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Added support for the Stanford range map ply repository (that are raw gridded range maps)

This commit is contained in:
Paolo Cignoni 2009-02-16 01:03:11 +00:00
parent 17f0ac0431
commit 06dbbfec33
1 changed files with 79 additions and 1 deletions
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80
wrap/io_trimesh/import_ply.h
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@ -154,6 +154,7 @@ Initial commit
#include<wrap/io_trimesh/io_mask.h>
#include<wrap/io_trimesh/io_ply.h>
#include<vcg/complex/trimesh/allocate.h>
#include<vcg/complex/trimesh/create/platonic.h>
#include<vcg/space/color4.h>
#include <vector>
@ -221,6 +222,15 @@ struct LoadPly_TristripAux
unsigned char data[MAX_USER_DATA];
};
// Yet another auxiliary data structure for loading some strange ply files
// the original stanford range data...
struct LoadPly_RangeGridAux {
unsigned char num_pts;
int pts[5];
};
// Struttura ausiliaria per la lettura del file ply
template<class S>
struct LoadPly_VertAux
@ -325,6 +335,16 @@ static const PropDescriptor &TristripDesc(int i)
return qf[i];
}
// Descriptor for the Stanford Data Repository Range Maps.
// In practice a grid with some invalid elements. Coords are saved only for good elements
static const PropDescriptor &RangeDesc(int i)
{
static const PropDescriptor range_props[1] = {
{"range_grid","vertex_indices", ply::T_INT, ply::T_INT, offsetof(LoadPly_RangeGridAux,pts), 1, 0, ply::T_UCHAR, ply::T_UCHAR, offsetof(LoadPly_RangeGridAux,num_pts)},
};
return range_props[i];
}
static const PropDescriptor &CameraDesc(int i)
{
@ -429,6 +449,12 @@ static int Open( OpenMeshType &m, const char * filename, PlyInfo &pi )
LoadPly_TristripAux tsa;
LoadPly_VertAux<ScalarType> va;
LoadPly_RangeGridAux rga;
std::vector<int> RangeGridAuxVec;
int RangeGridCols=0;
int RangeGridRows=0;
pi.mask = 0;
bool multit = false; // true if texture has a per face int spec the texture index
@ -481,11 +507,14 @@ static int Open( OpenMeshType &m, const char * filename, PlyInfo &pi )
for(ii=_FACEDESC_FIRST_;ii< _FACEDESC_LAST_;++ii)
if( pf.AddToRead(FaceDesc(ii))!=-1 ) break;
if(ii==_FACEDESC_LAST_) if(pf.AddToRead(TristripDesc(0))==-1) // Se fallisce tutto si prova a vedere se ci sono tristrip alla levoy.
if(ii==_FACEDESC_LAST_)
if(pf.AddToRead(TristripDesc(0))==-1) // Se fallisce tutto si prova a vedere se ci sono tristrip alla levoy.
if(pf.AddToRead(RangeDesc(0))==-1) // Se fallisce tutto si prova a vedere se ci sono rangemap alla levoy.
{
pi.status = PlyInfo::E_NO_FACE;
//return pi.status; no face is not a critical error. let's continue.
}
}
// Descrittori facoltativi dei flags
@ -875,6 +904,55 @@ static int Open( OpenMeshType &m, const char * filename, PlyInfo &pi )
}
}
}
else if( !strcmp( pf.ElemName(i),"range_grid") )//////////////////// LETTURA RANGEMAP DI STANFORD
{
//qDebug("Starting Reading of Range Grid");
if(RangeGridCols==0) // not initialized.
{
for(int co=0;co<int(pf.comments.size());++co)
{
std::string num_cols = "num_cols";
std::string num_rows = "num_rows";
std::string &c = pf.comments[co];
std::string bufstr,bufclean;
int i,n;
if( num_cols == c.substr(0,num_cols.length()) )
{
bufstr = c.substr(num_cols.length()+1);
RangeGridCols = atoi(bufstr.c_str());
}
if( num_rows == c.substr(0,num_cols.length()) )
{
bufstr = c.substr(num_rows.length()+1);
RangeGridRows = atoi(bufstr.c_str());
}
}
//qDebug("Rows %i Cols %i",RangeGridRows,RangeGridCols);
}
int totPnt = RangeGridCols*RangeGridRows;
int nullCnt=0;
// standard reading;
pf.SetCurElement(i);
for(int j=0;j<totPnt;++j)
{
if(pi.cb && (j%1000)==0) pi.cb(50+j*50/totPnt,"RangeMap Face Loading");
if( pf.Read(&rga)==-1 )
{
//qDebug("Error after loading %i elements",j);
pi.status = PlyInfo::E_SHORTFILE;
return pi.status;
}
else
{
if(rga.num_pts == 0)
RangeGridAuxVec.push_back(-1);
else
RangeGridAuxVec.push_back(rga.pts[0]);
}
}
//qDebug("Completed the reading of %i indexes",RangeGridAuxVec.size());
tri::FaceGrid(m, RangeGridAuxVec, RangeGridCols,RangeGridRows);
}
else
{
// Skippaggio elementi non gestiti