File renames, build script and cmake updates

2026-08-15 18:14:08 +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 +1,157 @@
+/********************************************************************************
+ *                                                                              *
+ * 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_Vec.hxx>
+#include <gp_Dir.hxx>
+#include <gp_Pnt2d.hxx>
+#include <gp_Trsf.hxx>
+#include <gp_Ax1.hxx>
+#include <gp_Ax3.hxx>
+#include <gp_Pln.hxx>
+#include <BRepOffsetAPI_MakePipeShell.hxx>
+#include <TopoDS.hxx>
+#include <TopoDS_Wire.hxx>
+#include <TopoDS_Face.hxx>
+#include <TopExp_Explorer.hxx>
+#include <BRepBuilderAPI_Transform.hxx>
+#include <ShapeFix_Edge.hxx>
+#include <ShapeAnalysis_Surface.hxx>
+#include "../ifcgeom/IfcGeom.h"
+#include "../ifcgeom_schema_agnostic/base_utils.h"
+
+#define Kernel MAKE_TYPE_NAME(Kernel)
+
+bool IfcGeom::Kernel::convert(const IfcSchema::IfcSurfaceCurveSweptAreaSolid* l, TopoDS_Shape& shape) {
+	gp_Trsf directrix;
+	TopoDS_Shape face;
+	TopoDS_Face surface_face;
+	TopoDS_Wire wire, section;
+
+	const bool is_plane = l->ReferenceSurface()->declaration().is(IfcSchema::IfcPlane::Class());
+
+	if (!is_plane) {
+		TopoDS_Shape surface_shell;
+		if (!convert_shape(l->ReferenceSurface(), surface_shell)) {
+			Logger::Error("Failed to convert reference surface", l);
+			return false;
+		}
+		if (util::count(surface_shell, TopAbs_FACE) != 1) {
+			Logger::Error("Non-continuous reference surface", l);
+			return false;
+		}
+		surface_face = TopoDS::Face(TopExp_Explorer(surface_shell, TopAbs_FACE).Current());
+	}
+	
+	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);
+	}
+
+	if (!convert_face(l->SweptArea(), face) || 
+		!convert_wire(l->Directrix(), wire)    ) {
+		return false;
+	}
+
+	gp_Pln pln;
+	gp_Pnt directrix_origin;
+	gp_Vec directrix_tangent;
+	bool directrix_on_plane = is_plane;
+
+	if (is_plane) {
+		IfcGeom::Kernel::convert((IfcSchema::IfcPlane*) l->ReferenceSurface(), pln);
+
+		// As per Informal propositions 2: The Directrix shall lie on the ReferenceSurface.
+		// This is not always the case with the test files in the repository. I am not sure
+		// how to deal with this and whether my interpretation of the propositions is
+		// correct. However, if it has been asserted that the vertices of the directrix do
+		// not conform to the ReferenceSurface, the ReferenceSurface is ignored.
+		{
+			for (TopExp_Explorer exp(wire, TopAbs_VERTEX); exp.More(); exp.Next()) {
+				if (pln.Distance(BRep_Tool::Pnt(TopoDS::Vertex(exp.Current()))) > ALMOST_ZERO) {
+					directrix_on_plane = false;
+					Logger::Message(Logger::LOG_WARNING, "The Directrix does not lie on the ReferenceSurface", l);
+					break;
+				}
+			}
+		}
+	}
+
+	{
+		TopExp_Explorer exp(wire, TopAbs_EDGE);
+		TopoDS_Edge edge = TopoDS::Edge(exp.Current());
+		double u0, u1;
+		Handle(Geom_Curve) crv = BRep_Tool::Curve(edge, u0, u1);
+		crv->D1(u0, directrix_origin, directrix_tangent);
+	}
+
+	if (is_plane && pln.Axis().Direction().IsNormal(directrix_tangent, Precision::Approximation()) && directrix_on_plane) {
+		directrix.SetTransformation(gp_Ax3(directrix_origin, directrix_tangent, pln.Axis().Direction()), gp::XOY());
+	} else if (!is_plane) {
+		ShapeAnalysis_Surface sas(BRep_Tool::Surface(surface_face));
+		auto pnt2d = sas.ValueOfUV(directrix_origin, getValue(GV_PRECISION) * 10.);
+		BRepGProp_Face prop(surface_face);
+		gp_Pnt _;
+		gp_Vec surface_normal;
+		prop.Normal(pnt2d.X(), pnt2d.Y(), _, surface_normal);
+		directrix.SetTransformation(gp_Ax3(directrix_origin, directrix_tangent, surface_normal), gp::XOY());
+	} else {
+		directrix.SetTransformation(gp_Ax3(directrix_origin, directrix_tangent), gp::XOY());
+	}
+	face = BRepBuilderAPI_Transform(face, directrix);
+
+	if (!is_plane) {
+		TopExp_Explorer exp(wire, TopAbs_EDGE);
+		for (; exp.More(); exp.Next()) {
+			ShapeFix_Edge sfe;
+			sfe.FixAddPCurve(TopoDS::Edge(exp.Current()), surface_face, false, getValue(GV_PRECISION));
+		}
+	}
+
+	// NB: Note that StartParam and EndParam param are ignored and the assumption is
+	// made that the parametric range over which to be swept matches the IfcCurve in
+	// its entirety.
+	BRepOffsetAPI_MakePipeShell builder(wire);
+
+	{ TopExp_Explorer exp(face, TopAbs_WIRE);
+	section = TopoDS::Wire(exp.Current()); }
+
+	builder.Add(section);
+	builder.SetTransitionMode(BRepBuilderAPI_RightCorner);
+	if (directrix_on_plane) {
+		builder.SetMode(pln.Axis().Direction());
+	} else if (!is_plane) {
+		builder.SetMode(surface_face);
+	}
+	builder.Build();
+	builder.MakeSolid();
+	shape = builder.Shape();
+
+	if (has_position) {
+		// IfcSweptAreaSolid.Position (trsf) is an IfcAxis2Placement3D
+		// and therefore has a unit scale factor
+		shape.Move(trsf);
+	}
+
+	return true;
+}