WriteCCMIO.cpp

Go to the documentation of this file.

/*
 * CCMIO file structure
 *
 * Root
 * State(kCCMIOState)
 * Processor*
 * VerticesID
 * TopologyID
 * InitialID
 * SolutionID
 * Vertices*
 * ->WriteVerticesx, WriteMap
 * Topology*
 * Boundary faces*(kCCMIOBoundaryFaces)
 * ->WriteFaces, WriteFaceCells, WriteMap
 * Internal faces(kCCMIOInternalFaces)
 * Cells (kCCMIOCells)
 * ->WriteCells (mapID), WriteMap, WriteCells
 * Solution
 * Phase
 * Field
 * FieldData
 * Problem(kCCMIOProblemDescription)
 * CellType* (kCCMIOCellType)
 * Index (GetEntityIndex), MaterialId(WriteOpti), MaterialType(WriteOptstr),
 * PorosityId(WriteOpti), SpinId(WriteOpti), GroupId(WriteOpti)
 *
 * MaterialType (CCMIOWriteOptstr in readexample)
 * constants (see readexample)
 * lagrangian data (CCMIOWriteLagrangianData)
 * vertices label (CCMIOEntityDescription)
 * restart info: char solver[], iterations, time, char timeUnits[], angle
 * (CCMIOWriteRestartInfo, kCCMIORestartData), reference data?
 * phase:
 * field: char name[], dims, CCMIODataType datatype, char units[]
 * dims = kCCMIOScalar (CCMIOWriteFieldDataf),
 * kCCMIOVector (CCMIOWriteMultiDimensionalFieldData),
 * kCCMIOTensor
 * MonitoringSets: num, name (CellSet, VertexSet, BoundarySet, BlockSet, SplineSet, CoupleSet)
 * CCMIOGetProstarSet, CCMIOWriteOpt1i,
 */
 
#ifdef WIN32
#ifdef _DEBUG
// turn off warnings that say they debugging identifier has been truncated
// this warning comes up when using some STL containers
#pragma warning( disable : 4786 )
#endif
#endif
 
#include "WriteCCMIO.hpp"
#include "ccmio.h"
#include "ccmioutility.h"
#include "ccmiocore.h"
#include <utility>
#include <algorithm>
#include <ctime>
#include <string>
#include <vector>
#include <cstdio>
#include <iostream>
#include <algorithm>
#include <sstream>
 
#include "moab/Interface.hpp"
#include "moab/Range.hpp"
#include "moab/CN.hpp"
#include "moab/Skinner.hpp"
#include <cassert>
#include "Internals.hpp"
#include "ExoIIUtil.hpp"
#include "MBTagConventions.hpp"
#ifdef MOAB_HAVE_MPI
#include "MBParallelConventions.h"
#endif
#include "moab/WriteUtilIface.hpp"
 
namespace moab
{
 
static char const kStateName[] = "default";
 
/*
 static const int ccm_types[] = {
 1, // MBVERTEX
 2, // MBEDGE
 -1, // MBTRI
 -1, // MBQUAD
 -1, // MBPOLYGON
 13, // MBTET
 14, // MBPYRAMID
 12, // MBPRISM
 -1, // MBKNIFE
 11, // MBHEX
 255 // MBPOLYHEDRON
 };
*/
 
#define CHK_SET_CCMERR( ccm_err_code, ccm_err_msg ) \
 { \
 if( kCCMIONoErr != ( ccm_err_code ) ) MB_SET_ERR( MB_FAILURE, ccm_err_msg ); \
 }
 
WriterIface* WriteCCMIO::factory( Interface* iface )
{
 return new WriteCCMIO( iface );
}
 
WriteCCMIO::WriteCCMIO( Interface* impl )
 : mbImpl( impl ), mCurrentMeshHandle( 0 ), mPartitionSetTag( 0 ), mNameTag( 0 ), mMaterialIdTag( 0 ),
 mMaterialTypeTag( 0 ), mRadiationTag( 0 ), mPorosityIdTag( 0 ), mSpinIdTag( 0 ), mGroupIdTag( 0 ),
 mColorIdxTag( 0 ), mProcessorIdTag( 0 ), mLightMaterialTag( 0 ), mFreeSurfaceMaterialTag( 0 ), mThicknessTag( 0 ),
 mProstarRegionNumberTag( 0 ), mBoundaryTypeTag( 0 ), mCreatingProgramTag( 0 ), mDimension( 0 ),
 mWholeMesh( false )
{
 assert( impl != NULL );
 
 impl->query_interface( mWriteIface );
 
 // Initialize in case tag_get_handle fails below
 //! Get and cache predefined tag handles
 int negone = -1;
 impl->tag_get_handle( MATERIAL_SET_TAG_NAME, 1, MB_TYPE_INTEGER, mMaterialSetTag, MB_TAG_SPARSE | MB_TAG_CREAT,
 &negone );
 
 impl->tag_get_handle( DIRICHLET_SET_TAG_NAME, 1, MB_TYPE_INTEGER, mDirichletSetTag, MB_TAG_SPARSE | MB_TAG_CREAT,
 &negone );
 
 impl->tag_get_handle( NEUMANN_SET_TAG_NAME, 1, MB_TYPE_INTEGER, mNeumannSetTag, MB_TAG_SPARSE | MB_TAG_CREAT,
 &negone );
 
 mGlobalIdTag = impl->globalId_tag();
 
#ifdef MOAB_HAVE_MPI
 impl->tag_get_handle( PARALLEL_PARTITION_TAG_NAME, 1, MB_TYPE_INTEGER, mPartitionSetTag, MB_TAG_SPARSE );
 // No need to check result, if it's not there, we don't create one
#endif
 
 int dum_val_array[] = { -1, -1, -1, -1 };
 impl->tag_get_handle( HAS_MID_NODES_TAG_NAME, 4, MB_TYPE_INTEGER, mHasMidNodesTag, MB_TAG_SPARSE | MB_TAG_CREAT,
 dum_val_array );
 
 impl->tag_get_handle( "__WriteCCMIO element mark", 1, MB_TYPE_BIT, mEntityMark, MB_TAG_CREAT );
 
 // Don't need to check return of following, since it doesn't matter if there isn't one
 mbImpl->tag_get_handle( NAME_TAG_NAME, NAME_TAG_SIZE, MB_TYPE_OPAQUE, mNameTag );
}
 
WriteCCMIO::~WriteCCMIO()
{
 mbImpl->release_interface( mWriteIface );
 mbImpl->tag_delete( mEntityMark );
}
 
ErrorCode WriteCCMIO::write_file( const char* file_name,
 const bool overwrite,
 const FileOptions&,
 const EntityHandle* ent_handles,
 const int num_sets,
 const std::vector< std::string >& /* qa_list */,
 const Tag* /* tag_list */,
 int /* num_tags */,
 int /* export_dimension */ )
{
 assert( 0 != mMaterialSetTag && 0 != mNeumannSetTag && 0 != mDirichletSetTag );
 
 ErrorCode result;
 
 // Check overwrite flag and file existence
 if( !overwrite )
 {
 FILE* file = fopen( file_name, "r" );
 if( file )
 {
 fclose( file );
 MB_SET_ERR( MB_FILE_WRITE_ERROR, "File exists but overwrite set to false" );
 }
 }
 
 mDimension = 3;
 
 std::vector< EntityHandle > matsets, dirsets, neusets, partsets;
 
 // Separate into material, dirichlet, neumann, partition sets
 result = get_sets( ent_handles, num_sets, matsets, dirsets, neusets, partsets );MB_CHK_SET_ERR( result, "Failed to get material/etc. sets" );
 
