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0032601: Foundation Classes - Poly_Connect hangs on the given incorrect triangulation

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msv 2021-10-01 22:23:36 +03:00 committed by smoskvin
parent 0f05f21194
commit 41fc11b056
3 changed files with 37 additions and 18 deletions
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40
src/Poly/Poly_Connect.cxx
View File

@ -223,6 +223,8 @@ void Poly_Connect::Initialize(const Standard_Integer N)
mytr = myfirst;
mysense = Standard_True;
mymore = (myfirst != 0);
myPassedTr.Clear();
myPassedTr.Add (mytr);
if (mymore)
{
Standard_Integer i, no[3];
@ -247,15 +249,16 @@ void Poly_Connect::Next()
if (mysense) {
for (i = 0; i < 3; i++) {
if (t[i] != 0) {
myTriangulation->Triangle (t[i]).Get (n[0], n[1], n[2]);
for (j = 0; j < 3; j++) {
if ((n[j] == mynode) && (n[(j+1)%3] == myothernode)) {
mytr = t[i];
myothernode = n[(j+2)%3];
mymore = (mytr != myfirst);
return;
}
}
myTriangulation->Triangle (t[i]).Get (n[0], n[1], n[2]);
for (j = 0; j < 3; j++) {
if ((n[j] == mynode) && (n[(j+1)%3] == myothernode)) {
mytr = t[i];
myothernode = n[(j+2)%3];
mymore = !myPassedTr.Contains (mytr);
myPassedTr.Add (mytr);
return;
}
}
}
}
// sinon, depart vers la gauche.
@ -270,15 +273,16 @@ void Poly_Connect::Next()
if (!mysense) {
for (i = 0; i < 3; i++) {
if (t[i] != 0) {
myTriangulation->Triangle (t[i]).Get (n[0], n[1], n[2]);
for (j = 0; j < 3; j++) {
if ((n[j] == mynode) && (n[(j+2)%3] == myothernode)) {
mytr = t[i];
myothernode = n[(j+1)%3];
mymore = Standard_True;
return;
}
}
myTriangulation->Triangle (t[i]).Get (n[0], n[1], n[2]);
for (j = 0; j < 3; j++) {
if ((n[j] == mynode) && (n[(j+2)%3] == myothernode)) {
mytr = t[i];
myothernode = n[(j+1)%3];
mymore = !myPassedTr.Contains (mytr);
myPassedTr.Add (mytr);
return;
}
}
}
}
}

2
src/Poly/Poly_Connect.hxx
View File

@ -22,6 +22,7 @@
#include <Standard_Handle.hxx>
#include <TColStd_Array1OfInteger.hxx>
#include <TColStd_PackedMapOfInteger.hxx>
#include <Standard_Integer.hxx>
#include <Standard_Boolean.hxx>
class Poly_Triangulation;
@ -159,6 +160,7 @@ private:
Standard_Integer myothernode;
Standard_Boolean mysense;
Standard_Boolean mymore;
TColStd_PackedMapOfInteger myPassedTr;
};

13
tests/bugs/fclasses/bug32601 Normal file
View File

@ -0,0 +1,13 @@
puts "============"
puts "0032601: Foundation Classes - Poly_Connect hangs on the given incorrect triangulation"
puts "============"
puts ""
cpulimit 30
restore [locate_data_file cone_bad_tri.brep] a
vinit Viewer1/View1
vdefaults -autotriang 0
vdisplay a
vfit
vsetdispmode 1