FBiGeom_MOAB.cpp

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#include <iostream>
#include <map>
#include "FBiGeom_MOAB.hpp"
#include "moab/GeomTopoTool.hpp"
#include "moab/OrientedBoxTreeTool.hpp"
#include "moab/CartVect.hpp"
#include "moab/FileOptions.hpp"
#include "MBTagConventions.hpp"
#include <cstdlib>
#include <cstring>
#include <map>
#include <cassert>

using namespace moab;

static int compare_no_case1( const char* str1, const char* str2, size_t n )
{
    for( size_t i = 1; i != n && *str1 && toupper( *str1 ) == toupper( *str2 ); ++i, ++str1, ++str2 )
        ;
    return toupper( *str2 ) - toupper( *str1 );
}
// Filter out non-MOAB options and remove the "moab:" prefix
static std::string filter_options1( const char* begin, const char* end )
{
    const char* opt_begin = begin;
    const char* opt_end   = begin;

    std::string filtered;
    bool first = true;

    while( opt_end != end )
    {
        opt_end = std::find( opt_begin, end, ' ' );

        if( opt_end - opt_begin >= 5 && compare_no_case1( opt_begin, "moab:", 5 ) == 0 )
        {
            if( !first ) filtered.push_back( ';' );
            first = false;
            filtered.append( opt_begin + 5, opt_end );
        }

        opt_begin = opt_end + 1;
    }
    return filtered;
}

bool debug_igeom     = false;
bool Debug_surf_eval = false;

#define COPY_RANGE( r, vec )                                              \
    {                                                                     \
        EntityHandle* tmp_ptr = reinterpret_cast< EntityHandle* >( vec ); \
        std::copy( ( r ).begin(), ( r ).end(), tmp_ptr );                 \
    }

#define TAG_HANDLE( tagh ) reinterpret_cast< Tag >( tagh )

#define COPY_DOUBLEVEC( r, vec )                              \
    {                                                         \
        double* tmp_ptr = reinterpret_cast< double* >( vec ); \
        std::copy( ( r ).begin(), ( r ).end(), tmp_ptr );     \
    }

void FBiGeom_getDescription( FBiGeom_Instance instance, char* descr, int descr_len )
{
    iMesh_getDescription( IMESH_INSTANCE( instance ), descr, descr_len );
}

void FBiGeom_getErrorType( FBiGeom_Instance instance, /*out*/ int* error_type )
{
    iMesh_getErrorType( IMESH_INSTANCE( instance ), /*out*/ error_type );
}

void FBiGeom_newGeom( char const* options, FBiGeom_Instance* instance_out, int* err, int options_len )
{

    std::string tmp_options = filter_options1( options, options + options_len );
    FileOptions opts( tmp_options.c_str() );
    // process some options?

    MBiGeom** mbigeom = reinterpret_cast< MBiGeom** >( instance_out );
    *mbigeom          = NULL;
    *mbigeom          = new MBiGeom();
    *err              = iBase_SUCCESS;
}

void FBiGeom_dtor( FBiGeom_Instance instance, int* err )
{
    MBiGeom** mbigeom = reinterpret_cast< MBiGeom** >( &instance );
    if( *mbigeom ) delete *mbigeom;
    *err = iBase_SUCCESS;
}

void FBiGeom_newGeomFromMesh( iMesh_Instance mesh,
                              iBase_EntitySetHandle set,
                              const char* options,
                              FBiGeom_Instance* geom,
                              int* err,
                              int )
{
    MBiMesh* mbimesh           = reinterpret_cast< MBiMesh* >( mesh );
    moab::Interface* mbi       = mbimesh->mbImpl;
    moab::EntityHandle rootSet = reinterpret_cast< moab::EntityHandle >( set );
    moab::GeomTopoTool* gtt    = new moab::GeomTopoTool( mbi, true, rootSet );
    bool smooth                = false;  // decide from options
    char smth[]                = "SMOOTH;";
    const char* res            = strstr( options, smth );
    if( res != NULL ) smooth = true;
    moab::FBEngine* fbe = new moab::FBEngine( mbi, gtt, smooth );
    MBiGeom** mbigeom   = reinterpret_cast< MBiGeom** >( geom );
    *mbigeom            = NULL;
    *mbigeom            = new MBiGeom( mbimesh, fbe );
    // will do now the initialization of the engine;
    // heavy duty computation
    fbe->Init();
    *err = iBase_SUCCESS;
}
// corresponding to constructor 2, from iMesh instance
void FBiGeom_dtor2( FBiGeom_Instance instance, int* err )
{
    moab::FBEngine* fbe = FBE_cast( instance );
    if( fbe )
    {
        moab::GeomTopoTool* gtt = fbe->get_gtt();
        if( gtt ) delete gtt;
        delete fbe;
    }
    MBiGeom** mbigeom = reinterpret_cast< MBiGeom** >( &instance );
    if( *mbigeom ) delete *mbigeom;
    *err = iBase_SUCCESS;
}

void FBiGeom_load( FBiGeom_Instance instance, char const* name, char const* options, int* err, int, int options_len )
{
    // first remove option for smooth facetting

    const char smth[] = "SMOOTH;";
    bool smooth       = false;
    const char* res   = NULL;

    char* reducedOptions = NULL;
    bool localReduce     = false;
    if( options ) res = strstr( options, smth );
    if( res )
    {
        // extract that option, will not be recognized by our moab/imesh
        reducedOptions = new char[options_len - 6];
        localReduce    = true;
        int preLen     = (int)( res - options );
        strncpy( reducedOptions, options, preLen );
        int postLen = options_len - 7 - preLen;

        char* tmp = reducedOptions + preLen;

        strncpy( tmp, res + 7, postLen );
        reducedOptions[options_len - 7] = 0;
        std::cout << reducedOptions << std::endl;
        smooth = true;
    }
    else
    {
        reducedOptions = const_cast< char* >( options );
    }
    // load mesh-based geometry
    const EntityHandle* file_set = 0;
    ErrorCode rval               = MBI->load_file( name, file_set, reducedOptions );CHKERR( rval, "can't load mesh file" );
    if( localReduce ) delete[] reducedOptions;

    FBEngine* fbe = FBE_cast( instance );
    if( fbe == NULL )
    {
        *err = iBase_FAILURE;
        return;
    }
    GeomTopoTool* gtt = GETGTT( instance );
    if( gtt == NULL )
    {
        *err = iBase_FAILURE;
        return;
    }
    // keep mesh-based geometries in Range
    rval = gtt->find_geomsets();CHKERR( rval, "Failure to find geometry lists." );

    if( smooth ) fbe->set_smooth();  // assumes that initialization did not happen yet

    fbe->Init();  // major computation

    RETURN( iBase_SUCCESS );
}

void FBiGeom_save( FBiGeom_Instance instance,
                   char const* name,
                   char const* options,
                   int* err,
                   int name_len,
                   int options_len )
{
    iMesh_save( IMESH_INSTANCE( instance ), NULL, name, options, err, name_len, options_len );
}

void FBiGeom_getRootSet( FBiGeom_Instance instance, iBase_EntitySetHandle* root_set, int* err )
{
    EntityHandle modelSet;
    ErrorCode rval = FBE_cast( instance )->getRootSet( &modelSet );CHKERR( rval, "can't get root set " );
    *root_set = (iBase_EntitySetHandle)modelSet;
    RETURN( iBase_SUCCESS );
}

void FBiGeom_getBoundBox( FBiGeom_Instance instance, double*, double*, double*, double*, double*, double*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getEntities( FBiGeom_Instance instance,
                          iBase_EntitySetHandle set_handle,
                          int entity_type,
                          iBase_EntityHandle** entity_handles,
                          int* entity_handles_allocated,
                          int* entity_handles_size,
                          int* err )
{

    if( 0 > entity_type || 4 < entity_type )
    {
        ERROR( iBase_INVALID_ENTITY_TYPE, "Bad entity type." );
    }
    else /* 0<= entity_type <= 4) */
    {
        Range gentities;
        ErrorCode rval = FBE_cast( instance )->getEntities( (EntityHandle)set_handle, entity_type, gentities );CHKERR( rval, "can't get entities " );
        *entity_handles_size = gentities.size();

        CHECK_SIZE( *entity_handles, *entity_handles_allocated, *entity_handles_size, iBase_EntityHandle, NULL );
        COPY_RANGE( gentities, *entity_handles );
    }

    RETURN( iBase_SUCCESS );
}

void FBiGeom_getNumOfType( FBiGeom_Instance instance,
                           iBase_EntitySetHandle set_handle,
                           int entity_type,
                           int* num_out,
                           int* err )
{
    if( 0 > entity_type || 4 < entity_type )
    {
        ERROR( iBase_INVALID_ENTITY_TYPE, "Bad entity type." );
    }
    ErrorCode rval = FBE_cast( instance )->getNumOfType( (EntityHandle)set_handle, entity_type, num_out );CHKERR( rval, "can't get number of type " );

    RETURN( iBase_SUCCESS );
}

void FBiGeom_getEntType( FBiGeom_Instance instance, iBase_EntityHandle entity_handle, int* type, int* err )
{

    ErrorCode rval = FBE_cast( instance )->getEntType( (EntityHandle)entity_handle, type );CHKERR( rval, "can't get entity type " );

    RETURN( iBase_SUCCESS );
}

void FBiGeom_getArrType( FBiGeom_Instance instance,
                         iBase_EntityHandle const* entity_handles,
                         int entity_handles_size,
                         int** type,
                         int* type_allocated,
                         int* type_size,
                         int* err )
{
    CHECK_SIZE( *type, *type_allocated, entity_handles_size, int, NULL );
    *type_size = entity_handles_size;

    int tmp_err;

    for( int i = 0; i < entity_handles_size; i++ )
    {
        FBiGeom_getEntType( instance, entity_handles[i], *type + i, &tmp_err );
        if( iBase_SUCCESS != tmp_err )
        {
            ERROR( tmp_err, "Failed to get entity type in FBiGeom_getArrType." );
        }
    }

