Skip to content

GitLab

Création d'un compte pour un collaborateur extérieur au laboratoire depuis l'intranet ICube : https://intranet.icube.unistra.fr/fr/labs/member/profile

Commit 36387714 authored by Sylvain Thery's avatar Sylvain Thery
Browse files

add import NAS volume files

parent 82d4fd2e
Hide whitespace changes
Inline Side-by-side
include/Algo/Import/import.h
View file @ 36387714
......@@ -124,6 +124,9 @@ bool importMSH(typename PFP::MAP& the_map, const std::string& filename, std::vec
template <typename PFP>
bool importVTU(typename PFP::MAP& the_map, const std::string& filename, std::vector<std::string>& attrNames, float scaleFactor = 1.0f);
template <typename PFP>
bool importNAS(typename PFP::MAP& the_map, const std::string& filename, std::vector<std::string>& attrNames, float scaleFactor = 1.0f);
} // Import
......@@ -143,6 +146,7 @@ bool importVTU(typename PFP::MAP& the_map, const std::string& filename, std::vec
#include "Algo/Import/importNodeEle.hpp"
#include "Algo/Import/importMSH.hpp"
#include "Algo/Import/importVTU.hpp"
#include "Algo/Import/importNAS.hpp"
#include "Algo/Import/importChoupi.hpp"
......
include/Algo/Import/importMesh.hpp
View file @ 36387714
......@@ -552,6 +552,9 @@ bool importMesh(typename PFP::MAP& map, const std::string& filename, std::vector
return importVTU<PFP>(map, filename, attrNames, 1.0f);
break;
case NAS:
return importNAS<PFP>(map, filename, attrNames, 1.0f);
break;
case OFF:
{
......
include/Algo/Import/importNAS.hpp 0 → 100644
View file @ 36387714
/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps *
* version 0.1 *
* Copyright (C) 2009-2012, IGG Team, LSIIT, University of Strasbourg *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by the *
* Free Software Foundation; either version 2.1 of the License, or (at your *
* option) any later version. *
* *
* This library 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 GNU Lesser General Public License *
* for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
* *
* Web site: http://cgogn.unistra.fr/ *
* Contact information: cgogn@unistra.fr *
* *
*******************************************************************************/
#include "Algo/Modelisation/polyhedron.h"
#include "Geometry/orientation.h"
#include <vector>
namespace CGoGN
{
namespace Algo
{
namespace Volume
{
namespace Import
{
float floatFromNas(std::string& s_v)
{
float x = 0.0f;
std::size_t pos1 = s_v.find_last_of('-');
if ((pos1!=std::string::npos) && (pos1!=0))
{
std::string res = s_v.substr(0,pos1) + "e" + s_v.substr(pos1,8-pos1);
x = atof(res.c_str());
}
else
{
std::size_t pos2 = s_v.find_last_of('+');
if ((pos2!=std::string::npos) && (pos2!=0))
{
std::string res = s_v.substr(0,pos2) + "e" + s_v.substr(pos2,8-pos2);
x = atof(res.c_str());
}
else
{
x = atof(s_v.c_str());
}
}
return x;
}
template <typename PFP>
bool importNAS(typename PFP::MAP& map, const std::string& filename, std::vector<std::string>& attrNames, float scaleFactor)
{
typedef typename PFP::VEC3 VEC3;
VertexAttribute<VEC3> position = map.template addAttribute<VEC3, VERTEX>("position") ;
attrNames.push_back(position.name()) ;