 // If entity handles were input but didn't contain matsets, return error
 if( ent_handles && matsets.empty() )
 {
 MB_SET_ERR( MB_FILE_WRITE_ERROR, "Sets input to write but no material sets found" );
 }
 
 // Otherwise, if no matsets, use root set
 if( matsets.empty() ) matsets.push_back( 0 );
 
 std::vector< MaterialSetData > matset_info;
 Range all_verts;
 result = gather_matset_info( matsets, matset_info, all_verts );MB_CHK_SET_ERR( result, "gathering matset info failed" );
 
 // Assign vertex gids
 result = mWriteIface->assign_ids( all_verts, mGlobalIdTag, 1 );MB_CHK_SET_ERR( result, "Failed to assign vertex global ids" );
 
 // Some CCMIO descriptors
 CCMIOID rootID, topologyID, stateID, problemID, verticesID, processorID;
 
 // Try to open the file and establish state
 result = open_file( file_name, overwrite, rootID );MB_CHK_SET_ERR( result, "Couldn't open file or create state" );
 
 result = create_ccmio_structure( rootID, stateID, processorID );MB_CHK_SET_ERR( result, "Problem creating CCMIO file structure" );
 
 result = write_nodes( rootID, all_verts, mDimension, verticesID );MB_CHK_SET_ERR( result, "write_nodes failed" );
 
 std::vector< NeumannSetData > neuset_info;
 result = gather_neuset_info( neusets, neuset_info );MB_CHK_SET_ERR( result, "Failed to get neumann set info" );
 
 result = write_cells_and_faces( rootID, matset_info, neuset_info, all_verts, topologyID );MB_CHK_SET_ERR( result, "write_cells_and_faces failed" );
 
 result = write_problem_description( rootID, stateID, problemID, processorID, matset_info, neuset_info );MB_CHK_SET_ERR( result, "write_problem_description failed" );
 
 result = write_solution_data();MB_CHK_SET_ERR( result, "Trouble writing solution data" );
 
 result = write_processor( processorID, verticesID, topologyID );MB_CHK_SET_ERR( result, "Trouble writing processor" );
 
 result = close_and_compress( file_name, rootID );MB_CHK_SET_ERR( result, "Close or compress failed" );
 
 return MB_SUCCESS;
}
 
ErrorCode WriteCCMIO::write_solution_data()
{
 // For now, no solution (tag) data
 return MB_SUCCESS;
}
 
ErrorCode WriteCCMIO::write_processor( CCMIOID processorID, CCMIOID verticesID, CCMIOID topologyID )
{
 CCMIOError error = kCCMIONoErr;
 
 // Now we have the mesh (vertices and topology) and the post data written.
 // Since we now have their IDs, we can write out the processor information.
 CCMIOWriteProcessor( &error, processorID, NULL, &verticesID, NULL, &topologyID, NULL, NULL, NULL, NULL );
 CHK_SET_CCMERR( error, "Problem writing CCMIO processor" );
 
 return MB_SUCCESS;
}
 
ErrorCode WriteCCMIO::create_ccmio_structure( CCMIOID rootID, CCMIOID& stateID, CCMIOID& processorID )
{
 // Create problem state and other CCMIO nodes under it
 CCMIOError error = kCCMIONoErr;
 
 // Create a new state (or re-use an existing one).
 if( CCMIOGetState( NULL, rootID, kStateName, NULL, &stateID ) != kCCMIONoErr )
 {
 CCMIONewState( &error, rootID, kStateName, NULL, NULL, &stateID );
 CHK_SET_CCMERR( error, "Trouble creating state" );
 }
 
 // Create or get an old processor for this state
 CCMIOSize_t i = CCMIOSIZEC( 0 );
 if( CCMIONextEntity( NULL, stateID, kCCMIOProcessor, &i, &processorID ) != kCCMIONoErr )
 {
 CCMIONewEntity( &error, stateID, kCCMIOProcessor, NULL, &processorID );
 CHK_SET_CCMERR( error, "Trouble creating processor node" );
 }
 // Get rid of any data that may be in this processor (if the state was
 // not new).
 else
 {
 CCMIOClearProcessor( &error, stateID, processorID, TRUE, TRUE, TRUE, TRUE, TRUE );
 CHK_SET_CCMERR( error, "Trouble clearing processor data" );
 }
 
 /*
 // for (; i < CCMIOSIZEC(partsets.size()); i++) {
 CCMIOSize_t id = CCMIOSIZEC(0);
 if (CCMIONextEntity(NULL, stateID, kCCMIOProcessor, &id, &processorID) != kCCMIONoErr)
 CCMIONewEntity(&error, stateID, kCCMIOProcessor, NULL, &processorID);
 CHKCCMERR(error, "Trouble creating processor node.");
 */
 return MB_SUCCESS;
}
 
ErrorCode WriteCCMIO::close_and_compress( const char*, CCMIOID rootID )
{
 CCMIOError error = kCCMIONoErr;
 CCMIOCloseFile( &error, rootID );
 CHK_SET_CCMERR( error, "File close failed" );
 
 // The CCMIO library uses ADF to store the actual data. Unfortunately,
 // ADF leaks disk space; deleting a node does not recover all the disk
 // space. Now that everything is successfully written it might be useful
 // to call CCMIOCompress() here to ensure that the file is as small as
 // possible. Please see the Core API documentation for caveats on its
 // usage.
 // CCMIOCompress(&error, const_cast<char*>(filename));CHK_SET_CCMERR(error, "Error compressing
 // file");
 
 return MB_SUCCESS;
}
 
ErrorCode WriteCCMIO::open_file( const char* filename, bool, CCMIOID& rootID )
{
 CCMIOError error = kCCMIONoErr;
 CCMIOOpenFile( &error, filename, kCCMIOWrite, &rootID );
 CHK_SET_CCMERR( error, "Cannot open file" );
 
 return MB_SUCCESS;
}
 
ErrorCode WriteCCMIO::get_sets( const EntityHandle* ent_handles,
 int num_sets,
 std::vector< EntityHandle >& matsets,
 std::vector< EntityHandle >& dirsets,
 std::vector< EntityHandle >& neusets,
 std::vector< EntityHandle >& partsets )
{
 if( num_sets == 0 )
 {
 // Default to all defined sets
 Range this_range;
 mbImpl->get_entities_by_type_and_tag( 0, MBENTITYSET, &mMaterialSetTag, NULL, 1, this_range );
 std::copy( this_range.begin(), this_range.end(), std::back_inserter( matsets ) );
 this_range.clear();
 mbImpl->get_entities_by_type_and_tag( 0, MBENTITYSET, &mDirichletSetTag, NULL, 1, this_range );
 std::copy( this_range.begin(), this_range.end(), std::back_inserter( dirsets ) );
 this_range.clear();
 mbImpl->get_entities_by_type_and_tag( 0, MBENTITYSET, &mNeumannSetTag, NULL, 1, this_range );
 std::copy( this_range.begin(), this_range.end(), std::back_inserter( neusets ) );
 if( mPartitionSetTag )
 {
 this_range.clear();
 mbImpl->get_entities_by_type_and_tag( 0, MBENTITYSET, &mPartitionSetTag, NULL, 1, this_range );
 std::copy( this_range.begin(), this_range.end(), std::back_inserter( partsets ) );
 }
 }
 else
 {
 int dummy;
 for( const EntityHandle* iter = ent_handles; iter < ent_handles + num_sets; ++iter )
 {
 if( MB_SUCCESS == mbImpl->tag_get_data( mMaterialSetTag, &( *iter ), 1, &dummy ) )
 matsets.push_back( *iter );
 else if( MB_SUCCESS == mbImpl->tag_get_data( mDirichletSetTag, &( *iter ), 1, &dummy ) )
 dirsets.push_back( *iter );
 else if( MB_SUCCESS == mbImpl->tag_get_data( mNeumannSetTag, &( *iter ), 1, &dummy ) )
 neusets.push_back( *iter );
 else if( mPartitionSetTag && MB_SUCCESS == mbImpl->tag_get_data( mPartitionSetTag, &( *iter ), 1, &dummy ) )
 partsets.push_back( *iter );
 }
 }
 
