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write_ppm (newbie) [message #24940]

Thu, 03 May 2001 09:38

Craig John Wallace
Messages: 1
Registered: May 2001

Junior Member

Hi

I'm a little stuck with the write_ppm function in IDL5.4, can anyone help?

I know the syntax for the function follows:

write_ppm, filename, image

where image contains the info on what you want to write.
So far I have been specifying image as...

image=tvrd()

...and then writing the write_ppm function.

Trouble is this only seems to write is as a gray-scale image, and if I
try....

write_ppm,filename, tvrd(),r,g,b

(having done tvlct,/get,r,g,b)

..IDL won't have it, as there are the incorrect number of arguements
following the function. How can I get a color ppm?

Thanks in adavnce to those who reply

Cheers

Craig

---------------------------------------------
Craig Wallace Craig.Wallace@uea.ac.uk
Postgraduate, Climatic Research Unit,
University of East Anglia,
Norwich, Norfolk, NR4 7TJ, ENGLAND

Tel: (01603) 592702

http://www.uea.ac.uk/~f907076/
---------------------------------------------

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write_ppm (newbie)

By: Craig John Wallace on Thu, 03 May 2001 09:38

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