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tektronix window

Martino Nicolini wrote on Dec 14, 1999

Dear IRAF staff,

I'm an amateur astronomer very new both with IRAF and with Linux so I need a
little help.

I have a Linux-PC with SuSe 6.1 (kernel 2.2.5) with installed IRAF ver 2.11
from the Random Factory's set of CD's
When I try to invoke the tektronic windows with commands like imexamine, the
windows will not appear but appears a long series of strange characters at
the CL prompt: it appears like there is no link with this tecktronic
windows.

Another strange behavior is from the keyboard (Italian): at the CL prompt I
can't delete the last letter I write with any keys (Del, Canc etc.): all
what appear are meta-characters

Anybody could give me a little help?

Regards
Martino Nicolini
********************************************
OSS. ASTRONOMICO "G. MONTANARI" - CAVEZZO
via Concordia, 200 - 41032 Cavezzo (MO) ITALY
MPC 107
Tel. ++39 0535-58755
WEB: http://www.arcanet.it/oss_astronomico/
Personal E-mail: mnico@iol.it
********************************************

Mike Fitzpatrick wrote on Dec 15, 1999

Martino,

> I have a Linux-PC with SuSe 6.1 (kernel 2.2.5) with installed IRAF ver
> 2.11 from the Random Factory's set of CD's When I try to invoke the
> tektronic windows with commands like imexamine, the windows will not
> appear but appears a long series of strange characters at the CL prompt:
> it appears like there is no link with this tecktronic windows.

	Usually when garbage appears in response to a graphics task it 
means that either the terminal window being used does now support graphics
(e.g. an 'rxvt' window), or you are using an xterm/xgterm window but IRAF
thinks it's something else (e.g. you use an 'xterm' but IRAF assumes an
'xgterm').  You can use the command 'show stdgraph' to see to current
setting and 'stty xgterm' or 'stty xterm' within the CL to reset it.

> Another strange behavior is from the keyboard (Italian): at the CL prompt
> I can't delete the last letter I write with any keys (Del, Canc etc.): all
> what appear are meta-characters

	The CL will use whatever backspace key is set at the unix level,
however international keyboards or language settings in the window environ-
ment may reset these.  To set the backspace key you would use

	% stty erase <hit_desired_delete_key>

when setting this in your .login file you would use the same command but
if you use 'vi' as the editor you'd type Ctrl-V (verbatim) before hitting
the delete key to use.  Note that tasks like xmodmap can be used to remap
or alias a Delete and BackSpace key and may change the settings.  Does
delete work at all at the host level, if so you need to set that key 
using the above (or similar) stty command.
	Hope this helps, if you still have problems feel free to followup
or reply directly.

Cheers,
-Mike

Last post on Dec 15, 1999