 return MB_SUCCESS;
}
 
ErrorCode WriteCCMIO::write_problem_description( CCMIOID rootID,
 CCMIOID stateID,
 CCMIOID& problemID,
 CCMIOID processorID,
 std::vector< WriteCCMIO::MaterialSetData >& matset_data,
 std::vector< WriteCCMIO::NeumannSetData >& neuset_data )
{
 // Write out a dummy problem description. If we happen to know that
 // there already is a problem description previously recorded that
 // is valid we could skip this step.
 CCMIOID id;
 CCMIOError error = kCCMIONoErr;
 ErrorCode rval;
 const EntityHandle mesh = 0;
 
 bool root_tagged = false, other_set_tagged = false;
 Tag simname;
 Range dum_sets;
 rval = mbImpl->tag_get_handle( "Title", 0, MB_TYPE_OPAQUE, simname, MB_TAG_ANY );
 if( MB_SUCCESS == rval )
 {
 int tag_size;
 rval = mbImpl->tag_get_bytes( simname, tag_size );
 if( MB_SUCCESS == rval )
 {
 std::vector< char > title_tag( tag_size + 1 );
 rval = mbImpl->get_entities_by_type_and_tag( 0, MBENTITYSET, &simname, NULL, 1, dum_sets );
 if( MB_SUCCESS == rval && !dum_sets.empty() )
 {
 rval = mbImpl->tag_get_data( simname, &( *dum_sets.begin() ), 1, &title_tag[0] );MB_CHK_SET_ERR( rval, "Problem getting simulation name tag" );
 other_set_tagged = true;
 }
 else if( MB_SUCCESS == rval )
 {
 // Check to see if interface was tagged
 rval = mbImpl->tag_get_data( simname, &mesh, 1, &title_tag[0] );
 if( MB_SUCCESS == rval )
 root_tagged = true;
 else
 rval = MB_SUCCESS;
 }
 *title_tag.rbegin() = '\0';
 if( root_tagged || other_set_tagged )
 {
 CCMIONode rootNode;
 if( kCCMIONoErr == CCMIOGetEntityNode( &error, rootID, &rootNode ) )
 {
 CCMIOSetTitle( &error, rootNode, &title_tag[0] );
 CHK_SET_CCMERR( error, "Trouble setting title" );
 }
 }
 }
 }
 
 rval = mbImpl->tag_get_handle( "CreatingProgram", 0, MB_TYPE_OPAQUE, mCreatingProgramTag, MB_TAG_ANY );
 if( MB_SUCCESS == rval )
 {
 int tag_size;
 rval = mbImpl->tag_get_bytes( mCreatingProgramTag, tag_size );
 if( MB_SUCCESS == rval )
 {
 std::vector< char > cp_tag( tag_size + 1 );
 rval = mbImpl->get_entities_by_type_and_tag( 0, MBENTITYSET, &mCreatingProgramTag, NULL, 1, dum_sets );
 if( MB_SUCCESS == rval && !dum_sets.empty() )
 {
 rval = mbImpl->tag_get_data( mCreatingProgramTag, &( *dum_sets.begin() ), 1, &cp_tag[0] );MB_CHK_SET_ERR( rval, "Problem getting creating program tag" );
 other_set_tagged = true;
 }
 else if( MB_SUCCESS == rval )
 {
 // Check to see if interface was tagged
 rval = mbImpl->tag_get_data( mCreatingProgramTag, &mesh, 1, &cp_tag[0] );
 if( MB_SUCCESS == rval )
 root_tagged = true;
 else
 rval = MB_SUCCESS;
 }
 *cp_tag.rbegin() = '\0';
 if( root_tagged || other_set_tagged )
 {
 CCMIONode rootNode;
 if( kCCMIONoErr == CCMIOGetEntityNode( &error, rootID, &rootNode ) )
 {
 CCMIOWriteOptstr( &error, processorID, "CreatingProgram", &cp_tag[0] );
 CHK_SET_CCMERR( error, "Trouble setting creating program" );
 }
 }
 }
 }
 
 CCMIONewEntity( &error, rootID, kCCMIOProblemDescription, NULL, &problemID );
 CHK_SET_CCMERR( error, "Trouble creating problem node" );
 
 // Write material types and other info
 for( unsigned int i = 0; i < matset_data.size(); i++ )
 {
 if( !matset_data[i].setName.empty() )
 {
 CCMIONewIndexedEntity( &error, problemID, kCCMIOCellType, matset_data[i].matsetId,
 matset_data[i].setName.c_str(), &id );
 CHK_SET_CCMERR( error, "Failure creating celltype node" );
 
 CCMIOWriteOptstr( &error, id, "MaterialType", matset_data[i].setName.c_str() );
 CHK_SET_CCMERR( error, "Error assigning material name" );
 }
 else
 {
 char dum_name[NAME_TAG_SIZE];
 std::ostringstream os;
 std::string mat_name = "Material", temp_str;
 os << mat_name << ( i + 1 );
 temp_str = os.str();
 strcpy( dum_name, temp_str.c_str() );
 CCMIONewIndexedEntity( &error, problemID, kCCMIOCellType, matset_data[i].matsetId, dum_name, &id );
 CHK_SET_CCMERR( error, "Failure creating celltype node" );
 
 CCMIOWriteOptstr( &error, id, "MaterialType", dum_name );
 CHK_SET_CCMERR( error, "Error assigning material name" );
 
 os.str( "" );
 }
 rval = write_int_option( "MaterialId", matset_data[i].setHandle, mMaterialIdTag, id );MB_CHK_SET_ERR( rval, "Trouble writing MaterialId option" );
 
 rval = write_int_option( "Radiation", matset_data[i].setHandle, mRadiationTag, id );MB_CHK_SET_ERR( rval, "Trouble writing Radiation option" );
 
 rval = write_int_option( "PorosityId", matset_data[i].setHandle, mPorosityIdTag, id );MB_CHK_SET_ERR( rval, "Trouble writing PorosityId option" );
 
 rval = write_int_option( "SpinId", matset_data[i].setHandle, mSpinIdTag, id );MB_CHK_SET_ERR( rval, "Trouble writing SpinId option" );
 
 rval = write_int_option( "GroupId", matset_data[i].setHandle, mGroupIdTag, id );MB_CHK_SET_ERR( rval, "Trouble writing GroupId option" );
 
 rval = write_int_option( "ColorIdx", matset_data[i].setHandle, mColorIdxTag, id );MB_CHK_SET_ERR( rval, "Trouble writing ColorIdx option" );
 
 rval = write_int_option( "ProcessorId", matset_data[i].setHandle, mProcessorIdTag, id );MB_CHK_SET_ERR( rval, "Trouble writing ProcessorId option" );
 
 rval = write_int_option( "LightMaterial", matset_data[i].setHandle, mLightMaterialTag, id );MB_CHK_SET_ERR( rval, "Trouble writing LightMaterial option." );
 
 rval = write_int_option( "FreeSurfaceMaterial", matset_data[i].setHandle, mFreeSurfaceMaterialTag, id );MB_CHK_SET_ERR( rval, "Trouble writing FreeSurfaceMaterial option" );
 
 rval = write_dbl_option( "Thickness", matset_data[i].setHandle, mThicknessTag, id );MB_CHK_SET_ERR( rval, "Trouble writing Thickness option" );
 
 rval = write_str_option( "MaterialType", matset_data[i].setHandle, mMaterialTypeTag, id );MB_CHK_SET_ERR( rval, "Trouble writing MaterialType option" );
 }
 
