From: Dzmitry Razmyslovich <razmyslovich@volumegraphics.com>
Date: Sat, 27 Mar 2021 18:38:16 +0000 (+0100)
Subject: 0032253: Fix the incorrect parameters for end points - get parameters directly from... 
X-Git-Url: http://git.dev.opencascade.org/gitweb/?a=commitdiff_plain;h=refs%2Fheads%2FCR0032253;p=occt-copy.git

0032253: Fix the incorrect parameters for end points - get parameters directly from curve instead of relying on the parameter provider
---

diff --git a/src/BRepMesh/BRepMesh_EdgeDiscret.cxx b/src/BRepMesh/BRepMesh_EdgeDiscret.cxx
index 6fe4463fb4..bee0f4283a 100644
--- a/src/BRepMesh/BRepMesh_EdgeDiscret.cxx
+++ b/src/BRepMesh/BRepMesh_EdgeDiscret.cxx
@@ -310,19 +310,17 @@ void BRepMesh_EdgeDiscret::Tessellate2d(
 
     const Handle(Adaptor2d_Curve2d)& aGeomPCurve = aProvider.GetPCurve();
 
-    Standard_Integer aParamIdx, aParamNb;
     if (theUpdateEnds)
     {
-      aParamIdx = 0;
-      aParamNb  = aCurve->ParametersNb();
-    }
-    else
-    {
-      aParamIdx = 1;
-      aParamNb  = aCurve->ParametersNb() - 1;
+      const Standard_Real aParam = aCurve->GetParameter(0);
+
+      gp_Pnt2d aPoint2d;
+      aGeomPCurve->D0(aParam, aPoint2d);
+
+      aPCurve->AddPoint(aPoint2d, aParam);
     }
 
-    for (; aParamIdx < aParamNb; ++aParamIdx)
+    for (Standard_Integer aParamIdx = 1; aParamIdx < aCurve->ParametersNb() - 1; ++aParamIdx)
     {
       const Standard_Real aParam = aProvider.Parameter(aParamIdx, aCurve->GetPoint(aParamIdx));
 
@@ -337,5 +335,15 @@ void BRepMesh_EdgeDiscret::Tessellate2d(
         aPCurve->InsertPoint(aPCurve->ParametersNb() - 1, aPoint2d, aParam);
       }
     }
+
+    if (theUpdateEnds)
+    {
+      const Standard_Real aParam = aCurve->GetParameter(aCurve->ParametersNb() - 1);
+
+      gp_Pnt2d aPoint2d;
+      aGeomPCurve->D0(aParam, aPoint2d);
+
+      aPCurve->AddPoint(aPoint2d, aParam);
+    }
   }
 }