Axes ticks labeling in contourf
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Hi
How do I label the X and Y ticks in contourf ? if I have a 20x30 matrix, when I use contourf the x-axis is labeled from 0 to 20 and the y from 0 to 30, how do I change it to different values ( for example the x should be from 100 to 120 and the y from 200 to 230)
Thanks
Shani
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Walter Roberson
il 19 Feb 2012
Provide the x and y values at the time of the contourf() call.
contourf(X,Y,Z), contourf(X,Y,Z,n), and contourf(X,Y,Z,v) draw filled contour plots of Z using X and Y to determine the x- and y-axis limits. When X and Y are matrices, they must be the same size as Z and must be monotonically increasing.
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the cyclist
il 19 Feb 2012
For example:
set(gca,'XTick',100:2:120,'XTickLabel',100:2:120)
EDIT IN RESPONSE TO COMMENT:
Here is a fuller example:
z = peaks;
figure
contourf(z);
set(gca,'XTick',10:10:40,'XTickLabel',10:10:40)
"gca" means "get current axis".
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