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Fixed a crash with a layer range modifier containing no slicing layer.

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This commit is contained in:
bubnikv 2019-10-01 13:41:22 +02:00
parent 93a157e26c
commit 6a07b231e1
1 changed files with 14 additions and 13 deletions
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5
src/libslic3r/PrintObject.cpp
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@ -1659,7 +1659,8 @@ void PrintObject::_slice(const std::vector<coordf_t> &layer_height_profile)
// Trim volumes in a single layer, one by the other, possibly apply upscaling.
{
Polygons processed;
for (SlicedVolume &sliced_volume : sliced_volumes) {
for (SlicedVolume &sliced_volume : sliced_volumes)
if (! sliced_volume.expolygons_by_layer.empty()) {
ExPolygons slices = std::move(sliced_volume.expolygons_by_layer[layer_id]);
if (upscale)
slices = offset_ex(std::move(slices), delta);
@ -1677,7 +1678,7 @@ void PrintObject::_slice(const std::vector<coordf_t> &layer_height_profile)
ExPolygons expolygons;
size_t num_volumes = 0;
for (SlicedVolume &sliced_volume : sliced_volumes)
if (sliced_volume.region_id == region_id && ! sliced_volume.expolygons_by_layer[layer_id].empty()) {
if (sliced_volume.region_id == region_id && ! sliced_volume.expolygons_by_layer.empty() && ! sliced_volume.expolygons_by_layer[layer_id].empty()) {
++ num_volumes;
append(expolygons, std::move(sliced_volume.expolygons_by_layer[layer_id]));
}