WebSVN – gelsvn – Diff – /trunk/src/HMesh/off_save.cpp


/* ----------------------------------------------------------------------- *
 * This file is part of GEL, http://www.imm.dtu.dk/GEL
 * Copyright (C) the authors and DTU Informatics
 * For license and list of authors, see ../../doc/intro.pdf
 * ----------------------------------------------------------------------- */
 
#include "off_save.h"
 
#include <fstream>
#include <iostream>
#include <string>
#include <vector>
 
#include "../CGLA/Vec3f.h"
 
#include "Manifold.h"
#include "AttributeVector.h"
 
namespace HMesh
{
    using namespace std;
    using namespace CGLA;
 
    bool off_save(const string& filename, Manifold& m)
    {
        ofstream os(filename.data());
        if(os.bad()){
            return false;
        }
 
        VertexAttributeVector<int> vmap(m.allocated_vertices());
 
        os << "OFF" << "\n";
        os << m.no_vertices() << " " << m.no_faces() << " " << m.no_halfedges()/2 << "\n";
 
        int k = 0;
        for(VertexIDIterator v = m.vertices_begin(); v != m.vertices_end(); ++v){
            Vec3d p = m.pos(*v);
            os << "v "<< p[0] << " " << p[1] << " " << p[2] << "\n";
            vmap[*v] = k++;
        }
 
        for(FaceIDIterator f = m.faces_begin(); f != m.faces_end(); ++f){        
            vector<int> verts;
            for(Walker w = m.walker(*f); !w.full_circle(); w = w.circulate_face_ccw()){
                int idx = vmap[w.vertex()];			
                assert(static_cast<size_t>(idx) < m.no_vertices());
                verts.push_back(idx);
            }
            os << verts.size() << " ";
            for(size_t i = 0; i < verts.size() ; ++i){	   
                os << verts[i] << " ";
            }
            os << "\n";
        }
        return true;
    }
 
}
 
Generated by GNU Enscript 1.6.6.
 
 
 

Rev 595	Rev 601
1	`/* ----------------------------------------------------------------------- *`	1	`/* ----------------------------------------------------------------------- *`
2	`* This file is part of GEL, http://www.imm.dtu.dk/GEL`	2	`* This file is part of GEL, http://www.imm.dtu.dk/GEL`
3	`* Copyright (C) the authors and DTU Informatics`	3	`* Copyright (C) the authors and DTU Informatics`
4	`* For license and list of authors, see ../../doc/intro.pdf`	4	`* For license and list of authors, see ../../doc/intro.pdf`
5	`* ----------------------------------------------------------------------- */`	5	`* ----------------------------------------------------------------------- */`
6		6
7	`#include "off_save.h"`	7	`#include "off_save.h"`
8		8
9	`#include <fstream>`	9	`#include <fstream>`
10	`#include <iostream>`	10	`#include <iostream>`
11	`#include <string>`	11	`#include <string>`
12	`#include <vector>`	12	`#include <vector>`
13		13
14	`#include <CGLA/Vec3f.h>`	14	`#include "../CGLA/Vec3f.h"`
15		15
16	`#include "Manifold.h"`	16	`#include "Manifold.h"`
17	`#include "AttributeVector.h"`	17	`#include "AttributeVector.h"`
18		18
19	`namespace HMesh`	19	`namespace HMesh`
20	`{`	20	`{`
21	`using namespace std;`	21	`using namespace std;`
22	`using namespace CGLA;`	22	`using namespace CGLA;`
23		23
24	`bool off_save(const string& filename, Manifold& m)`	24	`bool off_save(const string& filename, Manifold& m)`
25	`{`	25	`{`
26	`ofstream os(filename.data());`	26	`ofstream os(filename.data());`
27	`if(os.bad()){`	27	`if(os.bad()){`
28	`return false;`	28	`return false;`
29	`}`	29	`}`
30		30
31	`VertexAttributeVector<int> vmap(m.allocated_vertices());`	31	`VertexAttributeVector<int> vmap(m.allocated_vertices());`
32		32
33	`os << "OFF" << "\n";`	33	`os << "OFF" << "\n";`
34	`os << m.no_vertices() << " " << m.no_faces() << " " << m.no_halfedges()/2 << "\n";`	34	`os << m.no_vertices() << " " << m.no_faces() << " " << m.no_halfedges()/2 << "\n";`
35		35
36	`int k = 0;`	36	`int k = 0;`
37	`for(VertexIDIterator v = m.vertices_begin(); v != m.vertices_end(); ++v){`	37	`for(VertexIDIterator v = m.vertices_begin(); v != m.vertices_end(); ++v){`
38	`Vec3d p = m.pos(*v);`	38	`Vec3d p = m.pos(*v);`
39	`os << "v "<< p[0] << " " << p[1] << " " << p[2] << "\n";`	39	`os << "v "<< p[0] << " " << p[1] << " " << p[2] << "\n";`
40	`vmap[*v] = k++;`	40	`vmap[*v] = k++;`
41	`}`	41	`}`
42		42
43	`for(FaceIDIterator f = m.faces_begin(); f != m.faces_end(); ++f){`	43	`for(FaceIDIterator f = m.faces_begin(); f != m.faces_end(); ++f){`
44	`vector<int> verts;`	44	`vector<int> verts;`
45	`for(Walker w = m.walker(*f); !w.full_circle(); w = w.circulate_face_ccw()){`	45	`for(Walker w = m.walker(*f); !w.full_circle(); w = w.circulate_face_ccw()){`
46	`int idx = vmap[w.vertex()];`	46	`int idx = vmap[w.vertex()];`
47	`assert(static_cast<size_t>(idx) < m.no_vertices());`	47	`assert(static_cast<size_t>(idx) < m.no_vertices());`
48	`verts.push_back(idx);`	48	`verts.push_back(idx);`
49	`}`	49	`}`
50	`os << verts.size() << " ";`	50	`os << verts.size() << " ";`
51	`for(size_t i = 0; i < verts.size() ; ++i){`	51	`for(size_t i = 0; i < verts.size() ; ++i){`
52	`os << verts[i] << " ";`	52	`os << verts[i] << " ";`
53	`}`	53	`}`
54	`os << "\n";`	54	`os << "\n";`
55	`}`	55	`}`
56	`return true;`	56	`return true;`
57	`}`	57	`}`
58		58
59	`}`	59	`}`
60		60
61	`Generated by GNU Enscript 1.6.6.`	61	`Generated by GNU Enscript 1.6.6.`
62		62
63		63
64		64

Subversion Repositories gelsvn

(root)/trunk/src/HMesh/off_save.cpp – Rev 595 → 601