 // Write neumann set info
 for( unsigned int i = 0; i < neuset_data.size(); i++ )
 {
 // Use the label to encode the id
 std::ostringstream dum_id;
 dum_id << neuset_data[i].neusetId;
 CCMIONewIndexedEntity( &error, problemID, kCCMIOBoundaryRegion, neuset_data[i].neusetId, dum_id.str().c_str(),
 &id );
 CHK_SET_CCMERR( error, "Failure creating BoundaryRegion node" );
 
 rval = write_str_option( "BoundaryName", neuset_data[i].setHandle, mNameTag, id );MB_CHK_SET_ERR( rval, "Trouble writing boundary type number" );
 
 rval = write_str_option( "BoundaryType", neuset_data[i].setHandle, mBoundaryTypeTag, id );MB_CHK_SET_ERR( rval, "Trouble writing boundary type number" );
 
 rval = write_int_option( "ProstarRegionNumber", neuset_data[i].setHandle, mProstarRegionNumberTag, id );MB_CHK_SET_ERR( rval, "Trouble writing prostar region number" );
 }
 
 CCMIOWriteState( &error, stateID, problemID, "Example state" );
 CHK_SET_CCMERR( error, "Failure writing problem state" );
 
 // Get cell types; reuse cell ids array
 // for (i = 0, rit = all_elems.begin(); i < num_elems; i++, ++rit) {
 // egids[i] = ccm_types[mbImpl->type_from_handle(*rit)];
 // assert(-1 != egids[i]);
 // }
 
 return MB_SUCCESS;
}
 
ErrorCode WriteCCMIO::write_int_option( const char* opt_name, EntityHandle seth, Tag& tag, CCMIOID& node )
{
 ErrorCode rval;
 
 if( !tag )
 {
 rval = mbImpl->tag_get_handle( opt_name, 1, MB_TYPE_INTEGER, tag );
 // Return success since that just means we don't have to write this option
 if( MB_SUCCESS != rval ) return MB_SUCCESS;
 }
 
 int dum_val;
 rval = mbImpl->tag_get_data( tag, &seth, 1, &dum_val );
 // Return success since that just means we don't have to write this option
 if( MB_SUCCESS != rval ) return MB_SUCCESS;
 
 CCMIOError error = kCCMIONoErr;
 CCMIOWriteOpti( &error, node, opt_name, dum_val );
 CHK_SET_CCMERR( error, "Trouble writing int option" );
 
 return MB_SUCCESS;
}
 
ErrorCode WriteCCMIO::write_dbl_option( const char* opt_name, EntityHandle seth, Tag& tag, CCMIOID& node )
{
 ErrorCode rval;
 
 if( !tag )
 {
 rval = mbImpl->tag_get_handle( opt_name, 1, MB_TYPE_DOUBLE, tag );
 // Return success since that just means we don't have to write this option
 if( MB_SUCCESS != rval ) return MB_SUCCESS;
 }
 
 double dum_val;
 rval = mbImpl->tag_get_data( tag, &seth, 1, &dum_val );
 // Return success since that just means we don't have to write this option
 if( MB_SUCCESS != rval ) return MB_SUCCESS;
 
 CCMIOError error = kCCMIONoErr;
 CCMIOWriteOptf( &error, node, opt_name, dum_val );
 CHK_SET_CCMERR( error, "Trouble writing int option" );
 
 return MB_SUCCESS;
}
 
ErrorCode WriteCCMIO::write_str_option( const char* opt_name,
 EntityHandle seth,
 Tag& tag,
 CCMIOID& node,
 const char* other_name )
{
 int tag_size;
 ErrorCode rval;
 
 if( !tag )
 {
 rval = mbImpl->tag_get_handle( opt_name, 0, MB_TYPE_OPAQUE, tag, MB_TAG_ANY );
 // Return success since that just means we don't have to write this option
 if( MB_SUCCESS != rval ) return MB_SUCCESS;
 }
 
 rval = mbImpl->tag_get_bytes( tag, tag_size );
 if( MB_SUCCESS != rval ) return MB_SUCCESS;
 std::vector< char > opt_val( tag_size + 1 );
 
 rval = mbImpl->tag_get_data( tag, &seth, 1, &opt_val[0] );
 if( MB_SUCCESS != rval ) return MB_SUCCESS;
 
 // Null-terminate if necessary
 if( std::find( opt_val.begin(), opt_val.end(), '\0' ) == opt_val.end() ) *opt_val.rbegin() = '\0';
 
 CCMIOError error = kCCMIONoErr;
 if( other_name )
 {
 CCMIOWriteOptstr( &error, node, other_name, &opt_val[0] );
 CHK_SET_CCMERR( error, "Failure writing an option string MaterialType" );
 }
 else
 {
 CCMIOWriteOptstr( &error, node, opt_name, &opt_val[0] );
 CHK_SET_CCMERR( error, "Failure writing an option string MaterialType" );
 }
 
 return MB_SUCCESS;
}
 
ErrorCode WriteCCMIO::gather_matset_info( std::vector< EntityHandle >& matsets,
 std::vector< MaterialSetData >& matset_data,
 Range& all_verts )
{
 ErrorCode result;
 matset_data.resize( matsets.size() );
 if( 1 == matsets.size() && 0 == matsets[0] )
 {
 // Whole mesh
 mWholeMesh = true;
 
 result = mbImpl->get_entities_by_dimension( 0, mDimension, matset_data[0].elems );MB_CHK_SET_ERR( result, "Trouble getting all elements in mesh" );
 result = mWriteIface->gather_nodes_from_elements( matset_data[0].elems, mEntityMark, all_verts );MB_CHK_SET_ERR( result, "Trouble gathering nodes from elements" );
 
 return result;
 }
 
 std::vector< unsigned char > marks;
 for( unsigned int i = 0; i < matsets.size(); i++ )
 {
 EntityHandle this_set = matset_data[i].setHandle = matsets[i];
 
 // Get all Entity Handles in the set
 result = mbImpl->get_entities_by_dimension( this_set, mDimension, matset_data[i].elems, true );MB_CHK_SET_ERR( result, "Trouble getting m-dimensional ents" );
 
 // Get all connected vertices
 result = mWriteIface->gather_nodes_from_elements( matset_data[i].elems, mEntityMark, all_verts );MB_CHK_SET_ERR( result, "Trouble getting vertices for a matset" );
 
 // Check for consistent entity type
 EntityType start_type = mbImpl->type_from_handle( *matset_data[i].elems.begin() );
 if( start_type == mbImpl->type_from_handle( *matset_data[i].elems.rbegin() ) )
 matset_data[i].entityType = start_type;
 
 // Mark elements in this matset
 marks.resize( matset_data[i].elems.size(), 0x1 );
 result = mbImpl->tag_set_data( mEntityMark, matset_data[i].elems, &marks[0] );MB_CHK_SET_ERR( result, "Couln't mark entities being output" );
 
