revised PTX importer, lot of unused code deleted. new import paramenter structure

This commit is contained in:
Marco Callieri 2008-07-22 10:00:12 +00:00
parent 825483d177
commit 74be2a6f67
1 changed files with 359 additions and 687 deletions

View File

@ -45,8 +45,8 @@ Added comments for documentation
#include <vcg/complex/trimesh/update/bounding.h> #include <vcg/complex/trimesh/update/bounding.h>
namespace vcg { namespace vcg {
namespace tri { namespace tri {
namespace io { namespace io {
/** /**
This class encapsulate a filter for importing ptx meshes. This class encapsulate a filter for importing ptx meshes.
*/ */
@ -54,14 +54,6 @@ namespace vcg {
class ImporterPTX class ImporterPTX
{ {
public: public:
enum PTX_OPEN_MASK_ENUM
{
PTX_ONLY_POINTS = 0x08000000, //BIT_27 no add faces (PTX_FLIPFACES and PTX_SWITCHSIDE are ignored!)
PTX_COLOR = 0x10000000, //BIT_28 must be VertexType::HasColor();
PTX_COMPUTE_AABBOX = 0x20000000, //BIT_29 compute axis aligned bbox
PTX_FLIPFACES = 0x40000000, //BIT_30 flip all faces ( PTX_ONLY_POINTS must be false )
PTX_SWITCHSIDE = 0x80000000 //BIT_31 inverse triangulation order (swaping row->cols) ( PTX_ONLY_POINTS must be false )
};
typedef typename OpenMeshType::VertexPointer VertexPointer; typedef typename OpenMeshType::VertexPointer VertexPointer;
typedef typename OpenMeshType::ScalarType ScalarType; typedef typename OpenMeshType::ScalarType ScalarType;
typedef typename OpenMeshType::VertexType VertexType; typedef typename OpenMeshType::VertexType VertexType;
@ -69,21 +61,50 @@ namespace vcg {
typedef typename OpenMeshType::VertexIterator VertexIterator; typedef typename OpenMeshType::VertexIterator VertexIterator;
typedef typename OpenMeshType::FaceIterator FaceIterator; typedef typename OpenMeshType::FaceIterator FaceIterator;
struct RANGEMAP_INFO class Info //ptx file info
{ {
fpos_t pos; public:
int vn;
int fn;
};
typedef typename std::vector< RANGEMAP_INFO > RANGEMAP_INFO_TABLE; Info()
struct PTX_HEAD_INFO
{ {
int vn; mask = 0;
int fn; meshnum = 0;
RANGEMAP_INFO_TABLE rmapInfo; anglecull = true;
}; angle = 89;
savecolor = true;
pointcull = true;
pointsonly = false;
switchside = false;
flipfaces = false;
}
/// a bit mask describing the field preesnt in the ply file
int mask;
/// index of mesh to be imported
int meshnum;
/// if true use angle cull
bool anglecull;
/// culling angle, if angle culling is selected
float angle;
/// if true, remove invalid points
bool pointcull;
/// if true, only keeps points
bool pointsonly;
/// if true, color if saved. if no color is present, reflectancy is used instead
bool savecolor;
/// switch row-columns
bool switchside;
/// flip faces
bool flipfaces;
}; // end ptx file info class
