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Traverse collections for styles when processing boolean as arrangement

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This commit is contained in:
Thomas Krijnen
2020-09-28 15:46:19 +02:00
parent 04ae29759b
commit b09fc12868
1 changed files with 16 additions and 1 deletions
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src/ifcgeom/kernels/cgal/CgalKernel.cpp
+16 -1
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@@ -1444,7 +1444,22 @@ bool CgalKernel::convert_impl(const taxonomy::boolean_result* br, ifcopenshell::
std::list<CGAL::Polygon_2<Kernel_>> loops;
if (process_as_2d_polygon(br, loops, z0, z1)) {
auto first_item_style = ((taxonomy::geom_item*)br->children[0])->surface_style;
taxonomy::style first_item_style;
{
auto gi = dynamic_cast<const taxonomy::geom_item*>(br->children[0]);
while (gi) {
if (gi->surface_style.diffuse) {
first_item_style = gi->surface_style;
break;
}
auto ci = dynamic_cast<const taxonomy::collection*>(gi);
if (ci && ci->children.size() == 1) {
gi = dynamic_cast<const taxonomy::geom_item*>(ci->children[0]);
} else {
break;
}
}
}
std::list<CGAL::Polygon_with_holes_2<Kernel_>> pwhs;