How to put tick in front of a picture?

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Mr M.
Mr M. 2017-1-15
编辑： Image Analyst 2019-10-7
I would like to use imagesc but it covers xticks, yticks. Is it possible to uncover them?

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回答（2 个）

Star Strider
Star Strider 2017-1-15
Using the Layer axis property also works:
PB2 = imread('Cj0MdYJUoAAReUH.jpg');
figure(1)
imagesc(PB2)
set(gca, 'Layer','top')
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Image Analyst
Image Analyst 2017-1-15
Now your tick marks are on the inside of the axes box, and mine are on the outside. I know that you can set a default in setiptprefs() for whether or not you want the tick marks and labels to be shown by default when you call imshow(). But after a quick look in the help I didn't see where you could set the tick mark style as 'outside', 'inside', or 'crossing' though I think it's there somewhere. Do you know how to do that?
Star Strider
Star Strider 2017-1-15
In R2016b (and the other more recent releases), that would be:
set(gca, 'TickDir', 'out')
or:
set(gca, 'TickDir', 'both')
I tested these and will post the results if you want me to. This is in the Axis Properties documentation.

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Image Analyst
Image Analyst 2017-1-15
编辑：Image Analyst 2019-10-7
Use imshow followed by axis on:
imshow(yourImage);
axis on;
You'll get tick marks outside the axes box (which you can also turn on or off if you want).

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