74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
|
|
//
|
|
// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public License
|
|
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
|
|
// obtain one at http://mozilla.org/MPL/2.0/.
|
|
#include "writeTGF.h"
|
|
#include <cstdio>
|
|
|
|
IGL_INLINE bool igl::writeTGF(
|
|
const std::string tgf_filename,
|
|
const std::vector<std::vector<double> > & C,
|
|
const std::vector<std::vector<int> > & E)
|
|
{
|
|
FILE * tgf_file = fopen(tgf_filename.c_str(),"w");
|
|
if(NULL==tgf_file)
|
|
{
|
|
printf("IOError: %s could not be opened\n",tgf_filename.c_str());
|
|
return false;
|
|
}
|
|
// Loop over vertices
|
|
for(int i = 0; i<(int)C.size();i++)
|
|
{
|
|
assert(C[i].size() == 3);
|
|
// print a line with vertex number then "description"
|
|
// Where "description" in our case is the 3d position in space
|
|
//
|
|
fprintf(tgf_file,
|
|
"%4d "
|
|
"%10.17g %10.17g %10.17g " // current location
|
|
// All others are not needed for this legacy support
|
|
"\n",
|
|
i+1,
|
|
C[i][0], C[i][1], C[i][2]);
|
|
}
|
|
|
|
// print a comment to separate vertices and edges
|
|
fprintf(tgf_file,"#\n");
|
|
|
|
// loop over edges
|
|
for(int i = 0;i<(int)E.size();i++)
|
|
{
|
|
assert(E[i].size()==2);
|
|
fprintf(tgf_file,"%4d %4d\n",
|
|
E[i][0]+1,
|
|
E[i][1]+1);
|
|
}
|
|
|
|
// print a comment to separate edges and faces
|
|
fprintf(tgf_file,"#\n");
|
|
|
|
fclose(tgf_file);
|
|
|
|
return true;
|
|
}
|
|
|
|
#ifndef IGL_NO_EIGEN
|
|
#include "matrix_to_list.h"
|
|
|
|
IGL_INLINE bool igl::writeTGF(
|
|
const std::string tgf_filename,
|
|
const Eigen::MatrixXd & C,
|
|
const Eigen::MatrixXi & E)
|
|
{
|
|
using namespace std;
|
|
vector<vector<double> > vC;
|
|
vector<vector<int> > vE;
|
|
matrix_to_list(C,vC);
|
|
matrix_to_list(E,vE);
|
|
return writeTGF(tgf_filename,vC,vE);
|
|
}
|
|
#endif
|