%% Navigate to Next Image in TIFF File
% Get information on the Photometric tag of the image in the current IFD, navigate to the next image in the file, and examine the same tag for the next image.
% Create a Tiff object for the file example.tif.

t = Tiff('example.tif','r');

% Display the current directory number and get the value of the Photometric tag from the current IFD. A value of 2 for the Photometric tag corresponds to the colorspace RGB in the TIFF specifications.

dirNum = currentDirectory(t) 
value = getTag(t,'Photometric')

% Navigate to the next IFD

nextDirectory(t);

% Display the current directory number and get the value of the Photometric tag from this IFD. A value of 1 for the Photometric tag corresponds to the colorspace MinIsBlack in the TIFF specifications.

dirNum = currentDirectory(t)
value = getTag(t,'Photometric')

% Close the Tiff object.

close(t);

% Copyright 2012 The MathWorks, Inc.