AttributeContainer& container = map.template getAttributeContainer<VERTEX>() ;
VertexAutoAttribute< NoMathIONameAttribute< std::vector<Dart> > > vecDartsPerVertex(map, "incidents");
//open file
std::ifstream fp(filename.c_str(), std::ios::in);
if (!fp.good())
{
CGoGNerr << "Unable to open file " << filename << CGoGNendl;
return false;
}
std::string ligne;
std::string tag;
std::getline (fp, ligne);
do
{
std::getline (fp, ligne);
tag = ligne.substr(0,4);
} while (tag !="GRID");
unsigned int m_nbVertices = 0;
//reading vertices
std::map<unsigned int, unsigned int> verticesMapID;
do
{
std::string s_v = ligne.substr(8,8);
unsigned int ind = atoi(s_v.c_str());
s_v = ligne.substr(24,8);
float x = floatFromNas(s_v);
s_v = ligne.substr(32,8);
float y = floatFromNas(s_v);
s_v = ligne.substr(40,8);
float z = floatFromNas(s_v);
VEC3 pos(x*scaleFactor,y*scaleFactor,z*scaleFactor);
unsigned int id = container.insertLine();
position[id] = pos;
verticesMapID.insert(std::pair<unsigned int, unsigned int>(ind,id));
// std::cout << "P: "<< ind << " "<<x<<", "<<y<<", "<<z << std::endl;
std::getline (fp, ligne);
tag = ligne.substr(0,4);
m_nbVertices++;
} while (tag =="GRID");
std::vector<Geom::Vec4ui> tet;
tet.reserve(1000);
std::vector<Geom::Vec4ui> hexa;
tet.reserve(1000);
do
{
std::string s_v = ligne.substr(0,6);
if (s_v == "CHEXA ")
{
s_v = ligne.substr(24,8);
unsigned int ind1 = atoi(s_v.c_str());
s_v = ligne.substr(32,8);
unsigned int ind2 = atoi(s_v.c_str());
s_v = ligne.substr(40,8);
unsigned int ind3 = atoi(s_v.c_str());
s_v = ligne.substr(48,8);
unsigned int ind4 = atoi(s_v.c_str());
s_v = ligne.substr(56,8);
unsigned int ind5 = atoi(s_v.c_str());
s_v = ligne.substr(64,8);
unsigned int ind6 = atoi(s_v.c_str());
std::getline (fp, ligne);
s_v = ligne.substr(8,8);
unsigned int ind7 = atoi(s_v.c_str());
s_v = ligne.substr(16,8);
unsigned int ind8 = atoi(s_v.c_str());
typename PFP::VEC3 P = position[verticesMapID[ind5]];
typename PFP::VEC3 A = position[verticesMapID[ind1]];
typename PFP::VEC3 B = position[verticesMapID[ind2]];
typename PFP::VEC3 C = position[verticesMapID[ind3]];
Geom::Vec4ui v;
if (Geom::testOrientation3D<typename PFP::VEC3>(P,A,B,C) == Geom::OVER)
{
v[0] = ind4;
v[1] = ind3;
v[2] = ind2;
v[3] = ind1;
hexa.push_back(v);
v[0] = ind8;
v[1] = ind7;
v[2] = ind6;
v[3] = ind5;
hexa.push_back(v);
}
else
{
v[0] = ind1;
v[1] = ind2;
v[2] = ind3;
v[3] = ind4;
hexa.push_back(v);
v[0] = ind5;
v[1] = ind6;
v[2] = ind7;
v[3] = ind8;
hexa.push_back(v);
}
}
if (s_v == "CTETRA")
{
s_v = ligne.substr(24,8);
unsigned int ind1 = atoi(s_v.c_str());
s_v = ligne.substr(32,8);
unsigned int ind2 = atoi(s_v.c_str());
s_v = ligne.substr(40,8);
unsigned int ind3 = atoi(s_v.c_str());
s_v = ligne.substr(48,8);
unsigned int ind4 = atoi(s_v.c_str());
typename PFP::VEC3 P = position[verticesMapID[ind1]];
typename PFP::VEC3 A = position[verticesMapID[ind2]];
typename PFP::VEC3 B = position[verticesMapID[ind3]];
typename PFP::VEC3 C = position[verticesMapID[ind4]];
Geom::Vec4ui v;
if (Geom::testOrientation3D<typename PFP::VEC3>(P,A,B,C) == Geom::OVER)
{
v[0] = ind4;
v[1] = ind3;
v[2] = ind2;
v[3] = ind1;
}
else
{
v[0] = ind1;
v[1] = ind2;
