/**
- FUNCTION: GetResult
- FUNCTIONALITY: Computes the function evaluador on all the blobs of the class
and returns a vector with the result
- PARAMETERS:
- evaluador: function to apply to each blob (any object derived from the
COperadorBlob class )
- RESULT:
- vector with all the results in the same order as the blobs
- RESTRICTIONS:
- AUTHOR: Ricard Borràs
- CREATION DATE: 25-05-2005.
- MODIFICATION: Date. Author. Description.
*/
double_stl_vector CBlobResult::GetSTLResult( funcio_calculBlob *evaluador ) const
{
if( GetNumBlobs() <= 0 )
{
return double_stl_vector();
}
// definim el resultat
double_stl_vector result = double_stl_vector( GetNumBlobs() );
// i iteradors sobre els blobs i el resultat
double_stl_vector::iterator itResult = result.begin();
blob_vector::const_iterator itBlobs = m_blobs.begin();
// avaluem la funció en tots els blobs
while( itBlobs != m_blobs.end() )
{
*itResult = (*evaluador)(**itBlobs);
itBlobs++;
itResult++;
}
return result;
}
/*
- FUNCTION: GetNthBlob
- FUNCTIONALITY: Gets the n-th blob ordering first the blobs with some criteria
- PARAMETERS:
- criteri: criteria to order the blob array
- nBlob: index of the returned blob in the ordered blob array
- dst: where to store the result
- RESULT:
- RESTRICTIONS:
- AUTHOR: Ricard Borr�s
- CREATION DATE: 25-05-2005.
- MODIFICATION: Date. Author. Description.
*/
void CBlobResult::GetNthBlob( funcio_calculBlob* criteri, int nBlob, CBlob& dst ) const
{
// verifiquem que no estem accedint fora el vector de blobs
if ( nBlob < 0 || nBlob >= GetNumBlobs() )
{
//RaiseError( EXCEPTION_BLOB_OUT_OF_BOUNDS );
dst = CBlob();
return;
}
double_stl_vector avaluacioBlobs, avaluacioBlobsOrdenat;
double valorEnessim;
//avaluem els blobs amb la funci� pertinent
avaluacioBlobs = GetSTLResult(criteri);
avaluacioBlobsOrdenat = double_stl_vector( GetNumBlobs() );
// obtenim els nBlob primers resultats (en ordre descendent)
std::partial_sort_copy( avaluacioBlobs.begin(),
avaluacioBlobs.end(),
avaluacioBlobsOrdenat.begin(),
avaluacioBlobsOrdenat.end(),
std::greater<double>() );
valorEnessim = avaluacioBlobsOrdenat[nBlob];
// busquem el primer blob que t� el valor n-ssim
double_stl_vector::const_iterator itAvaluacio = avaluacioBlobs.begin();
bool trobatBlob = false;
int indexBlob = 0;
while ( itAvaluacio != avaluacioBlobs.end() && !trobatBlob )
{
if ( *itAvaluacio == valorEnessim )
{
trobatBlob = true;
dst = CBlob( GetBlob(indexBlob));
}
++itAvaluacio;
++indexBlob;
}
}