/// Standard call for knowing the meaning of an error code /// Standard call for knowing the meaning of an error code
static const char *ErrorMsg(int error) static const char *ErrorMsg(int error)
@ -101,12 +122,9 @@ namespace vcg {
else return ptx_error_msg[error]; else return ptx_error_msg[error];
}; };
/// skip ONE range map inside the ptx file, starting from current position
/// returns true if skipped, false if failed/eof
static bool skipmesh(FILE* fp, CallBackPos *cb=NULL) static bool skipmesh(FILE* fp, CallBackPos *cb=NULL)
{
PTX_HEAD_INFO tab;
return skipmesh(fp, cb);
}
static bool skipmesh(FILE* fp, PTX_HEAD_INFO & tab, CallBackPos *cb=NULL)
{ {
int colnum; int colnum;
int rownum; int rownum;
@ -114,50 +132,28 @@ namespace vcg {
char linebuf; char linebuf;
if(feof(fp)) return false; if(feof(fp)) return false;
RANGEMAP_INFO ptxInfo;
fgetpos(fp, &ptxInfo.pos );
// getting mesh size; // getting mesh size;
fscanf(fp,"%i\n",&colnum); fscanf(fp,"%i\n",&colnum);
fscanf(fp,"%i\n",&rownum); fscanf(fp,"%i\n",&rownum);
ptxInfo.vn = rownum*colnum;
ptxInfo.fn = (rownum-1) * (colnum-1) * 2;
char tmp[255];
sprintf(tmp, "PTX Mesh analysis... mesh %i vert %i face %i", (int)tab.rmapInfo.size(), ptxInfo.vn, ptxInfo.fn);
if ( ( colnum <=0 ) || ( rownum <=0 ) ) return false; if ( ( colnum <=0 ) || ( rownum <=0 ) ) return false;
if(feof(fp)) return false; if(feof(fp)) return false;
if(cb) cb( rand()%100, tmp);
skiplines = (colnum * rownum) + 8; // have to skip (col * row) lines plus 8 lines for the header // have to skip (col * row) lines plus 8 lines for the header
skiplines = (colnum * rownum) + 8;
for(int ii=0; ii<skiplines; ii++) for(int ii=0; ii<skiplines; ii++)
{ {
fread(&linebuf,1,1,fp); fread(&linebuf,1,1,fp);
while(linebuf != '\n') fread(&linebuf,1,1,fp); while(linebuf != '\n') fread(&linebuf,1,1,fp);
} }
if(cb) cb( 100, tmp); if(cb) cb( 100, "Skipped preamble");
tab.vn += ptxInfo.vn;
tab.fn += ptxInfo.fn;
tab.rmapInfo.push_back( ptxInfo );
return true; return true;
} }
///Standard call that reading a mesh
static bool Analysis(const char * filename, PTX_HEAD_INFO &info, CallBackPos *cb=NULL) static int Open( OpenMeshType &m, const char * filename, Info importparams, CallBackPos *cb=NULL)
{
info.fn = 0;
info.vn = 0;
info.rmapInfo.clear();
FILE *fp;
fp = fopen(filename, "rb");
if(fp == NULL) return false;
while ( skipmesh( fp, info, cb ) ) {}
return true;
};
static int Open( OpenMeshType &m, const char * filename, int meshNumber, int mask = PTX_ONLY_POINTS, CallBackPos *cb=NULL)
{ {
FILE *fp; FILE *fp;
fp = fopen(filename, "rb"); fp = fopen(filename, "rb");
@ -166,379 +162,23 @@ namespace vcg {
m.vn=0; m.vn=0;
m.fn=0; m.fn=0;
