how can I plot on colorbar python

Question

How can I plot on a colorbar?

If for example I create a colorbar that range from 0,1 and I want to mark a with a red line the values 0.3 and 0.8 , how can I do it?

Thanks,

Deditos · Accepted Answer · 2015-07-12 10:17:17Z

3

Actually I managed to find the answer

from matplotlib.pyplot import imshow, colorbar

data = [[0.0,0.2],[0.5,1.0]]
imshow(data)

cb = colorbar()
cb.ax.plot([0,1],[cb.norm(0.3),cb.norm(0.3)],'r')
cb.ax.plot([0,1],[cb.norm(0.8),cb.norm(0.8)],'r')

edited Jul 12, 2015 at 10:17

Deditos

1,4251 gold badge14 silver badges23 bronze badges

answered Jul 11, 2015 at 23:02

Oren

5,4795 gold badges45 silver badges68 bronze badges

Sign up to request clarification or add additional context in comments.

1 Comment

Deditos Over a year ago

I added a few lines to make your answer runnable.

Collectives™ on Stack Overflow

how can I plot on colorbar python

1 Answer 1

1 Comment

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

1 Comment

Your Answer

Sign up or log in

Post as a guest

Related