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Commit 5ccf36e5 authored by Christophe Geuzaine's avatar Christophe Geuzaine
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add tolerance in detection of circle normals

parent 4d4290a8
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......@@ -304,9 +304,20 @@ void End_Curve(Curve *c)
norme(dir32);
double n[3];
prodve(dir12, dir32, n);
bool isValid = true;
if (norm3(n) < 1.e-15) {
isValid = false;
}
else {
norme(n);
if ((fabs(n[0]) < 1.e-5 && fabs(n[1]) < 1.e-5 && fabs(n[2]) < 1.e-5)) {
isValid = false;
}
}
// use provided plane if unable to compute it from input points...
if(fabs(n[0]) < 1.e-5 && fabs(n[1]) < 1.e-5 && fabs(n[2]) < 1.e-5) {
if(!isValid) {
n[0] = c->Circle.n[0];
n[1] = c->Circle.n[1];
n[2] = c->Circle.n[2];
......
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