change scroll of image by zooming in and out of an image

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mary 2011-6-18

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https://ww2.mathworks.cn/matlabcentral/answers/9798-change-scroll-of-image-by-zooming-in-and-out-of-an-image

hi everyone,

i have used imscrollpanel to put scroll around the image to show it in it's original resolution.but when i zoom in the image the scroll doesn't change. and i can't see the whole image.and i should use pan to see other parts. now how can i change the size of scroll as the size of image changes by zooming in and zooming out? tnx for your help...

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Image Analyst 2011-6-18

What do you mean when you zoom in you can't see the whole image? You should be able to see a part of the image in the "viewport" and if you use scrollbars to pan around you should see the whole image, one small magnified part at a time. What does "change the size of the scroll" mean?

mary 2011-6-18

you know the image size is 960*1440, and i used scroll to view it in it's original size. but when i zoom in, the image resolution becomes bigger, and with moving the scrolls i can't see the whole parts of image, unless i use pan.but i want to see all part of image just by using the scrolls...

i'm not sure if i could say what i mean!

tnx for your attention

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