| 595 |
jab |
1 |
/* ----------------------------------------------------------------------- *
|
|
|
2 |
* This file is part of GEL, http://www.imm.dtu.dk/GEL
|
|
|
3 |
* Copyright (C) the authors and DTU Informatics
|
|
|
4 |
* For license and list of authors, see ../../doc/intro.pdf
|
|
|
5 |
* ----------------------------------------------------------------------- */
|
|
|
6 |
|
|
|
7 |
#include "off_save.h"
|
|
|
8 |
|
|
|
9 |
#include <fstream>
|
|
|
10 |
#include <iostream>
|
|
|
11 |
#include <string>
|
|
|
12 |
#include <vector>
|
|
|
13 |
|
|
|
14 |
#include <CGLA/Vec3f.h>
|
|
|
15 |
|
|
|
16 |
#include "Manifold.h"
|
|
|
17 |
#include "AttributeVector.h"
|
|
|
18 |
|
|
|
19 |
namespace HMesh
|
|
|
20 |
{
|
|
|
21 |
using namespace std;
|
|
|
22 |
using namespace CGLA;
|
|
|
23 |
|
|
|
24 |
bool off_save(const string& filename, Manifold& m)
|
|
|
25 |
{
|
|
|
26 |
ofstream os(filename.data());
|
|
|
27 |
if(os.bad()){
|
|
|
28 |
return false;
|
|
|
29 |
}
|
|
|
30 |
|
|
|
31 |
VertexAttributeVector<int> vmap(m.allocated_vertices());
|
|
|
32 |
|
|
|
33 |
os << "OFF" << "\n";
|
|
|
34 |
os << m.no_vertices() << " " << m.no_faces() << " " << m.no_halfedges()/2 << "\n";
|
|
|
35 |
|
|
|
36 |
int k = 0;
|
|
|
37 |
for(VertexIDIterator v = m.vertices_begin(); v != m.vertices_end(); ++v){
|
|
|
38 |
Vec3d p = m.pos(*v);
|
|
|
39 |
os << "v "<< p[0] << " " << p[1] << " " << p[2] << "\n";
|
|
|
40 |
vmap[*v] = k++;
|
|
|
41 |
}
|
|
|
42 |
|
|
|
43 |
for(FaceIDIterator f = m.faces_begin(); f != m.faces_end(); ++f){
|
|
|
44 |
vector<int> verts;
|
|
|
45 |
for(Walker w = m.walker(*f); !w.full_circle(); w = w.circulate_face_ccw()){
|
|
|
46 |
int idx = vmap[w.vertex()];
|
|
|
47 |
assert(static_cast<size_t>(idx) < m.no_vertices());
|
|
|
48 |
verts.push_back(idx);
|
|
|
49 |
}
|
|
|
50 |
os << verts.size() << " ";
|
|
|
51 |
for(size_t i = 0; i < verts.size() ; ++i){
|
|
|
52 |
os << verts[i] << " ";
|
|
|
53 |
}
|
|
|
54 |
os << "\n";
|
|
|
55 |
}
|
|
|
56 |
return true;
|
|
|
57 |
}
|
|
|
58 |
|
|
|
59 |
}
|