Rewritten library to use code generated from IFC2X3_TC1.exp

2026-08-12 10:33:20 +00:00 · 2011-07-25 14:56:40 +00:00
parent 75c26a34e1
commit 9b36321861
30 changed files with 20753 additions and 340 deletions
@@ -0,0 +1,142 @@
+/********************************************************************************
+ *                                                                              *
+ * This file is part of IfcOpenShell.                                           *
+ *                                                                              *
+ * IfcOpenShell is free software: you can redistribute it and/or modify         *
+ * it under the terms of the Lesser GNU General Public License as published by  *
+ * the Free Software Foundation, either version 3.0 of the License, or          *
+ * (at your option) any later version.                                          *
+ *                                                                              *
+ * IfcOpenShell is distributed in the hope that it will be useful,              *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of               *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                 *
+ * Lesser GNU General Public License for more details.                          *
+ *                                                                              *
+ * You should have received a copy of the Lesser GNU General Public License     *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.         *
+ *                                                                              *
+ ********************************************************************************/
+
+/********************************************************************************
+ *                                                                              *
+ * Implementations of the various conversion functions defined in IfcGeom.h     *
+ *                                                                              *
+ ********************************************************************************/
+
+#include <gp_Pnt.hxx>
+#include <gp_Vec.hxx>
+#include <gp_Dir.hxx>
+#include <gp_Pnt2d.hxx>
+#include <gp_Vec2d.hxx>
+#include <gp_Dir2d.hxx>
+#include <gp_Trsf.hxx>
+#include <gp_Trsf2d.hxx>
+#include <gp_Mat.hxx>
+#include <gp_Ax3.hxx>
+#include <gp_Ax2d.hxx>
+#include <gp_Pln.hxx>
+#include <gp_Circ.hxx>
+
+#include <TColgp_Array1OfPnt.hxx>
+#include <TColgp_Array1OfPnt2d.hxx>
+#include <TColStd_Array1OfReal.hxx>
+#include <TColStd_Array1OfInteger.hxx>
+#include <Geom_Line.hxx>
+#include <Geom_Circle.hxx>
+#include <Geom_Ellipse.hxx>
+#include <Geom_TrimmedCurve.hxx>
+
+#include <BRepOffsetAPI_Sewing.hxx>
+#include <BRepBuilderAPI_MakeFace.hxx>
+#include <BRepBuilderAPI_MakeEdge.hxx>
+#include <BRepBuilderAPI_MakeWire.hxx>
+#include <BRepBuilderAPI_MakePolygon.hxx>
+#include <BRepBuilderAPI_MakeVertex.hxx>
+
+#include <TopoDS.hxx>
+#include <TopoDS_Wire.hxx>
+#include <TopoDS_Face.hxx>
+#include <TopExp_Explorer.hxx>
+
+#include <BRepPrimAPI_MakePrism.hxx>
+#include <BRepBuilderAPI_MakeShell.hxx>
+#include <BRepBuilderAPI_MakeSolid.hxx>
+#include <BRepPrimAPI_MakeHalfSpace.hxx>
+#include <BRepAlgoAPI_Cut.hxx>
+
+#include <ShapeFix_Shape.hxx>
+#include <ShapeFix_ShapeTolerance.hxx>
+#include <ShapeFix_Solid.hxx>
+
+#include <BRepFilletAPI_MakeFillet2d.hxx>
+
+#include <TopLoc_Location.hxx>
+
+#include "../ifcparse/IfcGeom.h"
+
+bool IfcGeom::convert_openings(const Ifc2x3::IfcProduct::ptr& entity, 
+							   const Ifc2x3::IfcRelVoidsElement::list& openings, TopoDS_Shape& result, const gp_Trsf& trsf2) {
+	for ( Ifc2x3::IfcRelVoidsElement::it it = openings->begin(); it != openings->end(); ++ it ) {
+		Ifc2x3::IfcRelVoidsElement::ptr v = *it;
+		Ifc2x3::IfcFeatureElementSubtraction::ptr fes = v->RelatedOpeningElement();
+		if ( fes->is(Ifc2x3::Type::IfcOpeningElement) ) {
+			gp_Trsf trsf;
+			IfcGeom::convert(fes->ObjectPlacement(),trsf);
+			trsf.PreMultiply(trsf2.Inverted());
+			Ifc2x3::IfcProductRepresentation::ptr prodrep = fes->Representation();
+			if ( prodrep->is(Ifc2x3::Type::IfcProductDefinitionShape) ) {
+				Ifc2x3::IfcProductDefinitionShape::ptr pds = reinterpret_pointer_cast<Ifc2x3::IfcProductRepresentation,Ifc2x3::IfcProductDefinitionShape>(prodrep);
+				Ifc2x3::IfcRepresentation::list reps = pds->Representations();
+				for ( Ifc2x3::IfcRepresentation::it it2 = reps->begin(); it2 != reps->end(); ++ it2 ) {
+					TopoDS_Shape s;
+					IfcGeom::convert_shape(*it2,s);
+					s.Move(trsf);
+					result = BRepAlgoAPI_Cut(result,s);
+				}
+			}
+		}
+	}
+	return true;
+}
+bool IfcGeom::convert_wire_to_face(const TopoDS_Wire& wire, TopoDS_Face& face) {
+	BRepBuilderAPI_MakeFace mf(wire, false);
+	BRepBuilderAPI_FaceError er = mf.Error();
+	if ( er == BRepBuilderAPI_NotPlanar ) {
+		ShapeFix_ShapeTolerance FTol;
+		FTol.SetTolerance(wire, 0.01, TopAbs_WIRE);
+		mf = BRepBuilderAPI_MakeFace(wire, false);
+		er = mf.Error();
+	}
+	if ( er != BRepBuilderAPI_FaceDone ) return false;
+	face = mf.Face();
+	return true;
+}
+bool IfcGeom::profile_helper(int numVerts, float* verts, int numFillets, int* filletIndices, float* filletRadii, gp_Trsf2d trsf, TopoDS_Face& face) {
+	TopoDS_Vertex* vertices = new TopoDS_Vertex[numVerts];
+	
+	for ( int i = 0; i < numVerts; i ++ ) {
+		gp_XY xy (verts[2*i],verts[2*i+1]);
+		trsf.Transforms(xy);
+		vertices[i] = BRepBuilderAPI_MakeVertex(gp_Pnt(xy.X(),xy.Y(),0.0f));
+	}
+
+	BRepBuilderAPI_MakeWire w;
+	for ( int i = 0; i < numVerts; i ++ )
+		w.Add(BRepBuilderAPI_MakeEdge(vertices[i],vertices[(i+1)%numVerts]));
+
+	IfcGeom::convert_wire_to_face(w.Wire(),face);
+
+	if ( numFillets ) {
+		BRepFilletAPI_MakeFillet2d fillet (face);
+		for ( int i = 0; i < numFillets; i ++ ) {
+			const float radius = filletRadii[i];
+			if ( radius < 1e-7 ) continue;
+			fillet.AddFillet(vertices[filletIndices[i]],radius);
+		}
+		fillet.Build();
+		face = TopoDS::Face(fillet.Shape());
+	}
+
+	delete[] vertices;
+	return true;
+}