File renames, build script and cmake updates

2026-08-20 20:22:09 +00:00 · 2022-11-15 13:19:24 +01:00
parent 8f33c2ca9d
commit ccde605029
133 changed files with 63 additions and 218 deletions
@@ -0,0 +1,107 @@
+/********************************************************************************
+ *                                                                              *
+ * 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/>.         *
+ *                                                                              *
+ ********************************************************************************/
+
+#include <gp_Vec.hxx>
+#include <gp_Dir.hxx>
+#include <gp_Trsf.hxx>
+#include <BRepPrimAPI_MakePrism.hxx>
+#include "../ifcgeom/IfcGeom.h"
+
+// uncomment if you'd like negative or close to zero extrusion depths to succeed
+// #define PERMISSIVE_EXTRUSION
+
+#define Kernel MAKE_TYPE_NAME(Kernel)
+
+bool IfcGeom::Kernel::convert(const IfcSchema::IfcExtrudedAreaSolid* l, TopoDS_Shape& shape) {
+	const double height = l->Depth() * getValue(GV_LENGTH_UNIT);
+	if (height < getValue(GV_PRECISION)) {
+		Logger::Message(Logger::LOG_ERROR, "Non-positive extrusion height encountered for:", l);
+#ifndef PERMISSIVE_EXTRUSION
+		return false;
+#endif
+	}
+
+	TopoDS_Shape face;
+	if ( !convert_face(l->SweptArea(),face) ) return false;
+
+	gp_Trsf trsf;
+	bool has_position = true;
+#ifdef SCHEMA_IfcSweptAreaSolid_Position_IS_OPTIONAL
+	has_position = l->Position() != nullptr;
+#endif
+	if (has_position) {
+		IfcGeom::Kernel::convert(l->Position(), trsf);
+	}
+
+#ifdef PERMISSIVE_EXTRUSION
+	if (abs(height) < getValue(GV_PRECISION)) {
+		shape = face;
+
+		if (has_position && !shape.IsNull()) {
+			// IfcSweptAreaSolid.Position (trsf) is an IfcAxis2Placement3D
+			// and therefore has a unit scale factor
+			shape.Move(trsf);
+		}
+
+		return true;
+	}
+#endif
+
+	gp_Dir dir;
+	convert(l->ExtrudedDirection(),dir);
+
+	shape.Nullify();
+
+	/*
+	// @nb This logic was probably flawed always as this does not by itself result in a valid compsolid...
+	if (face.ShapeType() == TopAbs_COMPOUND) {
+		
+		// For compounds (most likely the result of a IfcCompositeProfileDef) 
+		// create a compound solid shape.
+		
+		TopExp_Explorer exp(face, TopAbs_FACE);
+		
+		TopoDS_CompSolid compound;
+		BRep_Builder builder;
+		builder.MakeCompSolid(compound);
+		
+		int num_faces_extruded = 0;
+		for (; exp.More(); exp.Next(), ++num_faces_extruded) {
+			builder.Add(compound, BRepPrimAPI_MakePrism(exp.Current(), height*dir));
+		}
+
+		if (num_faces_extruded) {
+			shape = compound;
+		}
+
+	}
+	*/
+	
+	if (shape.IsNull()) {	
+		shape = BRepPrimAPI_MakePrism(face, height*dir);
+	}
+
+	if (has_position && !shape.IsNull()) {
+		// IfcSweptAreaSolid.Position (trsf) is an IfcAxis2Placement3D
+		// and therefore has a unit scale factor
+		shape.Move(trsf);
+	}
+
+	return !shape.IsNull();
+}