    RETURN( iBase_SUCCESS );
}

void FBiGeom_getEntAdj( FBiGeom_Instance instance,
                        iBase_EntityHandle entity_handle,
                        int to_dimension,
                        iBase_EntityHandle** adj_entities,
                        int* adj_entities_allocated,
                        int* adj_entities_size,
                        int* err )
{
    Range adjs;
    EntityHandle this_ent = MBH_cast( entity_handle );

    ErrorCode rval = FBE_cast( instance )->getEntAdj( this_ent, to_dimension, adjs );

    CHKERR( rval, "Failed to get adjacent entities in FBiGeom_getEntAdj." );

    // copy adjacent entities
    *adj_entities_size = adjs.size();
    CHECK_SIZE( *adj_entities, *adj_entities_allocated, *adj_entities_size, iBase_EntityHandle, NULL );
    COPY_RANGE( adjs, *adj_entities );

    RETURN( iBase_SUCCESS );
}

// I suspect this is wrong
void FBiGeom_getArrAdj( FBiGeom_Instance instance,
                        iBase_EntityHandle const* entity_handles,
                        int entity_handles_size,
                        int requested_entity_type,
                        iBase_EntityHandle** adj_entity_handles,
                        int* adj_entity_handles_allocated,
                        int* adj_entity_handles_size,
                        int** offset,
                        int* offset_allocated,
                        int* offset_size,
                        int* err )
{
    // check offset array size
    Range temp_range, total_range;
    CHECK_SIZE( *offset, *offset_allocated, entity_handles_size + 1, int, NULL );
    *offset_size = entity_handles_size + 1;

    // get adjacent entities
    for( int i = 0; i < entity_handles_size; ++i )
    {
        ( *offset )[i] = total_range.size();
        temp_range.clear();
        ErrorCode rval =
            FBE_cast( instance )->getEntAdj( MBH_cast( entity_handles[i] ), requested_entity_type, temp_range );CHKERR( rval, "Failed to get adjacent entities in FBiGeom_getArrAdj." );
        total_range.merge( temp_range );
    }
    int nTot                         = total_range.size();
    ( *offset )[entity_handles_size] = nTot;

    // copy adjacent entities
    CHECK_SIZE( *adj_entity_handles, *adj_entity_handles_allocated, nTot, iBase_EntityHandle, NULL );
    COPY_RANGE( total_range, *adj_entity_handles );
    *adj_entity_handles_size = nTot;

    RETURN( iBase_SUCCESS );
}

void FBiGeom_getEnt2ndAdj( FBiGeom_Instance instance,
                           iBase_EntityHandle entity_handle,
                           int bridge_dimension,
                           int to_dimension,
                           iBase_EntityHandle** adjacent_entities,
                           int* adjacent_entities_allocated,
                           int* adjacent_entities_size,
                           int* err )
{
    Range to_ents, bridge_ents, tmp_ents;
    ErrorCode rval = FBE_cast( instance )->getEntAdj( MBH_cast( entity_handle ), bridge_dimension, bridge_ents );

    CHKERR( rval, "Failed to get adjacent entities in FBiGeom_getEnt2ndAdj." );

    Range::iterator iter, jter, kter, end_jter;
    Range::iterator end_iter = bridge_ents.end();
    for( iter = bridge_ents.begin(); iter != end_iter; ++iter )
    {
        rval = FBE_cast( instance )->getEntAdj( *iter, to_dimension, tmp_ents );

        CHKERR( rval, "Failed to get adjacent entities in FBiGeom_getEnt2ndAdj." );

        for( jter = tmp_ents.begin(); jter != end_jter; ++jter )
        {
            if( to_ents.find( *jter ) == to_ents.end() )
            {
                to_ents.insert( *jter );
            }
        }
        tmp_ents.clear();
    }

    *adjacent_entities_size = to_ents.size();
    CHECK_SIZE( *adjacent_entities, *adjacent_entities_allocated, *adjacent_entities_size, iBase_EntityHandle, NULL );
    COPY_RANGE( to_ents, *adjacent_entities );

    RETURN( iBase_SUCCESS );
}

void FBiGeom_getArr2ndAdj( FBiGeom_Instance instance,
                           iBase_EntityHandle const*,
                           int,
                           int,
                           int,
                           iBase_EntityHandle**,
                           int*,
                           int*,
                           int**,
                           int*,
                           int*,
                           int* err )
{
    // not implemented
    // who would need this monster, anyway?
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_isEntAdj( FBiGeom_Instance instance,
                       iBase_EntityHandle entity_handle1,
                       iBase_EntityHandle entity_handle2,
                       int* are_adjacent,
                       int* err )
{

    bool adjacent_out;
    ErrorCode rval =
        FBE_cast( instance )->isEntAdj( MBH_cast( entity_handle1 ), MBH_cast( entity_handle2 ), adjacent_out );CHKERR( rval, "Failed to get adjacent info" );
    *are_adjacent = (int)adjacent_out;  // 0 or 1, really

    RETURN( iBase_SUCCESS );
}

void FBiGeom_isArrAdj( FBiGeom_Instance instance,
                       iBase_EntityHandle const* entity_handles_1,
                       int entity_handles_1_size,
                       iBase_EntityHandle const* entity_handles_2,
                       int entity_handles_2_size,
                       int** is_adjacent_info,
                       int* is_adjacent_info_allocated,
                       int* is_adjacent_info_size,
                       int* err )
{
    int index1 = 0;
    int index2 = 0;
    size_t index1_step, index2_step;
    int count;

    // If either list contains only 1 entry, compare that entry with
    // every entry in the other list.
    if( entity_handles_1_size == entity_handles_2_size )
    {
        index1_step = index2_step = 1;
        count                     = entity_handles_1_size;
    }
    else if( entity_handles_1_size == 1 )
    {
        index1_step = 0;
        index2_step = 1;
        count       = entity_handles_2_size;
    }
    else if( entity_handles_2_size == 1 )
    {
        index1_step = 1;
        index2_step = 0;
        count       = entity_handles_1_size;
    }
    else
    {
        RETURN( iBase_INVALID_ENTITY_COUNT );
    }

    CHECK_SIZE( *is_adjacent_info, *is_adjacent_info_allocated, count, int, NULL );

    for( int i = 0; i < count; ++i )
    {
        FBiGeom_isEntAdj( instance, entity_handles_1[index1], entity_handles_2[index2], &( ( *is_adjacent_info )[i] ),
                          err );
        FWDERR();

        index1 += index1_step;
        index2 += index2_step;
    }
    // it is now safe to set the size
    *is_adjacent_info_size = count;

    RETURN( iBase_SUCCESS );
}

void FBiGeom_getEntClosestPt( FBiGeom_Instance instance,
                              iBase_EntityHandle entity_handle,
                              double near_x,
                              double near_y,
                              double near_z,
                              double* on_x,
                              double* on_y,
                              double* on_z,
                              int* err )
{

    ErrorCode rval =
        FBE_cast( instance )->getEntClosestPt( MBH_cast( entity_handle ), near_x, near_y, near_z, on_x, on_y, on_z );CHKERR( rval, "Failed to get closest point" );

    RETURN( iBase_SUCCESS );
}

void FBiGeom_getArrClosestPt( FBiGeom_Instance instance,
                              iBase_EntityHandle const* entity_handles,
                              int entity_handles_size,
                              int storage_order,
                              double const* near_coordinates,
                              int near_coordinates_size,
                              double** on_coordinates,
                              int* on_coordinates_allocated,
                              int* on_coordinates_size,
                              int* err )
{
    CHECK_SIZE( *on_coordinates, *on_coordinates_allocated, near_coordinates_size, double, NULL );

    for( int i = 0; i < entity_handles_size; i++ )
    {
        if( storage_order == iBase_INTERLEAVED )
        {
            FBiGeom_getEntClosestPt( instance, entity_handles[i], near_coordinates[3 * i], near_coordinates[3 * i + 1],
                                     near_coordinates[3 * i + 2], on_coordinates[3 * i], on_coordinates[3 * i + 1],
                                     on_coordinates[3 * i + 2], err );
        }
        else if( storage_order == iBase_BLOCKED )
        {
            FBiGeom_getEntClosestPt( instance, entity_handles[i], near_coordinates[i],
                                     near_coordinates[i + entity_handles_size],
                                     near_coordinates[i + 2 * entity_handles_size], on_coordinates[i],
                                     on_coordinates[i + entity_handles_size],
                                     on_coordinates[i + 2 * entity_handles_size], err );
        }
        FWDERR();
    }
    *on_coordinates_size = near_coordinates_size;

    RETURN( iBase_SUCCESS );
}

void FBiGeom_getEntNrmlXYZ( FBiGeom_Instance instance,
                            iBase_EntityHandle entity_handle,
                            double x,
                            double y,
                            double z,
                            double* nrml_i,
                            double* nrml_j,
                            double* nrml_k,
                            int* err )
{

    ErrorCode rval = FBE_cast( instance )->getEntNrmlXYZ( MBH_cast( entity_handle ), x, y, z, nrml_i, nrml_j, nrml_k );CHKERR( rval, "Failed to get normal" );
    RETURN( iBase_SUCCESS );
}

void FBiGeom_getArrNrmlXYZ( FBiGeom_Instance instance,
                            iBase_EntityHandle const* entity_handles,
                            int entity_handles_size,
                            int storage_order,
                            double const* coordinates,
                            int coordinates_size,
                            double** normals,
                            int* normals_allocated,
                            int* normals_size,
                            int* err )
{
    // set up iteration according to storage order.
    // allow either gentity_handles or near_coordinates to contain
    // only one value, where that single value is applied for every
    // entry in the other list.
    size_t index = 0;
    size_t coord_step, norm_step = 1, ent_step;
    int count;
    if( 3 * entity_handles_size == coordinates_size )
    {
        coord_step = ent_step = 1;
        count                 = entity_handles_size;
    }
    else if( coordinates_size == 3 )
    {
        coord_step = 0;
        ent_step   = 1;
        count      = entity_handles_size;
    }
    else if( entity_handles_size == 1 )
    {
        coord_step = 1;
        ent_step   = 0;
        count      = coordinates_size / 3;
    }
    else
    {
        ERROR( iBase_INVALID_ENTITY_COUNT, "Mismatched array sizes" );
    }

