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linked listes for building anisotropic clusters

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This commit is contained in:
Joachim Schoeberl 2012-01-12 12:22:41 +00:00
parent da9df250d5
commit a08283bbbc
1 changed files with 37 additions and 23 deletions
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60
libsrc/meshing/clusters.cpp
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@ -18,8 +18,6 @@ namespace netgen
void AnisotropicClusters :: Update()
{
int i, j, k;
const MeshTopology & top = mesh.GetTopology();
bool hasedges = top.HasEdges();
@ -37,15 +35,17 @@ namespace netgen
int nse = mesh.GetNSE();
cluster_reps.SetSize (nv+ned+nfa+ne);
cluster_reps = -1;
Array<int> llist (nv+ned+nfa+ne);
llist = 0;
Array<int> nnums, ednums, fanums;
int changed;
for (i = 1; i <= cluster_reps.Size(); i++)
cluster_reps.Elem(i) = -1;
for (i = 1; i <= ne; i++)
for (int i = 1; i <= ne; i++)
{
const Element & el = mesh.VolumeElement(i);
ELEMENT_TYPE typ = el.GetType();
@ -58,21 +58,21 @@ namespace netgen
int elnfa = fanums.Size();
nnums.SetSize(elnv+elned+elnfa+1);
for (j = 1; j <= elnv; j++)
for (int j = 1; j <= elnv; j++)
nnums.Elem(j) = el.PNum(j);
for (j = 1; j <= elned; j++)
for (int j = 1; j <= elned; j++)
nnums.Elem(elnv+j) = nv+ednums.Elem(j);
for (j = 1; j <= elnfa; j++)
for (int j = 1; j <= elnfa; j++)
nnums.Elem(elnv+elned+j) = nv+ned+fanums.Elem(j);
nnums.Elem(elnv+elned+elnfa+1) = nv+ned+nfa+i;
for (j = 0; j < nnums.Size(); j++)
for (int j = 0; j < nnums.Size(); j++)
cluster_reps.Elem(nnums[j]) = nnums[j];
}
for (i = 1; i <= nse; i++)
for (int i = 1; i <= nse; i++)
{
const Element2d & el = mesh.SurfaceElement(i);
ELEMENT_TYPE typ = el.GetType();
@ -84,13 +84,13 @@ namespace netgen
int elned = ednums.Size();
nnums.SetSize(elnv+elned+1);
for (j = 1; j <= elnv; j++)
for (int j = 1; j <= elnv; j++)
nnums.Elem(j) = el.PNum(j);
for (j = 1; j <= elned; j++)
for (int j = 1; j <= elned; j++)
nnums.Elem(elnv+j) = nv+ednums.Elem(j);
nnums.Elem(elnv+elned+1) = fanum;
for (j = 0; j < nnums.Size(); j++)
for (int j = 0; j < nnums.Size(); j++)
cluster_reps.Elem(nnums[j]) = nnums[j];
}
@ -143,7 +143,7 @@ namespace netgen
cnt++;
changed = 0;
for (i = 1; i <= ne; i++)
for (int i = 1; i <= ne; i++)
{
const Element & el = mesh.VolumeElement(i);
ELEMENT_TYPE typ = el.GetType();
@ -156,11 +156,11 @@ namespace netgen
int elnfa = fanums.Size();
nnums.SetSize(elnv+elned+elnfa+1);
for (j = 1; j <= elnv; j++)
for (int j = 1; j <= elnv; j++)
nnums.Elem(j) = el.PNum(j);
for (j = 1; j <= elned; j++)
for (int j = 1; j <= elned; j++)
nnums.Elem(elnv+j) = nv+ednums.Elem(j);
for (j = 1; j <= elnfa; j++)
for (int j = 1; j <= elnfa; j++)
nnums.Elem(elnv+elned+j) = nv+ned+fanums.Elem(j);
nnums.Elem(elnv+elned+elnfa+1) = nv+ned+nfa+i;
@ -207,20 +207,34 @@ namespace netgen
}
if (clustertab)
for (j = 0; j < nnums.Size(); j++)
for (k = 0; k < j; k++)
for (int j = 0; j < nnums.Size(); j++)
for (int k = 0; k < j; k++)
if (clustertab[j] == clustertab[k])
{
int jj = nnums[j];
int kk = nnums[k];
if (cluster_reps.Get(kk) < cluster_reps.Get(jj))
swap (jj,kk);
if (cluster_reps.Get(jj) < cluster_reps.Get(kk))
{
/*
cluster_reps.Elem(kk) = cluster_reps.Get(jj);
changed = 1;
}
else if (cluster_reps.Get(kk) < cluster_reps.Get(jj))
{
cluster_reps.Elem(jj) = cluster_reps.Get(kk);
*/
int rep = cluster_reps.Get(jj);
int next = kk;
do
{
int cur = next;
next = llist.Elem(next);
cluster_reps.Elem(cur) = rep;
llist.Elem(cur) = llist.Elem(rep);
llist.Elem(rep) = cur;
}
while (next);
changed = 1;
}
}