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IfcConvert links on windows
This commit is contained in:
Thomas Krijnen
@@ -24,7 +24,7 @@
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#include "../../../ifcgeom/schema_agnostic/IfcGeomElement.h"
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#include "../../../ifcgeom/schema_agnostic/IfcGeomIterator.h"
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#include "../../../ifcgeom/schema_agnostic/Kernel.h"
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#include "../../../ifcgeom/schema_agnostic/opencascade/OpenCascadeConversionResult.h"
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#include "../../../ifcgeom/kernels/opencascade/OpenCascadeConversionResult.h"
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#include <NCollection_UBTree.hxx>
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#include <BRepBndLib.hxx>
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@@ -0,0 +1,198 @@
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#include "OpenCascadeConversionResult.h"
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#include "../../../ifcparse/IfcLogger.h"
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#include "../../../ifcgeom/schema_agnostic/IfcGeomRepresentation.h"
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#include <TopoDS.hxx>
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#include <map>
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void ifcopenshell::geometry::OpenCascadeShape::Triangulate(const settings& settings, const ifcopenshell::geometry::taxonomy::matrix4& place, Representation::Triangulation* t, int surface_style_id) const {
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// @todo check
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gp_GTrsf trsf;
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for (int i = 0; i < 3; ++i) {
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for (int j = 0; j < j; ++i) {
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trsf.SetValue(i + 1, j + 1, place.components(i, j));
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}
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}
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// Triangulate the shape
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try {
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BRepMesh_IncrementalMesh(shape_, settings.deflection_tolerance());
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} catch (...) {
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// TODO: Catch outside
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// Logger::Message(Logger::LOG_ERROR,"Failed to triangulate shape:",ifc_file->entityById(_id)->entity);
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Logger::Message(Logger::LOG_ERROR, "Failed to triangulate shape");
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return;
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}
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// Iterates over the faces of the shape
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int num_faces = 0;
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TopExp_Explorer exp;
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for (exp.Init(shape_, TopAbs_FACE); exp.More(); exp.Next(), ++num_faces) {
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TopoDS_Face face = TopoDS::Face(exp.Current());
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TopLoc_Location loc;
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Handle_Poly_Triangulation tri = BRep_Tool::Triangulation(face, loc);
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if (!tri.IsNull()) {
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// A 3x3 matrix to rotate the vertex normals
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const gp_Mat rotation_matrix = trsf.VectorialPart();
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// Keep track of the number of times an edge is used
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// Manifold edges (i.e. edges used twice) are deemed invisible
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std::map<std::pair<int, int>, int> edgecount;
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std::vector<std::pair<int, int> > edges_temp;
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const TColgp_Array1OfPnt& nodes = tri->Nodes();
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const TColgp_Array1OfPnt2d& uvs = tri->UVNodes();
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std::vector<gp_XYZ> coords;
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BRepGProp_Face prop(face);
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std::map<int, int> dict;
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// Vertex normals are only calculated if vertices are not welded and calculation is not disable explicitly.