    // check or pre-allocate the coordinate arrays
    CHECK_SIZE( *normals, *normals_allocated, 3 * count, double, NULL );

    const double *coord_x, *coord_y, *coord_z;
    double *norm_x, *norm_y, *norm_z;
    if( storage_order == iBase_BLOCKED )
    {
        coord_x   = coordinates;
        coord_y   = coord_x + coordinates_size / 3;
        coord_z   = coord_y + coordinates_size / 3;
        norm_x    = *normals;
        norm_y    = norm_x + count;
        norm_z    = norm_y + count;
        norm_step = 1;
    }
    else
    {
        storage_order = iBase_INTERLEAVED; /* set if unspecified */
        coord_x       = coordinates;
        coord_y       = coord_x + 1;
        coord_z       = coord_x + 2;
        norm_x        = *normals;
        norm_y        = norm_x + 1;
        norm_z        = norm_x + 2;
        coord_step *= 3;
        norm_step = 3;
    }

    for( int i = 0; i < count; ++i )
    {
        FBiGeom_getEntNrmlXYZ( instance, entity_handles[index], *coord_x, *coord_y, *coord_z, norm_x, norm_y, norm_z,
                               err );
        FWDERR();

        index += ent_step;
        coord_x += coord_step;
        coord_y += coord_step;
        coord_z += coord_step;
        norm_x += norm_step;
        norm_y += norm_step;
        norm_z += norm_step;
    }
    *normals_size = count;
    RETURN( iBase_SUCCESS );
}

void FBiGeom_getEntNrmlPlXYZ( FBiGeom_Instance instance,
                              iBase_EntityHandle entity_handle,
                              double x,
                              double y,
                              double z,
                              double* pt_x,
                              double* pt_y,
                              double* pt_z,
                              double* nrml_i,
                              double* nrml_j,
                              double* nrml_k,
                              int* err )
{
    // just do for surface and volume
    int type;
    FBiGeom_getEntType( instance, entity_handle, &type, err );
    FWDERR();

    if( type != 2 && type != 3 )
    {
        ERROR( iBase_INVALID_ENTITY_TYPE, "Entities passed into gentityNormal must be face or volume." );
    }

    // do 2 searches, so it is not fast enough
    FBiGeom_getEntClosestPt( instance, entity_handle, x, y, z, pt_x, pt_y, pt_z, err );

    FWDERR();
    FBiGeom_getEntNrmlXYZ( instance, entity_handle, *pt_x, *pt_y, *pt_z, nrml_i, nrml_j, nrml_k, err );
    FWDERR();

    RETURN( iBase_SUCCESS );
}

void FBiGeom_getArrNrmlPlXYZ( FBiGeom_Instance instance,
                              iBase_EntityHandle const* entity_handles,
                              int entity_handles_size,
                              int storage_order,
                              double const* near_coordinates,
                              int near_coordinates_size,
                              double** on_coordinates,
                              int* on_coordinates_allocated,
                              int* on_coordinates_size,
                              double** normals,
                              int* normals_allocated,
                              int* normals_size,
                              int* err )
{
    // set up iteration according to storage order.
    // allow either gentity_handles or near_coordinates to contain
    // only one value, where that single value is applied for every
    // entry in the other list.
    size_t index = 0;
    size_t near_step, on_step = 1, ent_step;
    int count;
    if( 3 * entity_handles_size == near_coordinates_size )
    {
        near_step = ent_step = 1;
        count                = entity_handles_size;
    }
    else if( near_coordinates_size == 3 )
    {
        near_step = 0;
        ent_step  = 1;
        count     = entity_handles_size;
    }
    else if( entity_handles_size == 1 )
    {
        near_step = 1;
        ent_step  = 0;
        count     = near_coordinates_size / 3;
    }
    else
    {
        ERROR( iBase_INVALID_ENTITY_COUNT, "Mismatched array sizes" );
    }

    // check or pre-allocate the coordinate arrays
    CHECK_SIZE( *on_coordinates, *on_coordinates_allocated, 3 * count, double, NULL );
    CHECK_SIZE( *normals, *normals_allocated, 3 * count, double, NULL );

    const double *near_x, *near_y, *near_z;
    double *on_x, *on_y, *on_z;
    double *norm_x, *norm_y, *norm_z;
    if( storage_order == iBase_BLOCKED )
    {
        near_x  = near_coordinates;
        near_y  = near_x + near_coordinates_size / 3;
        near_z  = near_y + near_coordinates_size / 3;
        on_x    = *on_coordinates;
        on_y    = on_x + count;
        on_z    = on_y + count;
        norm_x  = *normals;
        norm_y  = norm_x + count;
        norm_z  = norm_y + count;
        on_step = 1;
    }
    else
    {
        storage_order = iBase_INTERLEAVED; /* set if unspecified */
        near_x        = near_coordinates;
        near_y        = near_x + 1;
        near_z        = near_x + 2;
        on_x          = *on_coordinates;
        on_y          = on_x + 1;
        on_z          = on_x + 2;
        norm_x        = *normals;
        norm_y        = norm_x + 1;
        norm_z        = norm_x + 2;
        near_step *= 3;
        on_step = 3;
    }

    for( int i = 0; i < count; ++i )
    {
        FBiGeom_getEntNrmlPlXYZ( instance, entity_handles[index], *near_x, *near_y, *near_z, on_x, on_y, on_z, norm_x,
                                 norm_y, norm_z, err );
        FWDERR();

        // entities += ent_step;
        index += ent_step;
        near_x += near_step;
        near_y += near_step;
        near_z += near_step;
        on_x += on_step;
        on_y += on_step;
        on_z += on_step;
        norm_x += on_step;
        norm_y += on_step;
        norm_z += on_step;
    }
    *on_coordinates_size = count * 3;
    *normals_size        = count;
    RETURN( iBase_SUCCESS );
}

void FBiGeom_getEntTgntXYZ( FBiGeom_Instance instance,
                            iBase_EntityHandle,
                            double,
                            double,
                            double,
                            double*,
                            double*,
                            double*,
                            int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getArrTgntXYZ( FBiGeom_Instance instance,
                            iBase_EntityHandle const*,
                            int,
                            int,
                            double const*,
                            int,
                            double**,
                            int*,
                            int*,
                            int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getEntBoundBox( FBiGeom_Instance instance,
                             iBase_EntityHandle entity_handle,
                             double* min_x,
                             double* min_y,
                             double* min_z,
                             double* max_x,
                             double* max_y,
                             double* max_z,
                             int* err )
{
    ErrorCode rval;
    int type;
    FBiGeom_getEntType( instance, entity_handle, &type, err );
    FWDERR();

    if( type == 0 )
    {
        FBiGeom_getVtxCoord( instance, entity_handle, min_x, min_y, min_z, err );
        FWDERR();
        max_x = min_x;
        max_y = min_y;
        max_z = min_z;
    }
    else if( type == 1 )
    {
        // it could be relatively easy to support
        *err = iBase_NOT_SUPPORTED;
        FWDERR();
    }
    else if( type == 2 || type == 3 )
    {

        EntityHandle root;
        CartVect center, axis[3];
        GeomTopoTool* gtt = GETGTT( instance );
        if( !gtt ) ERROR( iBase_FAILURE, "Can't get geom topo tool." );
        rval = gtt->get_root( MBH_cast( entity_handle ), root );CHKERR( rval, "Failed to get tree root in FBiGeom_getEntBoundBox." );
        rval = gtt->obb_tree()->box( root, center.array(), axis[0].array(), axis[1].array(), axis[2].array() );CHKERR( rval, "Failed to get box from obb tree." );

        CartVect absv[3];
        for( int i = 0; i < 3; i++ )
        {
            absv[i] = CartVect( fabs( axis[i][0] ), fabs( axis[i][1] ), fabs( axis[i][2] ) );
        }
        CartVect min, max;
        min    = center - absv[0] - absv[1] - absv[2];
        max    = center + absv[0] + absv[1] + absv[2];
        *min_x = min[0];
        *min_y = min[1];
        *min_z = min[2];
        *max_x = max[0];
        *max_y = max[1];
        *max_z = max[2];
    }
    else
        RETURN( iBase_INVALID_ENTITY_TYPE );

    RETURN( iBase_SUCCESS );
}

void FBiGeom_getArrBoundBox( FBiGeom_Instance instance,
                             iBase_EntityHandle const* entity_handles,
                             int entity_handles_size,
                             int storage_order,
                             double** min_corner,
                             int* min_corner_allocated,
                             int* min_corner_size,
                             double** max_corner,
                             int* max_corner_allocated,
                             int* max_corner_size,
                             int* err )
{
    // check or pre-allocate the coordinate arrays
    CHECK_SIZE( *min_corner, *min_corner_allocated, 3 * entity_handles_size, double, NULL );
    CHECK_SIZE( *max_corner, *max_corner_allocated, 3 * entity_handles_size, double, NULL );

    size_t step, init;
    if( storage_order == iBase_BLOCKED )
    {
        step = 1;
        init = entity_handles_size;
    }
    else
    {
        step = 3;
        init = 1;
    }
    double *min_x, *min_y, *min_z, *max_x, *max_y, *max_z;
    min_x = *min_corner;
    max_x = *max_corner;
    min_y = min_x + init;
    max_y = max_x + init;
    min_z = min_y + init;
    max_z = max_y + init;

    for( int i = 0; i < entity_handles_size; ++i )
    {
        FBiGeom_getEntBoundBox( instance, entity_handles[i], min_x, min_y, min_z, max_x, max_y, max_z, err );
        FWDERR();

        min_x += step;
        max_x += step;
        min_y += step;
        max_y += step;
        min_z += step;
        max_z += step;
    }
    *min_corner_size = 3 * entity_handles_size;
    *max_corner_size = 3 * entity_handles_size;
    RETURN( iBase_SUCCESS );
}

void FBiGeom_getVtxCoord( FBiGeom_Instance instance,
                          iBase_EntityHandle vertex_handle,
                          double* x,
                          double* y,
                          double* z,
                          int* err )
{
    ErrorCode rval = FBE_cast( instance )->getVtxCoord( MBH_cast( vertex_handle ), x, y, z );CHKERR( rval, "Failed to vertex position" );
    RETURN( iBase_SUCCESS );
}

