0031131: [REGRESSION] Mesh - location of Wire affects Poly_Polygon3D

Use TopoDS_Edge without location in case of free edges to produce Poly_Polygon3D without offset.

diff --git a/src/IMeshTools/IMeshTools_ShapeExplorer.cxx b/src/IMeshTools/IMeshTools_ShapeExplorer.cxx
index 2dc244a..bc690a4 100644 (file)
--- a/src/IMeshTools/IMeshTools_ShapeExplorer.cxx
+++ b/src/IMeshTools/IMeshTools_ShapeExplorer.cxx
@@ -34,6 +34,7 @@ namespace
   //=======================================================================
   void visitEdges (const Handle (IMeshTools_ShapeVisitor)& theVisitor,
                    const TopoDS_Shape&                     theShape,
+                   const Standard_Boolean                  isResetLocation,
                    const TopAbs_ShapeEnum                  theToFind,
                    const TopAbs_ShapeEnum                  theToAvoid = TopAbs_SHAPE)
   {
@@ -46,7 +47,9 @@ namespace
         continue;
       }
 
-      theVisitor->Visit (aEdge);
+      theVisitor->Visit (isResetLocation ?
+        TopoDS::Edge (aEdge.Located (TopLoc_Location ())) :
+        aEdge);
     }
   }
 }
@@ -77,7 +80,7 @@ void IMeshTools_ShapeExplorer::Accept (
   const Handle (IMeshTools_ShapeVisitor)& theVisitor)
 {
   // Explore all free edges in shape.
-  visitEdges (theVisitor, GetShape (), TopAbs_EDGE, TopAbs_FACE);
+  visitEdges (theVisitor, GetShape (), Standard_True, TopAbs_EDGE, TopAbs_FACE);
 
   // Explore all related to some face edges in shape.
   // make array of faces suitable for processing (excluding faces without surface)
@@ -105,7 +108,7 @@ void IMeshTools_ShapeExplorer::Accept (
     }
 
     // Explore all edges in face.
-    visitEdges (theVisitor, aFace, TopAbs_EDGE);
+    visitEdges (theVisitor, aFace, Standard_False, TopAbs_EDGE);
 
     // Store only forward faces in order to prevent inverse issue.
     theVisitor->Visit (TopoDS::Face (aFace.Oriented (TopAbs_FORWARD)));

diff --git a/tests/bugs/mesh/bug31131 b/tests/bugs/mesh/bug31131
new file mode 100644 (file)
index 0000000..8764dbc
--- /dev/null
+++ b/tests/bugs/mesh/bug31131
@@ -0,0 +1,32 @@
+puts "========="
+puts "0031131: Mesh - location of Wire affects Poly_Polygon3D"
+puts "========="
+puts ""
+
+vertex v1  0  0 0
+vertex v2 10  0 0
+vertex v3 10 10 0
+edge e12 v1 v2
+edge e23 v2 v3
+wire w e12 e23
+tcopy w w0
+copy w w11
+copy w w12
+copy w w13
+ttranslate w12 0 0 10
+ttranslate w13 0 0 20
+compound w11 w12 w13 c
+incmesh c 1
+vclear
+vinit View1
+vdefaults -autoTriang 0
+explode w11 v
+#vdisplay w11 w0 w11_1 w11_2 w11_3
+vdisplay w11 w11_1 w11_2 w11_3
+vfit
+
+bounding w11 -save xmin ymin zmin xmax ymax zmax
+checkpoint Min [list [dval xmin] [dval ymin] [dval zmin]] { -1 -1 -1 } 0.0001
+checkpoint Max [list [dval xmax] [dval ymax] [dval zmax]] { 11 11  1 } 0.0001
+
+checkview -screenshot -3d -path ${imagedir}/${test_image}.png