splot - invert colour

babbloo wrote on Dec 06, 2009

Hi

When I use splot to analyze the FITS spectra, is there anything I could do to save the image in black and white format, so that it looks clear when I print it on a paper?

I need to include images in a report and currently taking screenshots of the green and black coloured screen. It doesn't look really good when I print them out.

Can you please help me out in this at the earliest?

Thanks

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Mike Fitzpatrick wrote on Dec 06, 2009

For inclusion in another document, the simplest thing is to use the 'eps' device name to create a B&W EPS file in the current directory called 'sgiXXXX.eps' (where the XXXX is some process id). You can do this with ":.snap eps" from an interactive cursor, or by setting the task 'device' parameter to 'eps' for non-interactive tasks like CONTOUR. You'll need to follow this with a ":.gflush" or "gflush" at the cl prompt to flush the plot to the file.

Similarly, there is a 'g-gif' device that will produce a 640x480 GIF image of the plot.
Another solution is simply to use an Xterm instead of an XGterm and set the fore/background colors appropriately, however the EPS will be scalable within the doc.

If you get an error about 'sgidispatch: command not found' then the iraf commands directory is not in the path included in your .cshrc/.bashrc file, or if you're using SciSoft there may be a know problem that this command isn't installed (search the forums for SciSoft for a solution).

-Mike

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Last post on Dec 06, 2009