ErrorCode leaf( EntityHandle node ) {
OrientedBox box;
ErrorCode rval = mTool->box( node, box );
if (MB_SUCCESS !=rval) return rval;
EntityHandle h;
rval = box.make_hex( h, mOut );
if (MB_SUCCESS !=rval) return rval;
int i = hash_handle( node );
return mOut->tag_set_data( mTag, &h, 1, &i );
}
// a visit to a node, will create an OrientedBox object for that node, get a hex from that box and tag it with
// an integer tag representing it's depth in the tree, and add it to the list of *hexes* for this tree
ErrorCode OBBHexWriter::visit( EntityHandle node,
int depth,
bool& descend)
{
ErrorCode rval;
//create a new tag for the tree depth of the obb
std::string depth_tag_name = "TREE_DEPTH";
rval = mbi2->tag_get_handle( depth_tag_name.c_str(), 1, MB_TYPE_INTEGER, depth_tag,
MB_TAG_DENSE|MB_TAG_CREAT);
assert( MB_SUCCESS == rval );
if( MB_SUCCESS != rval ) return rval;
OrientedBox box;
rval = tool->box( node, box );
assert(MB_SUCCESS == rval );
if ( MB_SUCCESS != rval ) return rval;
rval = box.make_hex( new_hex, mbi2 );
assert( MB_SUCCESS == rval );
if( MB_SUCCESS != rval ) return rval;
void *ptr = &depth;
rval = mbi2-> tag_set_data( depth_tag, &new_hex, 1, ptr);
assert( MB_SUCCESS == rval );
if( MB_SUCCESS != rval ) return rval;
if(w_tris)
{
//get the triangles contained by this node
std::vector<EntityHandle> tris;
rval = tool->get_moab_instance()->get_entities_by_type( node, MBTRI, tris);
assert(MB_SUCCESS == rval );
if ( MB_SUCCESS != rval ) return rval;
rval = transfer_tri_inst( tool->get_moab_instance(), mbi2, tris);
assert( MB_SUCCESS == rval );
//add the data to the class attributes
tri_map[new_hex] = tris;
}
//add the hex and go to the next tree depth
hexes.push_back(new_hex);
descend = true;
return MB_SUCCESS;
}