WebSVN – gelsvn – Diff – /trunk/src/Geometry/ply_load.cpp


/*
 *  ply_load.cpp
 *  GEL
 *
 *  Created by J. Andreas Bærentzen on 08/08/07.
 *  Copyright 2007 __MyCompanyName__. All rights reserved.
 *
 */
 
 
#include <stdio.h>
#include <math.h>
#include <string.h>
#include "rply.h"
#include "ply_load.h"
#include <CGLA/Vec4f.h>
 
using namespace std;
using namespace Geometry;
using namespace CGLA;
 
namespace 
{
	
	TriMesh *mesh;
	
	int vertex_cb(p_ply_argument argument) {
		static int idx=0;
		static Vec3f p;
		long eol;
		ply_get_argument_user_data(argument, NULL, &eol);
		if(idx<3)
			p[idx] = ply_get_argument_value(argument);
		++idx;
		if (eol) 
		{
			mesh->geometry.add_vertex(p);
			idx=0;
		}
		return 1;
	}
	
	int face_cb(p_ply_argument argument) {
		static Vec3i f;
 
		long length, value_index;
		ply_get_argument_property(argument, NULL, &length, &value_index);
		if(value_index >= 0)
		{
			if(value_index < 2)
				f[value_index] = ply_get_argument_value(argument);	
			else
			{
				f[2] = ply_get_argument_value(argument);
				mesh->mat_idx.push_back(0);
				mesh->geometry.add_face(f);
				f[1] = f[2];
			}
		}
		return 1;
	}
}
 
namespace Geometry
{
	void ply_load(const std::string& fn, Geometry::TriMesh& _mesh)
	{
		mesh = &_mesh;
		
		_mesh.materials.resize(1);
		_mesh.materials[0].diffuse[0] = 172.0f/256.0f; 
		_mesh.materials[0].diffuse[1] = 48.0f/256.0f;
		_mesh.materials[0].diffuse[2] = 72.0f/256.0f;
		_mesh.materials[0].specular[0] = 0.6f; 
		_mesh.materials[0].specular[1] = 0.6f;
		_mesh.materials[0].specular[2] = 0.6f;
		_mesh.materials[0].shininess = 128.0f;
		
		long nvertices, ntriangles;
		p_ply ply = ply_open(fn.c_str(), NULL);
		if (!ply) return;
		if (!ply_read_header(ply)) return;
		nvertices = ply_set_read_cb(ply, "vertex", "x", vertex_cb, NULL, 0);
		ply_set_read_cb(ply, "vertex", "y", vertex_cb, NULL, 0);
		ply_set_read_cb(ply, "vertex", "z", vertex_cb, NULL, 1);
		ntriangles = ply_set_read_cb(ply, "face", "vertex_indices", face_cb, NULL, 0);
		ply_read(ply);
		ply_close(ply);
	}
}
 
Generated by GNU Enscript 1.6.6.
 
 
 

