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**********************************************************************
* This directory provides sample programs for the user to run to *
* check if the HDFEOS_5 library installed correctly. Below is a *
* description of what routines are available and the order in *
* which the routines should be run. *
* Updated: 06/20/01 A.M. *
* Aug 02 S.Z *
**********************************************************************
Swath Demonstration Programs
----------------------------
A. C - programs
~~~~~~~~~~~~~~~
he5_sw_setup --- creates HDFEOS_5 swath file "Swath.h5";
sets a single swath structure "Swath1";
defines dimensions and the geolocation
relations between them.
he5_sw_definefields --- defines a number of fields within the swath.
he5_sw_writedata --- writes data to the "Longitude", "Latitude",
and "Spectra" fields; sets up global, group,
and local attributes.
he5_sw_readdata --- reads data from the "Longitude" field; reads
global, group, and local attributes.
he5_sw_info --- retrieves and displays information on the
swath dimensions, geolocation relations,
swath fields, and (global/group/local)
attributes.
he5_sw_datainfo --- retrieves data type information for a
specified object (field, attribute).
he5_sw_subset --- demonstrates subsetting on the "Spectra" field.
he5_sw_defunlimfld --- same as 'he5_sw_definefields' but defines
"Spectra" field as having unlimited dimension.
he5_sw_wrunlimfld --- same as 'he5_sw_writedata' but writes data to
the "Spectra" field twice.
he5_sw_wrextendrd --- demonstrates usage of unlimited dimension for
appendible field "Count".
Sequence of calls:
1. he5_sw_setup
he5_sw_definefields
he5_sw_writedata
he5_sw_readdata
he5_sw_info
he5_sw_datainfo
he5_sw_subset
2. he5_sw_setup
he5_sw_defunlimfld
he5_sw_wrunlimfld
he5_sw_subset
3. he5_sw_setup
he5_sw_definefields
he5_sw_wrextendrd
Example of working with external data files
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
he5_sw_setup --- creates HDFEOS_5 swath file "Swath.h5";
sets a single swath structure "Swath1";
defines dimensions (including dimension
of external data set) and the geolocation
relations between them.
he5_sw_defexternalfld --- defines external field (data set)
he5_sw_rdexternaldata --- reads data from external data file(s) to
the external field
he5_sw_wrexternaldata --- writes data to external field/data file(s)
B. FORTRAN-77 programs
~~~~~~~~~~~~~~~~~~~~~~
he5_sw_setupF_64 --- see 'he5_sw_setup', creates "swath.h5" file.
(he5_sw_setupF_32)
he5_sw_definefieldsF_64 --- see 'he5_sw_definefields'
(he5_sw_definefieldsF_32)
he5_sw_writedataF_64 --- see 'he5_sw_writedata'
(he5_sw_writedataF_32)
he5_sw_readdataF_64 --- see 'he5_sw_readdata'
(he5_sw_readdataF_32)
he5_sw_infoF_64 --- see 'he5_sw_info'
(he5_sw_infoF_32)
he5_sw_subsetF_64 --- see 'he5_sw_subset'
(he5_sw_subsetF_32)
Sequence of calls:
he5_sw_setupF_64 (...F_32)
he5_sw_definefieldsF_64 (...F_32)
he5_sw_writedataF_64 (...F_32)
he5_sw_readdataF_64 (...F_32)
he5_sw_infoF_64 (...F_32)
he5_sw_subsetF_64 (...F_32)
===========================================================================
Grid Demonstration Programs
---------------------------
A. C - programs
~~~~~~~~~~~~~~~
he5_gd_setup --- creates HDFEOS_5 grid file "Grid.h5";
sets two grid structures.
he5_gd_definefields --- defines fields within the two grids.
he5_gd_writedata --- writes data to the fields within the two
grids; sets up global, group, and local
attributes.
he5_gd_readdata --- reads data from the fields; reads
global, group, and local attributes.
he5_gd_info --- retrieves and displays information on the
grid dimensions, projections, grid fields,
and (global/group/local) attributes.
he5_gd_datainfo --- retrieves data type information for a
specified object (field, attribute).
he5_gd_subset --- demonstrates subsetting on the "Temperature"
field in the "PolarGrid" grid.
he5_gd_defunlimfld --- defines "Vegetation" field having unlimited
dimension.
he5_gd_wrunlimfld --- sequentially writes data buffers of different
size to the "Vegetation" field.
Sequence of calls:
1. he5_gd_setup
he5_gd_definefields
he5_gd_writedata
he5_gd_readdata
he5_gd_info
he5_gd_datainfo
he5_gd_subset
2. he5_gd_setup
he5_gd_defunlimfld
he5_gd_wrunlimfld
Example of working with external data files
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
he5_gd_setup --- creates HDFEOS_5 grid file "Grid.h5";
sets two grid structures; defines
dimensions (including dimension of
external data set).
he5_gd_defexternalfld --- defines external field (data set)
he5_gd_rdexternaldata --- reads data from external data file(s) to
the external field
he5_gd_wrexternaldata --- writes data to external field/data file(s)
B. FORTRAN-77 programs
~~~~~~~~~~~~~~~~~~~~~~
he5_gd_setupF_64 --- see 'he5_gd_setup'; creates "grid.h5" file.
