% create a new dialog, and populate it with some fields
% each option is defined by a name, a default value, and optionnal settings
gd = GenericDialog('Create Image');
addTextField(gd, 'Name: ', 'New Image');
addNumericField(gd, 'Width: ', 320, 0);
addNumericField(gd, 'Height: ', 200, 0);
addChoice(gd, 'Type: ', {'uint8', 'uint16', 'double'}, 'uint8');
addCheckBox(gd, 'Display', true);
    
% display the dialog, and wait for user input
showDialog(gd);
% check if ok or canceled was clicked
if wasCanceled(gd)
    return;
end
     
% retrieve the user inputs
name    = getNextString(gd);
width   = getNextNumber(gd);
height  = getNextNumber(gd);
type    = getNextString(gd);
display = getNextBoolean(gd);
     
% Create a new image based on user inputs, and display it if requested
img = zeros([height width], type);
if display
    imshow(img);
    title(name);
end