manolas
/
vcglib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
vcglib/wrap/io_tetramesh/import_ply.h

606 lines
22 KiB
C
Raw Normal View History

created
2004-06-03 15:16:32 +02:00
/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
Huge copyright sanitization of the header files of vcg folder.
2016-06-13 07:29:25 +02:00
* Copyright(C) 2004-2016 \/)\/ *
created
2004-06-03 15:16:32 +02:00
* Visual Computing Lab /\/| *
* ISTI - Italian National Research Council | *
* \ *
* All rights reserved. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License (http://www.gnu.org/licenses/gpl.txt) *
* for more details. *
* *
****************************************************************************/
/****************************************************************************
History
$Log: not supported by cvs2svn $
Texture coord name change! "TCoord" and "Texture" are BAD. "TexCoord" is GOOD.
2007-03-12 17:40:17 +01:00
Revision 1.1 2004/06/03 13:16:32 ganovelli
created
created
2004-06-03 15:16:32 +02:00
****************************************************************************/
#ifndef __VCGLIB_TETRAIMPORTERPLY
#define __VCGLIB_TETRAIMPORTERPLY
#include<wrap/callback.h>
#include<wrap/ply/plylib.h>
stable allocate and tetra complex
2018-05-03 15:05:42 +02:00
#include<wrap/io_tetramesh/io_mask.h>
created
2004-06-03 15:16:32 +02:00
#include<wrap/io_tetramesh/io_ply.h>
namespace vcg {
namespace tetra {
namespace io {
template <class TYPE>
int PlyType () { return 0;}
template <> int PlyType <float >() { return ply::T_FLOAT; }
template <> int PlyType <double>() { return ply::T_DOUBLE; }
template <> int PlyType <int >() { return ply::T_INT; }
template <> int PlyType <short >() { return ply::T_SHORT; }
template <> int PlyType <unsigned char >() { return ply::T_UCHAR; }
/**
This class encapsulate a filter for opening ply meshes.
The ply file format is quite extensible...
*/
template <class OpenMeshType>
class ImporterPLY
{
public:
minimal ply tetra importer and tetragl (immediate mode)
2018-05-14 20:01:43 +02:00
typedef ::vcg::ply::PropDescriptor PropDescriptor ;
typedef typename OpenMeshType::VertexPointer VertexPointer;
typedef typename OpenMeshType::ScalarType ScalarType;
typedef typename OpenMeshType::VertexType VertexType;
typedef typename OpenMeshType::TetraType TetraType;
typedef typename OpenMeshType::VertexIterator VertexIterator;
typedef typename OpenMeshType::TetraIterator TetraIterator;
created
2004-06-03 15:16:32 +02:00
minimal ply tetra importer and tetragl (immediate mode)
2018-05-14 20:01:43 +02:00
//template <class T> int PlyType () { assert(0); return 0;}
created
2004-06-03 15:16:32 +02:00
#define MAX_USER_DATA 256
minimal ply tetra importer and tetragl (immediate mode)
2018-05-14 20:01:43 +02:00
// Struttura ausiliaria per la lettura del file ply
struct LoadPly_TetraAux
{
unsigned char size;
int v[512];
int flags;
float q;
float texcoord[32];
unsigned char ntexcoord;
int texcoordind;
float colors[32];
unsigned char ncolors;
unsigned char r;
unsigned char g;
unsigned char b;
unsigned char a;
unsigned char data[MAX_USER_DATA];
};
//struct LoadPly_TristripAux
//{
// int size;
// int *v;
// unsigned char data[MAX_USER_DATA];
//};
// Struttura ausiliaria per la lettura del file ply
template<class S>
struct LoadPly_VertAux
{
S p[3];
int flags;