PTX_HEAD_INFO ptxHead; // if not exporting first one, skip meshes until desired one
if (importparams.meshnum>0)
for (int i=0; i!=importparams.meshnum; ++i)
if(!skipmesh(fp, cb))
return 1;
if ( meshNumber>0 ) for (int i=0; i!=meshNumber; ++i) skipmesh(fp, ptxHead, cb); if (!readPTX( m, fp, importparams, cb))
if (!readPTX( m, fp, mask, meshNumber, cb))
{ {
m.Clear(); m.Clear();
return 1; return 1;
} }
clearBadVertex(m, mask, cb);
return 0; return 0;
} }
static void clearBadVertex(OpenMeshType &m, int mask, CallBackPos *cb=NULL)
{
if(cb) cb(40,"PTX Mesh Loading - remove bad vertex!");
for(VertexIterator vi = m.vert.begin(); vi != m.vert.end(); vi++)
{
if((*vi).P() == Point3f(0.0, 0.0, 0.0))
Allocator<OpenMeshType>::DeleteVertex(m,*vi);
}
if(cb) cb(60,"PTX Mesh Loading - remove bad face!");
bool onlypoints = ((mask & PTX_ONLY_POINTS) != 0);
if(! onlypoints)
{
for(typename OpenMeshType::FaceIterator fi = m.face.begin(); fi != m.face.end(); fi++)
{
if( ((*fi).V(0)->IsD()) || ((*fi).V(1)->IsD()) || ((*fi).V(2)->IsD()) )
Allocator<OpenMeshType>::DeleteFace(m,*fi);
}
// eliminate high angle triangles
int angle = 88;
//printf(" culling by angle \n");
float limit = cos( angle*3.14159265358979323846/180.0 );
Point3f raggio;
if(cb) cb(85,"PTX Mesh Loading - remove bad face!");
vcg::tri::UpdateNormals<OpenMeshType>::PerFaceNormalized(m);
for(typename OpenMeshType::FaceIterator fi = m.face.begin(); fi != m.face.end(); fi++)
if(!(*fi).IsD())
{
raggio = -((*fi).V(0)->P() + (*fi).V(1)->P() + (*fi).V(2)->P()) / 3.0;
raggio.Normalize();
if((raggio * (*fi).N()) < limit)
Allocator<OpenMeshType>::DeleteFace(m,*fi);
}
}
/*if(cb) cb(60,"PTX Mesh Loading RemoveDuplicateVertex");
tri::Clean<OpenMeshType>::RemoveDuplicateVertex(m);
if (!onlypoints)
{
if(cb) cb(60,"PTX Mesh Loading RemoveUnreferencedVertex");
tri::Clean<OpenMeshType>::RemoveUnreferencedVertex(m);
}*/
if(cb) cb(100,"PTX Mesh Loading finish!");
}
//if numMesh == -1 load all mesh
static int Open_( OpenMeshType &m, const char * filename, int mask = PTX_ONLY_POINTS, CallBackPos *cb=NULL)
{
FILE *fp;
fp = fopen(filename, "rb");
if(fp == NULL) return 1;
m.Clear();
m.vn=0;
m.fn=0;
int vn=0;
int fn=0;
//PTX_HEAD_INFO tab;
//tab.clear();
//while ( skipmesh( fp, tab, cb ) ) {}
/*if ( (vn<=0) && (fn<=0) ) return false;
//VertexIterator vi = Allocator<OpenMeshType>::AddVertices(m,vn);
//OpenMeshType::FaceIterator fi= Allocator<OpenMeshType>::AddFaces(m,fn);
VertexIterator vi = Allocator<OpenMeshType>::AddVertices(m, tab[20].vn);
FaceIterator fi = Allocator<OpenMeshType>::AddFaces(m, tab[20].fn);
readPTX( m, fp, vi, fi, tab[20], mask, 20, cb);
fclose(fp);
/* return true;
if ( numMesh>0 )
for (int i=0; i!=numMesh; ++i) if (!skipmesh(fp, vn, fn, tab)) return false;
