ForkMaster/netgen
1
0
Fork 0
mirror of https://github.com/NGSolve/netgen.git synced 2024-12-25 21:40:33 +05:00
Code Issues Packages Projects Releases Wiki Activity

fix build-faces for 2D

Browse Source
This commit is contained in:
Joachim Schöberl 2016-08-18 11:49:59 +02:00
parent 5413493c64
commit a54a40a771
1 changed files with 107 additions and 108 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

215
libsrc/meshing/topology.cpp
View File

@ -165,119 +165,120 @@ namespace netgen
}
*/
}
}
for (SurfaceElementIndex elnr : top.GetVertexSurfaceElements(v))
{
const Element2d & el = mesh.SurfaceElement (elnr);
for (SurfaceElementIndex elnr : top.GetVertexSurfaceElements(v))
{
const Element2d & el = mesh.SurfaceElement (elnr);
const ELEMENT_FACE * elfaces = MeshTopology::GetFaces1 (el.GetType());
if (elfaces[0][3] == 0)
{ // triangle
const ELEMENT_FACE * elfaces = MeshTopology::GetFaces1 (el.GetType());
if (elfaces[0][3] == 0)
{ // triangle
int facenum;
int facedir;
INDEX_4 face(el.PNum(elfaces[0][0]),
el.PNum(elfaces[0][1]),
el.PNum(elfaces[0][2]),0);
facedir = 0;
if (face.I1() > face.I2())
{
swap (face.I1(), face.I2());
facedir += 1;
}
if (face.I2() > face.I3())
{
swap (face.I2(), face.I3());
facedir += 2;
}
if (face.I1() > face.I2())
{
swap (face.I1(), face.I2());
facedir += 4;
}
if (face.I1() != v) continue;
func(face, elnr, 0, false, facedir);
/*
if (vert2face.Used (face))
facenum = vert2face.Get(face);
else
{
nfa++;
vert2face.Set (face, nfa);
facenum = nfa;
INDEX_4 hface(face.I1(),face.I2(),face.I3(),0);
face2vert.Append (hface);
}
surffaces[elnr].fnr = facenum-1;
surffaces[elnr].forient = facedir;
*/
}
int facenum;
int facedir;
else
INDEX_4 face(el.PNum(elfaces[0][0]),
el.PNum(elfaces[0][1]),
el.PNum(elfaces[0][2]),0);
facedir = 0;
if (face.I1() > face.I2())
{
// quad
int facenum;
int facedir;
INDEX_4 face4(el.PNum(elfaces[0][0]),
el.PNum(elfaces[0][1]),
el.PNum(elfaces[0][2]),
el.PNum(elfaces[0][3]));
facedir = 0;
if (min2 (face4.I1(), face4.I2()) >
min2 (face4.I4(), face4.I3()))
{ // z - orientation
facedir += 1;
swap (face4.I1(), face4.I4());
swap (face4.I2(), face4.I3());
}
if (min2 (face4.I1(), face4.I4()) >
min2 (face4.I2(), face4.I3()))
{ // x - orientation
facedir += 2;
swap (face4.I1(), face4.I2());
swap (face4.I3(), face4.I4());
}
if (face4.I2() > face4.I4())
{
facedir += 4;
swap (face4.I2(), face4.I4());
}
func(face4, elnr, 0, false, facedir);
/*
INDEX_3 face(face4.I1(), face4.I2(), face4.I3());
if (face.I1() != v) continue;
if (vert2face.Used (face))
facenum = vert2face.Get(face);
else
{
nfa++;
vert2face.Set (face, nfa);
facenum = nfa;
INDEX_4 hface(face4.I1(),face4.I2(),face4.I3(),face4.I4());
face2vert.Append (hface);
}
surffaces[elnr].fnr = facenum-1;
surffaces[elnr].forient = facedir;
}
*/
swap (face.I1(), face.I2());
facedir += 1;
}
if (face.I2() > face.I3())
{
swap (face.I2(), face.I3());
facedir += 2;
}
if (face.I1() > face.I2())
{
swap (face.I1(), face.I2());
facedir += 4;
}
if (face.I1() != v) continue;
func(face, elnr, 0, false, facedir);
/*
if (vert2face.Used (face))
facenum = vert2face.Get(face);
else
{
nfa++;
vert2face.Set (face, nfa);
facenum = nfa;
INDEX_4 hface(face.I1(),face.I2(),face.I3(),0);
face2vert.Append (hface);
}
surffaces[elnr].fnr = facenum-1;
surffaces[elnr].forient = facedir;
*/
}
else
{
// quad
int facenum;
int facedir;
INDEX_4 face4(el.PNum(elfaces[0][0]),
el.PNum(elfaces[0][1]),
el.PNum(elfaces[0][2]),
el.PNum(elfaces[0][3]));
facedir = 0;
if (min2 (face4.I1(), face4.I2()) >
min2 (face4.I4(), face4.I3()))
{ // z - orientation
facedir += 1;
swap (face4.I1(), face4.I4());
swap (face4.I2(), face4.I3());
}
if (min2 (face4.I1(), face4.I4()) >
min2 (face4.I2(), face4.I3()))
{ // x - orientation
facedir += 2;
swap (face4.I1(), face4.I2());
swap (face4.I3(), face4.I4());
}
if (face4.I2() > face4.I4())
{
facedir += 4;
swap (face4.I2(), face4.I4());
}
func(face4, elnr, 0, false, facedir);
/*
INDEX_3 face(face4.I1(), face4.I2(), face4.I3());
if (face.I1() != v) continue;
if (vert2face.Used (face))
facenum = vert2face.Get(face);
else
{
nfa++;
vert2face.Set (face, nfa);
facenum = nfa;
INDEX_4 hface(face4.I1(),face4.I2(),face4.I3(),face4.I4());
face2vert.Append (hface);
}
surffaces[elnr].fnr = facenum-1;
surffaces[elnr].forient = facedir;
}
*/
}
}
}
@ -1019,8 +1020,6 @@ namespace netgen
NgProfiler::StartTimer (timer2c);
face2surfel.SetSize (nfa);
face2surfel = 0;
for (int i = 1; i <= nse; i++)