fix parametric coordinates of vertices if curve is not parametrized in [0,1]

Mesh/meshGEdgeExtruded.cpp

@@ -18,8 +18,11 @@ static void extrudeMesh(GVertex *from, GEdge *to)
     for(int k = 0; k < ep->mesh.NbElmLayer[j]; k++) {
       double x = v->x(), y = v->y(), z = v->z();
       ep->Extrude(j, k + 1, x, y, z);
-      if(j != ep->mesh.NbLayer - 1 || k != ep->mesh.NbElmLayer[j] - 1)
-        to->mesh_vertices.push_back(new MEdgeVertex(x, y, z, to, ep->u(j, k + 1)));
+      if(j != ep->mesh.NbLayer - 1 || k != ep->mesh.NbElmLayer[j] - 1){
+        Range<double> r = to->parBounds(0);
+        double t = r.low() + ep->u(j, k + 1) * (r.high() - r.low());
+        to->mesh_vertices.push_back(new MEdgeVertex(x, y, z, to, t));
+      }
     }
   }
 }