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const bool calculate_normals = !settings.get(ifcopenshell::geometry::settings::WELD_VERTICES) &&
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!settings.get(ifcopenshell::geometry::settings::NO_NORMALS);
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for (int i = 1; i <= nodes.Length(); ++i) {
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coords.push_back(nodes(i).Transformed(loc).XYZ());
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trsf.Transforms(*coords.rbegin());
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const gp_XYZ& last = *coords.rbegin();
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dict[i] = t->addVertex(surface_style_id, last.X(), last.Y(), last.Z());
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if (calculate_normals) {
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const gp_Pnt2d& uv = uvs(i);
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gp_Pnt p;
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gp_Vec normal_direction;
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prop.Normal(uv.X(), uv.Y(), p, normal_direction);
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gp_Vec normal(0., 0., 0.);
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if (normal_direction.Magnitude() > 1.e-9) {
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normal = gp_Dir(normal_direction.XYZ() * rotation_matrix);
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}
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t->addNormal(normal.X(), normal.Y(), normal.Z());
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}
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}
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const Poly_Array1OfTriangle& triangles = tri->Triangles();
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for (int i = 1; i <= triangles.Length(); ++i) {
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int n1, n2, n3;
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if (face.Orientation() == TopAbs_REVERSED)
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triangles(i).Get(n3, n2, n1);
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else triangles(i).Get(n1, n2, n3);
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/* An alternative would be to calculate normals based
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* on the coordinates of the mesh vertices */
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/*
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const gp_XYZ pt1 = coords[n1-1];
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const gp_XYZ pt2 = coords[n2-1];
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const gp_XYZ pt3 = coords[n3-1];
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const gp_XYZ v1 = pt2-pt1;
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const gp_XYZ v2 = pt3-pt2;
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gp_Dir normal = gp_Dir(v1^v2);
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_normals.push_back((float)normal.X());
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_normals.push_back((float)normal.Y());
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_normals.push_back((float)normal.Z());
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*/
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t->addFace(surface_style_id, dict[n1], dict[n2], dict[n3]);
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t->addEdge(dict[n1], dict[n2], edgecount, edges_temp);
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t->addEdge(dict[n2], dict[n3], edgecount, edges_temp);
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t->addEdge(dict[n3], dict[n1], edgecount, edges_temp);
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}
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for (std::vector<std::pair<int, int> >::const_iterator jt = edges_temp.begin(); jt != edges_temp.end(); ++jt) {
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if (edgecount[*jt] == 1) {
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// non manifold edge, face boundary
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t->registerEdge(jt->first, jt->second);
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}
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}
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}
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}
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/*
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TODO: Unimplemented
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if (!t.normals().empty() && settings().get(IfcGeom::IteratorSettings::GENERATE_UVS)) {
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t.uvs() = box_project_uvs(t.verts(), t.normals());
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}
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if (num_faces == 0) {
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// Edges are only emitted if there are no faces. A mixed representation of faces
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// and loose edges is discouraged by the standard. An alternative would be to use
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// TopExp_Explorer texp(s, TopAbs_EDGE, TopAbs_FACE) to find edges that do not
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// belong to any face.
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for (TopExp_Explorer texp(s, TopAbs_EDGE); texp.More(); texp.Next()) {
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BRepAdaptor_Curve crv(TopoDS::Edge(texp.Current()));
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GCPnts_QuasiUniformDeflection tessellater(crv, settings.deflection_tolerance());
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int n = tessellater.NbPoints();
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int start = (int)t->verts().size() / 3;
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for (int i = 1; i <= n; ++i) {
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gp_XYZ p = tessellater.Value(i).XYZ();
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// // In case you want direction arrows on your edges
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// double u = tessellater.Parameter(i);
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// gp_XYZ p2, p3;
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// gp_Pnt tmp;
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// gp_Vec tmp2;
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// crv.D1(u, tmp, tmp2);
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// gp_Dir d1, d2, d3, d4;
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// d1 = tmp2;
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// if (texp.Current().Orientation() == TopAbs_REVERSED) {
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// d1 = -d1;
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// }
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// if (fabs(d1.Z()) < 0.5) {
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// d2 = d1.Crossed(gp::DZ());
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// } else {
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// d2 = d1.Crossed(gp::DY());
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// }
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// d3 = d1.XYZ() + d2.XYZ();
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// d4 = d1.XYZ() - d2.XYZ();
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// p2 = p - d3.XYZ() / 10.;
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// p3 = p - d4.XYZ() / 10.;
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// trsf.Transforms(p2);
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// trsf.Transforms(p3);
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// _material_ids.push_back(surface_style_id);
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// _material_ids.push_back(surface_style_id);
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// _verts.push_back(static_cast<P>(p2.X()));
