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Re: A Simple IDL Manifesto [message #63723 is a reply to message #63721] Mon, 17 November 2008 22:18 Go to previous messageGo to previous message
lbnc is currently offline  lbnc
Messages: 15
Registered: January 2005
Junior Member
On 17 Nov, 17:50, David Fanning <n...@dfanning.com> wrote:
> Folks,
>
> On my way to work this morning, after I my German
> lesson gelearnt, I started thinking about simple
> things ITTVIS could do to improve the IDL experience
> for old and new users of IDL alike. My criteria for
> my list is that it had to be something a junior ITTVIS
> software engineer could accomplish in a lazy afternoon,
> while knocking back a couple of cold Brewskis.
>
> Here is the list:
>
> 1. Make the COLOR keyword default to 1 for the PostScript
> device. The last time I wanted two-color PostScript output
> was in 1964, and if I want it now I can draw in black
> and white colors.
>
> 2. Make the BITS_PER_PIXEL keyword for the PostScript
> device default to 8. Setting it to 4 probably made
> sense in the 18th century (I'm speaking metaphorically
> in computer time, of course), but it makes absolutely no
> sense today.
>
> 3. Get rid of the TRUE keyword on the TV command. If you
> don't know how to tell if an image is a 2D or a true-color
> image, I'm certain Liam can enlighten you.
>
> 4. Add a POSITION keyword to the TV command so you don't
> have to spend an afternoon figuring out who to overlay an
> image with some information.
>
> 5. Oh, the hell with it, ditch the TV command and incorporate
> TVIMAGE or IMGDISP in it's place. (Personally, I would vote for
> IMGDISP.) That way you could have axes and everything else, too.
>
> 6. Make square-bracket array subscripting the default. Craig
> will get used to it, believe me.
>
> 7. Make the NAN keyword default to 1 everywhere. Why not!?
>
> 8. I realize it is difficult to tell when you are staring at
> a piece of paper just ejected from the printer, but make the
> LANDscape PostScript output LANDscape and not SEAscape. You can
> tell, all the time, when you view the PS output in GhostView.
>
> 9. Make UNXI computers default to TRUECOLOR visuals instead of
> DIRECTCOLOR. Oh, wait... this is already done. Hurray! Scratch
> this one from the list.
>
> Cheers,
>
> David
> --
> David Fanning, Ph.D.
> Coyote's Guide to IDL Programming (www.dfanning.com)
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")

Can I add:

10) Do *not* throw an error when I want to plot just NaNs. Instead,
print a warning and continue, maybe plotting only the axis. And David,
don't suggest I should get children to understand that there is
"always a hurdle to get over" - tried that, didn't help. Apparently
didn't help for you either...

Cheers
Lasse

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