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[Work in progress] Start adding support for IfcSurfaceStyleShading and -Rendering

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This commit is contained in:
Thomas Krijnen
2013-05-05 08:49:25 +00:00
parent 5d4ff0b54a
commit 80bc1b5dab
17 changed files with 308 additions and 195 deletions
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src/ifcgeom/IfcGeomFunctions.cpp
+19 -27
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@@ -131,9 +131,9 @@ const TopoDS_Shape& IfcGeom::ensure_fit_for_subtraction(const TopoDS_Shape& shap
}
bool IfcGeom::convert_openings(const Ifc2x3::IfcProduct::ptr entity, const Ifc2x3::IfcRelVoidsElement::list& openings,
const ShapeList& entity_shapes, const gp_Trsf& entity_trsf, ShapeList& cut_shapes) {
const IfcRepresentationShapeItems& entity_shapes, const gp_Trsf& entity_trsf, IfcRepresentationShapeItems& cut_shapes) {
// Iterate over IfcOpeningElements
IfcGeom::ShapeList opening_shapes;
IfcGeom::IfcRepresentationShapeItems opening_shapes;
unsigned int last_size = 0;
for ( Ifc2x3::IfcRelVoidsElement::it it = openings->begin(); it != openings->end(); ++ it ) {
Ifc2x3::IfcRelVoidsElement::ptr v = *it;
@@ -156,17 +156,17 @@ bool IfcGeom::convert_openings(const Ifc2x3::IfcProduct::ptr entity, const Ifc2x
const unsigned int current_size = (const unsigned int) opening_shapes.size();
for ( unsigned int i = last_size; i < current_size; ++ i ) {
opening_shapes[i].first->PreMultiply(opening_trsf);
opening_shapes[i].move(opening_trsf);
}
last_size = current_size;
}
}
// Iterate over the shapes of the IfcProduct
for ( IfcGeom::ShapeList::const_iterator it3 = entity_shapes.begin(); it3 != entity_shapes.end(); ++ it3 ) {
for ( IfcGeom::IfcRepresentationShapeItems::const_iterator it3 = entity_shapes.begin(); it3 != entity_shapes.end(); ++ it3 ) {
TopoDS_Shape entity_shape_solid;
const TopoDS_Shape& entity_shape_unlocated = IfcGeom::ensure_fit_for_subtraction(*(it3->second),entity_shape_solid);
const gp_GTrsf& entity_shape_gtrsf = *(it3->first);
const TopoDS_Shape& entity_shape_unlocated = IfcGeom::ensure_fit_for_subtraction(it3->Shape(),entity_shape_solid);
const gp_GTrsf& entity_shape_gtrsf = it3->Placement();
TopoDS_Shape entity_shape;
if ( entity_shape_gtrsf.Form() == gp_Other ) {
Logger::Message(Logger::LOG_WARNING,"Applying non uniform transformation to:",entity->entity);
@@ -176,10 +176,10 @@ bool IfcGeom::convert_openings(const Ifc2x3::IfcProduct::ptr entity, const Ifc2x
}
// Iterate over the shapes of the IfcOpeningElements
for ( IfcGeom::ShapeList::const_iterator it4 = opening_shapes.begin(); it4 != opening_shapes.end(); ++ it4 ) {
for ( IfcGeom::IfcRepresentationShapeItems::const_iterator it4 = opening_shapes.begin(); it4 != opening_shapes.end(); ++ it4 ) {
TopoDS_Shape opening_shape_solid;
const TopoDS_Shape& opening_shape_unlocated = IfcGeom::ensure_fit_for_subtraction(*(it4->second),opening_shape_solid);
const gp_GTrsf& opening_shape_gtrsf = *(it4->first);
const TopoDS_Shape& opening_shape_unlocated = IfcGeom::ensure_fit_for_subtraction(it4->Shape(),opening_shape_solid);
const gp_GTrsf& opening_shape_gtrsf = it4->Placement();
if ( opening_shape_gtrsf.Form() == gp_Other ) {
Logger::Message(Logger::LOG_WARNING,"Applying non uniform transformation to opening of:",entity->entity);
}