 // Get id for this matset
 result = mbImpl->tag_get_data( mMaterialSetTag, &this_set, 1, &matset_data[i].matsetId );MB_CHK_SET_ERR( result, "Couln't get global id for material set" );
 
 // Get name for this matset
 if( mNameTag )
 {
 char dum_name[NAME_TAG_SIZE];
 result = mbImpl->tag_get_data( mNameTag, &this_set, 1, dum_name );
 if( MB_SUCCESS == result ) matset_data[i].setName = dum_name;
 
 // Reset success, so later checks don't fail
 result = MB_SUCCESS;
 }
 }
 
 if( all_verts.empty() )
 {
 MB_SET_ERR( MB_FILE_WRITE_ERROR, "No vertices from elements" );
 }
 
 return MB_SUCCESS;
}
 
ErrorCode WriteCCMIO::gather_neuset_info( std::vector< EntityHandle >& neusets,
 std::vector< NeumannSetData >& neuset_info )
{
 ErrorCode result;
 
 neuset_info.resize( neusets.size() );
 for( unsigned int i = 0; i < neusets.size(); i++ )
 {
 EntityHandle this_set = neuset_info[i].setHandle = neusets[i];
 
 // Get all Entity Handles of one less dimension than that being output
 result = mbImpl->get_entities_by_dimension( this_set, mDimension - 1, neuset_info[i].elems, true );MB_CHK_SET_ERR( result, "Trouble getting (m-1)-dimensional ents for neuset" );
 
 result = mbImpl->tag_get_data( mGlobalIdTag, &this_set, 1, &neuset_info[i].neusetId );
 if( MB_TAG_NOT_FOUND == result )
 {
 result = mbImpl->tag_get_data( mNeumannSetTag, &this_set, 1, &neuset_info[i].neusetId );
 if( MB_SUCCESS != result )
 // Need some id; use the loop iteration number
 neuset_info[i].neusetId = i;
 }
 
 // Get name for this neuset
 if( mNameTag )
 {
 char dum_name[NAME_TAG_SIZE];
 result = mbImpl->tag_get_data( mNameTag, &this_set, 1, dum_name );
 if( MB_SUCCESS == result ) neuset_info[i].setName = dum_name;
 
 // Reset success, so later checks don't fail
 result = MB_SUCCESS;
 }
 }
 
 return MB_SUCCESS;
}
 
ErrorCode WriteCCMIO::get_gids( const Range& ents, int*& gids, int& minid, int& maxid )
{
 int num_ents = ents.size();
 gids = new int[num_ents];
 ErrorCode result = mbImpl->tag_get_data( mGlobalIdTag, ents, &gids[0] );MB_CHK_SET_ERR( result, "Couldn't get global id data" );
 minid = *std::min_element( gids, gids + num_ents );
 maxid = *std::max_element( gids, gids + num_ents );
 if( 0 == minid )
 {
 // gids need to be assigned
 for( int i = 1; i <= num_ents; i++ )
 gids[i] = i;
 result = mbImpl->tag_set_data( mGlobalIdTag, ents, &gids[0] );MB_CHK_SET_ERR( result, "Couldn't set global id data" );
 maxid = num_ents;
 }
 
 return MB_SUCCESS;
}
 
ErrorCode WriteCCMIO::write_nodes( CCMIOID rootID, const Range& verts, const int dimension, CCMIOID& verticesID )
{
 // Get/write map (global ids) first (gids already assigned)
 unsigned int num_verts = verts.size();
 std::vector< int > vgids( num_verts );
 ErrorCode result = mbImpl->tag_get_data( mGlobalIdTag, verts, &vgids[0] );MB_CHK_SET_ERR( result, "Failed to get global ids for vertices" );
 
 // Create the map node for vertex ids, and write them to that node
 CCMIOID mapID;
 CCMIOError error = kCCMIONoErr;
 CCMIONewEntity( &error, rootID, kCCMIOMap, "Vertex map", &mapID );
 CHK_SET_CCMERR( error, "Failure creating Vertex map node" );
 
 int maxid = *std::max_element( vgids.begin(), vgids.end() );
 
 CCMIOWriteMap( &error, mapID, CCMIOSIZEC( num_verts ), CCMIOSIZEC( maxid ), &vgids[0], CCMIOINDEXC( kCCMIOStart ),
 CCMIOINDEXC( kCCMIOEnd ) );
 CHK_SET_CCMERR( error, "Problem writing node map" );
 
 // Create the vertex coordinate node, and write it
 CCMIONewEntity( &error, rootID, kCCMIOVertices, "Vertices", &verticesID );
 CHK_SET_CCMERR( error, "Trouble creating vertices node" );
 
 // Get the vertex locations
 double* coords = new double[3 * num_verts];
 std::vector< double* > coord_arrays( 3 );
 // Cppcheck warning (false positive): variable coord_arrays is assigned a value that is never
 // used
 coord_arrays[0] = coords;
 coord_arrays[1] = coords + num_verts;
 coord_arrays[2] = ( dimension == 3 ? coords + 2 * num_verts : NULL );
 result = mWriteIface->get_node_coords( -1, verts.begin(), verts.end(), 3 * num_verts, coords );
 if( result != MB_SUCCESS )
 {
 delete[] coords;
 return result;
 }
 
 // Transform coordinates, if necessary
 result = transform_coords( dimension, num_verts, coords );
 if( result != MB_SUCCESS )
 {
 delete[] coords;
 MB_SET_ERR( result, "Trouble transforming vertex coordinates" );
 }
 
 // Write the vertices
 CCMIOWriteVerticesd( &error, verticesID, CCMIOSIZEC( dimension ), 1.0, mapID, coords, CCMIOINDEXC( kCCMIOStart ),
 CCMIOINDEXC( kCCMIOEnd ) );
 CHK_SET_CCMERR( error, "CCMIOWriteVertices failed" );
 
 // Clean up
 delete[] coords;
 
 return MB_SUCCESS;
}
 
ErrorCode WriteCCMIO::transform_coords( const int dimension, const int num_nodes, double* coords )
{
 Tag trans_tag;
 ErrorCode result = mbImpl->tag_get_handle( MESH_TRANSFORM_TAG_NAME, 16, MB_TYPE_DOUBLE, trans_tag );
 if( result == MB_TAG_NOT_FOUND )
 return MB_SUCCESS;
 else if( MB_SUCCESS != result )
 return result;
 double trans_matrix[16];
 const EntityHandle mesh = 0;
 result = mbImpl->tag_get_data( trans_tag, &mesh, 1, trans_matrix );MB_CHK_SET_ERR( result, "Couldn't get transform data" );
 
 double* tmp_coords = coords;
 for( int i = 0; i < num_nodes; i++, tmp_coords += 1 )
 {
 double vec1[3] = { 0.0, 0.0, 0.0 };
 for( int row = 0; row < 3; row++ )
 {
 vec1[row] += ( trans_matrix[( row * 4 ) + 0] * coords[0] );
 vec1[row] += ( trans_matrix[( row * 4 ) + 1] * coords[num_nodes] );
 if( 3 == dimension ) vec1[row] += ( trans_matrix[( row * 4 ) + 2] * coords[2 * num_nodes] );
 }
 
 coords[0] = vec1[0];
 coords[num_nodes] = vec1[1];
 coords[2 * num_nodes] = vec1[2];
 }
 
 return MB_SUCCESS;
}
 
ErrorCode WriteCCMIO::write_cells_and_faces( CCMIOID rootID,
 std::vector< MaterialSetData >& matset_data,
 std::vector< NeumannSetData >& neuset_data,
 Range& /* verts */,
 CCMIOID& topologyID )
{
 std::vector< int > connect;
 ErrorCode result;
 CCMIOID cellMapID, cells;
 CCMIOError error = kCCMIONoErr;
 
