lwcollection_filterm()

static LWCOLLECTION* lwcollection_filterm ( const LWCOLLECTION *  igeom, double  min, double  max, int  returnm  )

static

Definition at line 153 of file lwmval.c.

{
        LWDEBUGF(2, "Entered %s",__func__);
 
        uint32_t i;
 
        LWCOLLECTION *out = lwcollection_construct_empty(igeom->type, igeom->srid, FLAGS_GET_Z(igeom->flags),returnm * FLAGS_GET_M(igeom->flags));
 
        if( lwcollection_is_empty(igeom) )
                return out;
 
        for( i = 0; i < igeom->ngeoms; i++ )
        {
                LWGEOM *ngeom = lwgeom_filter_m_ignore_null(igeom->geoms[i],min, max,returnm);
                if ( ngeom ) out = lwcollection_add_lwgeom(out, ngeom);
        }
 
        return out;
}

References LWCOLLECTION::flags, FLAGS_GET_M, FLAGS_GET_Z, LWCOLLECTION::geoms, lwcollection_add_lwgeom(), lwcollection_construct_empty(), lwcollection_is_empty(), LWDEBUGF, lwgeom_filter_m_ignore_null(), LWCOLLECTION::ngeoms, LWCOLLECTION::srid, and LWCOLLECTION::type.

Referenced by lwgeom_filter_m_ignore_null().

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