//! compute C = this + B
bool DenseMatrix::Add(const DenseMatrix & B, DenseMatrix & C ) const
{
C = *this;
return C.Add(B);
}
void VisualizationSceneVector3d::PrepareLines2()
{
int i, j, k, fn, fo, di;
double bbox_diam;
glNewList (linelist, GL_COMPILE);
int nbe = mesh -> GetNBE();
DenseMatrix pointmat;
DenseMatrix vec_vals;
Vector values;
RefinedGeometry * RefG;
Array<int> vertices;
bbox_diam = sqrt ( (x[1]-x[0])*(x[1]-x[0]) +
(y[1]-y[0])*(y[1]-y[0]) +
(z[1]-z[0])*(z[1]-z[0]) );
double sc = FaceShiftScale * bbox_diam;
for (i = 0; i < nbe; i++)
{
if (!bdr_attr_to_show[mesh->GetBdrAttribute(i)-1]) continue;
mesh->GetBdrElementVertices (i, vertices);
if (cplane == 2)
{
int n = 0;
for (j = 0; j < vertices.Size(); j ++)
if (node_pos[vertices[j]] >= 0.0)
n++;
if (n < vertices.Size())
continue; // with the next boundary element
}
mesh -> GetBdrElementFace (i, &fn, &fo);
RefG = GlobGeometryRefiner.Refine (mesh -> GetFaceBaseGeometry (fn),
TimesToRefine);
// di = GridF -> GetFaceValues (fn, 2, RefG->RefPts, values, pointmat);
di = fo % 2;
if (di == 1 && !mesh->FaceIsInterior(fn))
di = 0;
GridF -> GetFaceValues (fn, di, RefG->RefPts, values, pointmat);
VecGridF -> GetFaceVectorValues (fn, di, RefG->RefPts,
vec_vals, pointmat);
if (ianim > 0)
pointmat.Add (double(ianim)/ianimmax, vec_vals);
ShrinkPoints(pointmat, i, fn, di);
int *RG = &(RefG->RefGeoms[0]);
double pts[][3] = { { pointmat(0,RG[0]), pointmat(1,RG[0]),
pointmat(2,RG[0]) },
{ pointmat(0,RG[1]), pointmat(1,RG[1]),
pointmat(2,RG[1]) },
{ pointmat(0,RG[2]), pointmat(1,RG[2]),
pointmat(2,RG[2]) } };
double norm[3];
Compute3DUnitNormal (pts[0], pts[1], pts[2], norm);
if (di != 0 && sc != 0.0)
{
norm[0] = -norm[0];
norm[1] = -norm[1];
norm[2] = -norm[2];
}
if (drawmesh == 1)
{
Array<int> &REdges = RefG->RefEdges;
glBegin (GL_LINES);
for (k = 0; k < REdges.Size()/2; k++)
{
int *RE = &(REdges[2*k]);
if (sc == 0.0)
{
for (j = 0; j < 2; j++)
glVertex3d (pointmat(0, RE[j]), pointmat(1, RE[j]),
pointmat(2, RE[j]));
}
else
{
for (j = 0; j < 2; j++)
{
double val = sc * (values(RE[j]) - minv) / (maxv - minv);
glVertex3d (pointmat(0, RE[j])+val*norm[0],
pointmat(1, RE[j])+val*norm[1],
pointmat(2, RE[j])+val*norm[2]);
}
}
}
glEnd();
}
else if (drawmesh == 2)
{
double point[4][4];
int sides;
switch (mesh -> GetBdrElementType (i))
{
case Element::TRIANGLE:
sides = 3;
break;
case Element::QUADRILATERAL:
default:
sides = 4;
break;
}
for (k = 0; k < RefG->RefGeoms.Size()/sides; k++)
{
RG = &(RefG->RefGeoms[k*sides]);
if (sc == 0.0)
{
for (j = 0; j < sides; j++)
{
for (int ii = 0; ii < 3; ii++)
point[j][ii] = pointmat(ii, RG[j]);
point[j][3] = values(RG[j]);
}
}
else
{
for (j = 0; j < sides; j++)
{
double val = (values(RG[j]) - minv) / (maxv - minv);
val *= sc;
for (int ii = 0; ii < 3; ii++)
point[j][ii] = pointmat(ii, RG[j])+val*norm[ii];
point[j][3] = values(RG[j]);
}
}
DrawPolygonLevelLines(point[0], sides, level, false);
}
}
}
glEndList();
}