Mesh Oriented datABase  (version 5.4.1)
Array-based unstructured mesh datastructure
Classes | Public Member Functions | Static Public Member Functions | Private Member Functions | Private Attributes
moab::SweptElementData Class Reference

#include <SweptElementData.hpp>

+ Inheritance diagram for moab::SweptElementData:
+ Collaboration diagram for moab::SweptElementData:

Classes

class  VertexDataRef
 structure to hold references to bounding vertex blocks More...

Public Member Functions

 SweptElementData (EntityHandle start_handle, const int imin, const int jmin, const int kmin, const int imax, const int jmax, const int kmax, const int *Cq)
 constructor
virtual ~SweptElementData ()
EntityHandle get_vertex (const HomCoord &coords) const
 get handle of vertex at homogeneous coords
EntityHandle get_vertex (int i, int j, int k) const
EntityHandle get_element (const int i, const int j, const int k) const
 get handle of element at i, j, k
const HomCoord & min_params () const
 get min params for this element
const HomCoord & max_params () const
 get max params for this element
void param_extents (int &di, int &dj, int &dk) const
 get the number of vertices in each direction, inclusive
ErrorCode get_params (const EntityHandle ehandle, int &i, int &j, int &k) const
 given a handle, get the corresponding parameters
int i_min () const
 convenience functions for parameter extents
int j_min () const
int k_min () const
int i_max () const
int j_max () const
int k_max () const
bool boundary_complete () const
 test the bounding vertex sequences and determine whether they fully define the vertices covering this element block's parameter space
bool contains (const HomCoord &coords) const
 test whether this sequence contains these parameters
ErrorCode get_params_connectivity (const int i, const int j, const int k, std::vector< EntityHandle > &connectivity) const
 get connectivity of an entity given entity's parameters
ErrorCode add_vsequence (SweptVertexData *vseq, const HomCoord &p1, const HomCoord &q1, const HomCoord &p2, const HomCoord &q2, const HomCoord &p3, const HomCoord &q3, bool bb_input=false, const HomCoord &bb_min=HomCoord::unitv[0], const HomCoord &bb_max=HomCoord::unitv[0])
 add a vertex seq ref to this element sequence; if bb_input is true, bounding box (in eseq-local coords) of vseq being added is input in bb_min and bb_max (allows partial sharing of vseq rather than the whole vseq); if it's false, the whole vseq is referenced and the eseq-local coordinates is computed from the transformed bounding box of the vseq
SequenceData * subset (EntityHandle start, EntityHandle end, const int *sequence_data_sizes, const int *tag_data_sizes) const
unsigned long get_memory_use () const

Static Public Member Functions

static EntityID calc_num_entities (EntityHandle start_handle, int irange, int jrange, int krange)

Private Member Functions

 SweptElementData ()
 bare constructor, so compiler doesn't create one for me

Private Attributes

HomCoord elementParams [3]
 parameter min/max/stride, in homogeneous coords ijkh
int dIJK [3]
 difference between max and min params plus one (i.e. # VERTICES in each parametric direction)
int dIJKm1 [3]
 difference between max and min params (i.e. # ELEMENTS in each parametric direction)
std::vector< VertexDataRef > vertexSeqRefs
 list of bounding vertex blocks

Detailed Description

Definition at line 43 of file SweptElementData.hpp.

Constructor & Destructor Documentation

moab::SweptElementData::SweptElementData ( ) [private]

bare constructor, so compiler doesn't create one for me

moab::SweptElementData::SweptElementData ( EntityHandle  start_handle,
const int  imin,
const int  jmin,
const int  kmin,
const int  imax,
const int  jmax,
const int  kmax,
const int *  Cq 
)

constructor

Definition at line 50 of file SweptElementData.cpp.

References dIJK, dIJKm1, and elementParams.

