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[fitsbits] Question(s) regarding development of proprietaryFITS manipulation software. . .
On Wed, 19 Sep 2007, Mark Calabretta wrote:
On Tue 2007/09/18 10:14:52 MST, gberz3 wrote in a message to: 8-byte increments and converted to a double. That will then allow me to map RGB pixel data to a buffer. I bet you'd have trouble believing how controversial the proposal to add colour capability to FITS is. However, this question continues to rear its colourful head. Never mind. You will find my initial thoughts on how it should be done at http://listmgr.cv.nrao.edu/pipermail...ry/000470.html Mark, I just reread that. I can see that. You're talking about something like Wien's law, or maybe Wien's law in false colors, or maybe perceived colors. My understanding of the OP's question/interpretation is that there's color information intrinsic to FITS images (or FITS data arrays of any sort). If I use something like GAIA (Dave Berry, comment appreciated) I can set my color pallette (sp?), I can cut levels to bring out the details I'm after, be they astronomical or instrument intrinsic faults (like channel edges, a problem we're in the process of trouble shooting), I can cut lines across and do a lot more things that have nothing to do with color. Where I'm at I find e.g. ellipticities of images (or rather getting rid of them) much more interesting than colors. (Dave Berry, concerning GAIA, I'm perfectly happy with our default color scheme) Aloha, Maren (UKIRT instrument (control, not data reduction) s/w eng, currently mostly dealing with WFCAM operations issues, which aren't even image quality, in spite of that I should be doing CGS4 development work - and not speaking for my employer here) |
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