Plot over image in AppDesigner

Question

Krzysztof Korozej 2019-1-15

3
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/439918-plot-over-image-in-appdesigner

回答： Abhinav 2023-7-5

Hello,

Im creating my app in AppDesigner and im wonder how to plot something over image. Below i attached my code, it would be nice if someone help me! Thanks!

        function LocalizeButtonPushed(app, event)
            app.Tumour = bwareafilt(app.imgEroded, 1, 'Largest');
            
            app.UIAxes_4.reset;
            I = imshow(app.imgGray, 'Parent', app.UIAxes_4, 'XData', [1 app.UIAxes_4.Position(3)], 'YData', [1 app.UIAxes_4.Position(4)]);
            
            hold(app.UIAxes_4, 'on');
            
            app.UIAxes_4.XLim = [0 I.XData(2)];
            app.UIAxes_4.YLim = [0 I.YData(2)];
            
            %I WOULD LIKE TO OVERLAY THIS BUT SEEMS NOT WORK
            [B,L] = bwboundaries(app.Tumour,'noholes');
            for k = 1:length(B)
                boundary = B{k};
                plot(app.UIAxes_4, boundary(:,2), boundary(:,1), 'r', 'LineWidth', 1.1);
            end
        end