276 lines
9.7 KiB
C++
276 lines
9.7 KiB
C++
/****************************************************************************
|
|
* VCGLib o o *
|
|
* Visual and Computer Graphics Library o o *
|
|
* _ O _ *
|
|
* Copyright(C) 2004 \/)\/ *
|
|
* 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. *
|
|
* *
|
|
****************************************************************************/
|
|
#ifndef __VCGLIB_IMPORTERFIELD
|
|
#define __VCGLIB_IMPORTERFIELD
|
|
#include <vcg/complex/algorithms/parametrization/tangent_field_operators.h>
|
|
|
|
namespace vcg {
|
|
namespace tri {
|
|
namespace io {
|
|
|
|
/**
|
|
This class encapsulate a filter for opening field formats
|
|
*/
|
|
template <class MeshType>
|
|
class ImporterFIELD
|
|
{
|
|
typedef typename MeshType::ScalarType ScalarType;
|
|
typedef typename MeshType::FaceType FaceType;
|
|
typedef typename MeshType::VertexType VertexType;
|
|
typedef typename MeshType::CoordType CoordType;
|
|
|
|
public:
|
|
|
|
static bool LoadGrad(MeshType &mesh,
|
|
const char *path)
|
|
{
|
|
FILE *f = fopen(path,"rt");
|
|
if (!f)
|
|
{
|
|
return false;
|
|
}
|
|
int numF;
|
|
fscanf(f,"%d\n",&numF);
|
|
assert(numF==mesh.fn);
|
|
char skipstr[200];
|
|
//int readed0;
|
|
for (int i=0;i<9;i++)
|
|
fscanf(f,"%s",&skipstr[0]);
|
|
|
|
for (int i=0;i<mesh.fn;i++)
|
|
{
|
|
int i0=-1;
|
|
int i1=-1;
|
|
int i2=-1;
|
|
double u0,v0,u1,v1,u2,v2;
|
|
int readed1=fscanf(f,"%d %d %d %lf %lf %lf %lf %lf %lf",&i0,&i1,&i2,&u0,&v0,&u1,&v1,&u2,&v2);
|
|
assert(readed1==9);
|
|
vcg::Point2<ScalarType> UV[3];
|
|
UV[0]= vcg::Point2<ScalarType>(u0,v0);
|
|
UV[1]= vcg::Point2<ScalarType>(u1,v1);
|
|
UV[2]= vcg::Point2<ScalarType>(u2,v2);
|
|
CoordType dir1;
|
|
CoordType dir2;
|
|
vcg::tri::CrossField<MeshType>::GradientToCross(mesh.face[i],UV[0],UV[1],UV[2],dir1,dir2);
|
|
dir1.Normalize();
|
|
dir2.Normalize();
|
|
mesh.face[i].PD1()=dir1;
|
|
mesh.face[i].PD2()=dir2;
|
|
}
|
|
fclose(f);
|
|
return true;
|
|
}
|
|
|
|
///load a field on the mesh, it could be a vfield file (per vertex)
|
|
///or an ffield file (per face)
|
|
static bool LoadFFIELD(MeshType &mesh,
|
|
const char *path,
|
|
bool per_vertex=false)
|
|
{
|
|
|
|
FILE *f = fopen(path,"rt");
|
|
if (!f)
|
|
{
|
|
return false;
|
|
}
|
|
{
|
|
char word[512]; word[0]=0;
|
|
fscanf(f,"%s",word);
|
|
char c=0;
|
|
if (word[0]=='#') {
|
|
// skip comment line
|
|
while (fscanf(f,"%c",&c)!=EOF) if (c=='\n') break;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
int nnv = -1;
|
|
if (fscanf(f,"%d",&nnv)!=1)
|
|
{
|
|
while (fscanf(f,"%c",&c)!=EOF) if (c=='\n') break; // skip
|
|
fscanf(f,"%d",&nnv);
|
|
}
|
|
int targetnum=mesh.fn;
|
|
if (per_vertex)
|
|
targetnum=mesh.vn;
|
|
if (nnv != (int)targetnum)
|
|
{
|
|
//if (errorMsg) sprintf(errorMsg,"Wrong element number. Found: %d. Expected: %d.",nnv,mesh->vn);
|
|
return false;
|
|
}
|
|
while (fscanf(f,"%c",&c)!=EOF) if (c=='\n') break; // skip
|
|
// skip strange string line
|
|
while (fscanf(f,"%c",&c)!=EOF) if (c=='\n') break;
|
|
for (int i=0; i<nnv; i++){
|
|
vcg::Point3<float> u,v;
|
|
float a,b;
|
|
if (fscanf(f,
|
|
"%f %f %f %f %f %f %f %f",
|
|
&a,&b,
|
|
&(v.X()),&(v.Y()),&(v.Z()),
|
|
&(u.X()),&(u.Y()),&(u.Z())
|
|
)!=8) {
|
|
//if (errorMsg) sprintf(errorMsg,"Format error reading vertex n. %d",i);
|
|
return false;
|
|
}
|
|
|
|
u.Normalize();
|
|
v.Normalize();
|
|
|
|
if (per_vertex)
|
|
{
|
|
mesh.vert[i].PD1().X()=(ScalarType) u.X();
|
|
mesh.vert[i].PD1().Y()=(ScalarType) u.Y();
|
|
mesh.vert[i].PD1().Z()=(ScalarType) u.Z();
|
|
