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/*
----------------------------------------------------------------------------
| Copyright (C) 1999 Emergent IT Inc. and Raytheon Systems Company |
----------------------------------------------------------------------------
*/
#include <HE5_HdfEosDef.h>
/* In this program we retrieve information about (1) dimensions, (2) */
/* dimension mappings (geolocation relations), (3) swath fields, */
/* and (4) the global/group/local attributes */
/* ------------------------------------------------------------------- */
int main()
{
herr_t status = FAIL;
int i, rk, *rank, rk1, chunk_rank;
hid_t swfid = FAIL, SWid = FAIL;
hid_t ntype[10];
hid_t dtype = FAIL;
hid_t dtype_char = FAIL;
hid_t dtype1 = FAIL;
long ndims, strbufsize, nmaps, nflds, nattr;
long *off, *inc, *indx, offset, incr;
hsize_t *sizes, dimsize;
hsize_t dim[8], *dims, dim1[8], chunk_dim[8];
hsize_t n, nelem = 0;
char version[80] = {0};
char *dimname, *dimmap, *fieldlist;
char dimlist[80], attrlist[80], dimlist1[80];
int level[ 5 ] = { 0, 0, 0, 0, 0 };
int code = 0;
/* Open the Swath HDF-EOS File "Swath.h5" for reading only */
/* ------------------------------------------------------- */
swfid = HE5_SWopen("Swath.h5", H5F_ACC_RDONLY);
if (swfid != FAIL)
{
HE5_EHgetversion(swfid, version);
printf("HDF-EOS library version: \"%s\" \n", version);
/* Attach the swath "Swath1" */
/* ------------------------ */
SWid = HE5_SWattach(swfid, "Swath1");
if (SWid != FAIL)
{
/* Inquire Dimensions */
/* ------------------ */
ndims = HE5_SWnentries(SWid, HE5_HDFE_NENTDIM, &strbufsize);
dims = (hsize_t *) calloc(ndims, sizeof(hsize_t));
dimname = (char *) calloc(strbufsize + 1, 1);
ndims = HE5_SWinqdims(SWid, dimname, dims);
printf("Dimension list: %s\n", dimname);
for (i = 0; i < ndims; i++)
printf("dim size: %li\n", (long)dims[i]);
free(dims);
free(dimname);
/* Inquire Dimension Mappings */
/* -------------------------- */
nmaps = HE5_SWnentries(SWid, HE5_HDFE_NENTMAP, &strbufsize);
off = (long *)calloc(nmaps, sizeof(long));
inc = (long *)calloc(nmaps, sizeof(long));
dimmap = (char *)calloc(strbufsize + 1, 1);
nmaps = HE5_SWinqmaps(SWid, dimmap, off, inc);
printf("Dimension map: %s\n", dimmap);
for (i = 0; i < nmaps; i++)
printf("offset increment: %li %li\n",
off[i], inc[i]);
free(off);
free(inc);
free(dimmap);
/* Inquire Indexed Dimension Mappings */
/* ---------------------------------- */
nmaps = HE5_SWnentries(SWid, HE5_HDFE_NENTIMAP, &strbufsize);
sizes = (hsize_t *) calloc(nmaps, sizeof(hsize_t));
dimmap = (char *) calloc(strbufsize + 1, 1);
nmaps = HE5_SWinqidxmaps(SWid, dimmap, sizes);
printf("Index Dimension map: %s\n", dimmap);
for (i = 0; i < nmaps; i++)
printf("sizes: %lu\n", (unsigned long)sizes[i]);
free(sizes);
free(dimmap);
/* Inquire Geolocation Fields */
/* -------------------------- */
nflds = HE5_SWnentries(SWid, HE5_HDFE_NENTGFLD, &strbufsize);
rank = (int *)calloc(nflds, sizeof(int));
fieldlist = (char *) calloc(strbufsize + 1, 1);
