0022782: [CEA 1315] GetFirstVertex does not return the edge's starting point

[modules/geom.git] / src / GEOMImpl / GEOMImpl_PointDriver.cxx

diff --git a/src/GEOMImpl/GEOMImpl_PointDriver.cxx b/src/GEOMImpl/GEOMImpl_PointDriver.cxx
index 03edfc4c1bef3c6f2a85dc1724d017b8cbc41a0e..f80ba42b986d9cf384d24c537f849386a3c4b76c 100644 (file)
--- a/src/GEOMImpl/GEOMImpl_PointDriver.cxx
+++ b/src/GEOMImpl/GEOMImpl_PointDriver.cxx
@@ -145,7 +145,14 @@ Standard_Integer GEOMImpl_PointDriver::Execute(TFunction_Logbook& log) const
     Standard_Real aFP, aLP, aP;
     Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(aRefShape), aFP, aLP);
     if ( !aCurve.IsNull() ) {
-      aP = aFP + (aLP - aFP) * aPI.GetParameter();
+      if (aPI.GetTakeOrientationIntoAccount() &&
+          aRefShape.Orientation() == TopAbs_REVERSED) {
+        aP = 1. - aPI.GetParameter();
+      } else {
+        aP = aPI.GetParameter();
+      }
+
+      aP = aFP + (aLP - aFP) * aP;
       aPnt = aCurve->Value(aP);
     }
     else {
@@ -393,6 +400,7 @@ GetCreationInformation(std::string&             theOperationName,
   case POINT_CURVE_PAR:
     AddParam( theParams, "Edge", aCI.GetCurve() );
     AddParam( theParams, "Parameter", aCI.GetParameter() );
+    AddParam( theParams, "Use Orientation", aCI.GetTakeOrientationIntoAccount() );
     break;
   case POINT_CURVE_COORD:
     AddParam( theParams, "X", aCI.GetX() );