void FBiGeom_getVtxArrCoords( FBiGeom_Instance instance,
                              iBase_EntityHandle const* entity_handles,
                              int entity_handles_size,
                              int storage_order,
                              double** coordinates,
                              int* coordinates_allocated,
                              int* coordinates_size,
                              int* err )
{
    // check or pre-allocate the coordinate arrays
    CHECK_SIZE( *coordinates, *coordinates_allocated, 3 * entity_handles_size, double, NULL );

    double *x, *y, *z;
    size_t step;
    if( storage_order == iBase_BLOCKED )
    {
        x    = *coordinates;
        y    = x + entity_handles_size;
        z    = y + entity_handles_size;
        step = 1;
    }
    else
    {
        x    = *coordinates;
        y    = x + 1;
        z    = x + 2;
        step = 3;
    }

    for( int i = 0; i < entity_handles_size; i++ )
    {
        FBiGeom_getVtxCoord( instance, entity_handles[i], x, y, z, err );
        x += step;
        y += step;
        z += step;
    }
    *coordinates_size = 3 * entity_handles_size;
    RETURN( iBase_SUCCESS );
}

void FBiGeom_getPntRayIntsct( FBiGeom_Instance instance,
                              double x,
                              double y,
                              double z,
                              double dir_x,
                              double dir_y,
                              double dir_z,
                              iBase_EntityHandle** intersect_entity_handles,
                              int* intersect_entity_handles_allocated,
                              int* intersect_entity_handles_size,
                              int storage_order,
                              double** intersect_coords,
                              int* intersect_coords_allocated,
                              int* intersect_coords_size,
                              double** param_coords,
                              int* param_coords_allocated,
                              int* param_coords_size,
                              int* err )
{
    // this is pretty cool
    // we will return only surfaces
    //
    // storage order is ignored
    std::vector< EntityHandle > intersect_handles;
    std::vector< double > coords;
    std::vector< double > params;
    ErrorCode rval =
        FBE_cast( instance )->getPntRayIntsct( x, y, z, dir_x, dir_y, dir_z, intersect_handles, coords, params );CHKERR( rval, "can't get ray intersections " );
    *intersect_entity_handles_size = (int)intersect_handles.size();

    CHECK_SIZE( *intersect_entity_handles, *intersect_entity_handles_allocated, *intersect_entity_handles_size,
                iBase_EntityHandle, NULL );
    *intersect_coords_size = 3 * (int)intersect_handles.size();
    CHECK_SIZE( *intersect_coords, *intersect_coords_allocated, *intersect_coords_size, double, NULL );
    *param_coords_size = (int)intersect_handles.size();
    CHECK_SIZE( *param_coords, *param_coords_allocated, *param_coords_size, double, NULL );

    COPY_RANGE( intersect_handles, *intersect_entity_handles );

    COPY_DOUBLEVEC( params, *param_coords );
    if( storage_order == iBase_BLOCKED )
    {
        int sz = (int)intersect_handles.size();
        for( int i = 0; i < sz; i++ )
        {
            *intersect_coords[i]          = coords[3 * i];
            *intersect_coords[sz + i]     = coords[3 * i + 1];
            *intersect_coords[2 * sz + i] = coords[3 * i + 2];
        }
    }
    else
    {
        COPY_DOUBLEVEC( coords, *intersect_coords );
    }

    RETURN( iBase_SUCCESS );
}

void FBiGeom_getPntArrRayIntsct( FBiGeom_Instance instance,
                                 int,
                                 const double*,
                                 int,
                                 const double*,
                                 int,
                                 iBase_EntityHandle**,
                                 int*,
                                 int*,
                                 int**,
                                 int*,
                                 int*,
                                 double**,
                                 int*,
                                 int*,
                                 double**,
                                 int*,
                                 int*,
                                 int* err )
{
    // not implemented
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getEntNrmlSense( FBiGeom_Instance instance,
                              iBase_EntityHandle face,
                              iBase_EntityHandle region,
                              int* sense_out,
                              int* err )
{
    moab::EntityHandle mbregion = (moab::EntityHandle)region;
    moab::EntityHandle mbface   = (moab::EntityHandle)face;
    moab::ErrorCode rval        = FBE_cast( instance )->getEgFcSense( mbface, mbregion, *sense_out );CHKERR( rval, "can't get normal sense " );
    RETURN( iBase_SUCCESS );
}
void FBiGeom_getArrNrmlSense( FBiGeom_Instance instance,
                              iBase_EntityHandle const*,
                              int,
                              iBase_EntityHandle const*,
                              int,
                              int**,
                              int*,
                              int*,
                              int* err )
{
    // not implemented
    RETURN( iBase_NOT_SUPPORTED );
}

/**\brief Get the sense of an edge with respect to a face
 * Get the sense of an edge with respect to a face.  Sense returned is -1, 0, or 1,
 * representing "reversed", "both", or "forward".  "both" sense indicates that edge bounds
 * the face once with each sense.
 * \param edge Edge being queried
 * \param face Face being queried
 * \param sense_out Sense of edge with respect to face
 */

void FBiGeom_getEgFcSense( FBiGeom_Instance instance,
                           iBase_EntityHandle edge,
                           iBase_EntityHandle face,
                           int* sense_out,
                           int* err )
{
    // this one is important, for establishing the orientation of the edges in faces
    // bummer, I "thought" it is already implemented
    // use senses
    ErrorCode rval = FBE_cast( instance )->getEgFcSense( MBH_cast( edge ), MBH_cast( face ), *sense_out );

    CHKERR( rval, "Failed to get edge senses in FBiGeom_getEgFcSense." );
    RETURN( iBase_SUCCESS );
}
void FBiGeom_getEgFcArrSense( FBiGeom_Instance instance,
                              iBase_EntityHandle const*,
                              int,
                              iBase_EntityHandle const*,
                              int,
                              int**,
                              int*,
                              int*,
                              int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getEgVtxSense( FBiGeom_Instance instance,
                            iBase_EntityHandle edge,
                            iBase_EntityHandle vertex1,
                            iBase_EntityHandle vertex2,
                            int* sense_out,
                            int* err )
{

    ErrorCode rval =
        FBE_cast( instance )->getEgVtxSense( MBH_cast( edge ), MBH_cast( vertex1 ), MBH_cast( vertex2 ), *sense_out );CHKERR( rval, "Failed to get vertex sense wrt edge in FBiGeom_getEgVtxSense" );
    RETURN( iBase_SUCCESS );
}
void FBiGeom_getEgVtxArrSense( FBiGeom_Instance instance,
                               iBase_EntityHandle const*,
                               int,
                               iBase_EntityHandle const*,
                               int,
                               iBase_EntityHandle const*,
                               int,
                               int**,
                               int*,
                               int*,
                               int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_measure( FBiGeom_Instance instance,
                      iBase_EntityHandle const* entity_handles,
                      int entity_handles_size,
                      double** measures,
                      int* measures_allocated,
                      int* measures_size,
                      int* err )
{

    CHECK_SIZE( *measures, *measures_allocated, entity_handles_size, double, NULL );
    ErrorCode rval = FBE_cast( instance )->measure( (EntityHandle*)( entity_handles ), entity_handles_size, *measures );CHKERR( rval, "Failed to get measures" );
    *measures_size = entity_handles_size;
    RETURN( iBase_SUCCESS );
}

void FBiGeom_getFaceType( FBiGeom_Instance instance,
                          iBase_EntityHandle,
                          char* face_type,
                          int* err,
                          int* face_type_length )
{
    std::string type = "nonplanar";  // for swept faces created with rays between surfaces,
                                     // we could actually create planar surfaces; maybe we should
                                     // recognize them as such
    face_type = new char[type.length() + 1];
    strcpy( face_type, type.c_str() );
    *face_type_length = type.length() + 1;
    RETURN( iBase_SUCCESS );
}
void FBiGeom_getParametric( FBiGeom_Instance instance, int* is_parametric, int* err )
{
    *is_parametric = 0;  //(false)
    RETURN( iBase_SUCCESS );
}
void FBiGeom_isEntParametric( FBiGeom_Instance instance, iBase_EntityHandle entity_handle, int* parametric, int* err )
{
    int type = -1;
    FBiGeom_getEntType( instance, entity_handle, &type, err );
    if( type == 1 )
        *parametric = 1;  // true
    else
        *parametric = 0;  // false
    RETURN( iBase_SUCCESS );
}
void FBiGeom_isArrParametric( FBiGeom_Instance instance, iBase_EntityHandle const*, int, int**, int*, int*, int* err )
{
    // not implemented
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getEntUVtoXYZ( FBiGeom_Instance instance,
                            iBase_EntityHandle,
                            double,
                            double,
                            double*,
                            double*,
                            double*,
                            int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getArrUVtoXYZ( FBiGeom_Instance instance,
                            iBase_EntityHandle const*,
                            int,
                            int,
                            double const*,
                            int,
                            double**,
                            int*,
                            int*,
                            int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getEntUtoXYZ( FBiGeom_Instance instance,
                           iBase_EntityHandle entity_handle,
                           double u,
                           double* x,
                           double* y,
                           double* z,
                           int* err )
{
    int type;
    FBiGeom_getEntType( instance, entity_handle, &type, err );
    FWDERR();

    if( type != 1 )  // not edge
        RETURN( iBase_NOT_SUPPORTED );