(he5_gd_setupF_32)
he5_gd_definefieldsF_64 --- see 'he5_gd_definefields'
(he5_gd_definefieldsF_32)
he5_gd_writedataF_64 --- see 'he5_gd_writedata'
(he5_gd_writedataF_32)
he5_gd_readdataF_64 --- see 'he5_gd_readdata'
(he5_gd_readdataF_32)
he5_gd_infoF_64 --- see 'he5_gd_info'
(he5_gd_infoF_32)
he5_gd_subsetF_64 --- see 'he5_gd_subset'
(he5_gd_subsetF_32)
Sequence of calls:
he5_gd_setupF_64 (...F_32)
he5_gd_definefieldsF_64 (...F_32)
he5_gd_writedataF_64 (...F_32)
he5_gd_readdataF_64 (...F_32)
he5_gd_infoF_64 (...F_32)
he5_gd_subsetF_64 (...F_32)
===========================================================================
Point Demonstration Programs
----------------------------
The sample codes described below use the following input data files
(make sure these files are in the same directory with the sample codes) :
fixedBuoy0.txt
fixedBuoy1s.txt
floatBuoy1.txt
fixedBuoy1.txt
floatBuoy0.txt
simple.txt
A. C - programs
~~~~~~~~~~~~~~~
he5_pt_setup --- creates HDFEOS_5 point file "Point.h5";
he5_pt_definelevels --- defines levels within the point.
he5_pt_writedata --- writes data to the specified levels.
he5_pt_writeattrs --- writes attributes.
he5_pt_readdata --- reads data from a level.
he5_pt_readattrs --- reads attributes.
he5_pt_updatelevels --- updates level data.
he5_pt_datainfo --- retrieves data type information for a
specified object within point.
Sequence of calls:
he5_pt_setup
he5_pt_definelevels
he5_pt_writedata
he5_pt_writeattrs
he5_pt_readdata
he5_pt_readattrs
he5_pt_updatelevels
he5_pt_datainfo
B. FORTRAN-77 programs
~~~~~~~~~~~~~~~~~~~~~~
he5_pt_setupF_64 --- see 'he5_pt_setup'; creates "point.h5" file.
(he5_pt_setupF_32)
he5_pt_definelevelsF_64 --- see 'he5_pt_definelevels'
(he5_pt_definelevelsF_32)
he5_pt_writedataF_64 --- see 'he5_pt_writedata'
(he5_pt_writedataF_32)
he5_pt_writeattrsF_64 --- see 'he5_pt_writeattrs'
(he5_pt_writeattrsF_32)
he5_pt_readdataF_64 --- see 'he5_pt_readdata'
(he5_pt_readdataF_32)
he5_pt_readattrsF_64 --- see 'he5_pt_readattrs'
(he5_pt_readattrsF_32)
he5_pt_updatelevelsF_64 --- see 'he5_pt_updatelevels'
(he5_pt_updatelevelsF_32)
he5_pt_datainfoF_64 --- see 'he5_pt_datainfo'
(he5_pt_datainfoF_32)
Sequence of calls:
he5_pt_setupF_64 (...F_32)
he5_pt_definelevelsF_64 (...F_32)
he5_pt_writedataF_64 (...F_32)
he5_pt_writeattrsF_64 (...F_32)
he5_pt_readdataF_64 (...F_32)
he5_pt_readattrsF_64 (...F_32)
he5_pt_updatelevelsF_64 (...F_32)
he5_pt_datainfoF_64 (...F_32)
=====================================================================
ZA Demonstration Programs
-------------------------
A. C - programs
~~~~~~~~~~~~~~
he5_za_setup --- creates HDFEOS_5 za file "ZA.h5";
sets a single za structure "ZA1";
defines dimensions.
he5_za_definefields --- defines a number of fields within the za.
he5_za_writedata --- writes data to the "Spectra" field;
sets up global, group, and local attributes.
he5_za_readdata --- reads data from the "Spectra" field; reads
global, group, and local attributes.
he5_za_info --- retrieves and displays information on the
za dimensions, and (global/group/local)
attributes.
he5_za_datainfo --- retrieves data type information for a
specified object (field, attribute).
Sequence of calls:
he5_za_setup
he5_za_definefields
he5_za_writedata
he5_za_readdata
he5_za_info
he5_za_datainfo
Example of working with external data files
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
he5_za_setup --- creates HDFEOS_5 za file "ZA.h5";
sets a single za structure "ZA1";
defines dimensions (including dimension
of external data set).
he5_za_defexternalfld --- defines external field (data set)
he5_za_rdexternaldata --- reads data from external data file(s) to
the external field
he5_za_wrexternaldata --- writes data to external field/data file(s)
B. FORTRAN-77 programs
~~~~~~~~~~~~~~~~~~~~~
he5_za_setupF_64 --- see 'he5_za_setup', creates "za.he5" file.
(he5_za_setupF_32)
he5_za_definefieldsF_64 --- see 'he5_za_definefields'
(he5_za_definefieldsF_32)
he5_za_writedataF_64 --- see 'he5_za_writedata'
(he5_za_writedataF_32)
he5_za_readdataF_64 --- see 'he5_za_readdata'
(he5_za_readdataF_32)
he5_za_infoF_64 --- see 'he5_za_info'
(he5_za_infoF_32)
Sequence of calls:
he5_za_setupF_64 (...F_32)
he5_za_definefieldsF_64 (...F_32)
he5_za_writedataF_64 (...F_32)
he5_za_readdataF_64 (...F_32)
he5_za_infoF_64 (...F_32)
======================================================================================
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