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/*
----------------------------------------------------------------------------
| Copyright (C) 1999 Emergent IT Inc. and Raytheon Systems Company |
----------------------------------------------------------------------------
*/
#include <HE5_HdfEosDef.h>
/*
* In this example we will (1) open the "Grid.h5" HDF-EOS file, (2) attach to
* the "UTMGrid" grid, and (3) define the external data field "ExtData".
*/
int main()
{
herr_t status = FAIL;
hid_t gdfid = FAIL;
hid_t GDid = FAIL;
off_t offset[3];
hsize_t size[3];
/* Open the file, "Grid.h5", using the H5F_ACC_RDWR access code */
/* ------------------------------------------------------------- */
gdfid = HE5_GDopen("Grid.h5", H5F_ACC_RDWR);
if (gdfid != FAIL)
{
/* Attach to the "UTMgrid" grid */
/* ---------------------------- */
GDid = HE5_GDattach(gdfid, "UTMGrid");
if (GDid != FAIL)
{
/* Set the data sizes and offsets in external files */
/* ------------------------------------------------ */
size[0] = 10 * sizeof(int); offset[0] = 0;
size[1] = 20 * sizeof(int); offset[1] = 40;
size[2] = 30 * sizeof(int); offset[2] = 80;
/* Set external data files first */
/* ----------------------------- */
status = HE5_GDsetextdata(GDid, "external_1g.data,external_2g.data,external_3g.data", offset, size);
printf("Status returned by HE5_GDsetextdata(...) : %d\n",status);
/* Define field containing external data */
/* ------------------------------------- */
status = HE5_GDdeffield(GDid, "ExtData", "ExtDim", NULL, H5T_NATIVE_INT, 0);
printf("Status returned by HE5_GDdeffield(...\"ExtData\",..) : %d\n",status);
}
}
/* Detach from the swath */
/* --------------------- */
status = HE5_GDdetach(GDid);
printf("Status returned by HE5_GDdetach(...) : %d\n",status);
/* Close the file */
/* -------------- */
status = HE5_GDclose(gdfid);
printf("Status returned by HE5_GDclose(...) : %d\n",status);
return 0;
}
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