nflds = HE5_SWinqgeofields(SWid, fieldlist, rank, ntype);
printf("geo fields: %s\n", fieldlist);
for (i = 0; i < nflds; i++)
printf("Rank: %d Data type: %ld\n", rank[i], (long) ntype[i]);
free(rank);
free(fieldlist);
/* Inquire Data Fields */
/* ------------------- */
nflds = HE5_SWnentries(SWid, HE5_HDFE_NENTDFLD, &strbufsize);
rank = (int *) calloc(nflds, sizeof(int));
fieldlist = (char *) calloc(strbufsize + 1, 1);
nflds = HE5_SWinqdatafields(SWid, fieldlist, rank, ntype);
printf("data fields: %s\n", fieldlist);
for (i = 0; i < nflds; i++)
printf("Rank: %d Data type: %ld\n", rank[i], (long) ntype[i]);
free(rank);
free(fieldlist);
/* Get info on "GeoTrack" dim */
/* -------------------------- */
dimsize = HE5_SWdiminfo(SWid, "GeoTrack");
printf("Size of GeoTrack: %lu\n", (unsigned long)dimsize);
dimsize = HE5_SWdiminfo(SWid, "Unlim");
printf("Size of Unlim: %li\n", (long)dimsize);
/* Get info on "GeoTrack/Res2tr" mapping */
/* ------------------------------------- */
status = HE5_SWmapinfo(SWid, "GeoTrack", "Res2tr", &offset, &incr);
printf("Mapping Offset: %li\n", offset);
printf("Mapping Increment: %li\n", incr);
/* Get info on "IndxTrack/Res2tr" indexed mapping */
/* ---------------------------------------------- */
dimsize = HE5_SWdiminfo(SWid, "IndxTrack");
indx = (long *) calloc(dimsize, sizeof(long));
n = HE5_SWidxmapinfo(SWid, "IndxTrack", "Res2tr", indx);
for (i = 0; i < n; i++)
printf("Index Mapping Entry %d: %li\n", i+1, indx[i]);
free(indx);
/* Get info on "Longitude" Field */
/* ----------------------------- */
status = HE5_SWfieldinfo(SWid, "Longitude", &rk, dim, &dtype, dimlist, NULL);
printf("Longitude Rank: %d\n", rk);
printf("Longitude NumberType: %ld\n", (long) dtype);
printf("Longitude Dimension List: %s\n", dimlist);
for (i = 0; i < rk; i++)
printf("Dimension %d: %lu\n",i+1,(unsigned long)dim[i]);
status = HE5_SWfieldinfo(SWid, "Test_string", &rk1, dim1, &dtype_char, dimlist1, NULL);
printf("Test_string Rank: %d\n", rk1);
printf("Test_string NumberType: %ld\n", (long) dtype_char);
printf("Test_string Dimension List: %s\n", dimlist1);
for (i = 0; i < rk1; i++)
printf("Dimension %d: %lu\n",i+1,(unsigned long)dim1[i]);
dtype1 = FAIL;
/* Get info about Global Attributes */
/* -------------------------------- */
printf("Global Attribute:\n");
status = HE5_SWattrinfo(SWid,"GlobalAttribute",&dtype1, &nelem);
printf("\t\t Data type: %ld\n", (long) dtype1);
printf("\t\t Number of elements: %lu \n", (unsigned long)nelem);
nelem = 0;
status = HE5_SWattrinfo(SWid,"GLOBAL_CHAR_ATTR",&dtype1, &nelem);
printf("\t\t Data type: %ld\n", (long) dtype1);
printf("\t\t The size of string: %lu \n", (unsigned long)nelem);
nelem = 0;
status = HE5_SWattrinfo(SWid,"GLOBAL_DOUBLE_ATTR",&dtype1, &nelem);
printf("\t\t Data type: %ld\n", (long) dtype1);
printf("\t\t Number of elements: %lu \n", (unsigned long)nelem);
nelem = 0;
dtype1 = FAIL;
/* Get info about Group Attributes */
/* ------------------------------- */