float q;
unsigned char r;
unsigned char g;
unsigned char b;
unsigned char a;
unsigned char data[MAX_USER_DATA];
};
// Struttura ausiliaria caricamento camera
//struct LoadPly_Camera
//{
// float view_px;
// float view_py;
// float view_pz;
// float x_axisx;
// float x_axisy;
// float x_axisz;
// float y_axisx;
// float y_axisy;
// float y_axisz;
// float z_axisx;
// float z_axisy;
// float z_axisz;
// float focal;
// float scalex;
// float scaley;
// float centerx;
// float centery;
// int viewportx;
// int viewporty;
// float k1;
// float k2;
// float k3;
// float k4;
//};
static const PropDescriptor &VertDesc(int i)
{
const static PropDescriptor pv[9]={
{"vertex", "x", ply::T_FLOAT, PlyType<ScalarType>(), offsetof(LoadPly_VertAux<ScalarType>,p),0,0,0,0,0},
{"vertex", "y", ply::T_FLOAT, PlyType<ScalarType>(), offsetof(LoadPly_VertAux<ScalarType>,p) + sizeof(ScalarType),0,0,0,0,0},
{"vertex", "z", ply::T_FLOAT, PlyType<ScalarType>(), offsetof(LoadPly_VertAux<ScalarType>,p) + 2 * sizeof(ScalarType),0,0,0,0,0},
{"vertex", "flags", ply::T_INT, ply::T_INT, offsetof(LoadPly_VertAux<ScalarType>,flags),0,0,0,0,0},
{"vertex", "quality", ply::T_FLOAT, ply::T_FLOAT, offsetof(LoadPly_VertAux<ScalarType>,q),0,0,0,0,0},
{"vertex", "red" , ply::T_UCHAR, ply::T_UCHAR, offsetof(LoadPly_VertAux<ScalarType>,r),0,0,0,0,0},
{"vertex", "green", ply::T_UCHAR, ply::T_UCHAR, offsetof(LoadPly_VertAux<ScalarType>,g),0,0,0,0,0},
{"vertex", "blue" , ply::T_UCHAR, ply::T_UCHAR, offsetof(LoadPly_VertAux<ScalarType>,b),0,0,0,0,0},
{"vertex", "alpha" , ply::T_UCHAR, ply::T_UCHAR, offsetof(LoadPly_VertAux<ScalarType>,a),0,0,0,0,0},
};
return pv[i];
}
static const PropDescriptor &TetraDesc(int i)
{
const static PropDescriptor qf[10]=
{
{"tetra", "vertex_indices", ply::T_INT, ply::T_INT, offsetof(LoadPly_TetraAux,v), 1,0,ply::T_UCHAR,ply::T_UCHAR,offsetof(LoadPly_TetraAux,size) },
{"tetra", "flags", ply::T_INT, ply::T_INT, offsetof(LoadPly_TetraAux,flags), 0,0,0,0,0},
{"tetra", "quality", ply::T_FLOAT, ply::T_FLOAT, offsetof(LoadPly_TetraAux,q), 0,0,0,0,0},
{"tetra", "texcoord", ply::T_FLOAT, ply::T_FLOAT, offsetof(LoadPly_TetraAux,texcoord), 1,0,ply::T_UCHAR,ply::T_UCHAR,offsetof(LoadPly_TetraAux,ntexcoord) },
{"tetra", "color", ply::T_FLOAT, ply::T_FLOAT, offsetof(LoadPly_TetraAux,colors), 1,0,ply::T_UCHAR,ply::T_UCHAR,offsetof(LoadPly_TetraAux,ncolors) },
{"tetra", "texnumber", ply::T_INT, ply::T_INT, offsetof(LoadPly_TetraAux,texcoordind), 0,0,0,0,0},
{"tetra", "red" , ply::T_UCHAR, ply::T_UCHAR, offsetof(LoadPly_TetraAux,r), 0,0,0,0,0},
{"tetra", "green", ply::T_UCHAR, ply::T_UCHAR, offsetof(LoadPly_TetraAux,g), 0,0,0,0,0},
{"tetra", "blue" , ply::T_UCHAR, ply::T_UCHAR, offsetof(LoadPly_TetraAux,b), 0,0,0,0,0},
{"tetra", "alpha" , ply::T_UCHAR, ply::T_UCHAR, offsetof(LoadPly_TetraAux,a), 0,0,0,0,0},
};
return qf[i];
}
/// Standard call for reading a mesh
static int Open( OpenMeshType &m, const char * filename, CallBackPos *cb=0)
{
PlyInfo pi;
pi.cb=cb;
return Open(m, filename, pi);
}
/// Read a mesh and store in loadmask the loaded field
static int Open( OpenMeshType &m, const char * filename, int & loadmask, CallBackPos *cb =0)
{
PlyInfo pi;
pi.mask=loadmask;
return Open(m, filename,pi);
loadmask=pi.mask;
}
/// read a mesh with all the possible option specified in the PlyInfo obj.
