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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", and (3) write data to the "Vegetation" field. We will
* then attach to the "PolarGrid" and write to the "Temperature" field.
*/
int main()
{
herr_t status = FAIL;
int i, j;
int grpattr[3] = {3,7,11}; /* group attr */
hid_t gdfid = FAIL;
hid_t GDid = FAIL;
float flt = 3.1415; /* global attr */
float attr[4] = {1.1,2.2,3.3,4.4}; /* local attr */
float veg[200][120];
float temp[100][100];
hssize_t start[3];
hsize_t edge[3];
/* Fill veg array */
for (i = 0; i < 200; i++)
for (j = 0; j < 120; j++)
veg[i][j] = (float)(10+i);
/* Fill temp array */
for (i = 0; i < 100; i++)
for (j = 0; j < 100; j++)
temp[i][j] = (float)(100*i+j);
/*
* Open the HDF grid file, "Grid.h5".
*/
gdfid = HE5_GDopen("Grid.h5", H5F_ACC_RDWR);
if (gdfid != FAIL)
{
/*
* Attach the "UTMGrid".
*/
GDid = HE5_GDattach(gdfid, "UTMGrid");
if (GDid != FAIL)
{
/* Data Field "Vegetation" */
/* ---------------------- */
start[0] = 0; start[1] = 0;
edge[0] = 200; edge[1] = 120;
status = HE5_GDwritefield(GDid, "Vegetation", start, NULL, edge, veg);
printf("Status returned by HE5_GDwritefield() : %d \n", status);
/* Global attribute */
/* ---------------- */
edge[0] = 1;
status = HE5_GDwriteattr(GDid, "GlobalAttribute", H5T_NATIVE_FLOAT, edge, &flt);
printf("Status returned by HE5_GDwriteattr() : %d \n", status);
/* Group attribute */
/* --------------- */
edge[0] = 3;
status = HE5_GDwritegrpattr(GDid, "GroupAttribute", H5T_NATIVE_INT, edge, grpattr);
printf("Status returned by HE5_GDwritegrpattr() : %d \n", status);
/* Local attribute */
/* --------------- */
edge[0] = 4;
status = HE5_GDwritelocattr(GDid, "Vegetation", "LocalAttribute", H5T_NATIVE_FLOAT, edge, attr);
printf("Status returned by HE5_GDwritelocattr() : %d \n", status);
}
status = HE5_GDdetach(GDid);
GDid = HE5_GDattach(gdfid, "PolarGrid");
if (GDid != FAIL)
{
/* Data field "Temperature" */
/* ----------------------- */
start[0] = 0; start[1] = 0;
edge[0] = 100; edge[1] = 100;
status = HE5_GDwritefield(GDid, "Temperature", start, NULL, edge, temp);
printf("Status returned by HE5_GDwritefield() : %d \n", status);
}
status = HE5_GDdetach(GDid);
}
status = HE5_GDclose(gdfid);
return 0;
}
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