function flipper()

% written by:  DLB 2/28/07
% sick of all this WB z-flipping crap.  thank goodness this program is
% already obsolete!!!

clear all;
s = pwd;
cd C:\Data

[filename, pathname] = uigetfile({'*.img';'*.*'},'File Selector');
if isequal(filename,0)
   disp('User selected Cancel')
else
   disp(['User selected', fullfile(pathname, filename)])
end

dat = fread(fopen([pathname filename],'r','ieee-be'),inf,'float');
a = size(dat)/128/128;
zdim = a(1);
data = reshape(dat,128,128,zdim);
if zdim == 239
    chunk1 = data(:,:,1:1:34);
    chunk2 = data(:,:,35:1:68);
    chunk3 = data(:,:,69:102);
    chunk4 = data(:,:,103:1:136);
    chunk5 = data(:,:,137:1:170);
    chunk6 = data(:,:,171:1:204);
    chunk7 = data(:,:,205:1:239);
    A(:,:,1:1:35) = chunk7(:,:,1:1:35);
    A(:,:,36:1:69) = chunk6(:,:,1:1:34);
    A(:,:,70:1:103) = chunk5(:,:,1:1:34);
    A(:,:,104:1:137) = chunk4(:,:,1:1:34);
    A(:,:,138:1:171) = chunk3(:,:,1:1:34);
    A(:,:,172:1:205) = chunk2(:,:,1:1:34);
    A(:,:,206:1:239) = chunk1(:,:,1:1:34);
    output = A;
end
if zdim == 171
    chunk1 = data(:,:,1:1:34);
    chunk2 = data(:,:,35:1:68);
    chunk3 = data(:,:,69:102);
    chunk4 = data(:,:,103:1:136);
    chunk5 = data(:,:,137:1:171);
    A(:,:,1:1:35) = chunk5(:,:,1:1:35);
    A(:,:,36:1:69) = chunk4(:,:,1:1:34);
    A(:,:,70:1:103) = chunk3(:,:,1:1:34);
    A(:,:,104:1:137) = chunk2(:,:,1:1:34);
    A(:,:,138:1:171) = chunk1(:,:,1:1:34);
    output = A;
end
if zdim == 136
    chunk1 = data(:,:,1:1:34);
    chunk2 = data(:,:,35:1:68);
    chunk3 = data(:,:,69:102);
    chunk4 = data(:,:,103:1:136);
    A(:,:,1:1:34) = chunk4(:,:,1:1:34);
    A(:,:,35:1:68) = chunk3(:,:,1:1:34);
    A(:,:,69:1:102) = chunk2(:,:,1:1:34);
    A(:,:,103:1:136) = chunk1(:,:,1:1:34);
    output = A;
end
fid = fopen([pathname filename '.Z-FLIPPED'],'w','ieee-be');
fwrite(fid,output,'float');
fclose all;