From 272fe04d70fa64f4fe1a271ef46614f71432502b Mon Sep 17 00:00:00 2001
From: asl <asl@opencascade.com>
Date: Mon, 23 Dec 2013 09:10:58 +0000
Subject: [PATCH] bug #274: now the imported polyline is projected always on
 the plane XY

---
 src/HYDROData/HYDROData_PolylineXY.cxx | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/HYDROData/HYDROData_PolylineXY.cxx b/src/HYDROData/HYDROData_PolylineXY.cxx
index 46e5205e..06ea1bbc 100755
--- a/src/HYDROData/HYDROData_PolylineXY.cxx
+++ b/src/HYDROData/HYDROData_PolylineXY.cxx
@@ -9,6 +9,8 @@
 #include <BRep_Builder.hxx>
 #include <BRepBuilderAPI_MakeEdge.hxx>
 #include <BRepBuilderAPI_MakeWire.hxx>
+#include <BRepBuilderAPI_MakeFace.hxx>
+#include <BRepOffsetAPI_NormalProjection.hxx>
 
 #include <GeomAPI_ProjectPointOnCurve.hxx>
 #include <GeomAdaptor_Curve.hxx>
@@ -21,6 +23,7 @@
 
 #include <gp_Pnt.hxx>
 #include <gp_XY.hxx>
+#include <gp_Pln.hxx>
 
 #include <NCollection_Map.hxx>
 
@@ -45,6 +48,7 @@
 #include <TopExp_Explorer.hxx>
 #include <ShapeAnalysis_FreeBounds.hxx>
 #include <TopoDS.hxx>
+
 #include <QColor>
 #include <QPainterPath>
 #include <QVariant>
@@ -300,7 +304,17 @@ bool HYDROData_PolylineXY::ImportShape( const TopoDS_Shape& theShape )
         aShape = aMakeWire.Wire();
     }
 
-    setPolylineShape( aShape );
+    gp_Pln aPlane( gp_Pnt( 0, 0, 0 ), gp_Dir( 0, 0, 1 ) );
+    BRepBuilderAPI_MakeFace aMakeFace( aPlane );
+    aMakeFace.Build();
+    BRepOffsetAPI_NormalProjection aProj( aMakeFace.Face() );
+    aProj.Add( aShape );
+    aProj.Build();
+    TopoDS_Shape aResult;
+    if( aProj.IsDone() )
+      aResult = aProj.Shape();
+
+    setPolylineShape( aResult );
   }
 
   setEditable( anIsCanBeImported );
-- 
2.39.2