Re: thumbnails

[Reimar Bauer <r.bauer(at)fz-juelich.de>]

David Fanning wrote:
> 
> steve (nobody@nowhere.com) writes:
> 
> > Does anyone know how to produce *.eps files with thumbnails (in IDL 5.x)?
> 
> IDL 5.4 has some new keywords for producing a PostScript preview
> image: PRE_XSIZE, PRE_YSIZE, PRE_DEPTH. These are suppose to
> allow you to create a preview, or thumbnail, image of a particular
> size.
> 
> I just tried it with a screen snapshot:
> 
>    snapshot = TVRD(True=1)
>    Set_Plot, 'PS'
>    Device, /Encapsulate, /Preview, Pre_XSize=100, Pre_YSize=100, $
>       Pre_Depth=8, Color=1
>    TV, snapshot, True=1
>    Device, /Close_File
> 
> IDL went away for 5-6 several seconds while the file was written.
> But the resulting file was over 17 MBytes in size!
> 
> I think I'm going to stick to the tried and true way of
> adding preview images in GhostView. :-(


Oh David,

why would you like to have a preview of about 100cm x 100cm.
I believe the units are cm or am I wrong?

  

cheers
Reimar

-- 
R.Bauer 

Institut fuer Stratosphaerische Chemie (ICG-1)
Forschungszentrum Juelich
email: R.Bauer@fz-juelich.de