From: kgv <kgv@opencascade.com>
Date: Wed, 24 Mar 2021 07:37:29 +0000 (+0300)
Subject: 0032236: Modeling Algorithms - Exception on calculation optimal bounding box
X-Git-Url: http://git.dev.opencascade.org/gitweb/?a=commitdiff_plain;h=25d0840a9c493f68c53513b33bd0c550775e0138;p=occt-copy.git

0032236: Modeling Algorithms - Exception on calculation optimal bounding box

BRepBndLib - added VOID box checks to AdjustFaceBox() method.
---

diff --git a/src/BRepBndLib/BRepBndLib.cxx b/src/BRepBndLib/BRepBndLib.cxx
index 5d015da737..a225c55540 100644
--- a/src/BRepBndLib/BRepBndLib.cxx
+++ b/src/BRepBndLib/BRepBndLib.cxx
@@ -306,9 +306,13 @@ void BRepBndLib::AddOptimal(const TopoDS_Shape& S, Bnd_Box& B,
                           Tol);
           }
         }
-        Standard_Real xmin, ymin, zmin, xmax, ymax, zmax;
-        aLocBox.Get(xmin, ymin, zmin, xmax, ymax, zmax);
-        B.Update(xmin, ymin, zmin, xmax, ymax, zmax);
+
+        if (!aLocBox.IsVoid())
+        {
+          Standard_Real xmin, ymin, zmin, xmax, ymax, zmax;
+          aLocBox.Get(xmin, ymin, zmin, xmax, ymax, zmax);
+          B.Update(xmin, ymin, zmin, xmax, ymax, zmax);
+        }
       }
     }
   }
@@ -703,6 +707,16 @@ void AdjustFaceBox(const BRepAdaptor_Surface& BS,
                    Bnd_Box& FaceBox,
                    const Bnd_Box& EdgeBox, const Standard_Real Tol)
 {
+  if (EdgeBox.IsVoid())
+  {
+    return;
+  }
+  if (FaceBox.IsVoid())
+  {
+    FaceBox = EdgeBox;
+    return;
+  }
+
   Standard_Real fxmin, fymin, fzmin, fxmax, fymax, fzmax;
   Standard_Real exmin, eymin, ezmin, exmax, eymax, ezmax;
   //