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#include "mfhdf.h"
/* DefineLevels */
/*
* In this example we will open the "PointFile" HDF file and define the point
* levels.
*/
main()
{
intn status;
int32 ptfid, PTid_fixed, PTid_float, PTid_simple,fieldtype[8], fieldorder[8];
char fldlist[255];
/*
* We first open the HDF swath file, "PointFile.hdf". Because this file
* already exist and we wish to write to it, we use the DFACC_RDWR access
* code in the open statement. The PTopen routine returns the point file
* id, ptfid, which is used to identify the file in subsequent routines.
*/
ptfid = PTopen("PointFile_created_with_hadeos_sample_file_writer_of_HDFEOS2_version_219_or_higher_release.hdf", DFACC_RDWR);
if(ptfid == -1)
{
printf("\t\tError: Unable to open file PointFile.hdf\n");
return -1;
}
if (ptfid != -1)
{
/* Simple Point */
/* ------------ */
PTid_simple = PTattach(ptfid, "Simple Point");
if (PTid_simple == -1)
{
printf("\t\tError: Cannot attach point \"Simple Point\"\n");
return -1;
}
strcpy(fldlist, "Time,Concentration,Species");
fieldtype[0] = DFNT_FLOAT64;
fieldtype[1] = DFNT_FLOAT32;
fieldtype[2] = DFNT_CHAR8;
fieldorder[0] = 1;
fieldorder[1] = 4;
fieldorder[2] = 4;
status = PTdeflevel(PTid_simple, "Sensor", fldlist, fieldtype, fieldorder);
if (status == -1)
{
printf("\t\tError: Cannot define level \"Sensor\"\n");
return -1;
}
PTdetach(PTid_simple);
/*
goto skip;
*/
/* Fixed Buoy Point */
/* ---------------- */
PTid_fixed = PTattach(ptfid, "FixedBuoy Point");
if (PTid_fixed == -1)
{
printf("\t\tError: Cannot attach point \"FixedBuoy Point\"\n");
return -1;
}
/* Define Description/Location Level */
strcpy(fldlist, "Label,Longitude,Latitude,DeployDate,ID");
fieldtype[0] = DFNT_CHAR8;
fieldtype[1] = DFNT_FLOAT64;
fieldtype[2] = DFNT_FLOAT64;
fieldtype[3] = DFNT_INT32;
fieldtype[4] = DFNT_CHAR8;
fieldorder[0] = 8;
fieldorder[1] = 0; /* Order 0 same as Order 1 for numeric scalars */
fieldorder[2] = 0;
fieldorder[3] = 0;
fieldorder[4] = 1;
status = PTdeflevel(PTid_fixed, "Desc-Loc", fldlist,
fieldtype, fieldorder);
if (status == -1)
{
printf("\t\tError: Cannot define level \"Desc-Loc\"\n");
return -1;
}
/* Define Data Level */
strcpy(fldlist, "Time,Rainfall,Temperature,ID");
fieldtype[0] = DFNT_FLOAT64;
fieldtype[1] = DFNT_FLOAT32;
fieldtype[2] = DFNT_FLOAT32;
fieldtype[3] = DFNT_CHAR8;
fieldorder[0] = 0;
fieldorder[1] = 0;
fieldorder[2] = 0;
fieldorder[3] = 1;
status = PTdeflevel(PTid_fixed, "Observations", fldlist,
fieldtype, fieldorder);
if (status == -1)
{
printf("\t\tError: Cannot define level \"Observations\"\n");
return -1;
}
printf("status from PTdeflevel: %d\n");
status = PTdeflinkage(PTid_fixed, "Desc-Loc", "Observations", "ID");
if (status == -1)
{
printf("\t\tError: Cannot define linkage \"Desc-Loc\"\n");
return -1;
}
printf("status from PTdeflinkage: %d\n");
status = PTdetach(PTid_fixed);
printf("status from PTdetach: %d\n");
/* Floating Buoy Point */
/* ------------------- */
PTid_float = PTattach(ptfid, "FloatBuoy Point");
if (PTid_float == -1)
{
printf("\t\tError: Cannot attach point \"FloatBuoy Point\"\n");
return -1;
}
/* Define Description Level */
strcpy(fldlist, "Label,DeployDate,Weight,ID");
fieldtype[0] = DFNT_CHAR8;
fieldtype[1] = DFNT_INT32;
fieldtype[2] = DFNT_INT16;
fieldtype[3] = DFNT_CHAR8;
fieldorder[0] = 8;
fieldorder[1] = 0;
fieldorder[2] = 0;
fieldorder[3] = 1;
status = PTdeflevel(PTid_float, "Description", fldlist,
fieldtype, fieldorder);
if (status == -1)
{
printf("\t\tError: Cannot define level \"Description\"\n");
return -1;
}
/* Define Data Level */
strcpy(fldlist, "Time,Longitude,Latitude,Rainfall,Temperature,ID");
fieldtype[0] = DFNT_FLOAT64;
fieldtype[1] = DFNT_FLOAT64;
fieldtype[2] = DFNT_FLOAT64;
fieldtype[3] = DFNT_FLOAT32;
fieldtype[4] = DFNT_FLOAT32;
fieldtype[5] = DFNT_CHAR8;
fieldorder[0] = 0;
fieldorder[1] = 0;
fieldorder[2] = 0;
fieldorder[3] = 0;
fieldorder[4] = 0;
fieldorder[5] = 1;
status = PTdeflevel(PTid_float, "Measurements", fldlist,
fieldtype, fieldorder);
if (status == -1)
{
printf("\t\tError: Cannot define level \"Measurements\"\n");
return -1;
}
status = PTdeflinkage(PTid_float, "Description", "Measurements", "ID");
if (status == -1)
{
printf("\t\tError: Cannot define linkage \"Description\"\n");
return -1;
}
PTdetach(PTid_float);
skip:
PTclose(ptfid);
}
return 0;
}
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