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* Added size based mesh visualisation also for Volume Elements

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This commit is contained in:
Philippose Rajan 2010-02-26 22:31:18 +00:00
parent 36e517fbb1
commit 96273c8861
1 changed files with 82 additions and 15 deletions
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97
libsrc/visualization/vsmesh.cpp
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@ -1784,6 +1784,34 @@ namespace netgen
glNewList (tetlist, GL_COMPILE); glNewList (tetlist, GL_COMPILE);
Vector locms;
// Philippose - 16/02/2010
// Add Mesh size based coloring of
// meshes also for the volume elements
if (vispar.colormeshsize)
{
glEnable (GL_COLOR_MATERIAL);
locms.SetSize (mesh->GetNP());
maxh = -1;
minh = 1e99;
for (int i = 1; i <= locms.Size(); i++)
{
Point3d p = mesh->Point(i);
locms(i-1) = mesh->GetH (p);
if (locms(i-1) > maxh) maxh = locms(i-1);
if (locms(i-1) < minh) minh = locms(i-1);
}
if (!locms.Size())
{
minh = 1;
maxh = 10;
}
}
else
glDisable (GL_COLOR_MATERIAL);
Array<Element2d> faces; Array<Element2d> faces;
@ -2002,7 +2030,7 @@ namespace netgen
} }
} }
else else // Not High Order
{ {
Point<3> pts[4]; Point<3> pts[4];
@ -2021,23 +2049,62 @@ namespace netgen
glBegin (GL_TRIANGLE_STRIP); glBegin (GL_TRIANGLE_STRIP);
n = Cross (pts[1]-pts[0], pts[2]-pts[0]); // Philippose - 16/02/2010
glNormal3dv (n); // Add Mesh size based coloring of
glVertex3dv (pts[0]); // meshes also for the volume elements
glVertex3dv (pts[1]); if(vispar.colormeshsize)
glVertex3dv (pts[2]); {
n = Cross (pts[1]-pts[0], pts[2]-pts[0]);
glNormal3dv (n);
n = Cross (pts[3]-pts[1], pts[2]-pts[1]); SetOpenGlColor (locms(el[0]-1), minh, maxh, 0);
glNormal3dv (n); glVertex3dv (pts[0]);
glVertex3dv (pts[3]);
n = Cross (pts[3]-pts[2], pts[0]-pts[2]); SetOpenGlColor (locms(el[1]-1), minh, maxh, 0);
glNormal3dv (n); glVertex3dv (pts[1]);
glVertex3dv (pts[0]);
n = Cross (pts[1]-pts[3], pts[0]-pts[3]); SetOpenGlColor (locms(el[2]-1), minh, maxh, 0);
glNormal3dv (n); glVertex3dv (pts[2]);
glVertex3dv (pts[1]);
n = Cross (pts[3]-pts[1], pts[2]-pts[1]);
glNormal3dv (n);
SetOpenGlColor (locms(el[3]-1), minh, maxh, 0);
glVertex3dv (pts[3]);
n = Cross (pts[3]-pts[2], pts[0]-pts[2]);
glNormal3dv (n);
SetOpenGlColor (locms(el[0]-1), minh, maxh, 0);
glVertex3dv (pts[0]);
n = Cross (pts[1]-pts[3], pts[0]-pts[3]);
glNormal3dv (n);
SetOpenGlColor (locms(el[1]-1), minh, maxh, 0);
glVertex3dv (pts[1]);
}
else // Do not color mesh based on mesh size
{
n = Cross (pts[1]-pts[0], pts[2]-pts[0]);
glNormal3dv (n);
glVertex3dv (pts[0]);
glVertex3dv (pts[1]);
glVertex3dv (pts[2]);
n = Cross (pts[3]-pts[1], pts[2]-pts[1]);
glNormal3dv (n);
glVertex3dv (pts[3]);
n = Cross (pts[3]-pts[2], pts[0]-pts[2]);
glNormal3dv (n);
glVertex3dv (pts[0]);
n = Cross (pts[1]-pts[3], pts[0]-pts[3]);
glNormal3dv (n);
glVertex3dv (pts[1]);
}
glEnd(); glEnd();
} }