Your new Infragram SD4000 seems to have promise. Here is one with my new lut:
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Oh cool! do you want to post your LUT in a numeric format so we can post it as an Infragram.org option?

The format is:

where the outermost [ ] contain a set of [x-position,[r,g,b]] items -- x-position measured from 0-1.

And a name for your LUT and a place to link to for more information about it. Maybe http://publiclab.org/wiki/infragram-luts ?

I will have to see if Fiji can output the values for a lut. Fiji has a GUI lut editor, so I have no idea what the values are. Maybe Ned can help. Here is my lut in the editor:
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I was hoping to post a note on this lut. I just tried to attach the lut file to this comment but dragging it here seemed to make somebody mad.

we only accept certain types of files for upload, for security reasons. I can add .lut, is it an image file or a text file?

I'm not sure what a Fiji lut file is. Might be binary. I got the values into a tab delimited text file.

NDVI_VGYRM-lut.txt

And I was able to circumvent the dastardly security measures to attach it here.

I guess it might be easy for certain people to make this usable at infragram.org. I wouldn't know.

But this is a very new lut and I am just starting to put it to use and evaluate it. So I will post a note about it and see if people have opinions.

Whoa... no, a bit tough to use. If you can describe it as a sequence of colors, the format I mentioned will interpolate gradients between them. Just looking at yours, it seems like it could be:

0: white

0.167: black

0.33: white

0.5: black

0.55: blue

0.7: yellow

0.9: red

1.0: magenta

what do you think?

I get it now. Your translation is good. The blue is actually a light blue, I think [140 140 255] at 0.56. And I put pure green in there explicitly at 0.63 instead of deriving it from a gradient from light blue to yellow (at 0.75). Red is at 0.94.

OK - try it out! I don't think it works in the WebGL version but in the basic version it should: http://infragram.org/sandbox/

Good stuff.