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Mapped item

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This commit is contained in:
Thomas Krijnen
2019-09-16 17:40:55 +02:00
parent d59f3e9932
commit 3731c95728
2 changed files with 21 additions and 1 deletions
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src/ifcgeom/schema/mapping.cpp
+20
View File
@@ -1170,3 +1170,23 @@ taxonomy::item* mapping::map_impl(const IfcSchema::IfcPolyline* inst) {
return polygon_from_points(polygon);
}
taxonomy::item* mapping::map_impl(const IfcSchema::IfcMappedItem* inst) {
IfcSchema::IfcCartesianTransformationOperator* transform = inst->MappingTarget();
taxonomy::matrix4 gtrsf = as<taxonomy::matrix4>(map(transform));
IfcSchema::IfcRepresentationMap* rmap = inst->MappingSource();
IfcSchema::IfcAxis2Placement* placement = rmap->MappingOrigin();
taxonomy::matrix4 trsf2 = as<taxonomy::matrix4>(map(placement));
gtrsf.components = gtrsf.components * trsf2.components;
// @todo immutable for caching?
// @todo allow for multiple levels of matrix?
auto shapes = map(rmap->MappedRepresentation());
for (auto& c : ((taxonomy::collection*)shapes)->children) {
auto item = ((taxonomy::geom_item*)c);
item->matrix.components = gtrsf.components * item->matrix.components;
// @todo previously style was also copied.
}
return shapes;
}
src/ifcgeom/schema/mapping.i
+1 -1
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@@ -29,7 +29,7 @@ BIND(IfcProduct);
// BIND(IfcShellBasedSurfaceModel);
BIND(IfcFaceBasedSurfaceModel);
BIND(IfcRepresentation);
// BIND(IfcMappedItem);
BIND(IfcMappedItem);
// IfcFacetedBrep included
// IfcAdvancedBrep included
// IfcFacetedBrepWithVoids included