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Re: write_png [message #28651]

Wed, 26 December 2001 07:17

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Kenlo Nishida (kenlo@ntsg.umt.edu) writes:

> Have anyone tried write_png to create image
> file in PNG format? Whenever I tried, the
> output image is very different from original
> one, containing lots of stripes of blank.
> When I tried write_bmp instead of write_png,
> it's OK. Therefore, I guess it is due to some
> errors in write_png. My IDL is version 5.5
> on Linux.

It is a known bug. Have a look at this article for
some suggested workarounds:

http://www.dfanning.com/idl5_info/colorbug.html

Cheers,

David
--
David W. Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438, E-mail: david@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155

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