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changes drawing of cross field to show the 2 main directions

This commit is contained in:
Nico Pietroni 2012-09-05 23:27:10 +00:00
parent 3658530bde
commit 62b1a26ecf
1 changed files with 15 additions and 10 deletions
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25
wrap/gl/gl_field.h
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@ -12,14 +12,20 @@ class GLField
ScalarType &size) ScalarType &size)
{ {
glLineWidth(3); glLineWidth(2);
vcg::glColor(vcg::Color4b(0,0,255,255)); vcg::glColor(vcg::Color4b(0,0,255,255));
glBegin(GL_LINES); glBegin(GL_LINES);
glVertex(center); glVertex(center);
glVertex(center+dir[0]*size); glVertex(center+dir[0]*size);
glEnd(); glEnd();
glLineWidth(1); glLineWidth(2);
vcg::glColor(vcg::Color4b(0,255,0,255));
glBegin(GL_LINES);
glVertex(center);
glVertex(center+dir[1]*size);
glEnd();
/*glLineWidth(1);
vcg::glColor(vcg::Color4b(0,0,0,255)); vcg::glColor(vcg::Color4b(0,0,0,255));
glBegin(GL_LINES); glBegin(GL_LINES);
@ -28,13 +34,12 @@ class GLField
glVertex(center); glVertex(center);
glVertex(center+dir[i]*size); glVertex(center+dir[i]*size);
} }
glEnd(); glEnd();*/
} }
///draw the cross field of a given face ///draw the cross field of a given face
static void GLDrawFaceField(const MeshType &mesh, static void GLDrawFaceField(const FaceType &f,
const FaceType &f,
ScalarType &size) ScalarType &size)
{ {
CoordType center=(f.P0(0)+f.P0(1)+f.P0(2))/3; CoordType center=(f.P0(0)+f.P0(1)+f.P0(2))/3;
@ -82,13 +87,13 @@ public:
ScalarType size=10; ScalarType size=10;
glPointSize(size); glPointSize(size);
glBegin(GL_POINTS); glBegin(GL_POINTS);
for (int i=0;i<mesh.vert.size();i++) for (unsigned int i=0;i<mesh.vert.size();i++)
{ {
if (mesh.vert[i].IsD())continue; if (mesh.vert[i].IsD())continue;
if (!mesh.vert[i].IsS())continue; if (!mesh.vert[i].IsS())continue;
int mmatch; int mmatch;
bool IsSing=vcg::tri::CrossField<MeshType>::IsSingular(mesh.vert[i],mmatch); bool IsSing=vcg::tri::CrossField<MeshType>::IsSingular(mesh.vert[i],mmatch);
if (!IsSing)continue; //if (!IsSing)continue;
assert(IsSing); assert(IsSing);
assert(mmatch!=0); assert(mmatch!=0);
/*vcg::glColor(vcg::Color4b(255,0,0,255));*/ /*vcg::glColor(vcg::Color4b(255,0,0,255));*/
@ -111,11 +116,11 @@ public:
glEnable(GL_COLOR_MATERIAL); glEnable(GL_COLOR_MATERIAL);
glDisable(GL_LIGHTING); glDisable(GL_LIGHTING);
ScalarType size=mesh.bbox.Diag()/400.0; ScalarType size=mesh.bbox.Diag()/400.0;
for (int i=0;i<mesh.face.size();i++) for (unsigned int i=0;i<mesh.face.size();i++)
{ {
if (mesh.face[i].IsD())continue; if (mesh.face[i].IsD())continue;
//if (!mesh.face[i].leading)continue; //if (!mesh.face[i].leading)continue;
GLDrawFaceField(mesh,mesh.face[i],size); GLDrawFaceField(mesh.face[i],size);
} }
glPopAttrib(); glPopAttrib();
} }
@ -142,7 +147,7 @@ public:
glDisable(GL_LIGHTING); glDisable(GL_LIGHTING);
vcg::glColor(vcg::Color4b(255,0,0,255)); vcg::glColor(vcg::Color4b(255,0,0,255));
glDepthRange(0,0.999); glDepthRange(0,0.999);
for (int i=0;i<mesh.face.size();i++) for (unsigned int i=0;i<mesh.face.size();i++)
{ {
if (mesh.face[i].IsD())continue; if (mesh.face[i].IsD())continue;
GLDrawFaceSeams(mesh.face[i]); GLDrawFaceSeams(mesh.face[i]);