    : SequenceData( 0, shandle, shandle + calc_num_entities( shandle, imax - imin, jmax - jmin, kmax - kmin ) - 1 )
{
    // need to have meaningful parameters
    assert( imax >= imin && jmax >= jmin && kmax >= kmin );

    elementParams[0] = HomCoord( imin, jmin, kmin );
    elementParams[1] = HomCoord( imax, jmax, kmax );
    elementParams[2] = HomCoord( 1, 1, 1 );

    // assign and compute parameter stuff
    dIJK[0]   = elementParams[1][0] - elementParams[0][0] + 1;
    dIJK[1]   = elementParams[1][1] - elementParams[0][1] + 1;
    dIJK[2]   = elementParams[1][2] - elementParams[0][2] + 1;
    dIJKm1[0] = dIJK[0] - 1;
    dIJKm1[1] = dIJK[1] - 1;
    dIJKm1[2] = dIJK[2] - 1;
}
moab::SweptElementData::~SweptElementData ( ) [virtual]

Definition at line 76 of file SweptElementData.cpp.

{}

Member Function Documentation

ErrorCode moab::SweptElementData::add_vsequence ( SweptVertexData *  vseq,
const HomCoord &  p1,
const HomCoord &  q1,
const HomCoord &  p2,
const HomCoord &  q2,
const HomCoord &  p3,
const HomCoord &  q3,
bool  bb_input = false,
const HomCoord &  bb_min = HomCoord::unitv[0],
const HomCoord &  bb_max = HomCoord::unitv[0] 
) [inline]

add a vertex seq ref to this element sequence; if bb_input is true, bounding box (in eseq-local coords) of vseq being added is input in bb_min and bb_max (allows partial sharing of vseq rather than the whole vseq); if it's false, the whole vseq is referenced and the eseq-local coordinates is computed from the transformed bounding box of the vseq

Definition at line 266 of file SweptElementData.hpp.

References moab::SweptVertexData::max_params(), MB_SUCCESS, moab::SweptVertexData::min_params(), moab::HomXform::three_pt_xform(), and vertexSeqRefs.

{
    // compute the transform given the vseq-local parameters and the mapping to
    // this element sequence's parameters passed in minmax
    HomXform M;
    M.three_pt_xform( p1, q1, p2, q2, p3, q3 );

    // min and max in element seq's parameter system may not be same as those in
    // vseq's system, so need to take min/max

    HomCoord minmax[2];
    if( bb_input )
    {
        minmax[0] = bb_min;
        minmax[1] = bb_max;
    }
    else
    {
        minmax[0] = vseq->min_params() * M;
        minmax[1] = vseq->max_params() * M;
    }

    // check against other vseq's to make sure they don't overlap
    for( std::vector< VertexDataRef >::const_iterator vsit = vertexSeqRefs.begin(); vsit != vertexSeqRefs.end();
         ++vsit )
        if( ( *vsit ).contains( minmax[0] ) || ( *vsit ).contains( minmax[1] ) ) return MB_FAILURE;

    HomCoord tmp_min( std::min( minmax[0].i(), minmax[1].i() ), std::min( minmax[0].j(), minmax[1].j() ),
                      std::min( minmax[0].k(), minmax[1].k() ) );
    HomCoord tmp_max( std::max( minmax[0].i(), minmax[1].i() ), std::max( minmax[0].j(), minmax[1].j() ),
                      std::max( minmax[0].k(), minmax[1].k() ) );

    // set up a new vertex sequence reference
    VertexDataRef tmp_seq_ref( tmp_min, tmp_max, M, vseq );

    // add to the list
    vertexSeqRefs.push_back( tmp_seq_ref );

    return MB_SUCCESS;
}
bool moab::SweptElementData::boundary_complete ( ) const

test the bounding vertex sequences and determine whether they fully define the vertices covering this element block's parameter space

Definition at line 78 of file SweptElementData.cpp.

References elementParams, moab::HomCoord::unitv, and vertexSeqRefs.

Referenced by get_vertex().

