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MultiPoint evaluation for DrawIsoSurface

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This commit is contained in:
Gerhard Kitzler 2017-04-04 11:49:32 +02:00
parent 8f936f82ea
commit dda40cf1f4
1 changed files with 39 additions and 15 deletions
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52
libsrc/visualization/vssolution.cpp
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@ -1928,12 +1928,12 @@ namespace netgen
Array<Point<3> > grid(n3);
Array<Point<3> > locgrid(n3);
Array<Mat<3,3> > trans(n3);
Array<double> val(n3);
Array<Vec<3> > grads(n3);
Array<double> val1(n3*sol->components);
Array<Vec<3> > grads1(n3);
Array<int> compress(n3);
MatrixFixWidth<3> pointmat(8);
grads = Vec<3> (0.0);
grads1 = Vec<3> (0.0);
for (ElementIndex ei = 0; ei < ne; ei++)
{
@ -2023,26 +2023,47 @@ namespace netgen
}
bool has_pos = 0, has_neg = 0;
GetMultiValues( sol, ei, -1, n3,
&locgrid[0](0), &locgrid[1](0)-&locgrid[0](0),
&grid[0](0), &grid[1](0)-&grid[0](0),
&trans[0](0), &trans[1](0)-&trans[0](0),
&val1[0], sol->components);
for (int i = 0; i < cnt_valid; i++)
{
GetValue (sol, ei, &locgrid[i](0), &grid[i](0), &trans[i](0), comp, val[i]);
// GetValue (sol, ei, &locgrid[i](0), &grid[i](0), &trans[i](0), comp, val[i]);
val[i] -= minval;
if (vsol)
GetValues (vsol, ei, &locgrid[i](0), &grid[i](0), &trans[i](0), &grads[i](0));
grads[i] *= -1;
// val[i] -= minval;
val1[sol->components*i+comp-1] -= minval;
if (val[i] > 0)
// if (vsol)
// GetValues (vsol, ei, &locgrid[i](0), &grid[i](0), &trans[i](0), &grads[i](0));
// grads[i] *= -1;
if (val1[i*sol->components+comp-1] > 0)
has_pos = 1;
else
has_neg = 1;
// if (val[i] > 0)
// has_pos = 1;
// else
// has_neg = 1;
}
if (!has_pos || !has_neg) continue;
if (vsol)
{
GetMultiValues(vsol, ei, -1, n3,
&locgrid[0](0), &locgrid[1](0)-&locgrid[0](0),
&grid[0](0), &grid[1](0)-&grid[0](0),
&trans[0](0), &trans[1](0)-&trans[0](0),
&grads1[0](0), vsol->components);
// for (int i = 0; i < cnt_valid; i++)
// grads1[i*sol->components+comp-1] *= -1;
for (int i = 0; i < cnt_valid; i++)
grads1[i] *= -1;
}
for (int ix = 0; ix < n; ix++)
for (int iy = 0; iy < n; iy++)
for (int iz = 0; iz < n; iz++)
@ -2075,8 +2096,10 @@ namespace netgen
if (!is_valid) continue;
// for (int j = 0; j < 4; j++)
// nodevali[j] = val[teti[j]];
for (int j = 0; j < 4; j++)
nodevali[j] = val[teti[j]];
nodevali[j] = val1[sol->components*teti[j]+comp-1];
cntce = 0;
for (int j = 0; j < 6; j++)
@ -2091,8 +2114,9 @@ namespace netgen
edgelam[j] = nodevali[lpi2] / (nodevali[lpi2] - nodevali[lpi1]);
edgep[j] = grid[teti[lpi1]] + (1-edgelam[j]) * (grid[teti[lpi2]]-grid[teti[lpi1]]);
normp[j] = grads[teti[lpi1]] + (1-edgelam[j]) * (grads[teti[lpi2]]-grads[teti[lpi1]]);
// normp[j] = grads[teti[lpi1]] + (1-edgelam[j]) * (grads[teti[lpi2]]-grads[teti[lpi1]]);
normp[j] = grads1[teti[lpi1]] + (1-edgelam[j]) * (grads1[teti[lpi2]]-grads1[teti[lpi1]]);
// normp[j] = grads1[sol->components*teti[lpi1]+comp-1] + (1-edgelam[j]) * (grads1[sol->components*teti[lpi2]+comp-1]-grads1[sol->components*teti[lpi1]+comp-1]);
cntce++;
cpe3 = cpe2;
cpe2 = cpe1;