123 lines
5.0 KiB
C++
123 lines
5.0 KiB
C++
/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2004-2012 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program 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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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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#include <vcg/complex/complex.h>
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#include <vcg/complex/algorithms/update/topology.h>
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#include <vcg/complex/algorithms/update/bounding.h>
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#include <vcg/complex/algorithms/update/flag.h>
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#include <vcg/complex/algorithms/clean.h>
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#include <vcg/complex/algorithms/intersection.h>
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#include <vcg/space/index/grid_static_ptr.h>
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// VCG File Format Importer/Exporter
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#include <wrap/io_trimesh/import.h>
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#include <wrap/io_edgemesh/export_svg.h>
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#include <wrap/io_edgemesh/export_dxf.h>
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using namespace std;
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using namespace vcg;
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class MyFace;
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class MyEdge;
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class MyVertex;
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struct MyUsedTypes : public UsedTypes< Use<MyVertex> ::AsVertexType,
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Use<MyEdge> ::AsEdgeType,
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Use<MyFace> ::AsFaceType>{};
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class MyVertex : public Vertex< MyUsedTypes, vertex::Coord3f, vertex::BitFlags, vertex::Normal3f, vertex::Mark>{};
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class MyEdge : public Edge< MyUsedTypes, edge::VertexRef, edge::EVAdj> {};
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class MyFace : public Face <MyUsedTypes, face::VertexRef,face::FFAdj, face::BitFlags, face::Normal3f> {};
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class MyEdgeMesh: public tri::TriMesh< vector<MyVertex>, vector<MyEdge> > {};
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class MyMesh : public tri::TriMesh< vector<MyVertex>, vector<MyFace > >{};
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typedef vcg::GridStaticPtr<MyMesh::FaceType, MyMesh::ScalarType> TriMeshGrid;
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int main(int argc,char ** argv)
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{
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if (argc<6)
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{
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printf("\n");
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printf(" Usage: trimesh_intersection <filename> <a> <b> <c> <d>\n\n");
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printf(" <filename> Mesh model to intersect (PLY format).\n");
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printf(" <a> <b> <c> <d> The coefficients that specifying a plane in the form:\n\n");
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printf(" a*x + b*y + c*z + d = 0\n\n\n");
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printf(" Example: trimesh_intersection bunny.ply 0.0 1.0 0.0 0.0\n\n");
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return 0;
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}
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MyMesh m;
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// open a mesh
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int err = tri::io::Importer<MyMesh>::Open(m,argv[1]);
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if(err)
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{
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printf("Error in reading %s: '%s'\n",argv[1],tri::io::Importer<MyMesh>::ErrorMsg(err));
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exit(-1);
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}
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// some cleaning to get rid of bad file formats like stl that duplicate vertexes..
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int dup = tri::Clean<MyMesh>::RemoveDuplicateVertex(m);
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int unref = tri::Clean<MyMesh>::RemoveUnreferencedVertex(m);
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if (dup > 0 || unref > 0)
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printf("Removed %i duplicate and %i unreferenced vertices from mesh %s\n",dup,unref,argv[1]);
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// Compute cross-intersection with the given plane
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/////////////////////////////////////////////////////////
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MyMesh::ScalarType a = static_cast<MyMesh::ScalarType>(atof(argv[2]));
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MyMesh::ScalarType b = static_cast<MyMesh::ScalarType>(atof(argv[3]));
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MyMesh::ScalarType c = static_cast<MyMesh::ScalarType>(atof(argv[4]));
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MyMesh::ScalarType d = static_cast<MyMesh::ScalarType>(atof(argv[5]));
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vcg::Point3<MyMesh::ScalarType> direction(a, b, c);
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MyMesh::ScalarType distance = -d / direction.Norm();
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direction.Normalize();
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vcg::Plane3<MyMesh::ScalarType> plane(distance, direction);
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MyEdgeMesh edge_mesh; // returned EdgeMesh (i.e. the cross-section)
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vcg::IntersectionPlaneMesh<MyMesh, MyEdgeMesh, MyMesh::ScalarType>(m, plane, edge_mesh);
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// Compute bounding box
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vcg::tri::UpdateBounding<MyEdgeMesh>::Box(edge_mesh);
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// export the cross-section
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tri::io::SVGProperties pro;
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if (tri::io::ExporterSVG<MyEdgeMesh>::Save(edge_mesh, "out.svg",pro))
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printf(" The cross-intersection has been successfully saved (OUT.SVG).\n");
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else
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printf(" The cross-intersection cannot be saved.\n");
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return 0;
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}
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