 // Don't usually have anywhere near 31 nodes per element
 connect.reserve( 31 );
 Range::const_iterator rit;
 
 // Create the topology node, and the cell and cell map nodes
 CCMIONewEntity( &error, rootID, kCCMIOTopology, "Topology", &topologyID );
 CHK_SET_CCMERR( error, "Trouble creating topology node" );
 
 CCMIONewEntity( &error, rootID, kCCMIOMap, "Cell map", &cellMapID );
 CHK_SET_CCMERR( error, "Failure creating Cell Map node" );
 
 CCMIONewEntity( &error, topologyID, kCCMIOCells, "Cells", &cells );
 CHK_SET_CCMERR( error, "Trouble creating Cell node under Topology node" );
 
 //================================================
 // Loop over material sets, doing each one at a time
 //================================================
 Range all_elems;
 unsigned int i, num_elems = 0;
 int max_id = 1;
 std::vector< int > egids;
 int tot_elems = 0;
 
 for( unsigned int m = 0; m < matset_data.size(); m++ )
 tot_elems += matset_data[m].elems.size();
 
 for( unsigned int m = 0; m < matset_data.size(); m++ )
 {
 unsigned int this_num = matset_data[m].elems.size();
 
 //================================================
 // Save all elements being output
 //================================================
 all_elems.merge( matset_data[m].elems );
 
 //================================================
 // Assign global ids for elements being written
 //================================================
 egids.resize( matset_data[m].elems.size() );
 for( i = 0; i < this_num; i++ )
 egids[i] = max_id++;
 result = mbImpl->tag_set_data( mGlobalIdTag, matset_data[m].elems, &egids[0] );MB_CHK_SET_ERR( result, "Failed to assign global ids for all elements being written" );
 
 //================================================
 // Write cell ids and material types for this matset; reuse egids for cell mat type
 //================================================
 CCMIOWriteMap( &error, cellMapID, CCMIOSIZEC( tot_elems ), CCMIOSIZEC( tot_elems ), &egids[0],
 CCMIOINDEXC( 0 == m ? kCCMIOStart : num_elems ),
 CCMIOINDEXC( matset_data.size() == m ? kCCMIOEnd : num_elems + this_num ) );
 CHK_SET_CCMERR( error, "Trouble writing cell map" );
 
 if( -1 == matset_data[m].matsetId )
 {
 for( i = 0; i < this_num; i++ )
 egids[i] = m;
 }
 else
 {
 for( i = 0; i < this_num; i++ )
 egids[i] = matset_data[m].matsetId;
 }
 
 CCMIOWriteCells( &error, cells, cellMapID, &egids[0], CCMIOINDEXC( 0 == m ? kCCMIOStart : num_elems ),
 CCMIOINDEXC( matset_data.size() == m ? kCCMIOEnd : num_elems + this_num ) );
 CHK_SET_CCMERR( error, "Trouble writing Cell node" );
 
 //================================================
 // Write cell entity types
 //================================================
 const EntityHandle* conn;
 int num_conn;
 int has_mid_nodes[4];
 std::vector< EntityHandle > storage;
 for( i = 0, rit = matset_data[m].elems.begin(); i < this_num; i++, ++rit )
 {
 result = mbImpl->get_connectivity( *rit, conn, num_conn, false, &storage );MB_CHK_SET_ERR( result, "Trouble getting connectivity for entity type check" );
 CN::HasMidNodes( mbImpl->type_from_handle( *rit ), num_conn, has_mid_nodes );
 egids[i] = moab_to_ccmio_type( mbImpl->type_from_handle( *rit ), has_mid_nodes );
 }
 
 CCMIOWriteOpt1i( &error, cells, "CellTopologyType", CCMIOSIZEC( tot_elems ), &egids[0],
 CCMIOINDEXC( 0 == m ? kCCMIOStart : num_elems ),
 CCMIOINDEXC( matset_data.size() == m ? kCCMIOEnd : num_elems + this_num ) );
 CHK_SET_CCMERR( error, "Failed to write cell topo types" );
 
 num_elems += this_num;
 }
 
 //================================================
 // Get skin and neumann set faces
 //================================================
 Range neuset_facets, skin_facets;
 Skinner skinner( mbImpl );
 result = skinner.find_skin( 0, all_elems, mDimension - 1, skin_facets );MB_CHK_SET_ERR( result, "Failed to get skin facets" );
 
 // Remove neumann set facets from skin facets, we have to output these
 // separately
 for( i = 0; i < neuset_data.size(); i++ )
 neuset_facets.merge( neuset_data[i].elems );
 
 skin_facets -= neuset_facets;
 // Make neuset_facets the union, and get ids for them
 neuset_facets.merge( skin_facets );
 result = mWriteIface->assign_ids( neuset_facets, mGlobalIdTag, 1 );
 
 int fmaxid = neuset_facets.size();
 
 //================================================
 // Write external faces
 //================================================
 for( i = 0; i < neuset_data.size(); i++ )
 {
 Range::reverse_iterator rrit;
 unsigned char cmarks[2];
 Range ext_faces;
 std::vector< EntityHandle > mcells;
 // Removing the faces connected to two regions
 for( rrit = neuset_data[i].elems.rbegin(); rrit != neuset_data[i].elems.rend(); ++rrit )
 {
 mcells.clear();
 result = mbImpl->get_adjacencies( &( *rrit ), 1, mDimension, false, mcells );MB_CHK_SET_ERR( result, "Trouble getting bounding cells" );
 
 result = mbImpl->tag_get_data( mEntityMark, &mcells[0], mcells.size(), cmarks );MB_CHK_SET_ERR( result, "Trouble getting mark tags on cells bounding facets" );
 
 if( mcells.size() == 2 && ( mWholeMesh || ( cmarks[0] && cmarks[1] ) ) )
 {
 }
 else
 {
 // External face
 ext_faces.insert( *rrit );
 }
 }
 if( ext_faces.size() != 0 && neuset_data[i].neusetId != 0 )
 {
 result = write_external_faces( rootID, topologyID, neuset_data[i].neusetId, ext_faces );MB_CHK_SET_ERR( result, "Trouble writing Neumann set facets" );
 }
 ext_faces.clear();
 }
 
 if( !skin_facets.empty() )
 {
 result = write_external_faces( rootID, topologyID, 0, skin_facets );MB_CHK_SET_ERR( result, "Trouble writing skin facets" );
 }
 
 //================================================
 // Now internal faces; loop over elements, do each face on the element
 //================================================
 // Mark tag, for face marking on each non-polyhedral element
 
 if( num_elems > 1 )
 { // No internal faces for just one element
 Tag fmark_tag;
 unsigned char mval = 0x0, omval;
 result = mbImpl->tag_get_handle( "__fmark", 1, MB_TYPE_OPAQUE, fmark_tag, MB_TAG_DENSE | MB_TAG_CREAT, &mval );MB_CHK_SET_ERR( result, "Couldn't create mark tag" );
 
 std::vector< EntityHandle > tmp_face_cells, storage;
 std::vector< int > iface_connect, iface_cells;
 EntityHandle tmp_connect[CN::MAX_NODES_PER_ELEMENT]; // tmp connect vector
 const EntityHandle *connectc, *oconnectc;
 int num_connectc; // Cell connectivity
 const EntityHandle* connectf;
 int num_connectf; // Face connectivity
 
 for( i = 0, rit = all_elems.begin(); i < num_elems; i++, ++rit )
 {
 EntityType etype = TYPE_FROM_HANDLE( *rit );
 
