowError(const char* what_arg) : invalid_argument(what_arg) {}
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};
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class FlowErrorNegativeSpacing : public FlowError
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{
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public:
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FlowErrorNegativeSpacing();
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};
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class FlowErrorNegativeFlow : public FlowError
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{
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public:
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FlowErrorNegativeFlow();
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};
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class FlowErrorMissingVariable : public FlowError
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{
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public:
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FlowErrorMissingVariable(const std::string& what_arg) : FlowError(what_arg) {}
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};
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class Flow
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{
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public:
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// Non bridging flow: Maximum width of an extrusion with semicircles at the ends.
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// Bridging flow: Bridge thread diameter.
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float width;
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// Non bridging flow: Layer height.
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// Bridging flow: Bridge thread diameter = layer height.
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float height;
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// Nozzle diameter.
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float nozzle_diameter;
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// Is it a bridge?
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bool bridge;
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Flow(float _w, float _h, float _nd, bool _bridge = false) :
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width(_w), height(_h), nozzle_diameter(_nd), bridge(_bridge) {}
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float spacing() const;
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float spacing(const Flow &other) const;
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double mm3_per_mm() const;
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coord_t scaled_width() const { return coord_t(scale_(this->width)); }
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coord_t scaled_spacing() const { return coord_t(scale_(this->spacing())); }
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coord_t scaled_spacing(const Flow &other) const { return coord_t(scale_(this->spacing(other))); }
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// Elephant foot compensation spacing to be used to detect narrow parts, where the elephant foot compensation cannot be applied.
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// To be used on frExternalPerimeter only.
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// Enable some perimeter squish (see INSET_OVERLAP_TOLERANCE).
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// Here an overlap of 0.2x external perimeter spacing is allowed for by the elephant foot compensation.
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coord_t scaled_elephant_foot_spacing() const { return coord_t(0.5f * float(this->scaled_width() + 0.6f * this->scaled_spacing())); }
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bool operator==(const Flow &rhs) const { return this->width == rhs.width && this->height == rhs.height && this->nozzle_diameter == rhs.nozzle_diameter && this->bridge == rhs.bridge; }
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static Flow new_from_config_width(FlowRole role, const ConfigOptionFloatOrPercent &width, float nozzle_diameter, float height, float bridge_flow_ratio);
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// Create a flow from the spacing of extrusion lines.
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// This method is used exclusively to calculate new flow of 100% infill, where the extrusion width was allowed to scale
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// to fit a region with integer number of lines.
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static Flow new_from_spacing(float spacing, float nozzle_diameter, float height, bool bridge);
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// Sane extrusion width defautl based on nozzle diameter.
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// The defaults were derived from manual Prusa MK3 profiles.
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static float auto_extrusion_width(FlowRole role, float nozzle_diameter);
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// Extrusion width from full config, taking into account the defaults (when set to zero) and ratios (percentages).
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// Precise value depends on layer index (1st layer vs. other layers vs. variable layer height),
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// on active extruder etc. Therefore the value calculated by this function shall be used as a hint only.
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static double extrusion_width(const std::string &opt_key, const ConfigOptionFloatOrPercent *opt, const ConfigOptionResolver &config, const unsigned int first_printing_extruder = 0);
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static double extrusion_width(const std::string &opt_key, const ConfigOptionResolver &config, const unsigned int first_printing_extruder = 0);
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};
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extern Flow support_material_flow(const PrintObject *object, float layer_height = 0.f);
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extern Flow support_material_1st_layer_flow(const PrintObject *object, float layer_height = 0.f);
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extern Flow support_material_interface_flow(const PrintObject *object, float layer_height = 0.f);
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}
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#endif
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