get_image_depth(imagearray)

%--------------------------------------------------------------------%
%	    Alison Chaiken, sole author and maintainer     			     %
%        ------------------------------------------------------      %
%	    GUI-based Matlab and FEMLAB data analysis, instrument	     %
%	    control, statistical analysis, finite-element modelling,     %
%	    image acquisition and analysis          				     %
%       -------------------------------------------------------      %
%	    [e-mail]			                    		     %
%	    http://www.exerciseforthereader.org/         			     %
%	    [phone]-5600					                         %
%--------------------------------------------------------------------%

function depth = get_image_depth(imagearray)
% Extract size in bits of color specification from string used to describe
% image format.

switch (class(imagearray))
    case 'uint8'
        depth=8;
    case 'uint16'
        depth=16;
    case 'uint32'
        depth=32;
    case 'uint64'
        depth=64;
    otherwise
        error('Unknown data type.')
end