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first release version

This commit is contained in:
Nico Pietroni 2012-03-16 13:50:45 +00:00
parent 4f166fbd95
commit 9d37776dd6
1 changed files with 142 additions and 0 deletions
wrap/gl
gl_field.h

142
wrap/gl/gl_field.h Normal file
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namespace vcg{
template <class MeshType>
class GLField
{
typedef typename MeshType::FaceType FaceType;
typedef typename MeshType::VertexType VertexType;
typedef typename MeshType::ScalarType ScalarType;
///draw the cross field of a given face
static void GLDrawField(MeshType &mesh,
const FaceType &f,
ScalarType &size)
{
CoordType center=(f.P0(0)+f.P0(1)+f.P0(2))/3;
CoordType normal=f.cN();
CoordType dir[4];
vcg::tri::CrossField<MeshType>::CrossVector(mesh,f,dir);
/*ScalarType ImportVal=ImportanceField(f);
glLineWidth(20.f*ImportVal);*/
glLineWidth(1);
vcg::Color4b c;
/*c.ColorRamp(0,1,float (ImportVal) );*/
vcg::glColor(vcg::Color4b(0,0,0,255));
glBegin(GL_LINES);
for (int i=0;i<4;i++)
{
glVertex(center);
glVertex(center+dir[i]*size);
}
glEnd();
}
//void GLDrawField(const VertexType &v,
// ScalarType &size)
//{
// //if ((rand()%5)!=0)return;
// CoordType center=v.cP();
// CoordType normal=v.cN();
// CoordType dir[4];
// CoordType dir0=v.cPD1();
// ScalarType w0=v.cK1();
// ScalarType w1=v.cK2();
// vcg::tri::CrossField<MeshType>::CrossVector(dir0,normal,dir);
// ScalarType ImportVal=ImportanceField(v);
// //glLineWidth(10.f*ImportVal);
// vcg::Color4b c;
// //c.ColorRamp(0,1,float (ImportVal) );
// //vcg::glColor(c);
// //vcg::glColor(vcg::Color4b(100,100,100,255));
// if (rand()%2==0) std::swap(w0, w1);
// float s;
// if (w0>w1)
// {
// vcg::glColor(vcg::Color4b(50,50,50,255));
// glLineWidth(2.0);
// s=2;
// }
// else
// {
// vcg::glColor(vcg::Color4b(150,150,150,255));
// glLineWidth(1);
// s=1;
// }
// glBegin(GL_LINES);
// glVertex(center);
// glVertex(center+dir[0]*size*s);
// glVertex(center);
// glVertex(center+dir[2]*size*s);
// glEnd();
// if (w0<=w1)
// {
// vcg::glColor(vcg::Color4b(50,50,50,255));
// glLineWidth(2.0);
// s=2;
// }
// else
// {
// vcg::glColor(vcg::Color4b(150,150,150,255));
// glLineWidth(1);
// s=1;
// }
// glBegin(GL_LINES);
// glVertex(center);
// glVertex(center+dir[1]*size*s);
// glVertex(center);
// glVertex(center+dir[3]*size*s);
// glEnd();
//}
public:
///singular vertices should be selected
static void GLDrawSingularities(const MeshType &mesh)
{
glPushAttrib(GL_ALL_ATTRIB_BITS);
glEnable(GL_COLOR_MATERIAL);
glDisable(GL_LIGHTING);
glDepthRange(0,0.999);
MyScalarType size=10;
glPointSize(size);
glBegin(GL_POINTS);
for (int i=0;i<mymesh.vert.size();i++)
{
if (mymesh.vert[i].IsD())continue;
if (!mymesh.vert[i].IsS())continue;
int mmatch;
bool IsSing=vcg::tri::CrossField<MeshType>::IsSingular(mymesh,mymesh.vert[i],mmatch);
if (!IsSing)continue;
assert(IsSing);
assert(mmatch!=0);
/*vcg::glColor(vcg::Color4b(255,0,0,255));*/
if (mmatch==1)vcg::glColor(vcg::Color4b(0,0,255,255));
else
if (mmatch==2)vcg::glColor(vcg::Color4b(255,0,0,255));
else
if (mmatch==3)vcg::glColor(vcg::Color4b(0,255,255,255));
vcg::glVertex(mymesh.vert[i].P());
}
glEnd();
glPopAttrib();
}
static void GLDrawFaceField(const MeshType &mesh)
{
srand(12345);
glPushAttrib(GL_ALL_ATTRIB_BITS);
glEnable(GL_COLOR_MATERIAL);
glDisable(GL_LIGHTING);
MyScalarType size=mymesh.bbox.Diag()/100.0;
vcg::Color4b c=vcg::Color4b(255,0,0,255);
for (int i=0;i<mymesh.face.size();i++)
{
if (mymesh.face[i].IsD())continue;
GLDrawField(mymesh,mymesh.face[i],size);
}
glPopAttrib();
}
};
}