How to set background as black without appearing in colorbar?
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Hi, I have an image and the pixel values range from 0 to 180, represented by jet colorbar range.
However, I would like to differentiate my object in the image with its background by setting the background pixels out of the [0 180] range, such as 500, and make the pixels which have 500 value to be black.
But I do not want it to appear as part of the color bar. How can I go about doing that ??
Any form of help is much appreciated and happy holiday! :)
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Antworten (2)
Doug Hull
am 29 Mär. 2013
Axes have color. You could set the color of the axes. Then you can put NaN in the image on any pixel you want to be 'empty'.
Sean de Wolski
am 29 Mär. 2013
Set the 'YLim' property of the colorbar to be the range you want:
surf(peaks);
h = colorbar;
set(h,'YLim',[2 5]);
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