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Do linear interpolation of corresponding edge points in SplineGeometry tensor mesh generation

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better results for curved domains
This commit is contained in:
Matthias Hochsteger 2020-06-08 10:41:22 +02:00
parent 5bea3bb612
commit d1c7a16d63
1 changed files with 7 additions and 2 deletions
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9
libsrc/geom2d/genmesh2d.cpp
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@ -527,11 +527,16 @@ namespace netgen
for (PointIndex pix = nextpi[c1], ix = 0; pix != c2; pix = nextpi[pix], ix++)
{
Point<3> px = (*mesh)[pix];
for (PointIndex piy = nextpi[c2], iy = 0; piy != c3; piy = nextpi[piy], iy++)
{
Point<3> p = (*mesh)[pix] + ( (*mesh)[piy] - (*mesh)[c2] );
pts[(nex+1)*(iy+1) + ix+1] = mesh -> AddPoint (p , 1, FIXEDPOINT);
double lam = Dist((*mesh)[piy],(*mesh)[c2]) / Dist((*mesh)[c3],(*mesh)[c2]);
auto pix1 = pts[(nex+1)*ney+ix+1];
auto pnew = px + lam*((*mesh)[pix1]-px);
pts[(nex+1)*(iy+1) + ix+1] = mesh -> AddPoint (pnew, 1, FIXEDPOINT);
}
}
for (int i = 0; i < ney; i++)
for (int j = 0; j < nex; j++)