    ErrorCode rval = FBE_cast( instance )->getEntUtoXYZ( (EntityHandle)entity_handle, u, *x, *y, *z );CHKERR( rval, "Failed to get position from parameter" );
    RETURN( iBase_SUCCESS );
}

void FBiGeom_getArrUtoXYZ( FBiGeom_Instance instance,
                           iBase_EntityHandle const*,
                           int,
                           double const*,
                           int,
                           int,
                           double**,
                           int*,
                           int*,
                           int* err )
{
    // not implemented
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getEntXYZtoUV( FBiGeom_Instance instance,
                            iBase_EntityHandle,
                            double,
                            double,
                            double,
                            double*,
                            double*,
                            int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getEntXYZtoU( FBiGeom_Instance instance, iBase_EntityHandle, double, double, double, double*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getArrXYZtoUV( FBiGeom_Instance instance,
                            iBase_EntityHandle const*,
                            int,
                            int,
                            double const*,
                            int,
                            double**,
                            int*,
                            int*,
                            int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getArrXYZtoU( FBiGeom_Instance instance,
                           iBase_EntityHandle const*,
                           int,
                           int,
                           double const*,
                           int,
                           double**,
                           int*,
                           int*,
                           int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getEntXYZtoUVHint( FBiGeom_Instance instance,
                                iBase_EntityHandle,
                                double,
                                double,
                                double,
                                double*,
                                double*,
                                int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getArrXYZtoUVHint( FBiGeom_Instance instance,
                                iBase_EntityHandle const*,
                                int,
                                int,
                                double const*,
                                int,
                                double**,
                                int*,
                                int*,
                                int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getEntUVRange( FBiGeom_Instance instance,
                            iBase_EntityHandle,
                            double*,
                            double*,
                            double*,
                            double*,
                            int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getEntURange( FBiGeom_Instance instance,
                           iBase_EntityHandle entity_handle,
                           double* u_min,
                           double* u_max,
                           int* err )
{
    ErrorCode rval = FBE_cast( instance )->getEntURange( (EntityHandle)entity_handle, *u_min, *u_max );CHKERR( rval, "Failed to get range" );
    RETURN( iBase_SUCCESS );
}
void FBiGeom_getArrUVRange( FBiGeom_Instance instance,
                            iBase_EntityHandle const*,
                            int,
                            int,
                            double**,
                            int*,
                            int*,
                            double**,
                            int*,
                            int*,
                            int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getArrURange( FBiGeom_Instance instance,
                           iBase_EntityHandle const*,
                           int,
                           double**,
                           int*,
                           int*,
                           double**,
                           int*,
                           int*,
                           int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getEntUtoUV( FBiGeom_Instance instance,
                          iBase_EntityHandle,
                          iBase_EntityHandle,
                          double,
                          double*,
                          double*,
                          int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getVtxToUV( FBiGeom_Instance instance, iBase_EntityHandle, iBase_EntityHandle, double*, double*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getVtxToU( FBiGeom_Instance instance, iBase_EntityHandle, iBase_EntityHandle, double*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getArrUtoUV( FBiGeom_Instance instance,
                          iBase_EntityHandle const*,
                          int,
                          iBase_EntityHandle const*,
                          int,
                          double const*,
                          int,
                          int,
                          double**,
                          int*,
                          int*,
                          int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getVtxArrToUV( FBiGeom_Instance instance,
                            iBase_EntityHandle const*,
                            int,
                            iBase_EntityHandle const*,
                            int,
                            int,
                            double**,
                            int*,
                            int*,
                            int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getVtxArrToU( FBiGeom_Instance instance,
                           iBase_EntityHandle const*,
                           int,
                           iBase_EntityHandle const*,
                           int,
                           double**,
                           int*,
                           int*,
                           int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getEntNrmlUV( FBiGeom_Instance instance,
                           iBase_EntityHandle,
                           double,
                           double,
                           double*,
                           double*,
                           double*,
                           int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getArrNrmlUV( FBiGeom_Instance instance,
                           iBase_EntityHandle const*,
                           int,
                           int,
                           double const*,
                           int,
                           double**,
                           int*,
                           int*,
                           int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getEntTgntU( FBiGeom_Instance instance,
                          iBase_EntityHandle entity_handle,
                          double u,
                          double* tgnt_i,
                          double* tgnt_j,
                          double* tgnt_k,
                          int* err )
{
    ErrorCode rval =
        FBE_cast( instance )->getEntTgntU( (moab::EntityHandle)entity_handle, u, *tgnt_i, *tgnt_j, *tgnt_k );CHKERR( rval, "Failed to get tangent from u" );
    RETURN( iBase_SUCCESS );
}
void FBiGeom_getArrTgntU( FBiGeom_Instance instance,
                          iBase_EntityHandle const*,
                          int,
                          int,
                          double const*,
                          int,
                          double**,
                          int*,
                          int*,
                          int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getEnt1stDrvt( FBiGeom_Instance instance,
                            iBase_EntityHandle,
                            double,
                            double,
                            double**,
                            int*,
                            int*,
                            double**,
                            int*,
                            int*,
                            int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getArr1stDrvt( FBiGeom_Instance instance,
                            iBase_EntityHandle const*,
                            int,
                            int,
                            double const*,
                            int,
                            double**,
                            int*,
                            int*,
                            int**,
                            int*,
                            int*,
                            double**,
                            int*,
                            int*,
                            int**,
                            int*,
                            int*,
                            int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getEnt2ndDrvt( FBiGeom_Instance instance,
                            iBase_EntityHandle,
                            double,
                            double,
                            double**,
                            int*,
                            int*,
                            double**,
                            int*,
                            int*,
                            double**,
                            int*,
                            int*,
                            int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getArr2ndDrvt( FBiGeom_Instance instance,
                            iBase_EntityHandle const*,
                            int,
                            int,
                            double const*,
                            int,
                            double**,
                            int*,
                            int*,
                            int**,
                            int*,
                            int*,
                            double**,
                            int*,
                            int*,
                            int**,
                            int*,
                            int*,
                            double**,
                            int*,
                            int*,
                            int**,
                            int*,
                            int*,
                            int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getFcCvtrUV( FBiGeom_Instance instance,
                          iBase_EntityHandle,
                          double,
                          double,
                          double*,
                          double*,
                          double*,
                          double*,
                          double*,
                          double*,
                          int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getFcArrCvtrUV( FBiGeom_Instance instance,
                             iBase_EntityHandle const*,
                             int,
                             int,
                             double const*,
                             int,
                             double**,
                             int*,
                             int*,
                             double**,
                             int*,
                             int*,
                             int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_isEntPeriodic( FBiGeom_Instance /*instance*/,
                            iBase_EntityHandle /*entity_handle*/,
                            int* in_u,
                            int* in_v,
                            int* err )
{
    *in_u = 0;
    *in_v = 0;
    *err  = 0;
    return;
}
void FBiGeom_isArrPeriodic( FBiGeom_Instance instance, iBase_EntityHandle const*, int, int**, int*, int*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_isFcDegenerate( FBiGeom_Instance instance, iBase_EntityHandle, int*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_isFcArrDegenerate( FBiGeom_Instance instance, iBase_EntityHandle const*, int, int**, int*, int*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_initEntIter( FBiGeom_Instance instance, iBase_EntitySetHandle, int, iBase_EntityIterator*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_initEntArrIter( FBiGeom_Instance instance,
                             iBase_EntitySetHandle,
                             int,
                             int,
                             iBase_EntityArrIterator*,
                             int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getNextEntIter( FBiGeom_Instance instance, iBase_EntityIterator, iBase_EntityHandle*, int*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getNextEntArrIter( FBiGeom_Instance instance,
                                iBase_EntityArrIterator,
                                iBase_EntityHandle**,
                                int*,
                                int*,
                                int*,
                                int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_resetEntIter( FBiGeom_Instance instance, iBase_EntityIterator, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_resetEntArrIter( FBiGeom_Instance instance, iBase_EntityArrIterator, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_endEntIter( FBiGeom_Instance instance, iBase_EntityIterator, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_endEntArrIter( FBiGeom_Instance instance, iBase_EntityArrIterator, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_copyEnt( FBiGeom_Instance instance, iBase_EntityHandle, iBase_EntityHandle*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_sweepEntAboutAxis( FBiGeom_Instance instance,
                                iBase_EntityHandle,
                                double,
                                double,
                                double,
                                double,
                                iBase_EntityHandle*,
                                int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_deleteAll( FBiGeom_Instance instance, int* err )
{
    // it means deleting some sets from moab db ; is this what we want?
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_deleteEnt( FBiGeom_Instance instance, iBase_EntityHandle /*entity_handle*/, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_createSphere( FBiGeom_Instance instance, double, iBase_EntityHandle*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_createPrism( FBiGeom_Instance instance, double, int, double, double, iBase_EntityHandle*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_createBrick( FBiGeom_Instance instance, double, double, double, iBase_EntityHandle*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_createCylinder( FBiGeom_Instance instance, double, double, double, iBase_EntityHandle*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_createCone( FBiGeom_Instance instance, double, double, double, double, iBase_EntityHandle*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_createTorus( FBiGeom_Instance instance, double, double, iBase_EntityHandle*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_moveEnt( FBiGeom_Instance instance, iBase_EntityHandle, double, double, double, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_rotateEnt( FBiGeom_Instance instance, iBase_EntityHandle, double, double, double, double, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_reflectEnt( FBiGeom_Instance instance,
                         iBase_EntityHandle,
                         double,
                         double,
                         double,
                         double,
                         double,
                         double,
                         int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_scaleEnt( FBiGeom_Instance instance,
                       iBase_EntityHandle,
                       double,
                       double,
                       double,
                       double,
                       double,
                       double,
                       int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_uniteEnts( FBiGeom_Instance instance, iBase_EntityHandle const*, int, iBase_EntityHandle*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_subtractEnts( FBiGeom_Instance instance,
                           iBase_EntityHandle,
                           iBase_EntityHandle,
                           iBase_EntityHandle*,
                           int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_intersectEnts( FBiGeom_Instance instance,
                            iBase_EntityHandle,
                            iBase_EntityHandle,
                            iBase_EntityHandle*,
                            int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_sectionEnt( FBiGeom_Instance instance,
                         iBase_EntityHandle,
                         double,
                         double,
                         double,
                         double,
                         int,
                         iBase_EntityHandle*,
                         int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_imprintEnts( FBiGeom_Instance instance, iBase_EntityHandle const*, int, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_mergeEnts( FBiGeom_Instance instance, iBase_EntityHandle const*, int, double, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
// start copy old

void FBiGeom_createEntSet( FBiGeom_Instance instance, int isList, iBase_EntitySetHandle* entity_set_created, int* err )
{
    iMesh_createEntSet( IMESH_INSTANCE( instance ), isList, entity_set_created, err );
    FWDERR();
}

void FBiGeom_destroyEntSet( FBiGeom_Instance instance, iBase_EntitySetHandle, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_isList( FBiGeom_Instance instance, iBase_EntitySetHandle, int*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getNumEntSets( FBiGeom_Instance instance,
                            iBase_EntitySetHandle entity_set_handle,
                            int /*num_hops*/,
                            int* num_sets,
                            int* err )
{
    //  here, we get only the entity sets that have gents as members
    // we have the convention that entity sets of geom dimension 4 are
    // sets of geo entities; they should contain only gentities as elements (or other sets of gents)
    // we should also consider the number of hops
    // first, get all sets of geo dim 4 from the entity_set_handle; then intersect with
    // the range from geom topo tool
    Tag geomTag;
    ErrorCode rval = MBI->tag_get_handle( GEOM_DIMENSION_TAG_NAME, 1, MB_TYPE_INTEGER, geomTag );
    if( MB_SUCCESS != rval ) RETURN( iBase_FAILURE );
    GeomTopoTool* gtt   = GETGTT( instance );
    const Range* gRange = gtt->geoRanges();
    // get all sets of geom dimension 4 from the entity set
    EntityHandle moabSet         = (EntityHandle)entity_set_handle;
    const int four               = 4;
    const void* const four_val[] = { &four };
    Range tmp;
    rval = MBI->get_entities_by_type_and_tag( moabSet, MBENTITYSET, &geomTag, four_val, 1, tmp );CHKERR( rval, "can't get sets of geo dim 4 " );
    tmp       = intersect( tmp, gRange[4] );
    *num_sets = tmp.size();  // ignore, for the time being, number of hops

