manolas
/
vcglib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Added support for point clouds to openctm. Using an hack becouse openctm officially do not want it...

This commit is contained in:
Paolo Cignoni 2011-10-06 14:00:54 +00:00
parent f4a0b8bce4
commit bf01793bd8
2 changed files with 28 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
wrap/io_trimesh/export_ctm.h
View File

@ -44,7 +44,7 @@ namespace vcg {
std::vector<CTMfloat> aColors(aVertCount*4);
std::vector<CTMfloat> aQuality(aVertCount*4);
std::vector<CTMuint> aIndices(aTriCount*3);
int err;
CTMcontext context;
// Create a new exporter context
context = ctmNewContext(CTM_EXPORT);
@ -54,26 +54,32 @@ namespace vcg {
ctmVertexPrecision(context, relativePrecision);
}
// Prepare vertex and faces
for(int i=0;i<aVertCount;++i)
for(unsigned int i=0;i<aVertCount;++i)
{
aVertices[i*3+0]=m.vert[i].P()[0];
aVertices[i*3+1]=m.vert[i].P()[1];
aVertices[i*3+2]=m.vert[i].P()[2];
}
for(int i=0;i<aTriCount;++i)
for(unsigned int i=0;i<aTriCount;++i)
{
aIndices[i*3+0]=m.face[i].V(0)-&*m.vert.begin();
aIndices[i*3+1]=m.face[i].V(1)-&*m.vert.begin();
aIndices[i*3+2]=m.face[i].V(2)-&*m.vert.begin();
}
if(aTriCount==0)
{
aIndices.resize(3,0);
aTriCount=1;
}
// Define our mesh representation to OpenCTM
ctmDefineMesh(context, &*aVertices.begin(), aVertCount, &*aIndices.begin(), aTriCount, NULL);
err=ctmGetError(context);
if(err) return err;
if( tri::HasPerVertexColor(m) && (mask & io::Mask::IOM_VERTCOLOR))
{
aColors.resize(aVertCount*4);
for(int i=0;i<aVertCount;++i)
for(unsigned int i=0;i<aVertCount;++i)
{
aColors[i*4+0]=(float)(m.vert[i].C()[0])/255.0f;
aColors[i*4+1]=(float)(m.vert[i].C()[1])/255.0f;
@ -85,7 +91,7 @@ namespace vcg {
if( tri::HasPerVertexQuality(m) && (mask & io::Mask::IOM_VERTQUALITY))
{
aQuality.resize(aVertCount*4,0);
for(int i=0;i<aVertCount;++i)
for(unsigned int i=0;i<aVertCount;++i)
{
aQuality[i*4+0]=m.vert[i].Q();
}
@ -94,9 +100,11 @@ namespace vcg {
// Save the OpenCTM file
ctmSave(context, filename);
err=ctmGetError(context);
if(err) return err;
// Free the context
ctmFreeContext(context);
return 0;
return err;
}
/*
returns mask of capability one define with what are the saveable information of the format.
@ -114,8 +122,8 @@ namespace vcg {
static const char *ErrorMsg(int error)
{
if(error==-1) return "unable to open file";
return "Ok, no errors";
if(error==0) return "Ok, no errors";
else return ctmErrorString((CTMenum)error);
}
};
} // end namespace io

18
wrap/io_trimesh/import_ctm.h
View File

@ -86,7 +86,7 @@ static const char* ErrorMsg(int error)
};
static int Open( OpenMeshType &m, const char * filename, int &loadmask, CallBackPos *cb=0)
static int Open( OpenMeshType &m, const char * filename, int &loadmask, CallBackPos */*cb*/=0)
{
CTMcontext context;
@ -106,14 +106,14 @@ static int Open( OpenMeshType &m, const char * filename, int &loadmask, CallBack
// Extract colors
m.Clear();
Allocator<OpenMeshType>::AddVertices(m, vertCount);
for(int i=0;i<vertCount;++i)
for(unsigned int i=0;i<vertCount;++i)
m.vert[i].P()=Point3f(vertices[i*3+0],vertices[i*3+1],vertices[i*3+2]);
CTMenum colorAttrib = ctmGetNamedAttribMap(context,"Color");
if(colorAttrib != CTM_NONE)
{
const CTMfloat *colors = ctmGetFloatArray(context,colorAttrib);
for(int i=0;i<vertCount;++i)
for(unsigned int i=0;i<vertCount;++i)
m.vert[i].C()=Color4b(colors[i*4+0]*255,colors[i*4+1]*255,colors[i*4+2]*255,colors[i*4+3]*255);
loadmask |= Mask::IOM_VERTCOLOR;
}
@ -122,13 +122,18 @@ static int Open( OpenMeshType &m, const char * filename, int &loadmask, CallBack
if(qualityAttrib != CTM_NONE)
{
const CTMfloat *qualities = ctmGetFloatArray(context,colorAttrib);
for(int i=0;i<vertCount;++i)
for(unsigned int i=0;i<vertCount;++i)
m.vert[i].Q()=qualities[i*4+0];
loadmask |= Mask::IOM_VERTQUALITY;
}
if(triCount==1)
{
if(indices[0]==0 && indices[1]==0 && indices[2]==0)
triCount=0;
}
Allocator<OpenMeshType>::AddFaces(m, triCount);
for(int i=0;i<triCount;++i)
for(unsigned int i=0;i<triCount;++i)
{
m.face[i].V(0)=&m.vert[indices[i*3+0]];
m.face[i].V(1)=&m.vert[indices[i*3+1]];
@ -139,8 +144,7 @@ static int Open( OpenMeshType &m, const char * filename, int &loadmask, CallBack
}
int result = E_NOERROR;
return result;
return result;
} // end of Open