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/*
----------------------------------------------------------------------------
| Copyright (C) 1999 Emergent IT Inc. and Raytheon Systems Company |
----------------------------------------------------------------------------
*/
#include <HE5_HdfEosDef.h>
/*
* In this example we will retrieve information about (1) dimensions,
* (2) dimension mappings (geolocation relations), (3) grid fields,
* and (4) (global/group/local) grid attributes.
*/
int main()
{
herr_t status = FAIL;
int i, rank[32], tilerank;
int projcode, zonecode, spherecode, tilecode;
int ndim = FAIL, nflds = FAIL;
hid_t gdfid = FAIL;
hid_t GDid1 = FAIL;
hid_t GDid2 = FAIL;
hid_t *ntype;
hid_t *ntype1;
hsize_t Dims[32], dimsize, count = 0, tiledims[8];
long xdimsize, ydimsize, n, strbufsize;
double upleftpt[2], lowrightpt[2], projparm[16];
char version[80];
char dimname[1024], fieldlist[1024];
char attrlist[80];
int level[ 5 ] = { 0, 0, 0, 0, 0 };
int code = 0;
/*
* Open the Grid File for read only access
*/
gdfid = HE5_GDopen("Grid.h5", H5F_ACC_RDONLY);
if (gdfid != FAIL)
{
HE5_EHgetversion(gdfid,version);
printf("Version: \"%s\" \n", version);
/* Attach the grid */
GDid1 = HE5_GDattach(gdfid, "UTMGrid");
GDid2 = HE5_GDattach(gdfid, "PolarGrid");
ndim = HE5_GDinqdims(GDid1, dimname, Dims);
printf("Dimension list (UTMGrid): %s\n", dimname);
for (i = 0; i < ndim; i++) printf("dim size: %li \n", (long)Dims[i]);
ndim = HE5_GDinqdims(GDid2, dimname, Dims);
printf("Dimension list (PolarGrid): %s\n", dimname);
for (i = 0; i < ndim; i++) printf("dim size: %li \n", (long)Dims[i]);
dimsize = HE5_GDdiminfo(GDid1, "Time");
printf("Size of \"Time\" Array: %lu\n", (unsigned long)dimsize);
dimsize = HE5_GDdiminfo(GDid2, "Bands");
printf("Size of \"Bands\" Array: %lu\n", (unsigned long)dimsize);
status = HE5_GDgridinfo(GDid1, &xdimsize, &ydimsize,upleftpt, lowrightpt);
printf("X dim size, Y dim size (UTMGrid): %li %li\n", xdimsize, ydimsize);
printf("Up left pt (UTMGrid): %lf %lf\n", upleftpt[0], upleftpt[1]);
printf("Low right pt (UTMGrid): %lf %lf\n", lowrightpt[0], lowrightpt[1]);
status = HE5_GDgridinfo(GDid2, &xdimsize, &ydimsize, upleftpt, lowrightpt);
printf("X dim size, Y dim size (PolarGrid): %li %li\n", xdimsize, ydimsize);
printf("Up left pt (PolarGrid): %lf %lf\n", upleftpt[0], upleftpt[1]);
printf("Low right pt (PolarGrid): %lf %lf\n", lowrightpt[0], lowrightpt[1]);
status = HE5_GDprojinfo(GDid1, &projcode, &zonecode, &spherecode, NULL);
printf("projcode , zonecode (UTMGrid): %d %d\n", projcode, zonecode);
printf("spherecode (UTMGrid): %d\n", spherecode);
status = HE5_GDprojinfo(GDid2, &projcode, NULL, &spherecode, projparm);
printf("projcode (PolarGrid): %d\n", projcode);
printf("spherecode (PolarGrid): %d\n", spherecode);
for (i = 0; i < 13; i++)
printf("Projection Parameter: %d %lf\n",i,projparm[i]);
ntype1 = (hid_t *)calloc(10, sizeof(hid_t));
nflds = HE5_GDinqfields(GDid1, fieldlist, rank, ntype1);
if (nflds != FAIL)
{
printf("Data fields (UTMGrid): %s\n", fieldlist);
for (i = 0; i < nflds;i++)
printf("Rank: %i Data type: %i\n",rank[i], (int)ntype1[i]);
}