{
    // test the bounding vertex sequences to see if they fully define the
    // vertex parameter space for this rectangular block of elements

    int p;
    std::vector< VertexDataRef > minlist, maxlist;

    // pseudo code:
    // for each vertex sequence v:
    for( std::vector< VertexDataRef >::const_iterator vseq = vertexSeqRefs.begin(); vseq != vertexSeqRefs.end();
         ++vseq )
    {
        //   test min corner mincorner:
        bool mincorner = true;
        //   for each p = (i-1,j,k), (i,j-1,k), (i,j,k-1):
        for( p = 0; p < 3; p++ )
        {

            //     for each vsequence v' != v:
            for( std::vector< VertexDataRef >::const_iterator othervseq = vertexSeqRefs.begin();
                 othervseq != vertexSeqRefs.end(); ++othervseq )
            {
                if( othervseq == vseq ) continue;
                //       if v.min-p contained in v'
                if( ( *othervseq ).contains( ( *vseq ).minmax[0] - HomCoord::unitv[p] ) )
                {
                    //         mincorner = false
                    mincorner = false;
                    break;
                }
            }
            if( !mincorner ) break;
        }

        bool maxcorner = true;
        //   for each p = (i-1,j,k), (i,j-1,k), (i,j,k-1):
        for( p = 0; p < 3; p++ )
        {

            //     for each vsequence v' != v:
            for( std::vector< VertexDataRef >::const_iterator othervseq = vertexSeqRefs.begin();
                 othervseq != vertexSeqRefs.end(); ++othervseq )
            {
                if( othervseq == vseq ) continue;
                //       if v.max+p contained in v'
                if( ( *othervseq ).contains( ( *vseq ).minmax[1] + HomCoord::unitv[p] ) )
                {
                    //         maxcorner = false
                    maxcorner = false;
                    break;
                }
            }
            if( !maxcorner ) break;
        }

        //   if mincorner add to min corner list minlist
        if( mincorner ) minlist.push_back( *vseq );
        //   if maxcorner add to max corner list maxlist
        if( maxcorner ) maxlist.push_back( *vseq );
    }

    //
    // if minlist.size = 1 & maxlist.size = 1 & minlist[0] = esequence.min &
    //         maxlist[0] = esequence.max+(1,1,1)
    if( minlist.size() == 1 && maxlist.size() == 1 && minlist[0].minmax[0] == elementParams[0] &&
        maxlist[0].minmax[1] == elementParams[1] )
        //   complete
        return true;
    // else

    return false;
}
EntityID moab::SweptElementData::calc_num_entities ( EntityHandle  start_handle,
int  irange,
int  jrange,
int  krange 
) [static]

Definition at line 27 of file SweptElementData.cpp.

References dim, moab::CN::Dimension(), and moab::TYPE_FROM_HANDLE().

{
    size_t result = 1;
    auto dim      = CN::Dimension( TYPE_FROM_HANDLE( start_handle ) );
    switch( dim )
    {
        case 3:
            result *= krange;
            // fall through
        case 2:
            result *= jrange;
            // fall through
        case 1:
            result *= irange;
            break;
        default:
            result = 0;
            assert( false );
            break;
    }
    return result;
}
bool moab::SweptElementData::contains ( const HomCoord &  coords) const [inline]

test whether this sequence contains these parameters

Definition at line 225 of file SweptElementData.hpp.

References elementParams.

Referenced by get_params_connectivity().

{
    // upper bound is < instead of <= because element params max is one less
    // than vertex params max
    return ( temp >= elementParams[0] && temp < elementParams[1] );
}
EntityHandle moab::SweptElementData::get_element ( const int  i,
const int  j,
const int  k 
) const [inline]

get handle of element at i, j, k

Definition at line 180 of file SweptElementData.hpp.

References dIJKm1, i_min(), j_min(), k_min(), and moab::SequenceData::start_handle().

{
    return start_handle() + ( i - i_min() ) + ( j - j_min() ) * dIJKm1[0] + ( k - k_min() ) * dIJKm1[0] * dIJKm1[1];
}
unsigned long moab::SweptElementData::get_memory_use ( ) const

Definition at line 160 of file SweptElementData.cpp.

References vertexSeqRefs.

