Copyright update 2021

[modules/smesh.git] / src / SMDS / SMDS_Mesh.cxx

diff --git a/src/SMDS/SMDS_Mesh.cxx b/src/SMDS/SMDS_Mesh.cxx
index 25742c55bd3f31e4f94527665bccabecbfe109f0..dab719240b8241316e6fd93649d7a36561d5be64 100644 (file)
--- a/src/SMDS/SMDS_Mesh.cxx
+++ b/src/SMDS/SMDS_Mesh.cxx
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2019  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2021  CEA/DEN, EDF R&D, OPEN CASCADE
 //
 // Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
@@ -68,7 +68,7 @@ int SMDS_Mesh::chunkSize = 1024;
  */
 //================================================================================
 
-int SMDS_Mesh::CheckMemory(const bool doNotRaise) throw (std::bad_alloc)
+int SMDS_Mesh::CheckMemory(const bool doNotRaise)
 {
   return -1;
 #if !defined WIN32 && !defined __APPLE__
@@ -831,6 +831,8 @@ SMDS_Mesh::AddPolygonalFaceWithID (const std::vector<const SMDS_MeshNode*> & nod
 {
   if ( NbFaces() % CHECKMEMORY_INTERVAL == 0 ) CheckMemory();
 
+  if ( nodes.empty() )
+    throw std::invalid_argument("Polygon without nodes is forbidden");
   if ( SMDS_MeshCell* cell = myCellFactory->NewCell( ID ))
   {
     cell->init( SMDSEntity_Polygon, nodes );
@@ -874,6 +876,8 @@ SMDS_Mesh::AddQuadPolygonalFaceWithID (const std::vector<const SMDS_MeshNode*> &
                                        const int                                 ID)
 {
   if ( NbFaces() % CHECKMEMORY_INTERVAL == 0 ) CheckMemory();
+  if ( nodes.empty() )
+    throw std::invalid_argument("Polygon without nodes is forbidden");
   if ( SMDS_MeshCell* cell = myCellFactory->NewCell( ID ))
   {
     cell->init( SMDSEntity_Quad_Polygon, nodes );
@@ -1044,6 +1048,31 @@ bool SMDS_Mesh::RemoveSubMesh(const SMDS_Mesh * aMesh)
   return found;
 }
 
+//=======================================================================
+//function : ChangePolyhedronNodes
+//purpose  :
+//=======================================================================
+
+bool SMDS_Mesh::ChangePolyhedronNodes(const SMDS_MeshElement *                 element,
+                                      const std::vector<const SMDS_MeshNode*>& nodes,
+                                      const std::vector<int>&                  quantities)
+{
+  // keep current nodes of element
+  std::set<const SMDS_MeshNode*> oldNodes( element->begin_nodes(), element->end_nodes() );
+
+  // change nodes
+  bool Ok = false;
+  if ( const SMDS_MeshVolume* vol = DownCast<SMDS_MeshVolume>( element ))
+    Ok = vol->ChangeNodes( nodes, quantities );
+
+  if ( Ok )
+  {
+    setMyModified();
+    updateInverseElements( element, &nodes[0], nodes.size(), oldNodes );
+  }
+  return Ok;
+}
+
 //=======================================================================
 //function : ChangeElementNodes
 //purpose  :
@@ -1062,14 +1091,30 @@ bool SMDS_Mesh::ChangeElementNodes(const SMDS_MeshElement * element,
     Ok = cell->ChangeNodes(nodes, nbnodes);
 
   if ( Ok )
+  {
     setMyModified();
+    updateInverseElements( element, nodes, nbnodes, oldNodes );
+  }
+  return Ok;
+}
 
-  if ( Ok && GetGrid()->HasLinks() ) // update InverseElements
+//=======================================================================
+//function : updateInverseElements
+//purpose  : update InverseElements when element changes node
+//=======================================================================
+
+void SMDS_Mesh::updateInverseElements( const SMDS_MeshElement *        element,
+                                       const SMDS_MeshNode* const*     nodes,
+                                       const int                       nbnodes,
+                                       std::set<const SMDS_MeshNode*>& oldNodes )
+{
+  if ( GetGrid()->HasLinks() ) // update InverseElements
   {
     std::set<const SMDS_MeshNode*>::iterator it;
 
     // AddInverseElement to new nodes
-    for ( int i = 0; i < nbnodes; i++ ) {
+    for ( int i = 0; i < nbnodes; i++ )
+    {
       it = oldNodes.find( nodes[i] );
       if ( it == oldNodes.end() )
         // new node
@@ -1086,7 +1131,6 @@ bool SMDS_Mesh::ChangeElementNodes(const SMDS_MeshElement * element,
     }
   }
 
-  return Ok;
 }
 
 const SMDS_Mesh0DElement* SMDS_Mesh::Find0DElement(const SMDS_MeshNode * node)
@@ -2919,8 +2963,7 @@ void SMDS_Mesh::CompactMesh()
 {
   this->myCompactTime = this->myModifTime;
 
-  bool idsChange = ( myNodeFactory->CompactChangePointers() ||
-                     myCellFactory->CompactChangePointers() );
+  bool idsChange = HasNumerationHoles();
   if ( idsChange )
   {
     std::set< SMDS_ElementHolder* >::iterator holder = myElemHolders.begin();
@@ -2997,6 +3040,13 @@ bool SMDS_Mesh::IsCompacted()
   return ( this->myCompactTime == this->myModifTime );
 }
 
+//! are there holes in elements or nodes numeration
+bool SMDS_Mesh::HasNumerationHoles()
+{
+  return ( myNodeFactory->CompactChangePointers() ||
+           myCellFactory->CompactChangePointers() );
+}
+
 void SMDS_Mesh::setNbShapes( size_t nbShapes )
 {
   myNodeFactory->SetNbShapes( nbShapes );