int mn=0;
if ( numMesh == -1 )
{
bool next = true;
while ( next )
{
bool r = readPTX(m, fp, mask, mn, cb);
mn++;
if ((r==false) && (m.vn==0) ) { fclose(fp); return false; }
else if (r==false) next = false;
}
} else
{
bool r = readPTX(m, fp, mask, numMesh, cb);
if ((r==false) && (m.vn==0) ) { fclose(fp); return false; }
}
fclose(fp);
*/
// now i delete all points in (0,0,0) that are unsampled points
for(VertexIterator vi = m.vert.begin(); vi != m.vert.end(); vi++)
{
if((*vi).P() == Point3f(0.0, 0.0, 0.0))
Allocator<OpenMeshType>::DeleteVertex(m,*vi);
}
bool onlypoints = ((mask & PTX_ONLY_POINTS) != 0);
if(! onlypoints)
{
for(typename OpenMeshType::FaceIterator fi = m.face.begin(); fi != m.face.end(); fi++)
{
if( ((*fi).V(0)->IsD()) || ((*fi).V(1)->IsD()) || ((*fi).V(2)->IsD()) )
Allocator<OpenMeshType>::DeleteFace(m,*fi);
}
// eliminate high angle triangles
int angle = 88;
printf(" culling by angle \n");
float limit = cos( angle*3.14159265358979323846/180.0 );
Point3f raggio;
vcg::tri::UpdateNormals<OpenMeshType>::PerFaceNormalized(m);
for(typename OpenMeshType::FaceIterator fi = m.face.begin(); fi != m.face.end(); fi++)
if(!(*fi).IsD())
{
raggio = -((*fi).V(0)->P() + (*fi).V(1)->P() + (*fi).V(2)->P()) / 3.0;
raggio.Normalize();
if((raggio * (*fi).N()) < limit)
Allocator<OpenMeshType>::DeleteFace(m,*fi);
}
}
/*if(cb) cb(60,"PTX Mesh Loading RemoveDuplicateVertex");
tri::Clean<OpenMeshType>::RemoveDuplicateVertex(m);
if (!onlypoints)
{
if(cb) cb(60,"PTX Mesh Loading RemoveUnreferencedVertex");
tri::Clean<OpenMeshType>::RemoveUnreferencedVertex(m);
}*/
if(cb) cb(100,"PTX Mesh Loading finish!");
return 0;
}
static bool readPTX( OpenMeshType &m, FILE *fp, VertexIterator &vi, FaceIterator &fi, const RANGEMAP_INFO &ptxInfo, int mask, int mn, CallBackPos *cb=NULL)
{
int colnum;
int rownum;
int numtokens;
char linebuf[256];
int ii;
float xx,yy,zz; // position
float rr,gg,bb; // color
float rf; // reflectance
Matrix44f currtrasf;
bool hascolor;
bool savecolor = ((mask & PTX_COLOR) != 0) && VertexType::HasColor();
bool computeBbox = ((mask & PTX_COMPUTE_AABBOX) != 0);
bool onlypoints = ((mask & PTX_ONLY_POINTS) != 0);
bool switchside = ((mask & PTX_SWITCHSIDE) != 0);
bool flipfaces = ((mask & PTX_FLIPFACES) != 0);
int total = 50;
if ( onlypoints ) total = 100;
if (fsetpos(fp, &ptxInfo.pos)!=0) return false;
// getting mesh size;
fscanf(fp,"%i\n",&colnum);
fscanf(fp,"%i\n",&rownum);
if ( ( colnum <=0 ) || ( rownum <=0 ) ) return false;
// initial 4 lines [still don't know what is this :) :)]
if ( !fscanf(fp,"%f %f %f\n", &xx, &yy, &zz) ) return false;
if ( !fscanf(fp,"%f %f %f\n", &xx, &yy, &zz) ) return false;
if ( !fscanf(fp,"%f %f %f\n", &xx, &yy, &zz) ) return false;