static int Open( OpenMeshType &m, const char * filename, PlyInfo & pi )
{
assert(filename!=0);
vector<VertexPointer> index;
LoadPly_TetraAux fa;
LoadPly_VertAux<ScalarType> va;
pi.mask = 0;
va.flags = 42;
pi.status = ::vcg::ply::E_NOERROR;
// The main descriptor of the ply file
vcg::ply::PlyFile pf;
// Open the file and parse the header
std::cerr << "Parsing the header.." << std::endl;
if( pf.Open(filename,vcg::ply::PlyFile::MODE_READ)== -1 )
{
pi.status = pf.GetError();
return -1;
}
std::cerr << "Parsed the header.." << std::endl;
pi.header = pf.GetHeader();
// Descrittori dati standard (vertex coord e faces)
if( pf.AddToRead(VertDesc(0)) == -1 ) { pi.status = PlyInfo::E_NO_VERTEX; return -1; }
if( pf.AddToRead(VertDesc(1)) == -1 ) { pi.status = PlyInfo::E_NO_VERTEX; return -1; }
if( pf.AddToRead(VertDesc(2)) == -1 ) { pi.status = PlyInfo::E_NO_VERTEX; return -1; }
if( pf.AddToRead(TetraDesc(0))== -1 ) { pi.status = PlyInfo::E_NO_VERTEX; return -1; }
// Descrittori facoltativi dei flags
if( pf.AddToRead(VertDesc(3))!=-1 )
pi.mask |= vcg::tetra::io::Mask::IOM_VERTFLAGS;
if( VertexType::HasQuality() )
{
if( pf.AddToRead(VertDesc(4))!=-1 ||
pf.AddToRead(VertDesc(9))!=-1 )
pi.mask |= vcg::tetra::io::Mask::IOM_VERTQUALITY;
}
if( VertexType::HasColor() )
{
if( pf.AddToRead(VertDesc(5))!=-1 )
{
pf.AddToRead(VertDesc(6));
pf.AddToRead(VertDesc(7));
pf.AddToRead(VertDesc(8));
pi.mask |= vcg::tetra::io::Mask::IOM_VERTCOLOR;
}
}
// se ci sono i flag per vertice ci devono essere anche i flag per faccia
if( pf.AddToRead(TetraDesc(1))!=-1 )
pi.mask |= vcg::tetra::io::Mask::IOM_TETRAFLAGS;
if( TetraType::HasQuality())
{
if( pf.AddToRead(TetraDesc(2))!=-1 )
pi.mask |= vcg::tetra::io::Mask::IOM_TETRAQUALITY;
}
if( TetraType::HasColor() )
{
if( pf.AddToRead(TetraDesc(6))!=-1 )
{
pf.AddToRead(TetraDesc(7));
pf.AddToRead(TetraDesc(8));
pf.AddToRead(TetraDesc(9));
pi.mask |= vcg::tetra::io::Mask::IOM_TETRACOLOR;
}
}
// Descrittori definiti dall'utente,
vector<PropDescriptor> VPV(pi.vdn); // property descriptor relative al tipo LoadPly_VertexAux
vector<PropDescriptor> FPV(pi.fdn); // property descriptor relative al tipo LoadPly_FaceAux
if(pi.vdn>0){
// Compute the total size needed to load additional per vertex data.
size_t totsz=0;
for(int i=0;i<pi.vdn;i++){
VPV[i] = pi.VertexData[i];
VPV[i].offset1=offsetof(LoadPly_VertAux<ScalarType>,data)+totsz;
totsz+=pi.VertexData[i].memtypesize();
if( pf.AddToRead(VPV[i])==-1 ) { pi.status = pf.GetError(); return -1; }
}
if(totsz > MAX_USER_DATA)
{
pi.status = vcg::ply::E_BADTYPE;
return -1;
}
}
if(pi.fdn>0){
size_t totsz=0;
for(int i=0;i<pi.fdn;i++){
FPV[i] = pi.TetraData[i];
FPV[i].offset1=offsetof(LoadPly_TetraAux,data)+totsz;
totsz+=pi.TetraData[i].memtypesize();
if( pf.AddToRead(FPV[i])==-1 ) { pi.status = pf.GetError(); return -1; }
}
if(totsz > MAX_USER_DATA)
{
pi.status = vcg::ply::E_BADTYPE;
return -1;
}
}
/**************************************************************/
/* Main Reading Loop */
/**************************************************************/
m.Clear();
for(int i=0;i<int(pf.elements.size());i++)
{
int n = pf.ElemNumber(i);