    RETURN( iBase_SUCCESS );
}

void FBiGeom_getEntSets( FBiGeom_Instance instance,
                         iBase_EntitySetHandle entity_set_handle,
                         int,
                         iBase_EntitySetHandle** contained_set_handles,
                         int* contained_set_handles_allocated,
                         int* contained_set_handles_size,
                         int* err )
{
    //  we get only the entity sets that have gents as members
    // we keep the convention that entity sets of geom dimension 4 are
    // sets of geo entities; they should contain only gentities as elements (or other sets of gents)
    Tag geomTag;
    ErrorCode rval = MBI->tag_get_handle( GEOM_DIMENSION_TAG_NAME, 1, MB_TYPE_INTEGER, geomTag );
    if( MB_SUCCESS != rval ) RETURN( iBase_FAILURE );
    GeomTopoTool* gtt   = GETGTT( instance );
    const Range* gRange = gtt->geoRanges();
    // get all sets of geom dimension 4 from the entity set
    EntityHandle moabSet         = (EntityHandle)entity_set_handle;
    const int four               = 4;
    const void* const four_val[] = { &four };
    Range tmp;
    rval = MBI->get_entities_by_type_and_tag( moabSet, MBENTITYSET, &geomTag, four_val, 1, tmp );CHKERR( rval, "can't get sets of geo dim 4 " );
    tmp                         = intersect( tmp, gRange[4] );
    *contained_set_handles_size = tmp.size();
    CHECK_SIZE( *contained_set_handles, *contained_set_handles_allocated, *contained_set_handles_size,
                iBase_EntitySetHandle, NULL );
    COPY_RANGE( tmp, *contained_set_handles );

    RETURN( iBase_SUCCESS );
}

void FBiGeom_addEntToSet( FBiGeom_Instance instance,
                          iBase_EntityHandle entity_handle,
                          iBase_EntitySetHandle entity_set,
                          int* err )
{
    iMesh_addEntToSet( IMESH_INSTANCE( instance ), entity_handle, entity_set, err );
}

void FBiGeom_rmvEntFromSet( FBiGeom_Instance instance,
                            iBase_EntityHandle entity_handle,
                            iBase_EntitySetHandle entity_set,
                            int* err )
{
    iMesh_rmvEntFromSet( IMESH_INSTANCE( instance ), entity_handle, entity_set, err );
}

void FBiGeom_addEntArrToSet( FBiGeom_Instance instance,
                             const iBase_EntityHandle* entity_handles,
                             int entity_handles_size,
                             iBase_EntitySetHandle entity_set,
                             int* err )
{
    iMesh_addEntArrToSet( IMESH_INSTANCE( instance ), entity_handles, entity_handles_size, entity_set, err );
}

void FBiGeom_rmvEntArrFromSet( FBiGeom_Instance instance,
                               const iBase_EntityHandle* entity_handles,
                               int entity_handles_size,
                               iBase_EntitySetHandle entity_set,
                               int* err )
{
    iMesh_rmvEntArrFromSet( IMESH_INSTANCE( instance ), entity_handles, entity_handles_size, entity_set, err );
}

void FBiGeom_addEntSet( FBiGeom_Instance instance,
                        iBase_EntitySetHandle entity_set_to_add,
                        iBase_EntitySetHandle entity_set_handle,
                        int* err )
{
    iMesh_addEntSet( IMESH_INSTANCE( instance ), entity_set_to_add, entity_set_handle, err );
}

void FBiGeom_rmvEntSet( FBiGeom_Instance instance,
                        iBase_EntitySetHandle entity_set_to_remove,
                        iBase_EntitySetHandle entity_set_handle,
                        int* err )
{
    iMesh_rmvEntSet( IMESH_INSTANCE( instance ), entity_set_to_remove, entity_set_handle, err );
}

void FBiGeom_isEntContained( FBiGeom_Instance instance,
                             iBase_EntitySetHandle containing_entity_set,
                             iBase_EntityHandle contained_entity,
                             int* is_contained,
                             int* err )
{
    iMesh_isEntContained( IMESH_INSTANCE( instance ), containing_entity_set, contained_entity, is_contained, err );
}

void FBiGeom_isEntArrContained( FBiGeom_Instance instance,
                                iBase_EntitySetHandle containing_set,
                                const iBase_EntityHandle* entity_handles,
                                int num_entity_handles,
                                int** is_contained,
                                int* is_contained_allocated,
                                int* is_contained_size,
                                int* err )
{
    iMesh_isEntArrContained( IMESH_INSTANCE( instance ), containing_set, entity_handles, num_entity_handles,
                             is_contained, is_contained_allocated, is_contained_size, err );
}

void FBiGeom_isEntSetContained( FBiGeom_Instance instance,
                                iBase_EntitySetHandle containing_entity_set,
                                iBase_EntitySetHandle contained_entity_set,
                                int* is_contained,
                                int* err )
{
    iMesh_isEntSetContained( IMESH_INSTANCE( instance ), containing_entity_set, contained_entity_set, is_contained,
                             err );
}

void FBiGeom_addPrntChld( FBiGeom_Instance instance,
                          iBase_EntitySetHandle parent_entity_set,
                          iBase_EntitySetHandle child_entity_set,
                          int* err )
{
    iMesh_addPrntChld( IMESH_INSTANCE( instance ), parent_entity_set, child_entity_set, err );
}

void FBiGeom_rmvPrntChld( FBiGeom_Instance instance,
                          iBase_EntitySetHandle parent_entity_set,
                          iBase_EntitySetHandle child_entity_set,
                          int* err )
{
    iMesh_rmvPrntChld( IMESH_INSTANCE( instance ), parent_entity_set, child_entity_set, err );
}

void FBiGeom_isChildOf( FBiGeom_Instance instance,
                        iBase_EntitySetHandle parent_entity_set,
                        iBase_EntitySetHandle child_entity_set,
                        int* is_child,
                        int* err )
{
    iMesh_isChildOf( IMESH_INSTANCE( instance ), parent_entity_set, child_entity_set, is_child, err );
}

void FBiGeom_getNumChld( FBiGeom_Instance instance,
                         iBase_EntitySetHandle entity_set,
                         int num_hops,
                         int* num_child,
                         int* err )
{
    iMesh_getNumChld( IMESH_INSTANCE( instance ), entity_set, num_hops, num_child, err );
}

void FBiGeom_getNumPrnt( FBiGeom_Instance instance,
                         iBase_EntitySetHandle entity_set,
                         int num_hops,
                         int* num_parent,
                         int* err )
{
    iMesh_getNumPrnt( IMESH_INSTANCE( instance ), entity_set, num_hops, num_parent, err );
}

void FBiGeom_getChldn( FBiGeom_Instance instance,
                       iBase_EntitySetHandle from_entity_set,
                       int num_hops,
                       iBase_EntitySetHandle** entity_set_handles,
                       int* entity_set_handles_allocated,
                       int* entity_set_handles_size,
                       int* err )
{
    iMesh_getChldn( IMESH_INSTANCE( instance ), from_entity_set, num_hops, entity_set_handles,
                    entity_set_handles_allocated, entity_set_handles_size, err );
}

void FBiGeom_getPrnts( FBiGeom_Instance instance,
                       iBase_EntitySetHandle from_entity_set,
                       int num_hops,
                       iBase_EntitySetHandle** entity_set_handles,
                       int* entity_set_handles_allocated,
                       int* entity_set_handles_size,
                       int* err )
{
    iMesh_getPrnts( IMESH_INSTANCE( instance ), from_entity_set, num_hops, entity_set_handles,
                    entity_set_handles_allocated, entity_set_handles_size, err );
}

void FBiGeom_createTag( FBiGeom_Instance instance,
                        const char* tag_name,
                        int tag_size,
                        int tag_type,
                        iBase_TagHandle* tag_handle,
                        int* err,
                        int tag_name_len )
{

    iMesh_createTag( IMESH_INSTANCE( instance ), tag_name, tag_size, tag_type, tag_handle, err, tag_name_len );
}

void FBiGeom_destroyTag( FBiGeom_Instance instance, iBase_TagHandle tag_handle, int, int* err )
{
    ErrorCode rval = MBI->tag_delete( TAG_HANDLE( tag_handle ) );CHKERR( rval, "Failed to delete tag" );
    RETURN( iBase_SUCCESS );
}

void FBiGeom_getTagName( FBiGeom_Instance instance, iBase_TagHandle tag_handle, char* name, int* err, int name_len )
{
    iMesh_getTagName( IMESH_INSTANCE( instance ), tag_handle, name, err, name_len );
}

void FBiGeom_getTagSizeValues( FBiGeom_Instance instance, iBase_TagHandle tag_handle, int* tag_size, int* err )
{
    iMesh_getTagSizeValues( IMESH_INSTANCE( instance ), tag_handle, tag_size, err );
}

