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"

#include <stdlib.h>

#include <string.h>

​

#define DATA_FILE1   "image8.txt"

#define DATA_FILE2   "image24pixel.txt"

#define IMAGE1_NAME  "image8bit"

#define IMAGE2_NAME  "image24bitpixel"

#define PAL_NAME     "palette"

#define PAL_ENTRIES  256

​

static int    read_data(const char* file_name, hsize_t *width, hsize_t *height );

unsigned char *gbuf = NULL;  /* global buffer for image data */

​

int main( void )

{

 hid_t          file_id;                       /* HDF5 file identifier */

 hsize_t        width;                         /* width of image */

 hsize_t        height;                        /* height of image */

 unsigned char  pal[ PAL_ENTRIES * 3 ];        /* palette array */

 hsize_t        pal_dims[2] = {PAL_ENTRIES,3}; /* palette dimensions */

 herr_t         i, n;

​

 /* create a new HDF5 file using default properties. */

 file_id = H5Fcreate( "ex_image2.h5", H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT );

​

 /* read first data file */

 if (read_data(DATA_FILE1,&width,&height)<0)

  goto out;

​

 /* make the image */

 H5IMmake_image_8bit( file_id, IMAGE1_NAME, width, height, gbuf );

 if (gbuf) {

    free(gbuf);

    gbuf = NULL;

 }

​