mesh.vert[i].PD2().X()=(ScalarType) v.X();
|
|
mesh.vert[i].PD2().Y()=(ScalarType) v.Y();
|
|
mesh.vert[i].PD2().Z()=(ScalarType) v.Z();
|
|
}
|
|
else
|
|
{
|
|
mesh.face[i].PD1().X()=(ScalarType) u.X();
|
|
mesh.face[i].PD1().Y()=(ScalarType) u.Y();
|
|
mesh.face[i].PD1().Z()=(ScalarType) u.Z();
|
|
mesh.face[i].PD2().X()=(ScalarType) v.X();
|
|
mesh.face[i].PD2().Y()=(ScalarType) v.Y();
|
|
mesh.face[i].PD2().Z()=(ScalarType) v.Z();
|
|
mesh.face[i].PD1().Normalize();
|
|
mesh.face[i].PD2().Normalize();
|
|
}
|
|
}
|
|
}
|
|
fclose(f);
|
|
return true;
|
|
}
|
|
|
|
///Load a 4 rosy format file as used by
|
|
///Interactive Visualization of Rotational Symmetry Fields on Surfaces
|
|
///Jonathan Palacios and Eugene Zhang
|
|
static void Load4ROSY(MeshType &mesh,
|
|
const char *path)
|
|
{
|
|
FILE *f = fopen(path,"rt");
|
|
int num,symm;
|
|
fscanf(f,"%d",&num);
|
|
assert(num==mesh.vn);
|
|
fscanf(f,"%d\n",&symm);
|
|
assert(symm==4);
|
|
for (unsigned int i=0;i<num;i++)
|
|
{
|
|
float dirX,dirY,dirZ;
|
|
fscanf(f,"%f %f %f \n",&dirX,&dirY,&dirZ);
|
|
mesh.vert[i].PD1()=CoordType(dirX,dirY,dirZ);
|
|
mesh.vert[i].PD2()=mesh.vert[i].PD1()^mesh.vert[i].N();
|
|
mesh.vert[i].PD1().Normalize();
|
|
mesh.vert[i].PD2().Normalize();
|
|
}
|
|
fclose(f);
|
|
}
|
|
|
|
|
|
static bool LoadSeamsMMFromOBJ(MeshType &mesh,std::string PathOBJ)
|
|
{
|
|
///per face per edge of mmatch in the solver
|
|
typename MeshType::template PerFaceAttributeHandle<vcg::Point3i> Handle_MMatch;
|
|
///seam per face
|
|
typename MeshType::template PerFaceAttributeHandle<vcg::Point3<bool> > Handle_Seams;
|
|
|
|
bool HasHandleMMatch=vcg::tri::HasPerFaceAttribute(mesh,std::string("MissMatch"));
|
|
if (!HasHandleMMatch)
|
|
Handle_MMatch = vcg::tri::Allocator<MeshType>::template AddPerFaceAttribute<vcg::Point3i>(mesh,std::string("MissMatch"));
|
|
else
|
|
Handle_MMatch = vcg::tri::Allocator<MeshType>::template GetPerFaceAttribute<vcg::Point3i>(mesh,std::string("MissMatch"));
|
|
|
|
bool HasHandleSeams=vcg::tri::HasPerFaceAttribute(mesh,std::string("Seams"));
|
|
if (!HasHandleSeams)
|
|
Handle_Seams=vcg::tri::Allocator<MeshType>::template AddPerFaceAttribute<vcg::Point3<bool> >(mesh,std::string("Seams"));
|
|
else
|
|
Handle_Seams=vcg::tri::Allocator<MeshType>::template GetPerFaceAttribute<vcg::Point3<bool> >(mesh,std::string("Seams"));
|
|
|
|
FILE *f = fopen(PathOBJ.c_str(),"rt");
|
|
if (!f)
|
|
return false;
|
|
|
|
for (unsigned int i=0;i<mesh.face.size();i++)
|
|
{
|
|
for (int j=0;j<3;j++)
|
|
{
|
|
Handle_Seams[i][j]=false;
|
|
Handle_MMatch[i][j]=0;
|
|
}
|
|
}
|
|
|
|
while (!feof(f))
|
|
{
|
|
|
|
int f_int,v_int,rot;
|
|
int readed=fscanf(f,"sm %d %d %d\n",&f_int,&v_int,&rot);
|
|
///skip lines
|
|
if (readed==0)
|
|
{
|
|
char buff[200];
|
|
fscanf(f,"%s\n",&buff[0]);
|
|
}
|
|
else ///add the actual seams
|
|
{
|
|
VertexType *v=&mesh.vert[v_int-1];
|
|
FaceType *f0=&mesh.face[f_int-1];
|
|
int e0=-1;
|
|
if (f0->V(0)==v)e0=0;
|
|
if (f0->V(1)==v)e0=1;
|
|
if (f0->V(2)==v)e0=2;
|
|
e0=(e0+2)%3;
|
|
assert(e0!=-1);
|
|
FaceType *f1;
|
|
int e1;
|
|
f1=f0->FFp(e0);
|
|
e1=f0->FFi(e0);
|
|
Handle_Seams[f0][e0]=true;
|
|
Handle_Seams[f1][e1]=true;
|
|
|
|
Handle_MMatch[f0][e0]=rot;
|
|
int rot1;
|
|
if (rot==0)rot1=0;
|
|
if (rot==1)rot1=3;
|
|
if (rot==2)rot1=2;
|
|
if (rot==3)rot1=1;
|
|
Handle_MMatch[f1][e1]=rot1;
|
|
}
|
|
}
|
|
//printf("NEED %d LINES\n",i);
|
|
return true;
|
|
}
|
|
|
|
|
|
}; // end class
|
|
|
|
|
|
|
|
} // end namespace tri
|
|
} // end namespace io
|
|
} // end namespace vcg
|
|
|
|
#endif
|
|
|