{
    return sizeof( *this ) + vertexSeqRefs.capacity() * sizeof( VertexDataRef );
}
ErrorCode moab::SweptElementData::get_params ( const EntityHandle  ehandle,
int &  i,
int &  j,
int &  k 
) const [inline]

given a handle, get the corresponding parameters

Definition at line 203 of file SweptElementData.hpp.

References dIJKm1, elementParams, moab::HomCoord::i(), i_max(), i_min(), moab::HomCoord::j(), j_max(), j_min(), moab::HomCoord::k(), k_max(), k_min(), MB_SUCCESS, moab::SequenceData::size(), moab::SequenceData::start_handle(), and moab::TYPE_FROM_HANDLE().

{
    if( TYPE_FROM_HANDLE( ehandle ) != TYPE_FROM_HANDLE( start_handle() ) ) return MB_FAILURE;

    int hdiff = ehandle - start_handle();

    // use double ?: test below because on some platforms, both sides of the : are
    // evaluated, and if dIJKm1[1] is zero, that'll generate a divide-by-zero
    k = ( dIJKm1[1] > 0 ? hdiff / ( dIJKm1[1] > 0 ? dIJKm1[0] * dIJKm1[1] : 1 ) : 0 );
    j = ( hdiff - ( k * dIJKm1[0] * dIJKm1[1] ) ) / dIJKm1[0];
    i = hdiff % dIJKm1[0];

    k += elementParams[0].k();
    j += elementParams[0].j();
    i += elementParams[0].i();

    return ( ehandle >= start_handle() && ehandle < start_handle() + size() && i >= i_min() && i <= i_max() &&
             j >= j_min() && j <= j_max() && k >= k_min() && k <= k_max() )
               ? MB_SUCCESS
               : MB_FAILURE;
}
ErrorCode moab::SweptElementData::get_params_connectivity ( const int  i,
const int  j,
const int  k,
std::vector< EntityHandle > &  connectivity 
) const [inline]

get connectivity of an entity given entity's parameters

Definition at line 316 of file SweptElementData.hpp.

References contains(), moab::CN::Dimension(), get_vertex(), MB_SUCCESS, moab::SequenceData::start_handle(), and moab::TYPE_FROM_HANDLE().

{
    if( contains( HomCoord( i, j, k ) ) == false ) return MB_FAILURE;

    connectivity.push_back( get_vertex( i, j, k ) );
    connectivity.push_back( get_vertex( i + 1, j, k ) );
    if( CN::Dimension( TYPE_FROM_HANDLE( start_handle() ) ) < 2 ) return MB_SUCCESS;
    connectivity.push_back( get_vertex( i + 1, j + 1, k ) );
    connectivity.push_back( get_vertex( i, j + 1, k ) );
    if( CN::Dimension( TYPE_FROM_HANDLE( start_handle() ) ) < 3 ) return MB_SUCCESS;
    connectivity.push_back( get_vertex( i, j, k + 1 ) );
    connectivity.push_back( get_vertex( i + 1, j, k + 1 ) );
    connectivity.push_back( get_vertex( i + 1, j + 1, k + 1 ) );
    connectivity.push_back( get_vertex( i, j + 1, k + 1 ) );
    return MB_SUCCESS;
}
EntityHandle moab::SweptElementData::get_vertex ( const HomCoord &  coords) const [inline]

get handle of vertex at homogeneous coords

Definition at line 247 of file SweptElementData.hpp.

References boundary_complete(), and vertexSeqRefs.

Referenced by get_params_connectivity(), and get_vertex().

{
    assert( boundary_complete() );
    for( std::vector< VertexDataRef >::const_iterator it = vertexSeqRefs.begin(); it != vertexSeqRefs.end(); ++it )
    {
        if( ( *it ).minmax[0] <= coords && ( *it ).minmax[1] >= coords )
        {
            // first get the vertex block-local parameters
            HomCoord local_coords = coords / ( *it ).xform;

            // now get the vertex handle for those coords
            return ( *it ).srcSeq->get_vertex( local_coords );
        }
    }

    // got here, it's an error
    return 0;
}
EntityHandle moab::SweptElementData::get_vertex ( int  i,
int  j,
int  k 
) const [inline]

Definition at line 95 of file SweptElementData.hpp.