 //-----------------------
 // If not polyh, get mark
 //-----------------------
 if( MBPOLYHEDRON != etype && MBPOLYGON != etype )
 {
 result = mbImpl->tag_get_data( fmark_tag, &( *rit ), 1, &mval );MB_CHK_SET_ERR( result, "Couldn't get mark data" );
 }
 
 //-----------------------
 // Get cell connectivity, and whether it's a polyhedron
 //-----------------------
 result = mbImpl->get_connectivity( *rit, connectc, num_connectc, false, &storage );MB_CHK_SET_ERR( result, "Couldn't get entity connectivity" );
 
 // If polyh, write faces directly
 bool is_polyh = ( MBPOLYHEDRON == etype );
 
 int num_facets = ( is_polyh ? num_connectc : CN::NumSubEntities( etype, mDimension - 1 ) );
 
 //----------------------------------------------------------
 // Loop over each facet of element, outputting it if not marked
 //----------------------------------------------------------
 for( int f = 0; f < num_facets; f++ )
 {
 //.............................................
 // If this face marked, skip
 //.............................................
 if( !is_polyh && ( ( mval >> f ) & 0x1 ) ) continue;
 
 //.................
 // Get face connect and adj cells
 //.................
 if( !is_polyh )
 {
 // (from CN)
 CN::SubEntityConn( connectc, etype, mDimension - 1, f, tmp_connect, num_connectf );
 connectf = tmp_connect;
 }
 else
 {
 // Directly
 result = mbImpl->get_connectivity( connectc[f], connectf, num_connectf, false );MB_CHK_SET_ERR( result, "Couldn't get polyhedron connectivity" );
 }
 
 //............................
 // Get adj cells from face connect (same for poly's and not, since both usually
 // go through vertices anyway)
 //............................
 tmp_face_cells.clear();
 result = mbImpl->get_adjacencies( connectf, num_connectf, mDimension, false, tmp_face_cells );MB_CHK_SET_ERR( result, "Error getting adj hexes" );
 
 //...............................
 // If this face only bounds one cell, skip, since we exported external faces
 // before this loop
 //...............................
 if( tmp_face_cells.size() != 2 ) continue;
 
 //.................
 // Switch cells so that *rit is always 1st (face connectivity is always written such
 // that that one is with forward sense)
 //.................
 int side_num = 0, sense = 0, offset = 0;
 if( !is_polyh && tmp_face_cells[0] != *rit )
 {
 EntityHandle tmph = tmp_face_cells[0];
 tmp_face_cells[0] = tmp_face_cells[1];
 tmp_face_cells[1] = tmph;
 }
 
 //.................
 // Save ids of cells
 //.................
 assert( tmp_face_cells[0] != tmp_face_cells[1] );
 iface_cells.resize( iface_cells.size() + 2 );
 result = mbImpl->tag_get_data( mGlobalIdTag, &tmp_face_cells[0], tmp_face_cells.size(),
 &iface_cells[iface_cells.size() - 2] );MB_CHK_SET_ERR( result, "Trouble getting global ids for bounded cells" );
 iface_connect.push_back( num_connectf );
 
 //.................
 // Save indices of face vertices
 //.................
 unsigned int tmp_size = iface_connect.size();
 iface_connect.resize( tmp_size + num_connectf );
 result = mbImpl->tag_get_data( mGlobalIdTag, connectf, num_connectf, &iface_connect[tmp_size] );MB_CHK_SET_ERR( result, "Trouble getting global id for internal face" );
 
 //.................
 // Mark other cell with the right side #
 //.................
 if( !is_polyh )
 {
 // Mark other cell for this face, if there is another cell
 
 result = mbImpl->get_connectivity( tmp_face_cells[1], oconnectc, num_connectc, false, &storage );MB_CHK_SET_ERR( result, "Couldn't get other entity connectivity" );
 
 // Get side number in other cell
 CN::SideNumber( TYPE_FROM_HANDLE( tmp_face_cells[1] ), oconnectc, connectf, num_connectf,
 mDimension - 1, side_num, sense, offset );
 // Set mark for that face on the other cell
 result = mbImpl->tag_get_data( fmark_tag, &tmp_face_cells[1], 1, &omval );MB_CHK_SET_ERR( result, "Couldn't get mark data for other cell" );
 }
 
 omval |= ( 0x1 << (unsigned int)side_num );
 result = mbImpl->tag_set_data( fmark_tag, &tmp_face_cells[1], 1, &omval );MB_CHK_SET_ERR( result, "Couldn't set mark data for other cell" );
 } // Loop over faces in elem
 } // Loop over elems
 
 //================================================
 // Write internal faces
 //================================================
 
 CCMIOID mapID;
 CCMIONewEntity( &error, rootID, kCCMIOMap, NULL, &mapID );
 CHK_SET_CCMERR( error, "Trouble creating Internal Face map node" );
 
 unsigned int num_ifaces = iface_cells.size() / 2;
 
 // Set gids for internal faces; reuse egids
 egids.resize( num_ifaces );
 for( i = 1; i <= num_ifaces; i++ )
 egids[i - 1] = fmaxid + i;
 CCMIOWriteMap( &error, mapID, CCMIOSIZEC( num_ifaces ), CCMIOSIZEC( fmaxid + num_ifaces ), &egids[0],
 CCMIOINDEXC( kCCMIOStart ), CCMIOINDEXC( kCCMIOEnd ) );
 CHK_SET_CCMERR( error, "Trouble writing Internal Face map node" );
 
 CCMIOID id;
 CCMIONewEntity( &error, topologyID, kCCMIOInternalFaces, "Internal faces", &id );
 CHK_SET_CCMERR( error, "Failed to create Internal face node under Topology node" );
 CCMIOWriteFaces( &error, id, kCCMIOInternalFaces, mapID, CCMIOSIZEC( iface_connect.size() ), &iface_connect[0],
 CCMIOINDEXC( kCCMIOStart ), CCMIOINDEXC( kCCMIOEnd ) );
 CHK_SET_CCMERR( error, "Failure writing Internal face connectivity" );
 CCMIOWriteFaceCells( &error, id, kCCMIOInternalFaces, mapID, &iface_cells[0], CCMIOINDEXC( kCCMIOStart ),
 CCMIOINDEXC( kCCMIOEnd ) );
 CHK_SET_CCMERR( error, "Failure writing Internal face cells" );
 }
 
 return MB_SUCCESS;
}
 
int WriteCCMIO::moab_to_ccmio_type( EntityType etype, int has_mid_nodes[] )
{
 int ctype = -1;
 if( has_mid_nodes[0] || has_mid_nodes[2] || has_mid_nodes[3] ) return ctype;
 
 switch( etype )
 {
 case MBVERTEX:
 ctype = 1;
 break;
 case MBEDGE:
 if( !has_mid_nodes[1] )
 ctype = 2;
 else
 ctype = 28;
 break;
 case MBQUAD:
 if( has_mid_nodes[1] )
 ctype = 4;
 else
 ctype = 3;
 break;
 case MBTET:
 if( has_mid_nodes[1] )
 ctype = 23;
 else
 ctype = 13;
 break;
 case MBPRISM:
 if( has_mid_nodes[1] )
 ctype = 22;
 else
 ctype = 12;
 break;
 case MBPYRAMID:
 if( has_mid_nodes[1] )
 ctype = 24;
 else
 ctype = 14;
 break;
 case MBHEX:
 if( has_mid_nodes[1] )
 ctype = 21;
 else
 ctype = 11;
 break;
 case MBPOLYHEDRON:
 ctype = 255;
 break;
 default:
 break;
 }
 
 return ctype;
}
 
ErrorCode WriteCCMIO::write_external_faces( CCMIOID rootID, CCMIOID topologyID, int set_num, Range& facets )
{
 CCMIOError error = kCCMIONoErr;
 CCMIOID mapID, id;
 
