Making a Matlab figure (axes on GUI) scrollable with mouse

Question

Aldo Zaimi 2016-9-22

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https://ww2.mathworks.cn/matlabcentral/answers/304112-making-a-matlab-figure-axes-on-gui-scrollable-with-mouse

评论： Walter Roberson 2016-9-27

Hi, I have a GUI that shows an image and helps the user do manual segmentation. I cannot display the full image (because its too large and thus hard to see & segment the objects manually) so I'm using scroll bars for x and y in order to scroll through the image (& update the display after each scroll) but its not very effective. Do you have any other ideas that could work for this?

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Answer 1

Steven Lord 2016-9-22

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https://ww2.mathworks.cn/matlabcentral/answers/304112-making-a-matlab-figure-axes-on-gui-scrollable-with-mouse#answer_235738

Pan the image.

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Aldo Zaimi 2016-9-27

I cannot use pan because I need to perform operations on the current window display. Its the same issue like using the zoom tool. I can zoom it, but if I click on the image to do an operation (e.g. click on a shape to do a region growing segmentation) it goes back to the initial config (zoom 100%) so I need to recheck on the zoom tool. I just want an option that would allow me to zoom the figure and scroll it while I can click on shapes (to do segmentation).

Walter Roberson 2016-9-27

What you describe does not appear to happen for me, in OS-X.

If I have clicked on the zoom tool and not done anything else, then if I left-click on the image, it automatically zooms in further. If I click on the pan tool after zooming, then any left clicks do not affect the zoom state.

If I am in either the zoom tool or the pan tool and I invoke either impoly or ginput() then it leaves the zoom / pan boundaries untouched, switches out of zoom / pan state, allows me to place the points; afterwards it leaves me in selection (pointer) state.

If I want to reset to original view then I have to go back into either zoom or pan state, right click, and select Return to Original View.

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