comp.lang.idl-pvwave archive - RDF feed
type: channel
description: Messages from Usenet group comp.lang.idl-pvwave, compiled by Paulo Penteado
items: Re: True colors and IDL

Re: True colors and IDL
type: item
description: In article <316EAAAA.41C6@eitv2.nascom.nasa.gov>, Jeffrey Newmark <newmark@eitv2.nascom.nasa.gov> writes: > Hi, > > I am running IDL 4.0.1 on a DEC AlphaStation (Digital UNIX) with > a 24 bit monitor. I routinely display a large number of 1024x1024 > images from FITS files. These images are displayed using 1 of 4 > color tables we have added to the standard IDL set. I am presently > setting device,pseudo_color=8 since I haven't found a QUICK > way to create the TRUECOLOR images on the fly. I don't know about the rest of the pseudo-color stuff, but if you want to display a color-mapped image P, you can use the following command (supposing the colormap is stored in the variables R, G and B): tv, [[[R(P)]],[[G(P)]],[[B(P)]]], true=3 should be fast enough!? Peter ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~ Peter "Pit" Suetterlin http://www.kis.uni-freiburg.de/~ps Kiepenheuer Institut fuer Sonnenphysik Tel.: +49 761 3198-210 ps@kis.uni-freiburg.de -- * -- * ...-- * -- * ...-- * -- * ...-- * -- * ...-- * -- * ...-- * -- Come and see the stars! http://www.kis.uni-freiburg.de/~ps/SFB Sternfreunde Breisgau e.V. Tel.: +49 761 73571 or 278588 ____________________________________________________________ ______________
creator: ps
date: 1996-04-15T07:00:00-00:00