On Mon, Aug 16, 2010 at 4:48 PM, Friedrich Romstedt < friedrichromst...@gmail.com> wrote:
> Ben, I fully agree with you that figures should be able to be saved > both coloured and grayscale. It was a misunderstanding. What I meant > was, that it will not be necessary to display one part of the figure > in colour and the other in grayscale at the same time. > > Friedrich > > "...it will not be necessary..." I think we are still getting confused here. I was listing off several different kinds of use-cases where one would like to have a mix of grey colormaps and colored colormaps. The reason I mention being able to save a greyscale and a color version of the same figure is in the context of my approach to solving this problem (the swapping out of colormaps). Honestly, I think that your approach is better for dealing with that particular use case. However, I mention other cases where one is merely wanting a modified version of a particular colormap to use, be it greyscale, or inverse, or brighter/darker, etc. What I envision your solution to be solving would be something like this: fig = plt.figure() ax = fig.add_subplot(1, 2, 1) ax.plot(np.linspace(1, 10, 10), np.linspace(2, 8, 10)) ax.plot(np.linspace(1, 10, 10), np.linspace(4, 9, 10)) ax = fig.add_subplot(1, 2, 2) ax.set_grey(True) ax.plot(np.linspace(1, 10, 10), np.linspace(1, 8, 10)) ax.plot(np.linspace(1, 10, 10), np.linspace(3, 7, 10)) ax.plot(np.linspace(1, 10, 10), np.linspace(2, 9, 10)) plt.show() And see one in color and one as grey and the other as color. This would be a nice feature, but I would settle for it to be at the level of the entire figure. I think my approach is trying to solve a related, but different problem. My approach is trying to make colormaps more usable and flexible for the users. I would like to ensure that matplotlib does not artificially limit the ability of a user to fully utilize the variety of colormaps available to him. Ben Root
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