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Re: IDL 8.0 compile_opt changes [message #69439 is a reply to message #69187] Fri, 08 January 2010 05:36 Go to previous messageGo to previous message
penteado is currently offline  penteado
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On Jan 8, 7:29 am, "H. Evans" <bloggs...@googlemail.com> wrote:
> - Anti-aliasing built into the direct graphics functions (or am I the
> only person
>   left that finds the object graphics to be overly complex and tedious
> to
>   produce a simple plot, while the direct graphics quality not of
> publication
>   quality?) Alternatively, a complementary function for the old direct
> graphics
>   routines that use object graphics, e.g. dgplot as a direct
> replacement of
>   plot. Particularly one that can be used in batch mode (no attached X
> or window
>   device - a problem with using the iTools for batch processing).

To me it seems that the iTools are designed to be near direct
replacements of their direct graphics counterparts. It is possible to
create iTools non-interactively and without an X server, just by using
the keywords:

user_interface='none',/no_saveprompt,/disable_splash

Since IDL 7.1, there has been a much easier to use procedural
interface to the iTools, which includes things like iopen, isave, and
idelete. I always found that these new features should have been
better advertised when they were introduced. See

http://michaelgalloy.com/2009/08/15/idl-7-1-itools-procedura l-api.html
http://www.dfanning.com/itool_tips/invisible.html

For some examples.

> - more functionality on accessing the contents of SAVE files (delete
> variables, overwrite,
>   extract just a single named one, rename contents, etc.)

It is already possible to read select variables from save files, even
select heap variables in them, which I have used to obtain only the
targets of select elements in pointer arrays. This is done with the
IDL_Savefile object. Though I would still like some more of the
CMSVLIB functionality to be built-in.
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