v[2] = ind3;
v[3] = ind4;
}
tet.push_back(v);
}
std::getline (fp, ligne);
tag = ligne.substr(0,4);
} while (!fp.eof());
CGoGNout << "nb points = " << m_nbVertices ;
unsigned int m_nbVolumes = 0;
DartMarkerNoUnmark m(map) ;
if (tet.size() > 0)
{
m_nbVolumes += tet.size();
//Read and embed all tetrahedrons
for(unsigned int i = 0; i < tet.size() ; ++i)
{
//start one tetra
// Geom::Vec4ui& pt = tet[i];
Geom::Vec4ui pt;
pt[0] = tet[i][0];
pt[1] = tet[i][1];
pt[2] = tet[i][2];
pt[3] = tet[i][3];
Dart d = Surface::Modelisation::createTetrahedron<PFP>(map,false);
// Embed three "base" vertices
for(unsigned int j = 0 ; j < 3 ; ++j)
{
FunctorSetEmb<typename PFP::MAP, VERTEX> fsetemb(map, verticesMapID[pt[2-j]]);
map.template foreach_dart_of_orbit<PFP::MAP::VERTEX_OF_PARENT>(d, fsetemb);
//store darts per vertices to optimize reconstruction
Dart dd = d;
do
{
m.mark(dd) ;
vecDartsPerVertex[verticesMapID[pt[2-j]]].push_back(dd);
dd = map.phi1(map.phi2(dd));
} while(dd != d);
d = map.phi1(d);
}
//Embed the last "top" vertex
d = map.phi_1(map.phi2(d));
FunctorSetEmb<typename PFP::MAP, VERTEX> fsetemb(map, verticesMapID[pt[3]]);
map.template foreach_dart_of_orbit<PFP::MAP::VERTEX_OF_PARENT>(d, fsetemb);
//store darts per vertices to optimize reconstruction
Dart dd = d;
do
{
m.mark(dd) ;
vecDartsPerVertex[verticesMapID[pt[3]]].push_back(dd);
dd = map.phi1(map.phi2(dd));
} while(dd != d);
//end of tetra
}
CGoGNout << " / nb tetra = " << tet.size() << CGoGNendl;
}
if (hexa.size() > 0)
{
m_nbVolumes += hexa.size()/2;
//Read and embed all tetrahedrons
for(unsigned int i = 0; i < hexa.size()/2 ; ++i)
{
// one hexa
Geom::Vec4ui pt;
pt[0] = hexa[2*i][0];
pt[1] = hexa[2*i][1];
pt[2] = hexa[2*i][2];
pt[3] = hexa[2*i][3];
Geom::Vec4ui ppt;
ppt[0] = hexa[2*i+1][0];
ppt[1] = hexa[2*i+1][1];
ppt[2] = hexa[2*i+1][2];
ppt[3] = hexa[2*i+1][3];
Dart d = Surface::Modelisation::createHexahedron<PFP>(map,false);
FunctorSetEmb<typename PFP::MAP, VERTEX> fsetemb(map, verticesMapID[pt[0]]);
map.template foreach_dart_of_orbit<PFP::MAP::VERTEX_OF_PARENT>(d, fsetemb);
Dart dd = d;
vecDartsPerVertex[verticesMapID[pt[0]]].push_back(dd); m.mark(dd); dd = map.phi1(map.phi2(dd));
vecDartsPerVertex[verticesMapID[pt[0]]].push_back(dd); m.mark(dd); dd = map.phi1(map.phi2(dd));
vecDartsPerVertex[verticesMapID[pt[0]]].push_back(dd); m.mark(dd);
d = map.phi1(d);
fsetemb.changeEmb(verticesMapID[pt[1]]);
map.template foreach_dart_of_orbit<PFP::MAP::VERTEX_OF_PARENT>(d, fsetemb);
dd = d;
vecDartsPerVertex[verticesMapID[pt[1]]].push_back(dd); m.mark(dd); dd = map.phi1(map.phi2(dd));
vecDartsPerVertex[verticesMapID[pt[1]]].push_back(dd); m.mark(dd); dd = map.phi1(map.phi2(dd));
vecDartsPerVertex[verticesMapID[pt[1]]].push_back(dd); m.mark(dd);
d = map.phi1(d);
fsetemb.changeEmb(verticesMapID[pt[2]]);
map.template foreach_dart_of_orbit<PFP::MAP::VERTEX_OF_PARENT>(d, fsetemb);
dd = d;
vecDartsPerVertex[verticesMapID[pt[2]]].push_back(dd); m.mark(dd); dd = map.phi1(map.phi2(dd));
vecDartsPerVertex[verticesMapID[pt[2]]].push_back(dd); m.mark(dd); dd = map.phi1(map.phi2(dd));
vecDartsPerVertex[verticesMapID[pt[2]]].push_back(dd); m.mark(dd);
d = map.phi1(d);
