ForkMaster/netgen
1
0
Fork 0
mirror of https://github.com/NGSolve/netgen.git synced 2025-01-27 13:20:34 +05:00
Code Issues Packages Projects Releases Wiki Activity

correct mesh-size for closed surfaces

Browse Source
This commit is contained in:
Joachim Schoeberl 2012-10-03 13:14:18 +00:00
parent 17e36e2659
commit bd8869338b
1 changed files with 17 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
libsrc/csg/edgeflw.cpp
View File

@ -1700,68 +1700,44 @@ namespace netgen
{ {
// if there is no special point at a sphere, one has to add a segment pair // if there is no special point at a sphere, one has to add a segment pair
int i, j;
int nsol;
int nsurf = geometry.GetNSurf(); int nsurf = geometry.GetNSurf();
int layer(0); int layer = 0;
BitArray pointatsurface (nsurf);
Point<3> p1, p2;
Vec<3> nv, tv;
Solid * tansol; Solid * tansol;
Array<int> tansurfind; Array<int> tansurfind;
// const Solid * sol;
double size = geometry.MaxSize(); double size = geometry.MaxSize();
nsol = geometry.GetNTopLevelObjects(); int nsol = geometry.GetNTopLevelObjects();
BitArray pointatsurface (nsurf);
pointatsurface.Clear(); pointatsurface.Clear();
/* for (int i = 1; i <= mesh.GetNSeg(); i++)
for (i = 1; i <= specpoints.Size(); i++)
{
int classrep;
classrep = geometry.GetSurfaceClassRepresentant (specpoints[i].s1);
pointatsurface.Set (classrep);
classrep = geometry.GetSurfaceClassRepresentant (specpoints[i].s2);
pointatsurface.Set (classrep);
// pointatsurface.Set (specpoints[i].s1);
// pointatsurface.Set (specpoints[i].s2);
}
*/
for (i = 1; i <= mesh.GetNSeg(); i++)
{ {
const Segment & seg = mesh.LineSegment(i); const Segment & seg = mesh.LineSegment(i);
int classrep;
#ifdef DEVELOP #ifdef DEVELOP
(*testout) << seg.surfnr1 << ", " << seg.surfnr2 << ", si = " << seg.si << endl; (*testout) << seg.surfnr1 << ", " << seg.surfnr2 << ", si = " << seg.si << endl;
#endif #endif
classrep = geometry.GetSurfaceClassRepresentant (seg.si); int classrep = geometry.GetSurfaceClassRepresentant (seg.si);
pointatsurface.Set (classrep); pointatsurface.Set (classrep);
} }
for (i = 0; i < nsurf; i++) for (int i = 0; i < nsurf; i++)
{ {
int classrep = geometry.GetSurfaceClassRepresentant (i); int classrep = geometry.GetSurfaceClassRepresentant (i);
if (!pointatsurface.Test(classrep)) if (!pointatsurface.Test(classrep))
{ {
const Surface * s = geometry.GetSurface(i); const Surface * s = geometry.GetSurface(i);
p1 = s -> GetSurfacePoint(); Point<3> p1 = s -> GetSurfacePoint();
nv = s -> GetNormalVector (p1); Vec<3> nv = s -> GetNormalVector (p1);
double hloc = double hloc =
min2 (s->LocH (p1, 3, 1, h), mesh.GetH(p1)); min2 (s->LocH (p1, 3, 1, h), mesh.GetH(p1));
tv = nv.GetNormal ();
tv *= (hloc / tv.Length());
p2 = p1 + tv;
s->Project (p2);
Segment seg1; Segment seg1;
@ -1779,7 +1755,7 @@ namespace netgen
seg1.surfnr2 = i; seg1.surfnr2 = i;
seg2.surfnr2 = i; seg2.surfnr2 = i;
for (j = 0; j < nsol; j++) for (int j = 0; j < nsol; j++)
{ {
if (geometry.GetTopLevelObject(j)->GetSurface()) if (geometry.GetTopLevelObject(j)->GetSurface())
continue; continue;
@ -1795,6 +1771,8 @@ namespace netgen
if (tansurfind.Size() == 1 && tansurfind.Get(1) == i) if (tansurfind.Size() == 1 && tansurfind.Get(1) == i)
{ {
hloc = min2 (hloc, geometry.GetTopLevelObject(j)->GetMaxH());
if (!tansol->VectorIn(p1, nv)) if (!tansol->VectorIn(p1, nv))
{ {
seg1.domin = j; seg1.domin = j;
@ -1817,6 +1795,12 @@ namespace netgen
} }
} }
Vec<3> tv = nv.GetNormal ();
tv *= (hloc / tv.Length());
Point<3> p2 = p1 + tv;
s->Project (p2);
if (seg1.domin != -1 || seg1.domout != -1) if (seg1.domin != -1 || seg1.domout != -1)
{ {