File renames, build script and cmake updates

src/ifcgeom/mapping/IfcLShapeProfileDef.cpp

@@ -0,0 +1,99 @@
+/********************************************************************************
+ *                                                                              *
+ * 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_Trsf2d.hxx>
+#include "../ifcgeom/IfcGeom.h"
+#include "../ifcgeom_schema_agnostic/profile_helper.h"
+
+#define Kernel MAKE_TYPE_NAME(Kernel)
+
+bool IfcGeom::Kernel::convert(const IfcSchema::IfcLShapeProfileDef* l, TopoDS_Shape& face) {
+	const bool hasSlope = !!l->LegSlope();
+	const bool doEdgeFillet = !!l->EdgeRadius();
+	const bool doFillet = !!l->FilletRadius();
+
+	const double y = l->Depth() / 2.0f * getValue(GV_LENGTH_UNIT);
+	const double x = l->Width().get_value_or(l->Depth()) / 2.0f * getValue(GV_LENGTH_UNIT);
+	const double d = l->Thickness() * getValue(GV_LENGTH_UNIT);
+	const double slope = l->LegSlope().get_value_or(0.) * getValue(GV_PLANEANGLE_UNIT);
+	
+	double f1 = 0.0f;
+	double f2 = 0.0f;
+	if (doFillet) {
+		f1 = *l->FilletRadius() * getValue(GV_LENGTH_UNIT);
+	}
+	if ( doEdgeFillet) {
+		f2 = *l->EdgeRadius() * getValue(GV_LENGTH_UNIT);
+	}
+
+	if ( x < ALMOST_ZERO || y < ALMOST_ZERO || d < ALMOST_ZERO ) {
+		Logger::Message(Logger::LOG_NOTICE,"Skipping zero sized profile:",l);
+		return false;
+	}
+
+	double xx = -x+d;
+	double xy = -y+d;
+	double dy1 = 0.;
+	double dy2 = 0.;
+	double dx1 = 0.;
+	double dx2 = 0.;
+	if (hasSlope) {
+		dy1 = tan(slope) * x;
+		dy2 = tan(slope) * (x - d);
+		dx1 = tan(slope) * y;
+		dx2 = tan(slope) * (y - d);
+
+		const double x1s = x; const double y1s = -y + d - dy1;
+		const double x1e = -x + d; const double y1e = -y + d + dy2;
+		const double x2s = -x + d - dx1; const double y2s = y;
+		const double x2e = -x + d + dx2; const double y2e = -y + d;
+
+		const double a1 = y1e - y1s;
+		const double b1 = x1s - x1e;
+		const double c1 = a1*x1s + b1*y1s;
+
+		const double a2 = y2e - y2s;
+		const double b2 = x2s - x2e;
+		const double c2 = a2*x2s + b2*y2s;
+
+		const double det = a1*b2 - a2*b1;
+
+		if (ALMOST_THE_SAME(det, 0.)) {
+			Logger::Message(Logger::LOG_NOTICE, "Legs do not intersect for:",l);
+			return false;
+		}
+
+		xx = (b2*c1 - b1*c2) / det;
+		xy = (a1*c2 - a2*c1) / det;
+	}
+
+	gp_Trsf2d trsf2d;
+	bool has_position = true;
+#ifdef SCHEMA_IfcParameterizedProfileDef_Position_IS_OPTIONAL
+	has_position = l->Position() != nullptr;
+#endif
+	if (has_position) {
+		IfcGeom::Kernel::convert(l->Position(), trsf2d);
+	}
+
+	double coords[12] = {-x,-y, x,-y, x,-y+d-dy1, xx, xy, -x+d-dx1,y, -x,y};
+	int fillets[3] = {2,3,4};
+	double radii[3] = {f2,f1,f2};
+	return util::profile_helper(6,coords,doFillet ? 3 : 0,fillets,radii,trsf2d,face);
+}