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52499: Prismatic mesh is not computed on a prismatic shape
[modules/smesh.git] / src / StdMeshers / StdMeshers_Prism_3D.hxx
index f2929c31acd29546d8ceb27831a04a2ac6989e83..6c7c52fe1bf2c7f2589f4aa4cbc25669f39f750d 100644 (file)
@@ -56,6 +56,10 @@ namespace Prism_3D
   struct TNode;
   struct TPrismTopo;
 }
+namespace StdMeshers_ProjectionUtils
+{
+  class TrsfFinder3D;
+}
 class SMESHDS_SubMesh;
 class TopoDS_Edge;
 
@@ -398,7 +402,42 @@ private:
 
 }; // class StdMeshers_PrismAsBlock
 
-// =============================================
+// ===============================================
+/*!
+ * \brief Tool building internal nodes in a prism
+ */
+struct StdMeshers_Sweeper
+{
+  std::vector< TNodeColumn* > myBndColumns; // boundary nodes
+  std::vector< TNodeColumn* > myIntColumns; // internal nodes
+
+  bool ComputeNodes( SMESH_MesherHelper& helper,
+                     const double        tol );
+
+private:
+
+  gp_XYZ bndPoint( int iP, int z ) const
+  { return SMESH_TNodeXYZ( (*myBndColumns[ iP ])[ z ]); }
+
+  gp_XYZ intPoint( int iP, int z ) const
+  { return SMESH_TNodeXYZ( (*myIntColumns[ iP ])[ z ]); }
+
+  static bool projectIntPoints(const std::vector< gp_XYZ >& fromBndPoints,
+                               const std::vector< gp_XYZ >& toBndPoints,
+                               const std::vector< gp_XYZ >& fromIntPoints,
+                               std::vector< gp_XYZ >&       toIntPoints,
+                               StdMeshers_ProjectionUtils::TrsfFinder3D& trsf,
+                               std::vector< gp_XYZ > *      bndError);
+
+  static void applyBoundaryError(const std::vector< gp_XYZ >& bndPoints,
+                                 const std::vector< gp_XYZ >& bndError1,
+                                 const std::vector< gp_XYZ >& bndError2,
+                                 const double                 r,
+                                 std::vector< gp_XYZ >&       toIntPoints,
+                                 std::vector< double >&       int2BndDist);
+};
+
+// ===============================================
 /*!
  * \brief Algo building prisms on a prism shape
  */
@@ -480,7 +519,13 @@ public:
    *        create triangles there by projection from the bottom
     * \retval bool - a success or not
    */
-  bool projectBottomToTop( const gp_Trsf & bottomToTopTrsf );
+  bool projectBottomToTop( const gp_Trsf & bottomToTopTrsf,
+                           const Prism_3D::TPrismTopo& thePrism );
+
+  /*!
+   * \brief Compute tolerance to pass to StdMeshers_Sweeper
+   */
+  double getSweepTolerance( const Prism_3D::TPrismTopo& thePrism );
 
   /*!
    * \brief Project mesh faces from a source FACE of one prism to