C++ (Cpp) SHPGetSubNodeOffset Exemples

Exemple #1

Fichier : shptree.c Projet : carlosvKC/iRp2

static int SHPGetSubNodeOffset( SHPTreeNode *node) 
{
    int i;
    long offset=0;

    for(i=0; i<node->nSubNodes; i++ ) 
    {
        if(node->apsSubNode[i]) 
        {
            offset += 4*sizeof(double) 
                + (node->apsSubNode[i]->nShapeCount+3)*sizeof(int);
            offset += SHPGetSubNodeOffset(node->apsSubNode[i]);
        }
    }

    return(offset);
}

Exemple #2

Fichier : shptree.c Projet : bbradbury/lib_gdal

static void SHPWriteTreeNode( SAFile fp, SHPTreeNode *node, SAHooks* psHooks)
{
    int i,j;
    int offset;
    unsigned char *pabyRec = NULL;
    assert( NULL != node );

    offset = SHPGetSubNodeOffset(node);

    pabyRec = (unsigned char *)
        malloc(sizeof(double) * 4
               + (3 * sizeof(int)) + (node->nShapeCount * sizeof(int)) );
    if( NULL == pabyRec )
    {
#ifdef USE_CPL
        CPLError( CE_Fatal, CPLE_OutOfMemory, "Memory allocation failure");
#endif
        assert( 0 );
        return;
    }

    memcpy( pabyRec, &offset, 4);

    /* minx, miny, maxx, maxy */
    memcpy( pabyRec+ 4, node->adfBoundsMin+0, sizeof(double) );
    memcpy( pabyRec+12, node->adfBoundsMin+1, sizeof(double) );
    memcpy( pabyRec+20, node->adfBoundsMax+0, sizeof(double) );
    memcpy( pabyRec+28, node->adfBoundsMax+1, sizeof(double) );

    memcpy( pabyRec+36, &node->nShapeCount, 4);
    j = node->nShapeCount * sizeof(int);
    if( j )
        memcpy( pabyRec+40, node->panShapeIds, j);
    memcpy( pabyRec+j+40, &node->nSubNodes, 4);

    psHooks->FWrite( pabyRec, 44+j, 1, fp );
    free (pabyRec);

    for(i=0; i<node->nSubNodes; i++ )
    {
        if(node->apsSubNode[i])
            SHPWriteTreeNode( fp, node->apsSubNode[i], psHooks);
    }
}

Exemple #3

Fichier : shptree.c Projet : carlosvKC/iRp2

static void SHPWriteTreeNode( FILE *fp, SHPTreeNode *node) 
{
    int i,j;
    int offset;
    unsigned char *pabyRec = NULL;
    assert( NULL != node );

    offset = SHPGetSubNodeOffset(node);
  
    pabyRec = (unsigned char *) 
        malloc(sizeof(double) * 4
               + (3 * sizeof(int)) + (node->nShapeCount * sizeof(int)) );
    if( NULL == pabyRec )
    {
        assert( 0 );
        return;
    }

    memcpy( pabyRec, &offset, 4);

    /* minx, miny, maxx, maxy */
    memcpy( pabyRec+ 4, node->adfBoundsMin+0, sizeof(double) );
    memcpy( pabyRec+12, node->adfBoundsMin+1, sizeof(double) );
    memcpy( pabyRec+20, node->adfBoundsMax+0, sizeof(double) );
    memcpy( pabyRec+28, node->adfBoundsMax+1, sizeof(double) );

    memcpy( pabyRec+36, &node->nShapeCount, 4);
    j = node->nShapeCount * sizeof(int);
    memcpy( pabyRec+40, node->panShapeIds, j);
    memcpy( pabyRec+j+40, &node->nSubNodes, 4);

    fwrite( pabyRec, 44+j, 1, fp );
    free (pabyRec);
  
    for(i=0; i<node->nSubNodes; i++ ) 
    {
        if(node->apsSubNode[i])
            SHPWriteTreeNode( fp, node->apsSubNode[i]);
    }
}