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Re: FSC_PLOT defaults [message #74136 is a reply to message #74135]

Tue, 21 December 2010 09:53

ben.bighair
Messages: 221
Registered: April 2007

Senior Member

On 12/20/10 9:03 PM, Paulo Penteado wrote:

Hi,

> One of the main reasons I do not use object graphics is their reliance
> on global variables - especially those that do not get reset with
> a .reset_session. I usually object to global variables on any
> situation, as they make the results dependent on the environment, not
> just the code the user writes / receives (and, particularly, dependent
> not just on the routine calls).

I see what you mean. I wonder if this is a case we can resolve that
automatically - have the FSC_Defaults function check for the system
variable !FSC_Defaults and if it isn't there then load it. I can't
imagine that it adds much to overhead except the first time it is called
each session.

Function FSC_Default, what, value, SET = set, _REF_EXTRA = extra

DEFSYSV, "!FSC_Default", EXISTS = ok
IF (~ok) THEN BEGIN
RESTORE, <path-to-FSC_Defaults.pref>, RESTORED_OBJECTS = objs
DEFSYSV, "!FSC_Default", objs[1]
ENDIF

IF (KEYWORD_SET(set)) THEN $
return, !FSC_Default->Set(what, value, _EXTRA = extra) ELSE $
return, !FSC_Default->Get(what, _EXTRA = extra)

END;

> Also, it is awkward to use
> simultaneous instances of things that rely on (the same) global
> variables.

I'm a little fuzzy on this. How might this occur?

Cheers,
Ben

P.S. Isn't it grand thinking up things for David to do? Puts me in the
holiday spirit!

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[Message index]

		Re: FSC_PLOT defaults By: lecacheux.alain on Mon, 27 December 2010 00:51
		Re: FSC_PLOT defaults By: David Fanning on Fri, 24 December 2010 22:01
		Re: FSC_PLOT defaults By: David Fanning on Fri, 24 December 2010 10:55
		Re: FSC_PLOT defaults By: Michael Galloy on Thu, 23 December 2010 21:05
		Re: FSC_PLOT defaults By: David Fanning on Thu, 23 December 2010 18:03
		Re: FSC_PLOT defaults By: wlandsman on Thu, 23 December 2010 16:02
		Re: FSC_PLOT defaults By: wlandsman on Thu, 23 December 2010 15:42
		Re: FSC_PLOT defaults By: penteado on Thu, 23 December 2010 12:53
		Re: FSC_PLOT defaults By: Mark[1] on Thu, 23 December 2010 12:35
		Re: FSC_PLOT defaults By: lecacheux.alain on Thu, 23 December 2010 12:34
		Re: FSC_PLOT defaults By: David Fanning on Thu, 23 December 2010 11:10
		Re: FSC_PLOT defaults By: David Fanning on Thu, 23 December 2010 10:08
		Re: FSC_PLOT defaults By: wlandsman on Thu, 23 December 2010 08:38
		Re: FSC_PLOT defaults By: David Fanning on Wed, 22 December 2010 09:11
		Re: FSC_PLOT defaults By: lecacheux.alain on Wed, 22 December 2010 05:51
		Re: FSC_PLOT defaults By: Bruce Bowler on Wed, 22 December 2010 05:22
		Re: FSC_PLOT defaults By: David Fanning on Tue, 21 December 2010 13:56
		Re: FSC_PLOT defaults By: ben.bighair on Tue, 21 December 2010 12:38
		Re: FSC_PLOT defaults By: Marc Buie on Tue, 21 December 2010 10:53
		Re: FSC_PLOT defaults By: David Fanning on Tue, 21 December 2010 09:58
		Re: FSC_PLOT defaults By: ben.bighair on Tue, 21 December 2010 09:53
		Re: FSC_PLOT defaults By: David Fanning on Tue, 21 December 2010 08:37
		Re: FSC_PLOT defaults By: wlandsman on Tue, 21 December 2010 08:19
		Re: FSC_PLOT defaults By: David Fanning on Tue, 21 December 2010 07:58
		Re: FSC_PLOT defaults By: Paul Van Delst[1] on Tue, 21 December 2010 07:39
		Re: FSC_PLOT defaults By: David Fanning on Tue, 21 December 2010 07:19
		Re: FSC_PLOT defaults By: David Fanning on Tue, 21 December 2010 07:06
		Re: FSC_PLOT defaults By: David Fanning on Tue, 21 December 2010 06:51
		Re: FSC_PLOT defaults By: David Fanning on Tue, 21 December 2010 06:45
		Re: FSC_PLOT defaults By: Marc Buie on Tue, 21 December 2010 05:58
		Re: FSC_PLOT defaults By: penteado on Mon, 20 December 2010 18:03
		Re: FSC_PLOT defaults By: ben.bighair on Mon, 20 December 2010 17:43
		Re: FSC_PLOT defaults By: David Fanning on Mon, 20 December 2010 14:57

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