From 9d1d5827c693a4fc98a6597a4179be1196689c30 Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Mon, 10 Aug 2020 17:02:53 +0300
Subject: [PATCH] #19887 [CEA] Body fitting missing some faces and generates
 not-wanted splitted elements

   fix missing faces
---
 src/StdMeshers/StdMeshers_Cartesian_3D.cxx | 6 +++---
 src/StdMeshers/StdMeshers_Cartesian_3D.hxx | 2 ++
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/StdMeshers/StdMeshers_Cartesian_3D.cxx b/src/StdMeshers/StdMeshers_Cartesian_3D.cxx
index ab129db36..4d47b2144 100644
--- a/src/StdMeshers/StdMeshers_Cartesian_3D.cxx
+++ b/src/StdMeshers/StdMeshers_Cartesian_3D.cxx
@@ -4958,7 +4958,7 @@ namespace
   /*!
    * \brief Return created volumes and volumes that can have free facet because of
    *        skipped small volume. Also create mesh faces on free facets
-   *        of adjacent not-cut volumes id the result volume is too small.
+   *        of adjacent not-cut volumes if the result volume is too small.
    */
   void Hexahedron::getBoundaryElems( vector< const SMDS_MeshElement* > & boundaryElems )
   {
@@ -5005,8 +5005,8 @@ namespace
           if ( !faceID )
             break;
           if ( _grid->IsInternal( faceID ) ||
-               _grid->IsShared( faceID ) ||
-               _grid->IsBoundaryFace( faceID ))
+               _grid->IsShared( faceID ) /*||
+               _grid->IsBoundaryFace( faceID )*/)
             break; // create only if a new face will be used by other 3D algo
         }
 
diff --git a/src/StdMeshers/StdMeshers_Cartesian_3D.hxx b/src/StdMeshers/StdMeshers_Cartesian_3D.hxx
index 593646a74..18797e278 100644
--- a/src/StdMeshers/StdMeshers_Cartesian_3D.hxx
+++ b/src/StdMeshers/StdMeshers_Cartesian_3D.hxx
@@ -35,6 +35,8 @@
  * internal part of a solid shape and polyhedral volumes near the shape boundary.
  *
  * Issue 0021336
+ * Issue #16523: Treatment of internal faces
+ * Issue #17237: Body fitting on sub-mesh
  */
 class StdMeshers_CartesianParameters3D;