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// _verts.push_back(static_cast<P>(p2.Y()));
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// _verts.push_back(static_cast<P>(p2.Z()));
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// _verts.push_back(static_cast<P>(p3.X()));
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// _verts.push_back(static_cast<P>(p3.Y()));
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// _verts.push_back(static_cast<P>(p3.Z()));
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trsf.Transforms(p);
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t->material_ids().push_back(surface_style_id);
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t->verts().push_back(static_cast<double>(p.X()));
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t->verts().push_back(static_cast<double>(p.Y()));
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t->verts().push_back(static_cast<double>(p.Z()));
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if (i > 1) {
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t->edges().push_back(start + i - 2);
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t->edges().push_back(start + i - 1);
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// _edges.push_back(start + 3 * (i - 2) + 2);
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// _edges.push_back(start + 3 * (i - 1) + 2);
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}
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// _edges.push_back(start + 3 * (i - 1) + 0);
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// _edges.push_back(start + 3 * (i - 1) + 2);
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// _edges.push_back(start + 3 * (i - 1) + 1);
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// _edges.push_back(start + 3 * (i - 1) + 2);
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}
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}
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}
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*/
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BRepTools::Clean(shape_);
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}
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int ifcopenshell::geometry::OpenCascadeShape::surface_genus() const {
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throw std::runtime_error("Not implemented");
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}
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bool ifcopenshell::geometry::OpenCascadeShape::is_manifold() const {
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throw std::runtime_error("Not implemented");
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}
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@@ -0,0 +1,70 @@
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/********************************************************************************
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* *
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* This file is part of IfcOpenShell. *
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* *
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* IfcOpenShell is free software: you can redistribute it and/or modify *
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* it under the terms of the Lesser GNU General Public License as published by *
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* the Free Software Foundation, either version 3.0 of the License, or *
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* (at your option) any later version. *
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* *
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* IfcOpenShell is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* Lesser GNU General Public License for more details. *
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* *
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* You should have received a copy of the Lesser GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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* *
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********************************************************************************/
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#ifndef IFCGEOMOPENCASCADEREPRESENTATION_H
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#define IFCGEOMOPENCASCADEREPRESENTATION_H
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#include <BRepMesh_IncrementalMesh.hxx>
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#include <BRepGProp_Face.hxx>
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#include <Poly_Triangulation.hxx>
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#include <TColgp_Array1OfPnt.hxx>
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#include <TColgp_Array1OfPnt2d.hxx>
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#include <TopExp_Explorer.hxx>
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#include <BRepTools.hxx>
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#include <gp_GTrsf.hxx>
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#include <BRepAdaptor_Curve.hxx>
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#include <GCPnts_QuasiUniformDeflection.hxx>
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#include "../../../ifcgeom/schema_agnostic/ConversionResult.h"
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namespace ifcopenshell {
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namespace geometry {
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class OpenCascadeShape : public ConversionResultShape {
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public:
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OpenCascadeShape(const TopoDS_Shape& shape)
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: shape_(shape) {}
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const TopoDS_Shape& shape() const { return shape_; }
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operator const TopoDS_Shape& () { return shape_; }
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virtual void Triangulate(const settings& settings, const ifcopenshell::geometry::taxonomy::matrix4& place, Representation::Triangulation* t, int surface_style_id) const;
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virtual void Serialize(std::string&) const {
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throw std::runtime_error("Not implemented");
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}
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virtual ConversionResultShape* clone() const {
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return new OpenCascadeShape(shape_);
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}
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virtual bool is_manifold() const;
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virtual int surface_genus() const;
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private:
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TopoDS_Shape shape_;
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};
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}
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}
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#endif
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@@ -55,7 +55,7 @@ inline static bool ALMOST_THE_SAME(const T& a, const T& b, double tolerance=ALMO
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#include "../../../ifcgeom/schema_agnostic/ConversionResult.h"
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#include "../../../ifcgeom/kernels/opencascade/IfcGeomShapeType.h"
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#include "../../../ifcgeom/schema_agnostic/opencascade/OpenCascadeConversionResult.h"
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#include "../../../ifcgeom/kernels/opencascade/OpenCascadeConversionResult.h"
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#include "../../../ifcgeom/schema_agnostic/ifc_geom_api.h"
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