if ( !fscanf(fp,"%f %f %f\n", &xx, &yy, &zz) ) return false;
// now the transformation matrix
if ( !fscanf(fp,"%f %f %f %f\n", &(currtrasf.ElementAt(0,0)), &(currtrasf.ElementAt(0,1)), &(currtrasf.ElementAt(0,2)), &(currtrasf.ElementAt(0,3))) )return false;
if ( !fscanf(fp,"%f %f %f %f\n", &(currtrasf.ElementAt(1,0)), &(currtrasf.ElementAt(1,1)), &(currtrasf.ElementAt(1,2)), &(currtrasf.ElementAt(1,3))) )return false;
if ( !fscanf(fp,"%f %f %f %f\n", &(currtrasf.ElementAt(2,0)), &(currtrasf.ElementAt(2,1)), &(currtrasf.ElementAt(2,2)), &(currtrasf.ElementAt(2,3))) )return false;
if ( !fscanf(fp,"%f %f %f %f\n", &(currtrasf.ElementAt(3,0)), &(currtrasf.ElementAt(3,1)), &(currtrasf.ElementAt(3,2)), &(currtrasf.ElementAt(3,3))) )return false;
// now the real data begins
// first line, we should know if the format is
// XX YY ZZ RF
// or it is
// XX YY ZZ RF RR GG BB
// read the entire first line and then count the spaces. it's rude but it works :)
ii=0;
fread(&(linebuf[ii++]),1,1,fp);
while(linebuf[ii-1] != '\n') if ( fread(&(linebuf[ii++]),1,1,fp)==0 ) return false;
linebuf[ii-1] = '\0'; // terminate the string
numtokens=1;
for(ii=0; ii<(int)strlen(linebuf); ii++) if(linebuf[ii] == ' ') numtokens++;
if(numtokens == 4) hascolor = false;
else if(numtokens == 7) hascolor = true;
else return false;
Transpose(currtrasf);
int vn = rownum*colnum;
//VertexIterator vi = Allocator<OpenMeshType>::AddVertices(m,vn);
//m.vn += vn;
// parse the first line....
if(hascolor)
{
printf("\n hascolor ");
sscanf(linebuf,"%f %f %f %f %f %f %f", &xx, &yy, &zz, &rf, &rr, &gg, &bb);
}
else
{
printf("\n no color ");
sscanf(linebuf,"%f %f %f %f", &xx, &yy, &zz, &rf);
}
//if (computeBbox) m.bbox.SetNull();
//addthefirstpoint
(*vi).P()[0]=xx;
(*vi).P()[1]=yy;
(*vi).P()[2]=zz;
(*vi).P() = currtrasf * (*vi).P();
if (computeBbox) m.bbox.Add( (*vi).P() );
if(hascolor && savecolor)
{
(*vi).C()[0]=rr;
(*vi).C()[1]=gg;
(*vi).C()[2]=bb;
}
vi++;
// now for each line until end of mesh (row*col)-1
for(ii=0; ii<((rownum*colnum)-1); ii++)
{
char tmp[255];
sprintf(tmp, "PTX Mesh Loading... mesh %i", mn);
if(cb) cb((ii*total)/vn, tmp);
// read the stream
if(hascolor) fscanf(fp,"%f %f %f %f %f %f %f", &xx, &yy, &zz, &rf, &rr, &gg, &bb);
else fscanf(fp,"%f %f %f %f", &xx, &yy, &zz, &rf);
// add the point
(*vi).P()[0]=xx;
(*vi).P()[1]=yy;
(*vi).P()[2]=zz;
(*vi).P() = currtrasf * (*vi).P();
if (computeBbox) m.bbox.Add( (*vi).P() );
if(hascolor && savecolor)
{
(*vi).C()[0]=rr;
(*vi).C()[1]=gg;
(*vi).C()[2]=bb;
}
vi++;
}
if(! onlypoints)
{
// now i can triangulate
int trinum = (rownum-1) * (colnum-1) * 2;
//OpenMeshType::FaceIterator fi= Allocator<OpenMeshType>::AddFaces(m,trinum);
