3DPrinting/PrusaSlicer-NonPlainar
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Added a lot of debugging outputs (SVG) into SkeletalTrapezoidation.

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This commit is contained in:
Lukáš Hejl 2022-08-10 16:25:15 +02:00
parent 4d19eb9ace
commit e838acdcd1
4 changed files with 186 additions and 25 deletions

35
src/libslic3r/PerimeterGenerator.cpp
View file

@ -12,6 +12,13 @@
#include <stack>
#include <unordered_map>
//#define ARACHNE_DEBUG
#ifdef ARACHNE_DEBUG
#include "SVG.hpp"
#include "Utils.hpp"
#endif
namespace Slic3r {
ExtrusionPaths thick_polyline_to_extrusion_paths(const ThickPolyline &thick_polyline, ExtrusionRole role, const Flow &flow, const float tolerance, const float merge_tolerance)
@ -537,6 +544,27 @@ static ExtrusionEntityCollection traverse_extrusions(const PerimeterGenerator &p
return extrusion_coll;
}
#ifdef ARACHNE_DEBUG
static void export_perimeters_to_svg(const std::string &path, const Polygons &contours, const std::vector<Arachne::VariableWidthLines> &perimeters, const ExPolygons &infill_area)
{
coordf_t stroke_width = scale_(0.03);
BoundingBox bbox = get_extents(contours);
bbox.offset(scale_(1.));
::Slic3r::SVG svg(path.c_str(), bbox);
svg.draw(infill_area, "cyan");
for (const Arachne::VariableWidthLines &perimeter : perimeters)
for (const Arachne::ExtrusionLine &extrusion_line : perimeter) {
ThickPolyline thick_polyline = to_thick_polyline(extrusion_line);
svg.draw({thick_polyline}, "green", "blue", stroke_width);
}
for (const Line &line : to_lines(contours))
svg.draw(line, "red", stroke_width);
}
#endif
// Thanks, Cura developers, for implementing an algorithm for generating perimeters with variable width (Arachne) that is based on the paper
// "A framework for adaptive width control of dense contour-parallel toolpaths in fused deposition modeling"
void PerimeterGenerator::process_arachne()
@ -578,6 +606,13 @@ void PerimeterGenerator::process_arachne()
std::vector<Arachne::VariableWidthLines> perimeters = wallToolPaths.getToolPaths();
loop_number = int(perimeters.size()) - 1;
#ifdef ARACHNE_DEBUG
{
static int iRun = 0;
export_perimeters_to_svg(debug_out_path("arachne-perimeters-%d-%d.svg", layer_id, iRun++), to_polygons(last), perimeters, union_ex(wallToolPaths.getInnerContour()));
}
#endif
// All closed ExtrusionLine should have the same the first and the last point.
// But in rare cases, Arachne produce ExtrusionLine marked as closed but without
// equal the first and the last point.