MATLAB Answers


Is it possible to get the exact 2D image of the CData matrix of surf plot?

Rafi Ahmed 님이 질문을 제출함. 9 Mar 2019
I have a matlab 3D plot(attached figure). I want to extract the 2D image from the surf plot of matlab like this:
is it possible?

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Answer by Walter Roberson
on 9 Mar 2019

The X data in the graphics object is irregularly spaced, forming a sine wave. Therefore we cannot simply take the ZData or CData properties and build a matrix from there.
You will need to getframe() the axes and write that to file.
Alternately if you use export_fig from the File Exchange then it can write more directly to file.

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Thanks for your reply. The size of the image is 360 by 360. Export_fig can get the file but it changes the size of the image.
can i use getframe like this:
ax = gca;
ax.Units = 'pixels';
ti = ax.TightInset;
F = getframe(ax,[-ti(1), -ti(2), 360 ,360]);
but it is not working. Please help me.

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