// m.fn += trinum;
int v0i,v1i,v2i, t;
for(int rit=0; rit<rownum-1; rit++)
for(int cit=0; cit<colnum-1; cit++)
{
if(cb) cb(50 + (t*50)/(rownum*colnum),"PTX Mesh Loading");
if(!switchside)
{
v0i = (rit ) + ((cit ) * rownum);
v1i = (rit+1) + ((cit ) * rownum);
v2i = (rit ) + ((cit+1) * rownum);
}
else
{
v0i = (cit ) + ((rit ) * colnum);
v1i = (cit+1) + ((rit ) * colnum);
v2i = (cit ) + ((rit+1) * colnum);
}
// upper tri
(*fi).V(2) = &(m.vert[v0i]);
(*fi).V(1) = &(m.vert[v1i]);
(*fi).V(0) = &(m.vert[v2i]);
if(flipfaces)
{
(*fi).V(2) = &(m.vert[v1i]);
(*fi).V(1) = &(m.vert[v0i]);
}
//m.fn++;
fi++;
if(!switchside)
{
v0i = (rit+1) + ((cit ) * rownum);
v1i = (rit+1) + ((cit+1) * rownum);
v2i = (rit ) + ((cit+1) * rownum);
}
else
{
v0i = (cit+1) + ((rit ) * colnum);
v1i = (cit+1) + ((rit+1) * colnum);
v2i = (cit ) + ((rit+1) * colnum);
}
// lower tri
(*fi).V(2) = &(m.vert[v0i]);
(*fi).V(1) = &(m.vert[v1i]);
(*fi).V(0) = &(m.vert[v2i]);
if(flipfaces)
{
(*fi).V(2) = &(m.vert[v1i]);
(*fi).V(1) = &(m.vert[v0i]);
}
// m.fn++;
fi++;
}
}
return true;
}
///Call that load a mesh ///Call that load a mesh
static bool readPTX( OpenMeshType &m, FILE *fp, int mask, CallBackPos *cb=NULL) static bool readPTX( OpenMeshType &m, FILE *fp, Info importparams, CallBackPos *cb=NULL)
{ {
int numtokens; int numtokens;
int colnum; int colnum;
@ -549,13 +189,13 @@ namespace vcg {
Matrix44f currtrasf; Matrix44f currtrasf;
bool hascolor; bool hascolor;
bool savecolor = ((mask & PTX_COLOR) != 0) && VertexType::HasColor(); bool savecolor = importparams.savecolor && VertexType::HasColor();
bool computeBbox = ((mask & PTX_COMPUTE_AABBOX) != 0); bool onlypoints = importparams.pointsonly;
bool onlypoints = ((mask & PTX_ONLY_POINTS) != 0); bool switchside = importparams.switchside;
bool switchside = ((mask & PTX_SWITCHSIDE) != 0); bool flipfaces = importparams.flipfaces;
bool flipfaces = ((mask & PTX_FLIPFACES) != 0);
int total = 50; int total = 50;
if ( onlypoints ) total = 100; if (onlypoints) total = 100;
char linebuf[256]; char linebuf[256];
fscanf(fp,"%i\n",&colnum); fscanf(fp,"%i\n",&colnum);
@ -588,10 +228,16 @@ namespace vcg {
if(numtokens == 4) hascolor = false; if(numtokens == 4) hascolor = false;
else if(numtokens == 7) hascolor = true; else if(numtokens == 7) hascolor = true;
else return false; else return false;
// PTX transformation matrix is transposed
Transpose(currtrasf); Transpose(currtrasf);
// allocating vertex space
int vn = rownum*colnum; int vn = rownum*colnum;
VertexIterator vi = Allocator<OpenMeshType>::AddVertices(m,vn); VertexIterator vi = Allocator<OpenMeshType>::AddVertices(m,vn);
m.vn = vn; m.vn = vn;
m.bbox.SetNull();
// parse the first line.... // parse the first line....
