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==UV Editor==

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Small ABF stability improvement, do some angle clamping during iteration,
fixes a particular model that went wrong.
This commit is contained in:
Brecht Van Lommel
2006-02-15 22:33:55 +00:00
parent 9fedbd6c51
commit 32a9c7b493
1 changed files with 10 additions and 0 deletions
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10
source/blender/src/parametrizer.c
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@@ -2217,6 +2217,7 @@ static float p_abf_compute_gradient(PAbfSystem *sys, PChart *chart)
static PBool p_abf_matrix_invert(PAbfSystem *sys, PChart *chart)
{
PFace *f;
PEdge *e;
int i, j, ninterior = sys->ninterior, nvar = 2*sys->ninterior;
PBool success;
@@ -2408,6 +2409,15 @@ static PBool p_abf_matrix_invert(PAbfSystem *sys, PChart *chart)
dalpha = (sys->bAlpha[e3->u.id] - dlambda1);
sys->alpha[e3->u.id] += dalpha/sys->weight[e3->u.id] - pre[2];
/* clamp */
e = f->edge;
do {
if (sys->alpha[e->u.id] > M_PI)
sys->alpha[e->u.id] = M_PI;
else if (sys->alpha[e->u.id] < 0.0f)
sys->alpha[e->u.id] = 0.0f;
} while (e != f->edge);
}
for (i = 0; i < ninterior; i++) {