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Ground work for processing opening placement up to parent wall

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This commit is contained in:
Thomas Krijnen
2021-12-19 21:55:41 +01:00
parent 49c555c508
commit 03d4782cb7
4 changed files with 64 additions and 21 deletions
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src/ifcgeom/IfcGeomHelpers.cpp
+32 -12
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@@ -415,8 +415,12 @@ bool IfcGeom::Kernel::convert(const IfcSchema::IfcAxis2Placement2D* l, gp_Trsf2d
return true;
}
void IfcGeom::Kernel::set_conversion_placement_rel_to(const IfcParse::declaration* type) {
placement_rel_to = type;
void IfcGeom::Kernel::set_conversion_placement_rel_to_type(const IfcParse::declaration* type) {
placement_rel_to_type_ = type;
}
void IfcGeom::Kernel::set_conversion_placement_rel_to_instance(const IfcUtil::IfcBaseEntity* instance) {
placement_rel_to_instance_ = instance;
}
bool IfcGeom::Kernel::convert(const IfcSchema::IfcObjectPlacement* l, gp_Trsf& trsf) {
@@ -427,26 +431,42 @@ bool IfcGeom::Kernel::convert(const IfcSchema::IfcObjectPlacement* l, gp_Trsf& t
}
IfcSchema::IfcLocalPlacement* current = (IfcSchema::IfcLocalPlacement*)l;
for (;;) {
gp_Trsf trsf2;
IfcSchema::IfcAxis2Placement* relplacement = current->RelativePlacement();
if (relplacement->as<IfcSchema::IfcAxis2Placement3D>()) {
IfcGeom::Kernel::convert(relplacement->as<IfcSchema::IfcAxis2Placement3D>(),trsf2);
trsf.PreMultiply(trsf2);
}
if ( current->PlacementRelTo() ) {
if (current->PlacementRelTo()) {
IfcSchema::IfcObjectPlacement* parent = current->PlacementRelTo();
IfcSchema::IfcProduct::list::ptr parentPlaces = parent->PlacesObject();
bool parentPlacesType = false;
for ( IfcSchema::IfcProduct::list::it iter = parentPlaces->begin();
iter != parentPlaces->end(); ++iter) {
if ( (*iter)->declaration().is(*placement_rel_to) ) parentPlacesType = true;
bool parent_placement_ignored = false;
if (placement_rel_to_type_ || placement_rel_to_instance_) {
IfcSchema::IfcProduct::list::ptr parent_places = parent->PlacesObject();
for (auto iter = parent_places->begin(); iter != parent_places->end(); ++iter) {
if ((placement_rel_to_type_ && (*iter)->declaration().is(*placement_rel_to_type_)) ||
(placement_rel_to_instance_ && (*iter)->as<IfcUtil::IfcBaseEntity>() == placement_rel_to_instance_)) {
parent_placement_ignored = true;
}
}
}
if ( parentPlacesType ) break;
else if ( parent->declaration().is(IfcSchema::IfcLocalPlacement::Class()) )
if (parent_placement_ignored) {
// The parent placement of the current is a placement for a type that is
// being ignored (Site or Building) or it is the host element of an opening.
break;
} else if (parent->declaration().is(IfcSchema::IfcLocalPlacement::Class())) {
// Keep processing parent placements
current = current->PlacementRelTo()->as<IfcSchema::IfcLocalPlacement>();
else break;
} else break;
} else {
// This is the root placement (typically Site).
break;
}
} else {
break;
}
}
trsf.PreMultiply(offset_and_rotation);