if(hascolor) if(hascolor)
{ {
@ -603,44 +249,74 @@ namespace vcg {
printf("\n no color "); printf("\n no color ");
sscanf(linebuf,"%f %f %f %f", &xx, &yy, &zz, &rf); sscanf(linebuf,"%f %f %f %f", &xx, &yy, &zz, &rf);
} }
if (computeBbox) m.bbox.SetNull();
//addthefirstpoint //addthefirstpoint
(*vi).P()[0]=xx; (*vi).P()[0]=xx;
(*vi).P()[1]=yy; (*vi).P()[1]=yy;
(*vi).P()[2]=zz; (*vi).P()[2]=zz;
// updating bbox
m.bbox.Add( (*vi).P() );
if(VertexType::HasQuality())
{
(*vi).Q()=rf;
}
if (computeBbox) m.bbox.Add( (*vi).P() );
if(hascolor && savecolor) if(hascolor && savecolor)
{ {
(*vi).C()[0]=rr; (*vi).C()[0]=rr;
(*vi).C()[1]=gg; (*vi).C()[1]=gg;
(*vi).C()[2]=bb; (*vi).C()[2]=bb;
} }
else if(!hascolor && savecolor)
{
(*vi).C()[0]=rf*255;
(*vi).C()[1]=rf*255;
(*vi).C()[2]=rf*255;
}
vi++; vi++;
// now for each line until end of mesh (row*col)-1 // now for each line until end of mesh (row*col)-1
for(ii=0; ii<((rownum*colnum)-1); ii++) for(ii=0; ii<((rownum*colnum)-1); ii++)
{ {
char tmp[255]; char tmp[255];
sprintf(tmp, "PTX Mesh Loading..."); sprintf(tmp, "PTX Mesh Loading...");
if(cb) cb((ii*total)/vn, tmp); if(cb) cb((ii*total)/vn, tmp);
// read the stream // read the stream
if(hascolor) fscanf(fp,"%f %f %f %f %f %f %f", &xx, &yy, &zz, &rf, &rr, &gg, &bb); if(hascolor)
else fscanf(fp,"%f %f %f %f", &xx, &yy, &zz, &rf); fscanf(fp,"%f %f %f %f %f %f %f", &xx, &yy, &zz, &rf, &rr, &gg, &bb);
else
fscanf(fp,"%f %f %f %f", &xx, &yy, &zz, &rf);
// add the point // add the point
(*vi).P()[0]=xx; (*vi).P()[0]=xx;
(*vi).P()[1]=yy; (*vi).P()[1]=yy;
(*vi).P()[2]=zz; (*vi).P()[2]=zz;
if (computeBbox) m.bbox.Add( (*vi).P() ); m.bbox.Add( (*vi).P() );
if(VertexType::HasQuality())
{
(*vi).Q()=rf;
}
if(hascolor && savecolor) if(hascolor && savecolor)
{ {
(*vi).C()[0]=rr; (*vi).C()[0]=rr;
(*vi).C()[1]=gg; (*vi).C()[1]=gg;
(*vi).C()[2]=bb; (*vi).C()[2]=bb;
} }
else if(!hascolor && savecolor)
{
(*vi).C()[0]=rf*255;
(*vi).C()[1]=rf*255;
(*vi).C()[2]=rf*255;
}
vi++; vi++;
} }
if(! onlypoints) if(! onlypoints)
{ {
// now i can triangulate // now i can triangulate
@ -704,27 +380,37 @@ namespace vcg {
fi++; fi++;
} }
} }
if(cb) cb(40,"PTX Mesh Loading - remove bad vertex!");
for(typename OpenMeshType::VertexIterator vi = m.vert.begin(); vi != m.vert.end(); vi++) // remove unsampled points
if(importparams.pointcull)
{
if(cb) cb(40,"PTX Mesh Loading - remove invalid vertices");
for(VertexIterator vi = m.vert.begin(); vi != m.vert.end(); vi++)
{ {
if((*vi).P() == Point3f(0.0, 0.0, 0.0)) if((*vi).P() == Point3f(0.0, 0.0, 0.0))
Allocator<OpenMeshType>::DeleteVertex(m,*vi); Allocator<OpenMeshType>::DeleteVertex(m,*vi);
} }
if(cb) cb(60,"PTX Mesh Loading - remove bad face!");
onlypoints = ((mask & PTX_ONLY_POINTS) != 0); if(! importparams.pointsonly)
