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/* ----------------------------------------------------------------------- *
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* This file is part of GEL, http://www.imm.dtu.dk/GEL
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* Copyright (C) the authors and DTU Informatics
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* For license and list of authors, see ../../doc/intro.pdf
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* ----------------------------------------------------------------------- */
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#include "x3d_save.h"
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#include <fstream>
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#include <vector>
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#include "../CGLA/Vec3f.h"
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#include "Manifold.h"
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#include "AttributeVector.h"
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namespace HMesh
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{
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using namespace std;
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using namespace CGLA;
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namespace
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{
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const string X3D_BEGIN =
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"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
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"<!DOCTYPE X3D PUBLIC \"http://www.web3D.org/TaskGroups/x3d/translation/x3d-compact.dtd\"\n"
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"\"/www.web3d.org/TaskGroups/x3d/translation/x3d-compact.dtd\">\n"
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"<X3D>\n"
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" <head>\n"
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" </head>\n"
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" <Scene>\n"
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" <Viewpoint description=\"Pyramid\" orientation=\"0 1 0 .2\" position=\"4 0 25\"/>\n"
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" <NavigationInfo type=\"EXAMINE ANY\"/>\n";
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const string X3D_END =
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" </Scene>\n"
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"</X3D>\n";
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}
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bool x3d_save(const std::string& filename, Manifold& m)
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{
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ofstream os(filename.data());
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if(os.bad()){
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return false;
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}
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os << X3D_BEGIN << "\n";
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os << "<Shape>\n"
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<< "<Appearance>\n"
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<< "<Material diffuseColor=\"0.8 0.8 0.2\" specularColor=\"0 0 0.5\"/>\n"
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<< "</Appearance>\n";
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os << "<Coordinate point=\"" << "\n";
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VertexAttributeVector<int> vmap(m.allocated_vertices());
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int k = 0;
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for(VertexIDIterator v = m.vertices_begin(); v != m.vertices_end(); ++v){
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Vec3d p = m.pos(*v);
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os << p[0] << " " << p[1] << " " << p[2] << "\n";
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vmap[*v] = k++;
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}
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os << "\"/>" << "\n";
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os << "<IndexedFaceSet coordIndex=\"" << endl;
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for(FaceIDIterator f = m.faces_begin(); f != m.faces_end(); ++f){
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vector<int> verts;
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for(Walker w = m.walker(*f); !w.full_circle(); w = w.circulate_face_ccw()){
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int idx = vmap[w.vertex()];
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assert(static_cast<size_t>(idx) < m.no_vertices());
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verts.push_back(idx);
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}
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//assert(verts.size()==3);
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for(size_t i = 0; i < verts.size(); ++i){
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os << verts[i] << " ";
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}
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os << " -1\n";
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}
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os << "\">" << "\n";
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os << "</IndexedFaceSet>\n"
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<< "</Shape>\n";
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os << X3D_END << "\n";
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return true;
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}
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}
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