First push of a more all-round geometrical file conversion utility

2026-08-12 02:23:34 +00:00 · 2013-03-24 10:48:39 +00:00
parent 852cb7d8c4
commit 5d4ff0b54a
20 changed files with 1330 additions and 264 deletions
@@ -0,0 +1,56 @@
+/********************************************************************************
+ *                                                                              *
+ * 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 <string>
+#include <fstream>
+#include <cstdio>
+
+#include <BRepBuilderAPI_GTransform.hxx>
+#include <BRepBuilderAPI_Transform.hxx>
+
+#include "OpenCascadeBasedSerializer.h"
+
+bool OpenCascadeBasedSerializer::ready() {
+	std::ofstream test_file(out_filename.c_str(), std::ios_base::binary);
+	bool succeeded = test_file.is_open();
+	test_file.close();
+	remove(out_filename.c_str());
+	return succeeded;
+}
+
+void OpenCascadeBasedSerializer::writeShapeModel(const IfcGeomObjects::IfcGeomShapeModelObject* o) {		
+	for (IfcGeom::ShapeList::const_iterator it = o->mesh->begin(); it != o->mesh->end(); ++ it) {
+		gp_GTrsf gtrsf = *it->first;
+		gtrsf.PreMultiply(o->trsf);
+		const TopoDS_Shape& s = *it->second;			
+			
+		bool trsf_valid = false;
+		gp_Trsf trsf;
+		try {
+			trsf = gtrsf.Trsf();
+			trsf_valid = true;
+		} catch (...) {}
+			
+		const TopoDS_Shape moved_shape = trsf_valid
+			? BRepBuilderAPI_Transform(s, trsf, true).Shape()
+			: BRepBuilderAPI_GTransform(s, gtrsf, true).Shape();
+			
+		writeShape(moved_shape);
+	}
+}