Rev 382	Rev 404
1	`/*`	1	`/*`
2	`* ply_load.cpp`	2	`* ply_load.cpp`
3	`* GEL`	3	`* GEL`
4	`*`	4	`*`
5	`* Created by J. Andreas Bærentzen on 08/08/07.`	5	`* Created by J. Andreas Bærentzen on 08/08/07.`
6	`* Copyright 2007 __MyCompanyName__. All rights reserved.`	6	`* Copyright 2007 __MyCompanyName__. All rights reserved.`
7	`*`	7	`*`
8	`*/`	8	`*/`
9		9
10		10
11	`#include <stdio.h>`	11	`#include <stdio.h>`
12	`#include <math.h>`	12	`#include <math.h>`
13	`#include <string.h>`	13	`#include <string.h>`
14	`#include "rply.h"`	14	`#include "rply.h"`
15	`#include "ply_load.h"`	15	`#include "ply_load.h"`
16	`#include <CGLA/Vec4f.h>`	16	`#include <CGLA/Vec4f.h>`
17		17
18	`using namespace std;`	18	`using namespace std;`
19	`using namespace Geometry;`	19	`using namespace Geometry;`
20	`using namespace CGLA;`	20	`using namespace CGLA;`
21		21
22	`namespace`	22	`namespace`
23	`{`	23	`{`
24		24
25	`TriMesh *mesh;`	25	`TriMesh *mesh;`
26		26
27	`int vertex_cb(p_ply_argument argument) {`	27	`int vertex_cb(p_ply_argument argument) {`
28	`static int idx=0;`	28	`static int idx=0;`
29	`static Vec3f p;`	29	`static Vec3f p;`
30	`long eol;`	30	`long eol;`
31	`ply_get_argument_user_data(argument, NULL, &eol);`	31	`ply_get_argument_user_data(argument, NULL, &eol);`
32	`if(idx<3)`	32	`if(idx<3)`
33	`p[idx] = ply_get_argument_value(argument);`	33	`p[idx] = ply_get_argument_value(argument);`
34	`++idx;`	34	`++idx;`
35	`if (eol)`	35	`if (eol)`
36	`{`	36	`{`
37	`mesh->geometry.add_vertex(p);`	37	`mesh->geometry.add_vertex(p);`
38	`idx=0;`	38	`idx=0;`
39	`}`	39	`}`
40	`return 1;`	40	`return 1;`
41	`}`	41	`}`
42		42
43	`int face_cb(p_ply_argument argument) {`	43	`int face_cb(p_ply_argument argument) {`
44	`static Vec3i f;`	44	`static Vec3i f;`
45	`static int idx = 0;`	-
46	`long length, value_index;`	45	`long length, value_index;`
47	`ply_get_argument_property(argument, NULL, &length, &value_index);`	46	`ply_get_argument_property(argument, NULL, &length, &value_index);`
48	`if(value_index >= 0)`	47	`if(value_index >= 0)`
49	`{`	48	`{`
50	`if(value_index < 2)`	49	`if(value_index < 2)`
51	`f[value_index] = ply_get_argument_value(argument);`	50	`f[value_index] = ply_get_argument_value(argument);`
52	`else`	51	`else`
53	`{`	52	`{`
54	`f[2] = ply_get_argument_value(argument);`	53	`f[2] = ply_get_argument_value(argument);`
55	`mesh->mat_idx.push_back(0);`	54	`mesh->mat_idx.push_back(0);`
56	`mesh->geometry.add_face(f);`	55	`mesh->geometry.add_face(f);`
57	`f[1] = f[2];`	56	`f[1] = f[2];`
58	`}`	57	`}`
59	`}`	58	`}`
60	`return 1;`	59	`return 1;`
61	`}`	60	`}`
62	`}`	61	`}`
63		62
64	`namespace Geometry`	63	`namespace Geometry`
65	`{`	64	`{`
66	`void ply_load(const std::string& fn, Geometry::TriMesh& _mesh)`	65	`void ply_load(const std::string& fn, Geometry::TriMesh& _mesh)`
67	`{`	66	`{`
68	`mesh = &_mesh;`	67	`mesh = &_mesh;`
69		68
70	`_mesh.materials.resize(1);`	69	`_mesh.materials.resize(1);`
71	`_mesh.materials[0].diffuse[0] = 172.0f/256.0f;`	70	`_mesh.materials[0].diffuse[0] = 172.0f/256.0f;`
72	`_mesh.materials[0].diffuse[1] = 48.0f/256.0f;`	71	`_mesh.materials[0].diffuse[1] = 48.0f/256.0f;`
73	`_mesh.materials[0].diffuse[2] = 72.0f/256.0f;`	72	`_mesh.materials[0].diffuse[2] = 72.0f/256.0f;`
74	`_mesh.materials[0].specular[0] = 0.6f;`	73	`_mesh.materials[0].specular[0] = 0.6f;`
75	`_mesh.materials[0].specular[1] = 0.6f;`	74	`_mesh.materials[0].specular[1] = 0.6f;`
76	`_mesh.materials[0].specular[2] = 0.6f;`	75	`_mesh.materials[0].specular[2] = 0.6f;`
77	`_mesh.materials[0].shininess = 128.0f;`	76	`_mesh.materials[0].shininess = 128.0f;`
78		77
79	`long nvertices, ntriangles;`	78	`long nvertices, ntriangles;`
80	`p_ply ply = ply_open(fn.c_str(), NULL);`	79	`p_ply ply = ply_open(fn.c_str(), NULL);`
81	`if (!ply) return;`	80	`if (!ply) return;`
82	`if (!ply_read_header(ply)) return;`	81	`if (!ply_read_header(ply)) return;`
83	`nvertices = ply_set_read_cb(ply, "vertex", "x", vertex_cb, NULL, 0);`	82	`nvertices = ply_set_read_cb(ply, "vertex", "x", vertex_cb, NULL, 0);`
84	`ply_set_read_cb(ply, "vertex", "y", vertex_cb, NULL, 0);`	83	`ply_set_read_cb(ply, "vertex", "y", vertex_cb, NULL, 0);`
85	`ply_set_read_cb(ply, "vertex", "z", vertex_cb, NULL, 1);`	84	`ply_set_read_cb(ply, "vertex", "z", vertex_cb, NULL, 1);`
86	`ntriangles = ply_set_read_cb(ply, "face", "vertex_indices", face_cb, NULL, 0);`	85	`ntriangles = ply_set_read_cb(ply, "face", "vertex_indices", face_cb, NULL, 0);`
87	`ply_read(ply);`	86	`ply_read(ply);`
88	`ply_close(ply);`	87	`ply_close(ply);`
89	`}`	88	`}`
90	`}`	89	`}`
91		90
92	`Generated by GNU Enscript 1.6.6.`	91	`Generated by GNU Enscript 1.6.6.`
93		92
94		93
95		94

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