if( !strcmp( pf.ElemName(i),"vertex" ) )
{
int j;
pf.SetCurElement(i);
VertexIterator vi=Allocator<OpenMeshType>::AddVertices(m,n);
for(j=0;j<n;++j)
{
if(pi.cb && (j%1000)==0) pi.cb(j*50/n,"Vertex Loading");
if( pf.Read( (void *)&(va) )==-1 )
{
pi.status = PlyInfo::E_SHORTFILE;
return -1;
}
(*vi).P()[0] = va.p[0];
(*vi).P()[1] = va.p[1];
(*vi).P()[2] = va.p[2];
if( pi.mask & vcg::tetra::io::Mask::IOM_VERTFLAGS )
(*vi).Flags() = va.flags;
if( pi.mask & vcg::tetra::io::Mask::IOM_VERTQUALITY )
(*vi).Q() = va.q;
if( pi.mask & vcg::tetra::io::Mask::IOM_VERTCOLOR )
{
(*vi).C()[0] = va.r;
(*vi).C()[1] = va.g;
(*vi).C()[2] = va.b;
(*vi).C()[3] = va.a;
}
for(int k=0;k<pi.vdn;k++)
memcpy((char *)(&*vi) + pi.VertexData[k].offset1,
(char *)(&va) + VPV[k].offset1,
VPV[k].memtypesize());
++vi;
}
index.resize(n);
for(j=0,vi=m.vert.begin();j<n;++j,++vi)
index[j] = &*vi;
}
else if( !strcmp( pf.ElemName(i),"tetra") )/************************************************************/
{
int j;
int k;
TetraIterator ti = Allocator<OpenMeshType>::AddTetras(m, n);
pf.SetCurElement(i);
for(j=0;j<n;++j)
{
if(pi.cb && (j%1000)==0) pi.cb(50+j*50/n,"Tetra Loading");
if( pf.Read(&fa)==-1 )
{
pi.status = PlyInfo::E_SHORTFILE;
return -1;
}
if(fa.size!=4)
{
pi.status = PlyInfo::E_NO_3VERTINFACE;
return -1;
}
for(k=0;k<4;++k)
{
if( fa.v[k]<0 || fa.v[k]>=m.vn )
{
pi.status = PlyInfo::E_BAD_VERT_INDEX;
return -1;
}
(*ti).V(k) = index[ fa.v[k] ];
}
if( pi.mask & vcg::tetra::io::Mask::IOM_TETRAFLAGS )
{
(*ti).Flags() = fa.flags;
}
if( pi.mask & vcg::tetra::io::Mask::IOM_TETRAQUALITY )
{
(*ti).Q() = fa.q;
}
if( pi.mask & vcg::tetra::io::Mask::IOM_TETRACOLOR )
{
(*ti).C()[0] = fa.r;
(*ti).C()[1] = fa.g;
(*ti).C()[2] = fa.b;
(*ti).C()[3] = fa.a;
}
++ti;
}
for(k=0;k<pi.fdn;k++)
memcpy((char *)(&(*ti)) + pi.TetraData[k].offset1,
(char *)(&fa) + FPV[k].offset1,
FPV[k].memtypesize());
}
else
{
// Skippaggio elementi non gestiti
int n = pf.ElemNumber(i);
pf.SetCurElement(i);
for(int j=0;j<n;j++)
{
if( pf.Read(0)==-1)
{
pi.status = PlyInfo::E_SHORTFILE;
return -1;
}
}
}
}
// // Parsing texture names
//textures.clear();
//normalmaps.clear();
//for(int co=0;co<int(pf.comments.size());++co)
//{
// const char * TFILE = "TextureFile";
// const char * NFILE = "TextureNormalFile";
// const char * c = pf.comments[co];
// char buf[256];
// int i,j,n;
// if( !strncmp(c,TFILE,strlen(TFILE)) )
// {
// strcpy(buf,c+strlen(TFILE)+1);
// n = strlen(buf);
// for(i=j=0;i<n;i++)
// if( buf[i]!=' ' && buf[i]!='\t' && buf[i]>32 && buf[i]<125 ) buf[j++] = buf[i];
//
// buf[j] = 0;
// char buf2[255];
// __interpret_texture_name( buf,filename,buf2 );
// textures.push_back( xstring(buf2) );
// }
// if( !strncmp(c,NFILE,strlen(NFILE)) )
// {
// strcpy(buf,c+strlen(NFILE)+1);
// n = strlen(buf);
// for(i=j=0;i<n;i++)
// if( buf[i]!=' ' && buf[i]!='\t' && buf[i]>32 && buf[i]<125 ) buf[j++] = buf[i];
//
// buf[j] = 0;
// char buf2[255];
// __interpret_texture_name( buf,filename,buf2 );
// normalmaps.push_back( xstring(buf2) );
// }
//}
// vn and fn should be correct but if someone wrongly saved some deleted elements they can be wrong.
