Hi Stephanie,

Hmm, it doesn't look like there is a messed up pointer in the yt/visualization/_colormap_data.py file to me, and looking at (random site found searching for idl maps) http://ham.space.umn.edu/johnd/ct/ct-names.html it seems like they have qualitatively the same colors for rainbow+white.  If you want to try editing the _colormap_data.py entry for "idl39" you might have some luck.  It seems from http://yt-project.org/docs/dev/_images/cmap_images__Projection_Rainbow_+_white_r.png that the white is being put at the max value (which gets put at the bottom for the _r) rather than the min value, which is I think what you want.

Let us know if that helps.

Sam

On Mon, Feb 17, 2014 at 5:27 PM, Stephanie Tonnesen <stonnes@gmail.com> wrote:

Hi yt-users,

I am imagining that this is something silly, but I tried to use rainbow + white, and it seems to me that it is actually rainbow + black?  Certainly on the colormaps page those two maps look identical:  http://yt-project.org/docs/dev/visualizing/colormaps/index.html?highlight=cmap

Is this actually the case?  is there just some simple pointer that is messed up somewhere?  Or can someone point me to the white in rainbow+white?

Thanks!

Stephanie

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