Removing white axes border around image GUI

Question

Mikolaj Wydra 2023-3-16

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1930170-removing-white-axes-border-around-image-gui

回答： Vinayak Choyyan 2023-4-12

Screenshot 2023-03-16 at 23.57.03.png

I Have a problem when coding my GUI i read an image file after pressing the LOAD button and try to insert the image into the axes but cant get rid of the white border around it, any suggestions?

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Jan 2023-3-17

Please post the code you use for displaying the image.

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Answer 1

Vinayak Choyyan 2023-4-12

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https://ww2.mathworks.cn/matlabcentral/answers/1930170-removing-white-axes-border-around-image-gui#answer_1214064

Hi Mikolaj,

As per my understanding, you are using ‘uiimage’ of MATLAB App Designer and facing an issue with a white background when loading new images into the ‘uiimage’.

To resolve the issue you are facing, you can try out any of the following solutions:

Set the ‘BackgroundColor’ property of ‘uiimage’ to ‘none’. To know more about ‘BackgroundColor’ property, please refer to this documentation page https://www.mathworks.com/help/matlab/ref/matlab.ui.control.image-properties.html#mw_03d5d287-464f-41e1-91de-cf8db63135c7. You can also change the background color to match the app background color.
By default, the ‘ScaleMethod’ property of ‘uiimage’ is set to ‘fit’. Change this property to hide the background color as per your use case. To know more about ‘ScaleMethod’ property, please refer to this documentation page https://www.mathworks.com/help/matlab/ref/matlab.ui.control.image-properties.html#mw_f8a05f7c-9b7a-45c0-87dc-cc44b6c16b36_sep_mw_987a59d0-ad6c-4838-b9bc-afa9465b666e
Adjust the ‘Position’ property of ‘uiimage’ to match the image’s size. To know more about ‘Position’ property, please refer to this documentation page https://www.mathworks.com/help/matlab/ref/matlab.ui.control.image-properties.html#mw_93260cd1-c3dd-40a8-942d-41a75a301966

I hope this resolves the issue you are facing.