hdf5_chunking_query_bmr

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

 * Copyright by The HDF Group.                                               *

 * Copyright by the Board of Trustees of the University of Illinois.         *

 * All rights reserved.                                                      *

 *                                                                           *

 * This file is part of HDF5.  The full HDF5 copyright notice, including     *

 * terms governing use, modification, and redistribution, is contained in    *

 * the COPYING file, which can be found at the root of the source code       *

 * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.  *

 * If you do not have access to either file, you may request a copy from     *

 * help@hdfgroup.org.                                                        *

 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

​

#include "hdf5.h"

#include "hdf5_hl.h"

​

#define WIDTH         400

#define HEIGHT        200

#define PAL_ENTRIES   9

unsigned char buf [ WIDTH*HEIGHT ];

​

int main( void )

{

 hid_t         file_id;

 hsize_t       pal_dims[] = {PAL_ENTRIES,3};

 size_t        i, j;

 int           n, space;

 unsigned char pal[PAL_ENTRIES*3] = {  /* create a palette with 9 colors */

 0,0,168,      /* dark blue */

 0,0,252,      /* blue */

 0,168,252,    /* ocean blue */

 84,252,252,   /* light blue */

 168,252,168,  /* light green */

 0,252,168,    /* green */

 252,252,84,   /* yellow */

 252,168,0,    /* orange */

 252,0,0};     /* red */

​

 /* create an image of 9 values divided evenly by the array */

 space = WIDTH*HEIGHT / PAL_ENTRIES;

 for (i=0, j=0, n=0; i < WIDTH*HEIGHT; i++, j++ )

 {

  buf[i] = n;

  if ( j > space )

  {

   n++;

   j=0;

  }

  if (n>PAL_ENTRIES-1) n=0;

 }

​