3D-printing/OrcaSlicer
1
0
Fork 0
mirror of https://github.com/SoftFever/OrcaSlicer.git synced 2025-07-11 08:47:52 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Elephant foot compensation improvements.

Browse source 
Fix of the negative XY compensation on multi-material (or multi-region)
prints, where the negative XY compensation created gaps between parts.
This commit is contained in:
bubnikv 2019-03-05 11:54:04 +01:00
parent c56004f946
commit 5e582efc5c
5 changed files with 139 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

24
src/libslic3r/LayerRegion.cpp
View file

@ -74,7 +74,7 @@ void LayerRegion::make_perimeters(const SurfaceCollection &slices, SurfaceCollec
// Cummulative sum of polygons over all the regions.
g.lower_slices = &this->layer()->lower_layer->slices;
g.layer_id = this->layer()->id();
g.layer_id = (int)this->layer()->id();
g.ext_perimeter_flow = this->flow(frExternalPerimeter);
g.overhang_flow = this->region()->flow(frPerimeter, -1, true, false, -1, *this->layer()->object());
g.solid_infill_flow = this->flow(frSolidInfill);
@ -385,6 +385,28 @@ double LayerRegion::infill_area_threshold() const
return ss*ss;
}
void LayerRegion::trim_surfaces(const Polygons &trimming_polygons)
{
#ifndef NDEBUG
for (const Surface &surface : this->slices.surfaces)
assert(surface.surface_type == stInternal);
#endif /* NDEBUG */
this->slices.set(intersection_ex(to_polygons(std::move(this->slices.surfaces)), trimming_polygons, false), stInternal);
}
void LayerRegion::elephant_foot_compensation_step(const float elephant_foot_compensation_perimeter_step, const Polygons &trimming_polygons)
{
#ifndef NDEBUG
for (const Surface &surface : this->slices.surfaces)
assert(surface.surface_type == stInternal);
#endif /* NDEBUG */
ExPolygons slices_expolygons = to_expolygons(std::move(this->slices.surfaces));
Polygons slices_polygons = to_polygons(slices_expolygons);
Polygons tmp = intersection(slices_polygons, trimming_polygons, false);
append(tmp, diff(slices_polygons, offset(offset_ex(slices_expolygons, -elephant_foot_compensation_perimeter_step), elephant_foot_compensation_perimeter_step)));
this->slices.set(std::move(union_ex(tmp)), stInternal);
}
void LayerRegion::export_region_slices_to_svg(const char *path) const
{
BoundingBox bbox;