# $Id: README,v 1.5 1997/05/31 08:43:22 yotam Exp yotam $
This is Version 1.5 (May, 1997) of tclhdf & hdfv.

########################################
# Copyright (c) 1997                   #
# Yotam Medini  (yotam@blueneptune.com #
########################################

You can freely use, copy and redistribute this software
provided it comes with this README file with the above
Copyright notice.


HDF read-only interface via TCL.
================================

This software is available via anonymous-ftp
from (Emacs great find-file ftp-syntax):
/anonymous@ftp.blueneptune.com:/pub/users/yotam

Required software:
------------------
* Tcl version 7.6 or later + Tk version 4.2 or later (8.0 is fine)
  Available from:
  /anonymous@ftp.smli.com:/pub/tcl/
* HDF 4.0 or later. (4.1r1 is fine)
  Available from:
  /anonymous@ftp.ncsa.uiuc.edu:/HDF/
* g++. (Have not tried other C++ compilers).

Installation:
-------------
* Hack the Makefile.
  No fancy ./Configure script available.


tclhdf
------
A simple extension of tclsh with HDF's Vgroup/Vdata queries.
See hdfCmd.h for syntax.
The only purpose of this program is for debugging the
implementation of the TCL "hdf" command.

hdfv
----
HDF-Viewer with GUI based on Tk.
Currently, supports only Vgroup/Vdata model.

  Features:
  * Load several HDF-files simultaneously.
  * Navigate thru Vgroup/Vdata.
  * Search Vgroup/Vdata by: Id, Name or class.

  Wishes:
  * Online documentation.
  * Configuration.
  * For very-wide fields - control of partial column display of Vdata.
  * Better font scheme.
  * Graphically tree display.
  * Graph-plots by selecting two float parameters.
  * Support for Image data.
  * Yours.

Please send comments to:  yotam@blueneptune.com

------------------------------------------------------------------------
Notes for version 1.5
* Upgrade to Tcl/Tk 8.0b1 (bypass a bug).
* Verify working with HDF4.1r1.
* Modify addresses resulted by ISP name change (sj-coop -> blueneptune).

Notes for version 1.4
* Uses Tk's tk_getOpenFile and tk_messageBox.
* Catch illegal regular expressions (in Search).

Notes for version 1.3
* Now can navigate thru vgroups in the same window.
* Some bug fixes.
* Use Tk's grid geometry-manager.
* Icon combined from X11's xeyes and HDF's home page.





