MATLAB: Multiple lines in msgbox

guimsgbox

How can i write multiple lines in msgbox ?

here it is just write in 2 lines ! .. but i need more than 2 lines : (

uiwait(msgbox({'line1';'line2' } ,'About !','modal'));

Best Answer

uiwait(msgbox({'line1';'line2';'line3';'line4' } ,'About !','modal'));

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MATLAB: I have a folder of .tif images that need to be converted to a different format for downstream analysis

Hi,

I think your input tif files are in single format whereas your output file format which is jpeg doesn't support single format while using imwrite (you can find using help imwrite in the 'fmt' of the file output section)

You can do this instead. either save them in a different file format let us say 'bmp', 'jp2' or 'png'. Else you can do the following thing by converting your input image from single format to unsigned integer 8 (uint8).

% Specify the folder where the files live.
myFolder = '/Users/masonlien/Desktop/PhD/Drone/2020/test';
% Check to make sure that folder actually exists.  Warn user if it doesn't.
if ~isfolder(myFolder)
	errorMessage = sprintf('Error: The following folder does not exist:\n%s\nPlease select another folder.', myFolder);
	uiwait(warndlg(errorMessage));
	myFolder = uigetdir();
end
% Get a list of all files in the folder with the desired file name pattern.
filePattern = fullfile(myFolder, '*.tif'); % Change to whatever pattern you need.
theFiles = dir(filePattern);
numFiles = length(theFiles);
if numFiles == 0
	warningMessage = sprintf('Warning: no TIFF images found in the folder:\n%s', myFolder);
	uiwait(warnuser(warningMessage));
	return;
end
for k = 1 : numFiles
	baseFileName = theFiles(k).name;
	fullFileName = fullfile(myFolder, baseFileName);
	fprintf('Now reading %s (#%d of %d).\n', fullFileName, k, numFiles);
    % such as reading it in as an image array with imread()
    
    % Change made here 
	imageArray = uint8(imread((fullFileName)));
	imshow(imageArray);  % Display image.
	caption = sprintf('%s (#%d of %d)', fullFileName, k, numFiles);
	title(caption, 'FontSize', 14, 'Interpreter', 'none');
	drawnow; % Force display to update immediately.
	% Write it out as a PNG file.
	baseFileName = strrep(lower(baseFileName), '.tif', '.jpg');
	outputFileName = fullfile(myFolder, baseFileName);
	fprintf(1, 'Now writing %s\n', outputFileName);
 	imwrite(imageArray, outputFileName);
end

MATLAB: Help me about msgbox in Matlab GUI

Where does the second msgbox come from? What does it say? Do you need it to wait for the user to click OK in the first message box before continuing on with your code?

I usually do

uiwait(msgbox('whatever I want to say'));

but actually I've made a msgboxw() function as it's own m-file and saved it to a folder on my path.

function msgboxw(message)
uiwait(msgbox(message));

Then I just call msgboxw('hello world') whenever I need a message box that displays and waits for me to click ok before barreling on with the code.

Best Answer

Related Solutions

MATLAB: I have a folder of .tif images that need to be converted to a different format for downstream analysis

MATLAB: Help me about msgbox in Matlab GUI

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