| Catalyst Library Going Open Source [message #62970] |
Tue, 14 October 2008 06:26 |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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Folks,
Later this week Mike Galloy and I will have my Catalyst
Library set up as an Open Source software project. I'm
still working on documentation issues, but I have the code
pretty much ready to go. This morning's discussion of
iTools has prompted me to give you an early look at what
is possible.
I had occasion last week to be working with iImage. I find
this program, like almost all the iTools, incomprehensible.
For God's sake, I just want to look at my image! But the
image jumps around in size so I have to scroll around all
the time, I can't get the damn thing to fill up the window,
etc. I loose patience quickly.
So, I thought I would just build an iImage-like tool in
Catalyst to show new users how it can be done. It took
me about five hours, start to finish.
If you are interested in this, you can download the
preliminary Catalyst distribution here:
http://www.dfanning.com/misc/catalyst.zip
The file is about 1.5 MByte in size, and contains two
directories: catalyst and coyote. (You will need this
updated Coyote directory.) Add these two directories
to your path (please be sure your other Coyote directory
doesn't interfere. In fact, get rid of it). Be careful
to add the directories to your IDL path in such a way
that the sub-directories are searched, too.
Once installed, to see this new iImage-for-the-rest-of-us
miracle of easy programming, type this:
IDL> ImgWin, image
Where "image" is any 2D array or true-color image. (You will
have more functionality in the tool if the image is a 2D array.)
I'd be curious to know if it works. :-)
If this Open Source project takes off like I hope it will,
I think it might be possible to have interactive tools that
work the way *we* do, and not the way some marketing
type *thinks* we do.
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
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