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Re: high quality 'old' direct graphics [message #73734 is a reply to message #73733] Wed, 24 November 2010 07:08 Go to previous messageGo to previous message
pgrigis is currently offline  pgrigis
Messages: 436
Registered: September 2007
Senior Member
Hi folks,

now I am totally confused.

I haven't gotten to play around with IDL 8 (we just don't have it,
I guess astronomers just prefer to work with old software).

From what I understood from the new object graphic system, the point
was that you could give various dot commands (if you create an
object myplot=plot(x,y) and then you would issue comamnds like

myplot.xrange=xrange
myplot.ytitle=mytitle
etc. etc.

and get an equivalent plot then the old

plot,x,y,xrange=xrange,ytitle=mytitle [,etc. etc.]

only better looking (and that should apply for all graphic keywords,
with maybe a few new ones added).

Is my understanding right?

If it is, why we need the wrapper?
If it isn't, what went wrong with the new plot objects?

Sorry about this very naive comment, but as a 7.0 user I wonder
what will happen when we upgrade to 8.0 (which will probably happen
around 2018 or so).


Ciao,
Paolo

On Nov 24, 9:53 am, David Fanning <n...@dfanning.com> wrote:
> Greg writes:
>> It's probably rather late to put out this program, now that people are
>> using IDL 8 and its new graphics system, but perhaps some, like me,
>> are still used to the old way of making plots. With this code you can
>> add the most important parts that were missing: good quality screen
>> text, smooth curves, and matching postscript output.
>
> Oh, oh. It doesn't bode well for New Graphics routines when
> customers start to write simple systems of their own
> to make traditional (there is a certain reluctance to
> use the word "old" around the office here) IDL commands
> work the way they ought to.
>
> The fact that you can make old, uh, traditional commands work
> well in a week or two of work ought to tell you something. :-)
>
> And here I was yesterday smiling when my wife came home.
> "What are you smiling at, dear?," she asked me. "I just
> realized I know how to make my new alternative graphics
> commands work in resizeable graphics windows in a way
> that will blow everyone away," I answered.
>
> Life could get interesting. :-)
>
> Cheers,
>
> David
>
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming:http://www.dfanning.com/
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")
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