How to plot the contourf result inside an specific axes on GUI?

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Eduardo Martins
Eduardo Martins 2018-10-8
回答： Walter Roberson 2018-10-8
Hello guys. I am having a problem when I try to load a picture, apply the Contourf function and plot in the correct axes. Every time I load the picture, the Contourf result takes place on the last axes on my GUI. Without using the GUI it works perfectly using a new figure. I will show the code without GUI and with GUI. Thank you so much.
--------------- BUTTON CODE -------------- [path, user_cance] = imgetfile();
if user_cance msgbox(sprintf('Please, select image!'), 'Error', 'Error'); return end
index = imread(path); index = imresize(index, 0.05); index_gray = rgb2gray (index);
index_rot = imrotate(index_gray, 90); index_ref = contourf(index_rot);
axes(handles.ax_index_ref); imshow(index_ref); ----------- END BUTTON CODE ----------

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回答（1 个）

Walter Roberson
Walter Roberson 2018-10-8
Pass the axes handle as the first parameter to contourf.
Note: doing so will not change which axes is the active axes, which could be just about any axes. I recommend that you search on tag:always-parent

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