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<== Date ==> <== Thread ==>

Subject: RE: MEDM for Windows NT (I have also done this for Linux)
From: "Hammonds, John" <JHammonds@pns.anl.gov>
To: "'Mark Rivers'" <RIVERS@cars3.uchicago.edu>, "'TECH-TALK@APS.ANL.GOV'" <TECH-TALK@APS.ANL.GOV>, "'BEAMLINE_CONTROLS@APS.ANL.GOV'" <BEAMLINE_CONTROLS@APS.ANL.GOV>
Date: Fri, 2 Jan 1998 14:55:14 -0600
Just to let everyone know, in addition to Mark's NT compile I have
compiled MEDM 2.2.3 under Linux and as far as I have looked problems are
pretty minor ( Ihave not encountered any thing noticeable to me yet but
have not given it a real workout.)  I use Redhat's Linux (4.1) and
Redhat Motif.  One asdvantage of this on Linux is that the Redhat Motif
comes with the XRTGraph stuff (all for ~$150) so this is a very complete
compile.  I have also compiled the EPICS base for R3.13.11 and many of
the other extensions although I have really only used MEDM.

As mark said for NT this should provide for good Phone line access since
you can run the Xstuff on the local end and transfer only Channel Access
trafic ove the phone.

John Hammonds
Intense Pulsed Neutron Source
Argonne National Laboratory




	-----Original Message-----
	From:	Mark Rivers [SMTP:RIVERS@cars3.uchicago.edu]
	Sent:	Friday, January 02, 1998 12:26 PM
	To:	TECH-TALK@APS.ANL.GOV; BEAMLINE_CONTROLS@APS.ANL.GOV
	Cc:	RIVERS@cars3.uchicago.edu
	Subject:	MEDM for Windows NT

	                          Pre-release announcement
	                             MEDM for Windows NT

	I thought some people would be interested to know that I have
almost finished
	porting the latest version of medm (2.3.3) to Windows NT.  It
currently runs in
	both edit and execute mode.  There a number of relatively minor
problems
	which need to be fixed before it is released.

	I find that one of the nice things about running medm on a PC is
that it can be
	used from home over a 28 Kbps modem connection.  Running medm on
a Unix host
	and trying to use X over such a connection is pretty hopeless,
but running medm
	locally means that only Channel Access traffic is using the
connection.  For
	our applications this results in quite acceptable performance.

	Using NT to run medm also means that operator interface
computers are cheaper
	than using Unix workstations.  Compared to using PCs as X
terminals which are
	displaying medm running on a Unix host, the computing load is
better
	distributed and network traffic is reduced. 

	The following is a list of the restrictions on the Windows NT
version of medm:

	- medm was built on Windows NT using the Hummingbird X
Development Kit, which
	  provides the required X and Motif libraries.  medm for NT is a
"local X
	  client" and so requires the presence of an X server on the PC.
I have been
	  using Hummingbird's Exceed server.  I believe (but have not
proven) that
	  other X servers could also be used.

	- XRTGraph is not available for Windows NT, so the Cartesian
plot widget does
	  not work.  Note that the Stripchart widget does not use
XRTGraph, so it
	  works fine.

	- Printing using the built-in medm tools does not work.
However, the
	  standard NT screen printing utilities work fine.  These
utilities require a
	  few more steps:
	    - PrintScreen button to capture the entire screen to Windows
Clipboard or
	      Alt/PrintScreen button to capture the current window to
Windows Clipboard
	    - Paste clipboard into your favorite application (e.g. MS
Word)
	    - Print from that application

	  While this process is a little more work it is much more
flexible:
	    - Windows can be resized before printing
	    - Multiple windows can be plotted on a single page
	    - Annotation can be added using Word, etc.
	    - All Windows printers are supported, while the standard
medm print utility
	      only works with PostScript printers

	- The "mail" function in the Message Window does not work.  This
feature is not
	  particularly important, since there are plenty of other (much
better!) mail 
	  utilities available.

	____________________________________________________________
	Mark Rivers                             (773) 702-2279 (office)
	CARS                                    (773) 702-9951
(secretary)
	Univ. of Chicago                        (773) 702-5454 (FAX)
	5640 S. Ellis Ave.                      (708) 922-0499 (home)
	Chicago, IL 60637                       rivers@cars.uchicago.edu
(e-mail)

	or:
	Argonne National Laboratory             (630) 252-0422 (office)
	Building 434A                           (630) 252-0405 (lab)
	9700 South Cass Avenue                  (630) 252-1713
(beamline)
	Argonne, IL 60439                       (630) 252-0443 (FAX)

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