Colormap demos?

[John W. Eaton]

On 21-Oct-2009, Søren Hauberg wrote:

| I often have problems remembering how different colour maps work ("does
| red mean a high or a low value?"), so I'd like to have an easy way of
| visualising the maps. If I made a patch adding demos to the various
| colour map functions ('jet', 'hsv', ...) that all do something like this
| 
|     ## Show the 'hsv' colormap as an image
|         image (1:64, linspace (0, 1, 64), repmat (1:64, 64, 1)')
|         axis ([1, 64, 0, 1], "ticy", "xy")
|         colormap hsv
| 
| would such a patch be accepted?

I have no objection to additional graphics demos.

jwe