Bug #202 - Fatal error during polyline creation

[modules/hydro.git] / src / HYDROData / HYDROData_PolylineXY.cxx

diff --git a/src/HYDROData/HYDROData_PolylineXY.cxx b/src/HYDROData/HYDROData_PolylineXY.cxx
index 6c7e591094f4cfd99e333444f5638dbd655d5160..18dc1e4c663e2bed89a8a823d1af7ee06fb35f1e 100755 (executable)
--- a/src/HYDROData/HYDROData_PolylineXY.cxx
+++ b/src/HYDROData/HYDROData_PolylineXY.cxx
@@ -40,6 +40,8 @@
 
 #define PYTHON_POLYLINEXY_ID "KIND_POLYLINEXY"
 
+const double LOCAL_SELECTION_TOLERANCE = 0.0001;
+
 IMPLEMENT_STANDARD_HANDLE(HYDROData_PolylineXY, HYDROData_IPolyline)
 IMPLEMENT_STANDARD_RTTIEXT(HYDROData_PolylineXY, HYDROData_IPolyline)
 
@@ -138,13 +140,16 @@ TopoDS_Wire HYDROData_PolylineXY::BuildWire( const SectionType&
       gp_Pnt aPnt1( aFirstPoint.X(), aFirstPoint.Y(), aFirstPoint.Z() );
       gp_Pnt aPnt2( aLastPoint.X(), aLastPoint.Y(), aLastPoint.Z() );
 
+      if ( aPnt1.IsEqual( aPnt2, LOCAL_SELECTION_TOLERANCE ) )
+        continue;
+
       TopoDS_Edge anEdge = BRepBuilderAPI_MakeEdge( aPnt1, aPnt2 ).Edge();
       aMakeWire.Add( anEdge );
     }
   }
   else //if( theType == PolylineSection::SECTION_SPLINE )
   {
-    HYDROData_BSplineOperation aBSpline( thePoints, theIsClosed );
+    HYDROData_BSplineOperation aBSpline( thePoints, theIsClosed, LOCAL_SELECTION_TOLERANCE );
 
     TopoDS_Edge anEdge = BRepBuilderAPI_MakeEdge( aBSpline.Curve() ).Edge();
     aMakeWire.Add( anEdge );
@@ -183,7 +188,7 @@ void HYDROData_PolylineXY::BuildPainterPath( QPainterPath&
   }
   else
   {
-    HYDROData_BSplineOperation aBSpline( thePoints, theIsClosed );
+    HYDROData_BSplineOperation aBSpline( thePoints, theIsClosed, LOCAL_SELECTION_TOLERANCE );
     aBSpline.ComputePath( thePath );
   }
 }
@@ -318,7 +323,7 @@ double HYDROData_PolylineXY::GetDistance( const int theSectionIndex,
         aPointToTest = aPoint;
     }
 
-    HYDROData_BSplineOperation aBSpline( aPoints, anIsSectionClosed );
+    HYDROData_BSplineOperation aBSpline( aPoints, anIsSectionClosed, LOCAL_SELECTION_TOLERANCE );
 
     Quantity_Parameter aFirstParam = aBSpline.Curve()->FirstParameter();
     Quantity_Parameter aSecondParam = aBSpline.Curve()->LastParameter();