Rotate image in Matlab app designer
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I was able to get an image rotated using Matlab GUI. I am now trying to implement the same effects using Matlab App Designer. Can you direct me as to how I can go about rotating the image using App designer with a slider.
Here is an extract of the code putting the image in the UIaxes:
% Code that executes after component creation
% Value changing function: SteeringSlider
function SteeringSliderValueChanging(app, event)
changingValue = event.Value;
How to now rotate the image?
Rajesh Balagam on 16 Oct 2017
Edited: Rajesh Balagam on 16 Oct 2017
You need to store the image data in the app using a custom public property and access this data to rotate the image in the callback for slider.
Store the image data:
app.imageData = imread('cameraman.tif');
Rotate the image using imrotate function in slider callback:
rotatedImage = imrotate(app.imageData, changingValue);
Refer to this link ( https://www.mathworks.com/help/matlab/creating_guis/share-data-across-callbacks-in-app-designer.html) on how to share data between callbacks in appdesigner.