[Octave-bug-tracker] [bug #49363] colormap list removed but help not fully updated

[Rik]

Follow-up Comment #3, bug #49363 (project octave):

@Carnë: Using rgbplot was exactly what I had in mind, but I don't think
there's enough time to make the change for the 4.2.0 release.

There would have to be a new m-file like plotimages.m in doc/interpreter that
generated the colormap images in the four formats: .txt, .eps, .pdf, .png. 
Hooking the images into the build system is also not straightforward because
it goes through images.awk and the separate file images and then possibly
through module.mk.  And then the docstring itself would need to be amended to
have @ifinfo blocks and @image tags.  In short, I ran out of energy for all of
that.  But yes, this would be a nice improvement and should get done at some
point.

Long term, I think all of the image and plot functions should have visual
documentation.  It's too hard to understand what something like the jet
colormap is from text alone ("This colormap ranges from dark blue through
blue, cyan, green, yellow, red, to dark red.").  But a picture makes it
obvious.

I'll file a wish list request for all of this.


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