@@ -218,19 +218,14 @@ bool IfcGeom::convert_openings(const Ifc2x3::IfcProduct::ptr entity, const Ifc2x
}
}
cut_shapes.push_back(IfcGeom::LocationShape(new gp_GTrsf(),new TopoDS_Shape(entity_shape)));
}
// Delete references to opening transformations, but keep shapes in the cache
for ( IfcGeom::ShapeList::const_iterator it5 = opening_shapes.begin(); it5 != opening_shapes.end(); ++ it5 ) {
delete it5->first;
cut_shapes.push_back(IfcGeom::IfcRepresentationShapeItem(entity_shape, &it3->Style()));
}
return true;
}
bool IfcGeom::convert_openings_fast(const Ifc2x3::IfcProduct::ptr entity, const Ifc2x3::IfcRelVoidsElement::list& openings,
const ShapeList& entity_shapes, const gp_Trsf& entity_trsf, ShapeList& cut_shapes) {
const IfcRepresentationShapeItems& entity_shapes, const gp_Trsf& entity_trsf, IfcRepresentationShapeItems& cut_shapes) {
// Create a compound of all opening shapes in order to speed up the boolean operations
TopoDS_Compound opening_compound;
@@ -252,32 +247,29 @@ bool IfcGeom::convert_openings_fast(const Ifc2x3::IfcProduct::ptr entity, const
Ifc2x3::IfcProductRepresentation::ptr prodrep = fes->Representation();
Ifc2x3::IfcRepresentation::list reps = prodrep->Representations();
IfcGeom::ShapeList opening_shapes;
IfcGeom::IfcRepresentationShapeItems opening_shapes;
for ( Ifc2x3::IfcRepresentation::it it2 = reps->begin(); it2 != reps->end(); ++ it2 ) {
IfcGeom::convert_shapes(*it2,opening_shapes);
}
for ( unsigned int i = 0; i < opening_shapes.size(); ++ i ) {
gp_GTrsf& gtrsf = *opening_shapes[i].first;
gp_GTrsf gtrsf = opening_shapes[i].Placement();
gtrsf.PreMultiply(opening_trsf);
const TopoDS_Shape& opening_shape = gtrsf.Form() == gp_Other
? BRepBuilderAPI_GTransform(*opening_shapes[i].second,gtrsf,true).Shape()
: (*opening_shapes[i].second).Moved(gtrsf.Trsf());
? BRepBuilderAPI_GTransform(opening_shapes[i].Shape(),gtrsf,true).Shape()
: (opening_shapes[i].Shape()).Moved(gtrsf.Trsf());
builder.Add(opening_compound,opening_shape);
}
for ( IfcGeom::ShapeList::const_iterator it5 = opening_shapes.begin(); it5 != opening_shapes.end(); ++ it5 ) {
delete it5->first;
}
}
}
// Iterate over the shapes of the IfcProduct
for ( IfcGeom::ShapeList::const_iterator it3 = entity_shapes.begin(); it3 != entity_shapes.end(); ++ it3 ) {
for ( IfcGeom::IfcRepresentationShapeItems::const_iterator it3 = entity_shapes.begin(); it3 != entity_shapes.end(); ++ it3 ) {
TopoDS_Shape entity_shape_solid;
const TopoDS_Shape& entity_shape_unlocated = IfcGeom::ensure_fit_for_subtraction(*(it3->second),entity_shape_solid);
const gp_GTrsf& entity_shape_gtrsf = *(it3->first);
const TopoDS_Shape& entity_shape_unlocated = IfcGeom::ensure_fit_for_subtraction(it3->Shape(),entity_shape_solid);
const gp_GTrsf& entity_shape_gtrsf = it3->Placement();
TopoDS_Shape entity_shape;
if ( entity_shape_gtrsf.Form() == gp_Other ) {
Logger::Message(Logger::LOG_WARNING,"Applying non uniform transformation to:",entity->entity);
@@ -294,7 +286,7 @@ bool IfcGeom::convert_openings_fast(const Ifc2x3::IfcProduct::ptr entity, const
BRepCheck_Analyzer analyser(brep_cut_result);
is_valid = analyser.IsValid() != 0;
if ( is_valid ) {
cut_shapes.push_back(IfcGeom::LocationShape(new gp_GTrsf(),new TopoDS_Shape(brep_cut_result)));
cut_shapes.push_back(IfcGeom::IfcRepresentationShapeItem(brep_cut_result, &it3->Style()));
}
}
if ( !is_valid ) {