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Modified CMRmap

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Modified CMRmap

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Produces a colour colormap, of arbitrary length, that is monochrome-compatible.

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Description

Create a monochrome-compatible colour map

cmap = CMRmap
cmap = CMRmap(M)

cmap = CMRmap returns a colour map CMAP (varying black - purple - red - yellow - white) that is monochrome-compatible, i.e. it produces a monotonic greyscale colour map. CMAP is size Mx3, where M is the length of the current figure's colormap. If no figure exists, MATLAB creates one.

cmap = CMRmap(M) sets the colormap length to M.

The map is a slight modification to that suggested in [1].

EXAMPLE

figure;
imagesc(peaks(1000));
colormap(CMRmap(256));
axis image;
colorbar

REFERENCE

[1] Rappaport, C. 2002: "A Color Map for Effective Black-and-White Rendering of Color Scale Images", IEEE Antenna's and Propagation Magazine, Vol.44, No.3, pp.94-96 (June).

Acknowledgements

Cm Rmap.M inspired this file.

Required Products MATLAB
MATLAB release MATLAB 8.0 (R2012b)
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Comments and Ratings (1)
13 Jun 2013 Joao Henriques  

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