Read an image from an axes and write it in a listbox Matlab

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alladin 2015-1-26

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评论： alladin 2015-1-26

I have a list box that return a list of images' names contained an a folder that i select. once i click on one of the names, i get the image displayed in an axes.

what i exactly want to do is when i click on a button called Select Image; the name of the image displayed in the axes will be written in a second list box that i have.

Does anyone have hints on how to do that?

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Answer 1

Image Analyst 2015-1-26

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https://ww2.mathworks.cn/matlabcentral/answers/171949-read-an-image-from-an-axes-and-write-it-in-a-listbox-matlab#answer_165975

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Try this snippet in your Select Image callback.:

% Get image name
Selected = get(handles.lstImageList, 'value');
numberOfFilesSelected = length(Selected);
% If more than one is selected, bail out.
if numberOfFilesSelected > 1
  return;
end
% If only one is selected, display it.
ListOfImageNames = get(handles.lstImageList, 'string');
baseImageFileName = char(ListOfImageNames(Selected));
fullImageFileName = fullfile(handles.imageFolder, baseImageFileName);  % Prepend folder.
% Put into second listbox
set(handles.listbox2, 'String', {baseImageFileName});

I think it's better to just have that in the listbox callback though. Why force them to click on the image name in the listbox and then click a button rather than have it just display immediately?

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alladin 2015-1-26

Actually i want my axes to display only one image selected from the listbox1 (which is already fine in my example).

I can select many images to be displayed in my axes.

So, that's why i can select more than one image to be displayed in my listbox2(which is not possible for now since it will rest the listbox2 to the new value)

alladin 2015-1-26

I figured it out. I have created a vector, and whenever i select one of the images, i push it to the vector, and like that i could see all the images selected.

Thank you very much for your help

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