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Flatten the perimeters list (which is what the xspp does in the background) before iterating over it.

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This commit is contained in:
Joseph Lenox 2018-07-25 23:39:26 -05:00
parent c78c23c73d
commit 8c33fac143
1 changed files with 2 additions and 1 deletions
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3
xs/src/libslic3r/PrintGCode.cpp
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@ -525,7 +525,8 @@ PrintGCode::process_layer(size_t idx, const Layer* layer, const Points& copies)
{
auto extruder_id = region->config.perimeter_extruder-1;
// Casting away const just to avoid double dereferences
for(auto* perimeter_coll : const_cast<LayerRegion*>(layerm)->perimeters) {
for(auto* perimeter_coll : layerm->perimeters.flatten().entities) {
if(perimeter_coll->length() == 0) continue; // this shouldn't happen but first_point() would fail
// perimeter_coll is an ExtrusionPath::Collection object representing a single slice