Thanks Malcolm.
for lutedit, I just typed lutedit, and then gave answers to the prompts.
It loaded up a gui, and then complained about a rendezvous file.
regards,
Jane
Malcolm J. Currie wrote:
> Jane,
>
> What command line did you use with LUTEDIT?
>
> For one-off then fiddling within GAIA is your best option as Dave
> suggests. If you have many to do then KAPPA might help.
>
> You need to scale the data so that negative values are assigned one
> integer value and other values are assigned another. MATHS will
> generate a binary image
>
> maths ia=myndf out=binari exp='"qif((ia.lt.0),0,1))"'
>
> and then display in GAIA. GAIA default to scale between 0 and 1
> producing the binary image. You don't need to create a fresh
> colourtable. Select the bgyrw colourmap from to get blue at the lower
> end and red at the other. It just took me a few seconds.
>
> Malcolm
--
Dr Jane V. Buckle
Cavendish Astrophysics Group and Kavli Institute for Cosmology,
Institute of Astronomy, University of Cambridge, Madingley Road,
Cambridge CB3 0HE
Tel: +44 (0)1223 746436
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