File renames, build script and cmake updates

2026-08-12 18:43:26 +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 +1,84 @@
+/********************************************************************************
+ *                                                                              *
+ * 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_Pnt.hxx>
+#include <gp_Pln.hxx>
+#include <Geom_TrimmedCurve.hxx>
+#include <Geom_OffsetCurve.hxx>
+#include <BRepOffsetAPI_MakeOffset.hxx>
+#include <BRepBuilderAPI_MakeFace.hxx>
+#include <BRepBuilderAPI_MakeEdge.hxx>
+#include <BRepBuilderAPI_MakeWire.hxx>
+#include <TopoDS.hxx>
+#include <TopoDS_Wire.hxx>
+#include <TopoDS_Face.hxx>
+#include <TopExp_Explorer.hxx>
+#include <BRep_Tool.hxx>
+#include "../ifcgeom/IfcGeom.h"
+
+#define Kernel MAKE_TYPE_NAME(Kernel)
+
+bool IfcGeom::Kernel::convert(const IfcSchema::IfcCenterLineProfileDef* l, TopoDS_Shape& face) {
+	const double d = l->Thickness() * getValue(GV_LENGTH_UNIT) / 2.;
+
+	TopoDS_Wire wire;
+	if (!convert_wire(l->Curve(), wire)) return false;
+
+	// BRepOffsetAPI_MakeOffset insists on creating circular arc
+	// segments for joining the curves that constitute the center
+	// line. This is probably not in accordance with the IFC spec.
+	// Although it does not specify a method to join segments
+	// explicitly, it does dictate 'a constant thickness along the
+	// curve'. Therefore for simple singular wires a quick
+	// alternative is provided that uses a straight join.
+
+	TopExp_Explorer exp(wire, TopAbs_EDGE);
+	TopoDS_Edge edge = TopoDS::Edge(exp.Current());
+	exp.Next();
+
+	if (!exp.More()) {
+		double u1, u2;
+		Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, u1, u2);
+
+		Handle(Geom_TrimmedCurve) trim = new Geom_TrimmedCurve(curve, u1, u2);
+
+		Handle(Geom_OffsetCurve) c1 = new Geom_OffsetCurve(trim,  d, gp::DZ());
+		Handle(Geom_OffsetCurve) c2 = new Geom_OffsetCurve(trim, -d, gp::DZ());
+
+		gp_Pnt c1a, c1b, c2a, c2b;
+		c1->D0(c1->FirstParameter(), c1a);
+		c1->D0(c1->LastParameter(), c1b);
+		c2->D0(c2->FirstParameter(), c2a);
+		c2->D0(c2->LastParameter(), c2b);
+
+		BRepBuilderAPI_MakeWire mw;
+		mw.Add(BRepBuilderAPI_MakeEdge(c1));
+		mw.Add(BRepBuilderAPI_MakeEdge(c1a, c2a));
+		mw.Add(BRepBuilderAPI_MakeEdge(c2));
+		mw.Add(BRepBuilderAPI_MakeEdge(c2b, c1b));
+		
+		face = BRepBuilderAPI_MakeFace(mw.Wire());
+	} else {
+		BRepOffsetAPI_MakeOffset offset(BRepBuilderAPI_MakeFace(gp_Pln(gp::Origin(), gp::DZ())));
+		offset.AddWire(wire);
+		offset.Perform(d);
+		face = BRepBuilderAPI_MakeFace(TopoDS::Wire(offset));
+	}
+	return true;
+}