void FBiGeom_getTagSizeBytes( FBiGeom_Instance instance, iBase_TagHandle tag_handle, int* tag_size, int* err )
{
    iMesh_getTagSizeBytes( IMESH_INSTANCE( instance ), tag_handle, tag_size, err );
}

void FBiGeom_getTagHandle( FBiGeom_Instance instance,
                           const char* tag_name,
                           iBase_TagHandle* tag_handle,
                           int* err,
                           int tag_name_len )
{
    iMesh_getTagHandle( IMESH_INSTANCE( instance ), tag_name, tag_handle, err, tag_name_len );
}

void FBiGeom_getTagType( FBiGeom_Instance instance, iBase_TagHandle tag_handle, int* tag_type, int* err )
{
    iMesh_getTagType( IMESH_INSTANCE( instance ), tag_handle, tag_type, err );
}

void FBiGeom_setEntSetData( FBiGeom_Instance instance,
                            iBase_EntitySetHandle entity_set_handle,
                            iBase_TagHandle tag_handle,
                            const void* tag_value,
                            int tag_value_size,
                            int* err )
{
    iMesh_setEntSetData( IMESH_INSTANCE( instance ), entity_set_handle, tag_handle, tag_value, tag_value_size, err );
}

void FBiGeom_setEntSetIntData( FBiGeom_Instance instance,
                               iBase_EntitySetHandle entity_set,
                               iBase_TagHandle tag_handle,
                               int tag_value,
                               int* err )
{
    iMesh_setEntSetIntData( IMESH_INSTANCE( instance ), entity_set, tag_handle, tag_value, err );
}

void FBiGeom_setEntSetDblData( FBiGeom_Instance instance,
                               iBase_EntitySetHandle entity_set,
                               iBase_TagHandle tag_handle,
                               double tag_value,
                               int* err )
{
    iMesh_setEntSetDblData( IMESH_INSTANCE( instance ), entity_set, tag_handle, tag_value, err );
}

void FBiGeom_setEntSetEHData( FBiGeom_Instance instance,
                              iBase_EntitySetHandle entity_set,
                              iBase_TagHandle tag_handle,
                              iBase_EntityHandle tag_value,
                              int* err )
{
    iMesh_setEntSetEHData( IMESH_INSTANCE( instance ), entity_set, tag_handle, tag_value, err );
}

void FBiGeom_setEntSetESHData( FBiGeom_Instance instance,
                               iBase_EntitySetHandle entity_set,
                               iBase_TagHandle tag_handle,
                               iBase_EntitySetHandle tag_value,
                               int* err )
{
    iMesh_setEntSetESHData( IMESH_INSTANCE( instance ), entity_set, tag_handle, tag_value, err );
}

void FBiGeom_getEntSetData( FBiGeom_Instance instance,
                            iBase_EntitySetHandle entity_set_handle,
                            iBase_TagHandle tag_handle,
                            void** tag_value,
                            int* tag_value_allocated,
                            int* tag_value_size,
                            int* err )
{
    iMesh_getEntSetData( IMESH_INSTANCE( instance ), entity_set_handle, tag_handle, tag_value, tag_value_allocated,
                         tag_value_size, err );
}

void FBiGeom_getEntSetIntData( FBiGeom_Instance instance,
                               iBase_EntitySetHandle entity_set,
                               iBase_TagHandle tag_handle,
                               int* out_data,
                               int* err )
{
    iMesh_getEntSetIntData( IMESH_INSTANCE( instance ), entity_set, tag_handle, out_data, err );
}

void FBiGeom_getEntSetDblData( FBiGeom_Instance instance,
                               iBase_EntitySetHandle entity_set,
                               iBase_TagHandle tag_handle,
                               double* out_data,
                               int* err )
{
    iMesh_getEntSetDblData( IMESH_INSTANCE( instance ), entity_set, tag_handle, out_data, err );
}

void FBiGeom_getEntSetEHData( FBiGeom_Instance instance,
                              iBase_EntitySetHandle entity_set,
                              iBase_TagHandle tag_handle,
                              iBase_EntityHandle* out_data,
                              int* err )
{
    iMesh_getEntSetEHData( IMESH_INSTANCE( instance ), entity_set, tag_handle, out_data, err );
}

void FBiGeom_getEntSetESHData( FBiGeom_Instance instance,
                               iBase_EntitySetHandle entity_set,
                               iBase_TagHandle tag_handle,
                               iBase_EntitySetHandle* out_data,
                               int* err )
{
    iMesh_getEntSetESHData( IMESH_INSTANCE( instance ), entity_set, tag_handle, out_data, err );
}

void FBiGeom_getAllEntSetTags( FBiGeom_Instance instance,
                               iBase_EntitySetHandle entity_set_handle,
                               iBase_TagHandle** tag_handles,
                               int* tag_handles_allocated,
                               int* tag_handles_size,
                               int* err )
{
    iMesh_getAllEntSetTags( IMESH_INSTANCE( instance ), entity_set_handle, tag_handles, tag_handles_allocated,
                            tag_handles_size, err );
}

void FBiGeom_rmvEntSetTag( FBiGeom_Instance instance,
                           iBase_EntitySetHandle entity_set_handle,
                           iBase_TagHandle tag_handle,
                           int* err )
{
    iMesh_rmvEntSetTag( IMESH_INSTANCE( instance ), entity_set_handle, tag_handle, err );
}

void FBiGeom_getArrData( FBiGeom_Instance instance,
                         const iBase_EntityHandle* entity_handles,
                         int entity_handles_size,
                         iBase_TagHandle tag_handle,
                         void** tag_values,
                         int* tag_values_allocated,
                         int* tag_values_size,
                         int* err )
{
    iMesh_getArrData( IMESH_INSTANCE( instance ), entity_handles, entity_handles_size, tag_handle, tag_values,
                      tag_values_allocated, tag_values_size, err );
}

void FBiGeom_getIntArrData( FBiGeom_Instance instance,
                            const iBase_EntityHandle* entity_handles,
                            int entity_handles_size,
                            iBase_TagHandle tag_handle,
                            int** tag_values,
                            int* tag_values_allocated,
                            int* tag_values_size,
                            int* err )
{
    iMesh_getIntArrData( IMESH_INSTANCE( instance ), entity_handles, entity_handles_size, tag_handle, tag_values,
                         tag_values_allocated, tag_values_size, err );
}

void FBiGeom_getDblArrData( FBiGeom_Instance instance,
                            const iBase_EntityHandle* entity_handles,
                            int entity_handles_size,
                            iBase_TagHandle tag_handle,
                            double** tag_values,
                            int* tag_values_allocated,
                            int* tag_values_size,
                            int* err )
{
    iMesh_getDblArrData( IMESH_INSTANCE( instance ), entity_handles, entity_handles_size, tag_handle, tag_values,
                         tag_values_allocated, tag_values_size, err );
}

void FBiGeom_getEHArrData( FBiGeom_Instance instance,
                           const iBase_EntityHandle* entity_handles,
                           int entity_handles_size,
                           iBase_TagHandle tag_handle,
                           iBase_EntityHandle** tag_value,
                           int* tag_value_allocated,
                           int* tag_value_size,
                           int* err )
{
    iMesh_getEHArrData( IMESH_INSTANCE( instance ), entity_handles, entity_handles_size, tag_handle, tag_value,
                        tag_value_allocated, tag_value_size, err );
}

void FBiGeom_getESHArrData( FBiGeom_Instance instance,
                            const iBase_EntityHandle* entity_handles,
                            int entity_handles_size,
                            iBase_TagHandle tag_handle,
                            iBase_EntitySetHandle** tag_value,
                            int* tag_value_allocated,
                            int* tag_value_size,
                            int* err )
{
    iMesh_getESHArrData( IMESH_INSTANCE( instance ), entity_handles, entity_handles_size, tag_handle, tag_value,
                         tag_value_allocated, tag_value_size, err );
}

void FBiGeom_setArrData( FBiGeom_Instance instance,
                         const iBase_EntityHandle* entity_handles,
                         int entity_handles_size,
                         iBase_TagHandle tag_handle,
                         const void* tag_values,
                         int tag_values_size,
                         int* err )
{
    iMesh_setArrData( IMESH_INSTANCE( instance ), entity_handles, entity_handles_size, tag_handle, tag_values,
                      tag_values_size, err );
}

void FBiGeom_setIntArrData( FBiGeom_Instance instance,
                            const iBase_EntityHandle* entity_handles,
                            int entity_handles_size,
                            iBase_TagHandle tag_handle,
                            const int* tag_values,
                            int tag_values_size,
                            int* err )
{
    iMesh_setIntArrData( IMESH_INSTANCE( instance ), entity_handles, entity_handles_size, tag_handle, tag_values,
                         tag_values_size, err );
}

void FBiGeom_setDblArrData( FBiGeom_Instance instance,
                            const iBase_EntityHandle* entity_handles,
                            int entity_handles_size,
                            iBase_TagHandle tag_handle,
                            const double* tag_values,
                            const int tag_values_size,
                            int* err )
{
    iMesh_setDblArrData( IMESH_INSTANCE( instance ), entity_handles, entity_handles_size, tag_handle, tag_values,
                         tag_values_size, err );
}

void FBiGeom_setEHArrData( FBiGeom_Instance instance,
                           const iBase_EntityHandle* entity_handles,
                           int entity_handles_size,
                           iBase_TagHandle tag_handle,
                           const iBase_EntityHandle* tag_values,
                           int tag_values_size,
                           int* err )
{
    iMesh_setEHArrData( IMESH_INSTANCE( instance ), entity_handles, entity_handles_size, tag_handle, tag_values,
                        tag_values_size, err );
}

void FBiGeom_setESHArrData( FBiGeom_Instance instance,
                            const iBase_EntityHandle* entity_handles,
                            int entity_handles_size,
                            iBase_TagHandle tag_handle,
                            const iBase_EntitySetHandle* tag_values,
                            int tag_values_size,
                            int* err )
{
    iMesh_setESHArrData( IMESH_INSTANCE( instance ), entity_handles, entity_handles_size, tag_handle, tag_values,
                         tag_values_size, err );
}

