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path: root/java/examples/groups/H5Ex_G_Visit.java

	Commit message (Expand)	Author	Age	Files	Lines
*	[svn-r29226] HDFFV-9552: merge in java code.	Allen Byrne	2016-02-29	1	-0/+152

generated by cgit v0.12 at 2024-09-06 13:25:27 (GMT)

/*  
 * This shows how to use the hdf5 virtual file drivers.
 * The example codes here do not check return values for the
 * sake of simplicity.  As in all proper programs, return codes
 * should be checked.
 */
 
#include "hdf5.h"
#include "stdlib.h"

/* global variables */
int cleanup_g	=	-1;	/* whether to clean.  Init to not set. */

/* prototypes */
void cleanup(const char *);
void split_file(void);


/*
 * Cleanup a file unless $HDF5_NOCLEANUP is set.
 */
void
cleanup(const char *filename)
{
    if (cleanup_g == -1)
	cleanup_g = getenv("HDF5_NOCLEANUP") ? 0 : 1;
    if (cleanup_g)
	remove(filename);
}


/*
 * This shows how to use the split file driver.
 */
void
split_file(void)
{
    hid_t fapl, fid;

    /* Example 1: Both metadata and rawdata files are in the same  */
    /*    directory.   Use Station1-m.h5 and Station1-r.h5 as      */
    /*    the metadata and rawdata files.                          */
    fapl = H5Pcreate(H5P_FILE_ACCESS);
    H5Pset_fapl_split(fapl, "-m.h5", H5P_DEFAULT, "-r.h5", H5P_DEFAULT);
    fid=H5Fcreate("Station1",H5F_ACC_TRUNC,H5P_DEFAULT,fapl);
    /* using the file ... */
    H5Fclose(fid);
    H5Pclose(fapl);
    /* Remove files created */
    cleanup("Station1-m.h5");
    cleanup("Station1-r.h5");

    /* Example 2: metadata and rawdata files are in different      */
    /*    directories.  Use PointA-m.h5 and /tmp/PointA-r.h5 as    */
    /*    the metadata and rawdata files.                          */
    fapl = H5Pcreate(H5P_FILE_ACCESS);
    H5Pset_fapl_split(fapl, "-m.h5", H5P_DEFAULT, "/tmp/%s-r.h5", H5P_DEFAULT);
    fid=H5Fcreate("PointA",H5F_ACC_TRUNC,H5P_DEFAULT,fapl);
    /* using the file ... */
    H5Fclose(fid);
    H5Pclose(fapl);
    /* Remove files created */
    cleanup("PointA-m.h5");
    cleanup("/tmp/PointA-r.h5");

    /* Example 3: Using default extension names for the metadata   */
    /*    and rawdata files.  Use Measure.meta and Measure.raw as  */
    /*    the metadata and rawdata files.                          */
    fapl = H5Pcreate(H5P_FILE_ACCESS);
    H5Pset_fapl_split(fapl, NULL, H5P_DEFAULT, NULL, H5P_DEFAULT);
    fid=H5Fcreate("Measure",H5F_ACC_TRUNC,H5P_DEFAULT,fapl);
    /* using the file ... */
    H5Fclose(fid);
    H5Pclose(fapl);
    /* Remove files created */
    cleanup("Measure.meta");
    cleanup("Measure.raw");
}


/* Main Body */
int
main (void)
{
    
    split_file();

    return(0);
}