From: gka <gka@opencascade.com>
Date: Mon, 18 Mar 2019 13:06:19 +0000 (+0300)
Subject: 0030591: Exception is raised by command "bopcheck" on the attached shape
X-Git-Url: http://git.dev.opencascade.org/gitweb/?a=commitdiff_plain;h=7cb0c7dfe6fc3945994eba1f7e96a095e67a9880;p=occt-copy.git

0030591: Exception is raised by command "bopcheck" on the attached shape

Protection to avoid exception if number of vertices is equal to 1 was added.
---

diff --git a/src/IntPatch/IntPatch_PrmPrmIntersection.cxx b/src/IntPatch/IntPatch_PrmPrmIntersection.cxx
index 8d07c7b2df..1ad7d4b07a 100644
--- a/src/IntPatch/IntPatch_PrmPrmIntersection.cxx
+++ b/src/IntPatch/IntPatch_PrmPrmIntersection.cxx
@@ -2492,6 +2492,9 @@ void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Sur
 
                             Standard_Boolean removeNext = Standard_False;
                             Standard_Boolean removePrev = Standard_False;
+                            //gka
+                            if(cnbV > 1)
+                            {
                             if( ciV == 1)
                             {
                               Standard_Integer dPar = Abs( VPold.Value(ciV) - VPold.Value(ciV+1));
@@ -2539,6 +2542,7 @@ void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Sur
                                     VPold.SetValue(iPo, VPold.Value(iPo) - 1 );
                               } 
                             }
+                            }
 
                             Standard_Integer pI = ciVpar;