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using colormap to assign one color for values => 0 and one for < 0

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mashtine on 14 Nov 2014
Answered: Kelly Kearney on 14 Nov 2014
I am having no luck using colormap or caxis to set the limits of the two colors on the colorbar. Is there a way (not using the colorbar editor) to easily set values < 0 to blue and values => 0 to red?

Accepted Answer

Kelly Kearney
Kelly Kearney on 14 Nov 2014
colormap([0 0 1; 1 0 0]);
set(gca, 'clim', [-1 1]); % or any centered-on-0 limits

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