void FBiGeom_rmvArrTag( FBiGeom_Instance instance,
                        const iBase_EntityHandle* entity_handles,
                        int entity_handles_size,
                        iBase_TagHandle tag_handle,
                        int* err )
{
    iMesh_rmvArrTag( IMESH_INSTANCE( instance ), entity_handles, entity_handles_size, tag_handle, err );
}

void FBiGeom_getData( FBiGeom_Instance instance,
                      iBase_EntityHandle entity_handle,
                      iBase_TagHandle tag_handle,
                      void** tag_value,
                      int* tag_value_allocated,
                      int* tag_value_size,
                      int* err )
{
    iMesh_getData( IMESH_INSTANCE( instance ), entity_handle, tag_handle, tag_value, tag_value_allocated,
                   tag_value_size, err );
}

void FBiGeom_getIntData( FBiGeom_Instance instance,
                         iBase_EntityHandle entity_handle,
                         iBase_TagHandle tag_handle,
                         int* out_data,
                         int* err )
{
    iMesh_getIntData( IMESH_INSTANCE( instance ), entity_handle, tag_handle, out_data, err );
}

void FBiGeom_getDblData( FBiGeom_Instance instance,
                         const iBase_EntityHandle entity_handle,
                         const iBase_TagHandle tag_handle,
                         double* out_data,
                         int* err )
{
    iMesh_getDblData( IMESH_INSTANCE( instance ), entity_handle, tag_handle, out_data, err );
}

void FBiGeom_getEHData( FBiGeom_Instance instance,
                        iBase_EntityHandle entity_handle,
                        iBase_TagHandle tag_handle,
                        iBase_EntityHandle* out_data,
                        int* err )
{
    iMesh_getEHData( IMESH_INSTANCE( instance ), entity_handle, tag_handle, out_data, err );
}

void FBiGeom_getESHData( FBiGeom_Instance instance,
                         iBase_EntityHandle entity_handle,
                         iBase_TagHandle tag_handle,
                         iBase_EntitySetHandle* out_data,
                         int* err )
{
    iMesh_getESHData( IMESH_INSTANCE( instance ), entity_handle, tag_handle, out_data, err );
}

void FBiGeom_setData( FBiGeom_Instance instance,
                      iBase_EntityHandle entity_handle,
                      iBase_TagHandle tag_handle,
                      const void* tag_value,
                      int tag_value_size,
                      int* err )
{
    iMesh_setData( IMESH_INSTANCE( instance ), entity_handle, tag_handle, tag_value, tag_value_size, err );
}

void FBiGeom_setIntData( FBiGeom_Instance instance,
                         iBase_EntityHandle entity_handle,
                         iBase_TagHandle tag_handle,
                         int tag_value,
                         int* err )
{
    iMesh_setIntData( IMESH_INSTANCE( instance ), entity_handle, tag_handle, tag_value, err );
}

void FBiGeom_setDblData( FBiGeom_Instance instance,
                         iBase_EntityHandle entity_handle,
                         iBase_TagHandle tag_handle,
                         double tag_value,
                         int* err )
{
    iMesh_setDblData( IMESH_INSTANCE( instance ), entity_handle, tag_handle, tag_value, err );
}

void FBiGeom_setEHData( FBiGeom_Instance instance,
                        iBase_EntityHandle entity_handle,
                        iBase_TagHandle tag_handle,
                        iBase_EntityHandle tag_value,
                        int* err )
{
    iMesh_setEHData( IMESH_INSTANCE( instance ), entity_handle, tag_handle, tag_value, err );
}

void FBiGeom_setESHData( FBiGeom_Instance instance,
                         iBase_EntityHandle entity_handle,
                         iBase_TagHandle tag_handle,
                         iBase_EntitySetHandle tag_value,
                         int* err )
{
    iMesh_setESHData( IMESH_INSTANCE( instance ), entity_handle, tag_handle, tag_value, err );
}

void FBiGeom_getAllTags( FBiGeom_Instance instance,
                         iBase_EntityHandle entity_handle,
                         iBase_TagHandle** tag_handles,
                         int* tag_handles_allocated,
                         int* tag_handles_size,
                         int* err )
{
    iMesh_getAllTags( IMESH_INSTANCE( instance ), entity_handle, tag_handles, tag_handles_allocated, tag_handles_size,
                      err );
}

void FBiGeom_rmvTag( FBiGeom_Instance instance, iBase_EntityHandle entity_handle, iBase_TagHandle tag_handle, int* err )
{
    iMesh_rmvTag( IMESH_INSTANCE( instance ), entity_handle, tag_handle, err );
}

void FBiGeom_subtract( FBiGeom_Instance instance,
                       iBase_EntitySetHandle,
                       iBase_EntitySetHandle,
                       iBase_EntitySetHandle*,
                       int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_intersect( FBiGeom_Instance instance,
                        iBase_EntitySetHandle,
                        iBase_EntitySetHandle,
                        iBase_EntitySetHandle*,
                        int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_unite( FBiGeom_Instance instance,
                    iBase_EntitySetHandle,
                    iBase_EntitySetHandle,
                    iBase_EntitySetHandle*,
                    int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

// TODO methods not yet implemented
void FBiGeom_getEntClosestPtTrimmed( FBiGeom_Instance instance,
                                     iBase_EntityHandle,
                                     double,
                                     double,
                                     double,
                                     double*,
                                     double*,
                                     double*,
                                     int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getFcCvtrXYZ( FBiGeom_Instance instance,
                           iBase_EntityHandle,
                           double,
                           double,
                           double,
                           double*,
                           double*,
                           double*,
                           double*,
                           double*,
                           double*,
                           int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getEgCvtrXYZ( FBiGeom_Instance instance,
                           iBase_EntityHandle,
                           double,
                           double,
                           double,
                           double*,
                           double*,
                           double*,
                           int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getEntArrCvtrXYZ( FBiGeom_Instance instance,
                               iBase_EntityHandle const*,
                               int,
                               int,
                               double const*,
                               int,
                               double**,
                               int*,
                               int*,
                               double**,
                               int*,
                               int*,
                               int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getEgEvalXYZ( FBiGeom_Instance instance,
                           iBase_EntityHandle edge,
                           double x,
                           double y,
                           double z,
                           double* on_x,
                           double* on_y,
                           double* on_z,
                           double* tngt_i,
                           double* tngt_j,
                           double* tngt_k,
                           double* cvtr_i,
                           double* cvtr_j,
                           double* cvtr_k,
                           int* err )
{
    ErrorCode rval = FBE_cast( instance )
                         ->getEgEvalXYZ( (moab::EntityHandle)edge, x, y, z, *on_x, *on_y, *on_z, *tngt_i, *tngt_j,
                                         *tngt_k, *cvtr_i, *cvtr_j, *cvtr_k );CHKERR( rval, "can't get point on edge " );
    RETURN( iBase_SUCCESS );
}

void FBiGeom_getFcEvalXYZ( FBiGeom_Instance instance,
                           iBase_EntityHandle face_handle,
                           double x,
                           double y,
                           double z,
                           double* on_x,
                           double* on_y,
                           double* on_z,
                           double* nrml_i,
                           double* nrml_j,
                           double* nrml_k,
                           double* cvtr1_i,
                           double* cvtr1_j,
                           double* cvtr1_k,
                           double* cvtr2_i,
                           double* cvtr2_j,
                           double* cvtr2_k,
                           int* err )
{
    /*
      moab::ErrorCode rval = _fbEngine->getFcEvalXYZ( (moab::EntityHandle) face,
      x,  y, z,
      on_x, on_y, on_z,
      nrml_i, nrml_j, nrml_k,
      cvtr1_i, cvtr1_j, cvtr1_k,
      cvtr2_i, cvtr2_j,  cvtr2_k );*/
    // camal really does not use curvatures
    // the most it is calling for normals and for closest point
    // return all curvatures = 0 for the time being, because we
    // know camal is not requesting them

    *cvtr1_i = *cvtr1_j = *cvtr1_k = *cvtr2_i = *cvtr2_j = *cvtr2_k = 0.;
    // first get closest point, then normal, separately
    ErrorCode rval =
        FBE_cast( instance )->getEntClosestPt( (moab::EntityHandle)face_handle, x, y, z, on_x, on_y, on_z );CHKERR( rval, "can't get closest point on surface " );
    rval = FBE_cast( instance )
               ->getEntNrmlXYZ( (moab::EntityHandle)face_handle, x, y, z, nrml_i, nrml_j,
                                nrml_k );  // some inconsistency here, we use pointers, not refs
    CHKERR( rval, "can't get normal on closest point on surface " );
    RETURN( iBase_SUCCESS );
}

void FBiGeom_getArrEgEvalXYZ( FBiGeom_Instance instance,
                              iBase_EntityHandle const*,
                              int,
                              int,
                              double const*,
                              int,
                              double**,
                              int*,
                              int*,
                              double**,
                              int*,
                              int*,
                              double**,
                              int*,
                              int*,
                              int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getArrFcEvalXYZ( FBiGeom_Instance instance,
                              iBase_EntityHandle const*,
                              int,
                              int,
                              double const*,
                              int,
                              double**,
                              int*,
                              int*,
                              double**,
                              int*,
                              int*,
                              double**,
                              int*,
                              int*,
                              double**,
                              int*,
                              int*,
                              int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getPntClsf( FBiGeom_Instance instance, double, double, double, iBase_EntityHandle*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getPntArrClsf( FBiGeom_Instance instance,
                            int,
                            double const*,
                            int,
                            iBase_EntityHandle**,
                            int*,
                            int*,
                            int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getFacets( FBiGeom_Instance instance,
                        iBase_EntityHandle,
                        double,
                        double,
                        int,
                        int,
                        int,
                        int,
                        int,
                        int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}

void FBiGeom_getEntTolerance( FBiGeom_Instance instance, iBase_EntityHandle, double*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getArrTolerance( FBiGeom_Instance instance,
                              iBase_EntityHandle const*,
                              int,
                              double**,
                              int*,
                              int*,
                              int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}
void FBiGeom_getTolerance( FBiGeom_Instance instance, int*, double*, int* err )
{
    RETURN( iBase_NOT_SUPPORTED );
}