if(! onlypoints)
{ {
if(cb) cb(60,"PTX Mesh Loading - remove invalid faces");
for(typename OpenMeshType::FaceIterator fi = m.face.begin(); fi != m.face.end(); fi++) for(typename OpenMeshType::FaceIterator fi = m.face.begin(); fi != m.face.end(); fi++)
{ {
if( ((*fi).V(0)->IsD()) || ((*fi).V(1)->IsD()) || ((*fi).V(2)->IsD()) ) if( ((*fi).V(0)->IsD()) || ((*fi).V(1)->IsD()) || ((*fi).V(2)->IsD()) )
Allocator<OpenMeshType>::DeleteFace(m,*fi); Allocator<OpenMeshType>::DeleteFace(m,*fi);
} }
}
}
// eliminate high angle triangles // eliminate high angle triangles
int angle = 88; if(! importparams.pointsonly)
printf(" culling by angle \n"); {
float limit = cos( angle*3.14159265358979323846/180.0 ); if(importparams.anglecull)
{
float limit = cos( double(importparams.angle)*3.14159265358979323846/180.0 );
Point3f raggio; Point3f raggio;
if(cb) cb(85,"PTX Mesh Loading - remove steep faces");
vcg::tri::UpdateNormals<OpenMeshType>::PerFaceNormalized(m); vcg::tri::UpdateNormals<OpenMeshType>::PerFaceNormalized(m);
for(typename OpenMeshType::FaceIterator fi = m.face.begin(); fi != m.face.end(); fi++) for(typename OpenMeshType::FaceIterator fi = m.face.begin(); fi != m.face.end(); fi++)
if(!(*fi).IsD()) if(!(*fi).IsD())
@ -733,42 +419,28 @@ namespace vcg {
raggio.Normalize(); raggio.Normalize();
if((raggio * (*fi).N()) < limit) if((raggio * (*fi).N()) < limit)
Allocator<OpenMeshType>::DeleteFace(m,*fi); Allocator<OpenMeshType>::DeleteFace(m,*fi);
} }
} }
}
for(typename OpenMeshType::VertexIterator vi = m.vert.begin(); vi != m.vert.end(); vi++) for(typename OpenMeshType::VertexIterator vi = m.vert.begin(); vi != m.vert.end(); vi++)
{ {
if(!(*vi).IsD()) if(!(*vi).IsD())
(*vi).P() = currtrasf * (*vi).P(); (*vi).P() = currtrasf * (*vi).P();
} }
// deleting unreferenced vertices
vcg::tri::Clean<OpenMeshType>::RemoveUnreferencedVertex(m);
vcg::tri::UpdateNormals<OpenMeshType>::PerFaceNormalized(m); vcg::tri::UpdateNormals<OpenMeshType>::PerFaceNormalized(m);
vcg::tri::UpdateBounding<CMeshO>::Box(m); vcg::tri::UpdateBounding<CMeshO>::Box(m);
if(cb) cb(100,"PTX Mesh Loading finish!"); if(cb) cb(100,"PTX Mesh Loading finish!");
return true; return true;
} }
///Standard call that reading a mesh
static int Open( OpenMeshType &m, const char * filename, int mask = PTX_ONLY_POINTS, CallBackPos *cb=NULL)
{
FILE *fp;
fp = fopen(filename, "rb");
if(fp == NULL) return 1;
m.Clear();
m.vn=0;
m.fn=0;
if (!readPTX( m, fp, mask,cb))
{
m.Clear();
return 1;
}
int endfile,end = 0;
fscanf(fp,"%i%i",&endfile,&end);
if(end != 0)
return 2;
return 0;
}
}; // end class }; // end class
} // end Namespace tri } // end Namespace tri
} // end Namespace io } // end Namespace io
} // end Namespace vcg } // end Namespace vcg
#endif #endif