fsetemb.changeEmb(verticesMapID[pt[3]]);
map.template foreach_dart_of_orbit<PFP::MAP::VERTEX_OF_PARENT>(d, fsetemb);
dd = d;
vecDartsPerVertex[verticesMapID[pt[3]]].push_back(dd); m.mark(dd); dd = map.phi1(map.phi2(dd));
vecDartsPerVertex[verticesMapID[pt[3]]].push_back(dd); m.mark(dd); dd = map.phi1(map.phi2(dd));
vecDartsPerVertex[verticesMapID[pt[3]]].push_back(dd); m.mark(dd);
d = map.template phi<2112>(d);
fsetemb.changeEmb(verticesMapID[ppt[0]]);
map.template foreach_dart_of_orbit<PFP::MAP::VERTEX_OF_PARENT>(d, fsetemb);
dd = d;
vecDartsPerVertex[verticesMapID[ppt[0]]].push_back(dd); m.mark(dd); dd = map.phi1(map.phi2(dd));
vecDartsPerVertex[verticesMapID[ppt[0]]].push_back(dd); m.mark(dd); dd = map.phi1(map.phi2(dd));
vecDartsPerVertex[verticesMapID[ppt[0]]].push_back(dd); m.mark(dd);
d = map.phi_1(d);
fsetemb.changeEmb(verticesMapID[ppt[1]]);
map.template foreach_dart_of_orbit<PFP::MAP::VERTEX_OF_PARENT>(d, fsetemb);
dd = d;
vecDartsPerVertex[verticesMapID[ppt[1]]].push_back(dd); m.mark(dd); dd = map.phi1(map.phi2(dd));
vecDartsPerVertex[verticesMapID[ppt[1]]].push_back(dd); m.mark(dd); dd = map.phi1(map.phi2(dd));
vecDartsPerVertex[verticesMapID[ppt[1]]].push_back(dd); m.mark(dd);
d = map.phi_1(d);
fsetemb.changeEmb(verticesMapID[ppt[2]]);
map.template foreach_dart_of_orbit<PFP::MAP::VERTEX_OF_PARENT>(d, fsetemb);
dd = d;
vecDartsPerVertex[verticesMapID[ppt[2]]].push_back(dd); m.mark(dd); dd = map.phi1(map.phi2(dd));
vecDartsPerVertex[verticesMapID[ppt[2]]].push_back(dd); m.mark(dd); dd = map.phi1(map.phi2(dd));
vecDartsPerVertex[verticesMapID[ppt[2]]].push_back(dd); m.mark(dd);
d = map.phi_1(d);
fsetemb.changeEmb(verticesMapID[ppt[3]]);
map.template foreach_dart_of_orbit<PFP::MAP::VERTEX_OF_PARENT>(d, fsetemb);
dd = d;
vecDartsPerVertex[verticesMapID[ppt[3]]].push_back(dd); m.mark(dd); dd = map.phi1(map.phi2(dd));
vecDartsPerVertex[verticesMapID[ppt[3]]].push_back(dd); m.mark(dd); dd = map.phi1(map.phi2(dd));
vecDartsPerVertex[verticesMapID[ppt[3]]].push_back(dd); m.mark(dd);
//end of hexa
}
CGoGNout << " / nb hexa = " << hexa.size()/2 << CGoGNendl;
}
//Association des phi3
unsigned int nbBoundaryFaces = 0 ;
for (Dart d = map.begin(); d != map.end(); map.next(d))
{
if (m.isMarked(d))
{
std::vector<Dart>& vec = vecDartsPerVertex[map.phi1(d)];
Dart good_dart = NIL;
for(typename std::vector<Dart>::iterator it = vec.begin(); it != vec.end() && good_dart == NIL; ++it)
{
if(map.template getEmbedding<VERTEX>(map.phi1(*it)) == map.template getEmbedding<VERTEX>(d) &&
map.template getEmbedding<VERTEX>(map.phi_1(*it)) == map.template getEmbedding<VERTEX>(map.template phi<11>(d)))
{
good_dart = *it ;
}
}
if (good_dart != NIL)
{
map.sewVolumes(d, good_dart, false);
m.template unmarkOrbit<FACE>(d);
}
else
{
m.unmarkOrbit<PFP::MAP::FACE_OF_PARENT>(d);
++nbBoundaryFaces;
}
}
}
if (nbBoundaryFaces > 0)
{
std::cout << "closing" << std::endl ;
map.closeMap();
CGoGNout << "Map closed (" << nbBoundaryFaces << " boundary faces)" << CGoGNendl;
}
fp.close();
return true;
}
} // namespace Import
}
} // namespace Algo
} // namespace CGoGN
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment