mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-09-10 14:07:43 +00:00
Thomas Krijnen
121 lines
4.4 KiB
C++
121 lines
4.4 KiB
C++
/********************************************************************************
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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 CGAL_KERNEL_H
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#define CGAL_KERNEL_H
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/*
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#ifdef NO_CACHE
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#define IN_CACHE(T,E,t,e)
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#define CACHE(T,E,e)
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#else
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#define IN_CACHE(T,E,t,e) std::map<int,t>::const_iterator it = cache.T.find(E->entity->id());\
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if ( it != cache.T.end() ) { e = it->second; return true; }
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#define CACHE(T,E,e) cache.T[E->entity->id()] = e;
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#endif
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*/
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#include <cmath>
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#include "../../../ifcparse/macros.h"
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#include "../../../ifcgeom/kernel_agnostic/AbstractKernel.h"
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#include "../../../ifcgeom/schema_agnostic/IfcGeomElement.h"
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#include "../../../ifcgeom/kernels/cgal/CgalConversionResult.h"
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// @todo create separate shapetype enum?
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#include "../../../ifcgeom/kernels/opencascade/IfcGeomShapeType.h"
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struct PolyhedronBuilder : public CGAL::Modifier_base<CGAL::Polyhedron_3<Kernel_>::HalfedgeDS> {
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private:
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std::list<cgal_face_t> *face_list;
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public:
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PolyhedronBuilder(std::list<cgal_face_t> *face_list) {
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this->face_list = face_list;
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}
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void operator()(CGAL::Polyhedron_3<Kernel_>::HalfedgeDS &hds) {
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std::list<Kernel_::Point_3> points;
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std::list<std::list<std::size_t>> facet_vertices;
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CGAL::Polyhedron_incremental_builder_3<CGAL::Polyhedron_3<Kernel_>::HalfedgeDS> builder(hds, true);
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for (auto &face: *face_list) {
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facet_vertices.push_back(std::list<std::size_t>());
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for (auto &point: face.outer) {
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facet_vertices.back().push_back(points.size());
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points.push_back(point);
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}
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}
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builder.begin_surface(points.size(), facet_vertices.size());
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for (auto &point: points) {
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// std::cout << "Adding point " << point << std::endl;
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builder.add_vertex(point);
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}
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for (auto &facet: facet_vertices) {
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builder.begin_facet();
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// std::cout << "Adding facet ";
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for (auto &vertex: facet) {
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// std::cout << vertex << " ";
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builder.add_vertex_to_facet(vertex);
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}
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// std::cout << std::endl;
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builder.end_facet();
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}
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builder.end_surface();
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}
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};
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namespace ifcopenshell {
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namespace geometry {
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namespace kernels {
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class IFC_GEOM_API CgalKernel : public AbstractKernel {
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public:
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CgalKernel()
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: AbstractKernel("cgal") {}
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void remove_duplicate_points_from_loop(cgal_wire_t& polygon);
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CGAL::Polyhedron_3<Kernel_> create_polyhedron(std::list<cgal_face_t> &face_list);
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CGAL::Polyhedron_3<Kernel_> create_polyhedron(CGAL::Nef_polyhedron_3<Kernel_> &nef_polyhedron);
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CGAL::Nef_polyhedron_3<Kernel_> create_nef_polyhedron(std::list<cgal_face_t> &face_list);
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CGAL::Nef_polyhedron_3<Kernel_> create_nef_polyhedron(CGAL::Polyhedron_3<Kernel_> &polyhedron);
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bool convert(const taxonomy::face*, cgal_face_t&);
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bool convert(const taxonomy::loop*, cgal_wire_t&);
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bool convert(const taxonomy::shell* l, cgal_shape_t& shape);
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virtual bool convert_impl(const taxonomy::shell*, ifcopenshell::geometry::ConversionResults&);
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// virtual bool convert_impl(const taxonomy::extrusion*, ifcopenshell::geometry::ConversionResults&);
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};
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}
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}
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}
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#endif |