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Optimized Layer::merge_slices()

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Don't merge classified pieces of layerm->slices, but use the non-split
islands of a layer. For a single region print, these shall be equal.

Added Slic3r-console.ico windows icon for the console Slic3r.
This is a copy of the big icon, with the big images stripped off.
This commit is contained in:
bubnikv
2016-11-20 12:38:59 +01:00
parent 79f5a16536
commit ef69474636
4 changed files with 14 additions and 13 deletions
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15
xs/src/libslic3r/Layer.cpp
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@@ -129,8 +129,19 @@ Layer::make_slices()
void
Layer::merge_slices()
{
FOREACH_LAYERREGION(this, layerm) {
(*layerm)->merge_slices();
if (this->regions.size() == 1) {
// Optimization, also more robust. Don't merge classified pieces of layerm->slices,
// but use the non-split islands of a layer. For a single region print, these shall be equal.
this->regions.front()->slices.surfaces.clear();
surfaces_append(this->regions.front()->slices.surfaces, this->slices.expolygons, stInternal);
} else {
FOREACH_LAYERREGION(this, layerm) {
ExPolygons expp;
// without safety offset, artifacts are generated (GH #2494)
union_(to_polygons(STDMOVE((*layerm)->slices.surfaces)), &expp, true);
(*layerm)->slices.surfaces.clear();
surfaces_append((*layerm)->slices.surfaces, expp, stInternal);
}
}
}