 // Get gids for these faces
 int *gids = NULL, minid, maxid;
 ErrorCode result = get_gids( facets, gids, minid, maxid );MB_CHK_SET_ERR( result, "Trouble getting global ids for facets" );
 
 // Write the face id map
 CCMIONewEntity( &error, rootID, kCCMIOMap, NULL, &mapID );
 CHK_SET_CCMERR( error, "Problem creating face id map" );
 
 CCMIOWriteMap( &error, mapID, CCMIOSIZEC( facets.size() ), CCMIOSIZEC( maxid ), gids, CCMIOINDEXC( kCCMIOStart ),
 CCMIOINDEXC( kCCMIOEnd ) );
 CHK_SET_CCMERR( error, "Problem writing face id map" );
 
 // Get the connectivity of the faces; set size by how many verts in last facet
 const EntityHandle* connect;
 int num_connect;
 result = mbImpl->get_connectivity( *facets.rbegin(), connect, num_connect );MB_CHK_SET_ERR( result, "Failed to get connectivity of last facet" );
 std::vector< int > fconnect( facets.size() * ( num_connect + 1 ) );
 
 result = mWriteIface->get_element_connect( facets.begin(), facets.end(), num_connect, mGlobalIdTag, fconnect.size(),
 &fconnect[0], true );MB_CHK_SET_ERR( result, "Failed to get facet connectivity" );
 
 // Get and write a new external face entity
 CCMIONewIndexedEntity( &error, topologyID, kCCMIOBoundaryFaces, set_num, "Boundary faces", &id );
 CHK_SET_CCMERR( error, "Problem creating boundary face entity" );
 
 CCMIOWriteFaces( &error, id, kCCMIOBoundaryFaces, mapID, CCMIOSIZEC( fconnect.size() ), &fconnect[0],
 CCMIOINDEXC( kCCMIOStart ), CCMIOINDEXC( kCCMIOEnd ) );
 CHK_SET_CCMERR( error, "Problem writing boundary faces" );
 
 // Get info on bounding cells; reuse fconnect
 std::vector< EntityHandle > cells;
 unsigned char cmarks[2];
 int i, j = 0;
 Range dead_facets;
 Range::iterator rit;
 
 // About error checking in this loop: if any facets have no bounding cells,
 // this is an error, since global ids for facets are computed outside this loop
 for( rit = facets.begin(), i = 0; rit != facets.end(); ++rit, i++ )
 {
 cells.clear();
 
 // Get cell then gid of cell
 result = mbImpl->get_adjacencies( &( *rit ), 1, mDimension, false, cells );MB_CHK_SET_ERR( result, "Trouble getting bounding cells" );
 if( cells.empty() )
 {
 MB_SET_ERR( MB_FILE_WRITE_ERROR, "External facet with no output bounding cell" );
 }
 
 // Check we don't bound more than one cell being output
 result = mbImpl->tag_get_data( mEntityMark, &cells[0], cells.size(), cmarks );MB_CHK_SET_ERR( result, "Trouble getting mark tags on cells bounding facets" );
 if( cells.size() == 2 && ( mWholeMesh || ( cmarks[0] && cmarks[1] ) ) )
 {
 MB_SET_ERR( MB_FILE_WRITE_ERROR, "External facet with two output bounding cells" );
 }
 else if( 1 == cells.size() && !mWholeMesh && !cmarks[0] )
 {
 MB_SET_ERR( MB_FILE_WRITE_ERROR, "External facet with no output bounding cells" );
 }
 
 // Make sure 1st cell is the one being output
 if( 2 == cells.size() && !( cmarks[0] | 0x0 ) && ( cmarks[1] & 0x1 ) ) cells[0] = cells[1];
 
 // Get gid for bounded cell
 result = mbImpl->tag_get_data( mGlobalIdTag, &cells[0], 1, &fconnect[j] );MB_CHK_SET_ERR( result, "Couldn't get global id tag for bounded cell" );
 
 j++;
 }
 
 // Write the bounding cell data
 CCMIOWriteFaceCells( &error, id, kCCMIOBoundaryFaces, mapID, &fconnect[0], CCMIOINDEXC( kCCMIOStart ),
 CCMIOINDEXC( kCCMIOEnd ) );
 CHK_SET_CCMERR( error, "Problem writing boundary cell data" );
 
 return MB_SUCCESS;
}
 
ErrorCode WriteCCMIO::get_neuset_elems( EntityHandle neuset,
 int current_sense,
 Range& forward_elems,
 Range& reverse_elems )
{
 Range neuset_elems, neuset_meshsets;
 
 // Get the sense tag; don't need to check return, might be an error if the tag
 // hasn't been created yet
 Tag sense_tag = 0;
 mbImpl->tag_get_handle( "SENSE", 1, MB_TYPE_INTEGER, sense_tag );
 
 // Get the entities in this set, non-recursive
 ErrorCode result = mbImpl->get_entities_by_handle( neuset, neuset_elems );
 if( MB_FAILURE == result ) return result;
 
 // Now remove the meshsets into the neuset_meshsets; first find the first meshset,
 Range::iterator range_iter = neuset_elems.begin();
 while( TYPE_FROM_HANDLE( *range_iter ) != MBENTITYSET && range_iter != neuset_elems.end() )
 ++range_iter;
 
 // Then, if there are some, copy them into neuset_meshsets and erase from neuset_elems
 if( range_iter != neuset_elems.end() )
 {
 std::copy( range_iter, neuset_elems.end(), range_inserter( neuset_meshsets ) );
 neuset_elems.erase( range_iter, neuset_elems.end() );
 }
 
 // OK, for the elements, check the sense of this set and copy into the right range
 // (if the sense is 0, copy into both ranges)
 
 // Need to step forward on list until we reach the right dimension
 Range::iterator dum_it = neuset_elems.end();
 --dum_it;
 int target_dim = CN::Dimension( TYPE_FROM_HANDLE( *dum_it ) );
 dum_it = neuset_elems.begin();
 while( target_dim != CN::Dimension( TYPE_FROM_HANDLE( *dum_it ) ) && dum_it != neuset_elems.end() )
 ++dum_it;
 
 if( current_sense == 1 || current_sense == 0 )
 std::copy( dum_it, neuset_elems.end(), range_inserter( forward_elems ) );
 if( current_sense == -1 || current_sense == 0 )
 std::copy( dum_it, neuset_elems.end(), range_inserter( reverse_elems ) );
 
 // Now loop over the contained meshsets, getting the sense of those and calling this
 // function recursively
 for( range_iter = neuset_meshsets.begin(); range_iter != neuset_meshsets.end(); ++range_iter )
 {
 // First get the sense; if it's not there, by convention it's forward
 int this_sense;
 if( 0 == sense_tag || MB_FAILURE == mbImpl->tag_get_data( sense_tag, &( *range_iter ), 1, &this_sense ) )
 this_sense = 1;
 
 // Now get all the entities on this meshset, with the proper (possibly reversed) sense
 get_neuset_elems( *range_iter, this_sense * current_sense, forward_elems, reverse_elems );
 }
 
 return result;
}
} // namespace moab