References get_vertex().

    {
        return get_vertex( HomCoord( i, j, k ) );
    }
int moab::SweptElementData::i_max ( ) const [inline]

Definition at line 128 of file SweptElementData.hpp.

References elementParams.

Referenced by get_params().

    {
        return ( elementParams[1].hom_coord() )[0];
    }
int moab::SweptElementData::i_min ( ) const [inline]

convenience functions for parameter extents

Definition at line 116 of file SweptElementData.hpp.

References elementParams.

Referenced by get_element(), and get_params().

    {
        return ( elementParams[0].hom_coord() )[0];
    }
int moab::SweptElementData::j_max ( ) const [inline]

Definition at line 132 of file SweptElementData.hpp.

References elementParams.

Referenced by get_params().

    {
        return ( elementParams[1].hom_coord() )[1];
    }
int moab::SweptElementData::j_min ( ) const [inline]

Definition at line 120 of file SweptElementData.hpp.

References elementParams.

Referenced by get_element(), and get_params().

    {
        return ( elementParams[0].hom_coord() )[1];
    }
int moab::SweptElementData::k_max ( ) const [inline]

Definition at line 136 of file SweptElementData.hpp.

References elementParams.

Referenced by get_params().

    {
        return ( elementParams[1].hom_coord() )[2];
    }
int moab::SweptElementData::k_min ( ) const [inline]

Definition at line 124 of file SweptElementData.hpp.

References elementParams.

Referenced by get_element(), and get_params().

    {
        return ( elementParams[0].hom_coord() )[2];
    }
const HomCoord & moab::SweptElementData::max_params ( ) const [inline]

get max params for this element

Definition at line 190 of file SweptElementData.hpp.

References elementParams.

{
    return elementParams[1];
}
const HomCoord & moab::SweptElementData::min_params ( ) const [inline]

get min params for this element

Definition at line 185 of file SweptElementData.hpp.

References elementParams.

{
    return elementParams[0];
}
void moab::SweptElementData::param_extents ( int &  di,
int &  dj,
int &  dk 
) const [inline]

get the number of vertices in each direction, inclusive

Definition at line 196 of file SweptElementData.hpp.

References dIJK.

{
    di = dIJK[0];
    dj = dIJK[1];
    dk = dIJK[2];
}
SequenceData * moab::SweptElementData::subset ( EntityHandle  start,
EntityHandle  end,
const int *  sequence_data_sizes,
const int *  tag_data_sizes 
) const

Definition at line 152 of file SweptElementData.cpp.

{
    return 0;
}

Member Data Documentation

int moab::SweptElementData::dIJK[3] [private]

difference between max and min params plus one (i.e. # VERTICES in each parametric direction)

Definition at line 68 of file SweptElementData.hpp.

Referenced by param_extents(), and SweptElementData().

int moab::SweptElementData::dIJKm1[3] [private]

difference between max and min params (i.e. # ELEMENTS in each parametric direction)

Definition at line 72 of file SweptElementData.hpp.

Referenced by get_element(), get_params(), and SweptElementData().

HomCoord moab::SweptElementData::elementParams[3] [private]

parameter min/max/stride, in homogeneous coords ijkh

Definition at line 64 of file SweptElementData.hpp.

Referenced by boundary_complete(), contains(), get_params(), i_max(), i_min(), j_max(), j_min(), k_max(), k_min(), max_params(), min_params(), and SweptElementData().

std::vector< VertexDataRef > moab::SweptElementData::vertexSeqRefs [private]

list of bounding vertex blocks

Definition at line 78 of file SweptElementData.hpp.

Referenced by add_vsequence(), boundary_complete(), get_memory_use(), and get_vertex().

List of all members.

The documentation for this class was generated from the following files:
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