m.vn = 0;
VertexIterator vi;
for(vi=m.vert.begin();vi!=m.vert.end();++vi)
if( ! (*vi).IsD() )
++m.vn;
m.tn = 0;
TetraIterator fi;
for(fi=m.tetra.begin();fi!=m.tetra.end();++fi)
if( ! (*fi).IsD() )
++m.tn;
return 0;
}
// // Caricamento camera da un ply
// int LoadCamera(const char * filename)
// {
// vcg::ply::PlyFile pf;
// if( pf.Open(filename,vcg::ply::PlyFile::MODE_READ)==-1 )
// {
// pi.status = pf.GetError();
// return -1;
// }
// bool found = true;
// int i;
// for(i=0;i<23;++i)
// {
// if( pf.AddToRead(CameraDesc(i))==-1 )
// {
// found = false;
// break;
// }
// }
// if(!found)
// return -1;
// for(i=0;i<int(pf.elements.size());i++)
// {
// int n = pf.ElemNumber(i);
// if( !strcmp( pf.ElemName(i),"camera" ) )
// {
// pf.SetCurElement(i);
// //LoadPly_Camera ca;
// for(int j=0;j<n;++j)
// {
// if( pf.Read( (void *)&(ca) )==-1 )
// {
// pi.status = PlyInfo::E_SHORTFILE;
// return -1;
// }
// camera.valid = true;
// camera.view_p[0] = ca.view_px;
// camera.view_p[1] = ca.view_py;
// camera.view_p[2] = ca.view_pz;
// camera.x_axis[0] = ca.x_axisx;
// camera.x_axis[1] = ca.x_axisy;
// camera.x_axis[2] = ca.x_axisz;
// camera.y_axis[0] = ca.y_axisx;
// camera.y_axis[1] = ca.y_axisy;
// camera.y_axis[2] = ca.y_axisz;
// camera.z_axis[0] = ca.z_axisx;
// camera.z_axis[1] = ca.z_axisy;
// camera.z_axis[2] = ca.z_axisz;
// camera.f = ca.focal;
// camera.s[0] = ca.scalex;
// camera.s[1] = ca.scaley;
// camera.c[0] = ca.centerx;
// camera.c[1] = ca.centery;
// camera.viewport[0] = ca.viewportx;
// camera.viewport[1] = ca.viewporty;
// camera.k[0] = ca.k1;
// camera.k[1] = ca.k2;
// camera.k[2] = ca.k3;
// camera.k[3] = ca.k4;
// }
// break;
// }
// }
// return 0;
// }
bool LoadMask(const char * filename, int &mask)
{
mask=0;
vcg::ply::PlyFile pf;
if( pf.Open(filename,vcg::ply::PlyFile::MODE_READ)==-1 )
{
pi.status = pf.GetError();
return false;
}
if( pf.AddToRead(VertDesc(0))!=-1 &&
pf.AddToRead(VertDesc(1))!=-1 &&
pf.AddToRead(VertDesc(2))!=-1 ) mask |= vcg::tetra::io::Mask::IOM_VERTCOORD;
if( pf.AddToRead(VertDesc(3))!=-1 ) mask |= vcg::tetra::io::Mask::IOM_VERTFLAGS;
if( pf.AddToRead(VertDesc(4))!=-1 ) mask |= vcg::tetra::io::Mask::IOM_VERTQUALITY;
if( ( pf.AddToRead(VertDesc(5))!=-1 ) &&
( pf.AddToRead(VertDesc(6))!=-1 ) &&
( pf.AddToRead(VertDesc(7))!=-1 ) &&
( pf.AddToRead(VertDesc(8))!=-1 ) ) mask |= vcg::tetra::io::Mask::IOM_VERTCOLOR;
if( pf.AddToRead(TetraDesc(0))!=-1 ) mask |= vcg::tetra::io::Mask::IOM_TETRAINDEX;
if( pf.AddToRead(TetraDesc(1))!=-1 ) mask |= vcg::tetra::io::Mask::IOM_TETRAFLAGS;
if( pf.AddToRead(TetraDesc(2))!=-1 ) mask |= vcg::tetra::io::Mask::IOM_TETRAQUALITY;
if( ( pf.AddToRead(TetraDesc(6))!=-1 ) &&
( pf.AddToRead(TetraDesc(7))!=-1 ) &&
( pf.AddToRead(TetraDesc(8))!=-1 ) &&
( pf.AddToRead(TetraDesc(9))!=-1 ) ) mask |= vcg::tetra::io::Mask::IOM_TETRACOLOR;
return true;
}
created
2004-06-03 15:16:32 +02:00
}; // end class
} // end namespace tri
} // end namespace io
} // end namespace vcg
#endif