nflds = HE5_GDinqfields(GDid2, fieldlist, rank, ntype1);
if (nflds != FAIL)
{
printf("Data fields (PolarGrid): %s\n", fieldlist);
for (i = 0; i < nflds;i++)
printf("Rank: %i Data type: %i\n",rank[i],(int)ntype1[i]);
}
status = HE5_GDfieldinfo(GDid2, "Spectra", rank, Dims, ntype1, dimname, NULL);
printf("Spectra rank: %d\n",rank[0]);
printf("Spectra dimensions: \n");
for (i = 0; i < rank[0]; i++)
printf(" %lu\n",(unsigned long)Dims[i]);
printf("Spectra dimension list: \n");
printf(" %s\n", dimname);
ntype = (hid_t *)calloc(10, sizeof(hid_t));
printf(" \n");
printf("Global Attributes \n");
status = HE5_GDattrinfo(GDid1, "GlobalAttribute", ntype, &count);
printf("\tNumber of attribute elements: %lu \n", (unsigned long)count);
printf("\tData type of attribute: %d \n", (int)*ntype);
printf(" \n");
printf("Group Attributes \n");
status = HE5_GDgrpattrinfo(GDid1, "GroupAttribute", ntype, &count);
printf("\tNumber of attribute elements: %lu \n", (unsigned long)count);
printf("\tData type of attribute: %d \n", (int)*ntype);
printf(" \n");
printf("Local Attributes \n");
status = HE5_GDlocattrinfo(GDid1, "Vegetation", "LocalAttribute", ntype, &count);
printf("\tNumber of attribute elements: %lu \n", (unsigned long)count);
printf("\tData type of attribute: %d \n", (int)*ntype);
printf(" \n");
printf("Global Attributes \n");
n = HE5_GDinqattrs(GDid1, NULL, &strbufsize);
printf("\tNumber of attributes: %li \n", n);
printf("\tSize of attribute list: %li \n", strbufsize);
n = HE5_GDinqattrs(GDid1, attrlist, &strbufsize);
printf("\tAttribute list: %s \n", attrlist);
printf(" \n");
printf("Group Attributes \n");
n = HE5_GDinqgrpattrs(GDid1, NULL, &strbufsize);
printf("\tNumber of attributes: %li \n", n);
printf("\tSize of attribute list: %li \n", strbufsize);
n = HE5_GDinqgrpattrs(GDid1, attrlist, &strbufsize);
printf("\tAttribute list: %s \n", attrlist);
printf(" \n");
printf("Local Attributes \n");
n = HE5_GDinqlocattrs(GDid1, "Vegetation", NULL, &strbufsize);
printf("\tNumber of attributes: %li \n", n);
printf("\tSize of attribute list: %li \n", strbufsize);
n = HE5_GDinqlocattrs(GDid1, "Vegetation", attrlist, &strbufsize);
printf("\tAttribute list: %s \n", attrlist);
free(ntype);
free(ntype1);
n = HE5_GDnentries(GDid1, HE5_HDFE_NENTDIM, &strbufsize);
printf("Number of dimension entries (UTMGrid): %li \n", n);
printf("Length of Dimension List (UTMGrid): %li \n", strbufsize);
n = HE5_GDnentries(GDid1, HE5_HDFE_NENTDFLD, &strbufsize);
printf("Number of data fields (UTMGrid): %li \n", n);
printf("Length of Field List (UTMGrid): %li \n", strbufsize);
status = HE5_GDtileinfo(GDid1,"Vegetation",&tilecode,&tilerank,tiledims);
printf("\n");
printf("\t\t Vegetation tile code: %d\n", tilecode);
printf("\t\t Vegetation tile rank: %d\n", tilerank);
for (i = 0; i < tilerank; i++)
printf("\t\t Vegetation tile dimension %d: %lu\n",i+1, (unsigned long)tiledims[i]);
status = HE5_GDcompinfo(GDid1,"Vegetation",&code,level);
printf("\t\t Compression scheme Compression level\n");
printf("\t\t %d, %d\n", code, level[0]);
}
status = HE5_GDdetach(GDid1);
status = HE5_GDdetach(GDid2);
status = HE5_GDclose(gdfid);
return 0;
}
|
