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improve curving trigs with u,v coordinates by better initial guess

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Michael 2021-02-01 15:29:17 +01:00
parent 7739aaedf7
commit 5023856432
1 changed files with 4 additions and 2 deletions
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6
libsrc/meshing/curvedelems.cpp
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@ -1261,8 +1261,10 @@ namespace netgen
SurfaceElementIndex sei = top.GetFace2SurfaceElement (f+1)-1;
if (sei != SurfaceElementIndex(-1)) {
PointGeomInfo gi = mesh[sei].GeomInfoPi(1);
gi.u = 1.0/3.0*(mesh[sei].GeomInfoPi(1).u+mesh[sei].GeomInfoPi(2).u+mesh[sei].GeomInfoPi(3).u);
gi.v = 1.0/3.0*(mesh[sei].GeomInfoPi(1).v+mesh[sei].GeomInfoPi(2).v+mesh[sei].GeomInfoPi(3).v);
// use improved initial guess
gi.u = (lami[fnums[0]]*mesh[sei].GeomInfoPi(1).u+lami[fnums[1]]*mesh[sei].GeomInfoPi(2).u+lami[fnums[2]]*mesh[sei].GeomInfoPi(3).u);
gi.v = (lami[fnums[0]]*mesh[sei].GeomInfoPi(1).v+lami[fnums[1]]*mesh[sei].GeomInfoPi(2).v+lami[fnums[2]]*mesh[sei].GeomInfoPi(3).v);
geo.ProjectPointGI(surfnr[facenr], pp, gi);
}
else