// sets the entity m from which the mesh will be copied
void GEntity::setMeshMaster(int m_signed)
{
if(m_signed == tag()){ _meshMaster = m_signed; return; }
GEntity *gMaster = 0;
int m = abs(m_signed);
switch(dim()){
case 0 : gMaster = model()->getVertexByTag(m); break;
case 1 : gMaster = model()->getEdgeByTag(m); break;
case 2 : gMaster = model()->getFaceByTag(m); break;
case 3 : gMaster = model()->getRegionByTag(m); break;
}
if (!gMaster){
Msg::Error("Model entity %d of dimension %d cannot be the mesh master of entity %d",
m, dim(), tag());
return;
}
int masterOfMaster = gMaster->meshMaster();
if (masterOfMaster == gMaster->tag()){
_meshMaster = m_signed;
}
else {
setMeshMaster ( masterOfMaster * ((m_signed > 0) ? 1 : -1));
}
}
// gets the entity from which the mesh will be copied
int GEntity::meshMaster() const
{
if (_meshMaster == tag()) return tag();
GEntity *gMaster = 0;
switch(dim()){
case 0 : gMaster = model()->getVertexByTag(abs(_meshMaster)); break;
case 1 : gMaster = model()->getEdgeByTag(abs(_meshMaster)); break;
case 2 : gMaster = model()->getFaceByTag(abs(_meshMaster)); break;
case 3 : gMaster = model()->getRegionByTag(abs(_meshMaster)); break;
}
if (!gMaster){
Msg::Error("Could not find mesh master entity %d",_meshMaster);
return tag();
}
int masterOfMaster = gMaster->meshMaster();
if (masterOfMaster == gMaster->tag()){
return _meshMaster ;
}
else {
return gMaster->meshMaster() * ((_meshMaster > 0) ? 1 : -1);
}
}