printf("Group Attribute:\n");
status = HE5_SWgrpattrinfo(SWid,"GroupAttribute",&dtype1,&nelem);
printf("\t\t Data type: %ld\n", (long) dtype1);
printf("\t\t Number of elements: %lu \n", (unsigned long)nelem);
nelem = 777;
dtype1 = FAIL;
/* Get info about Local Attributes */
/* ------------------------------- */
printf("Local Attribute:\n");
status = HE5_SWlocattrinfo(SWid,"Density", "LocalAttribute_1",&dtype1,&nelem);
printf("\t\t Data type: %ld\n", (long) dtype1);
printf("\t\t Number of elements: %lu \n", (unsigned long)nelem);
printf("Local Attribute:\n");
status = HE5_SWlocattrinfo(SWid,"Longitude", "LocalAttribute_2",&dtype1,&nelem);
printf("\t\t Data type: %ld\n", (long) dtype1);
printf("\t\t Number of elements: %lu \n", (unsigned long)nelem);
nelem = 0;
status = HE5_SWlocattrinfo(SWid,"Time", "LOCAL_CHAR_ATTR",&dtype1,&nelem);
printf("\t\t Data type: %ld\n", (long) dtype1);
printf("\t\t The size of string: %lu \n", (unsigned long)nelem);
/* Inquire Global Attributes */
/* ------------------------- */
printf("Global Attributes:\n");
nattr = HE5_SWinqattrs(SWid, NULL, &strbufsize);
printf("\t\t Number of attributes: %li \n", nattr);
printf("\t\t String length of attribute list: %li \n", strbufsize);
n = HE5_SWinqattrs(SWid, attrlist, &strbufsize);
printf("\t\t Attribute list: %s \n", attrlist);
/* Inquire Group Attributes */
/* ------------------------ */
strbufsize = 0;
printf("\n");
printf("Group Attributes:\n");
nattr = HE5_SWinqgrpattrs(SWid, NULL, &strbufsize);
printf("\t\t Number of attributes: %li \n", nattr);
printf("\t\t String length of attribute list: %li \n", strbufsize);
strcpy(attrlist,"");
nattr = HE5_SWinqgrpattrs(SWid, attrlist, &strbufsize);
printf("\t\t Attribute list: %s \n", attrlist);
/* Inquire Local Attributes */
/* ------------------------ */
strbufsize = 0;
printf("\n");
printf("Local Attributes:\n");
nattr = HE5_SWinqlocattrs(SWid, "Density", NULL, &strbufsize);
printf("\t\t Number of attributes: %li \n", nattr);
printf("\t\t String length of attribute list: %li \n", strbufsize);
strcpy(attrlist,"");
nattr = HE5_SWinqlocattrs(SWid, "Density", attrlist, &strbufsize);
printf("\t\t Attribute list: %s \n", attrlist);
nattr = HE5_SWinqlocattrs(SWid, "Longitude", NULL, &strbufsize);
printf("\t\t Number of attributes: %li \n", nattr);
printf("\t\t String length of attribute list: %li \n", strbufsize);
strcpy(attrlist,"");
nattr = HE5_SWinqlocattrs(SWid, "Longitude", attrlist, &strbufsize);
printf("\t\t Attribute list: %s \n", attrlist);
status = HE5_SWcompinfo(SWid,"Spectra",&code,level);
printf("\n");
printf("\t\t Compression scheme Compression level\n");
printf("\t\t %d, %d\n", code, level[0]);
status = HE5_SWchunkinfo(SWid,"Spectra",&chunk_rank,chunk_dim);
printf("\n");
printf("\t\t Spectra chunk rank: %d\n", chunk_rank);
for (i = 0; i < chunk_rank; i++)
printf("\t\t Spectra chunk dimension %d: %lu\n",i+1, (unsigned long)chunk_dim[i]);
}
}
status = HE5_SWdetach(SWid);
status = HE5_SWclose(swfid);
return 0;
}
|
