writecfl.m

function writecfl(filenameBase,data)
%WRITECFL  Write complex data to file.
%   WRITECFL(filenameBase, data) writes reconstruction data to 
%   filenameBase.cfl (complex float) and its dimensions to filenameBase.hdr.
%
%   Written to edit data with the Berkeley Advanced Reconstruction Toolbox (BART).
%
%   Parameters:
%       filenameBase:   path and filename of cfl file (without extension)
%       data:           array/matrix to be written
%
% Copyright 2013. Joseph Y Cheng.
% Copyright 2016. CBClab, Maastricht University.
% 2012 Joseph Y Cheng (jycheng@mrsrl.stanford.edu).
% 2016 Tim Loderhose (t.loderhose@student.maastrichtuniversity.nl).

    dims = size(data);
    writeReconHeader(filenameBase,dims);

    filename = strcat(filenameBase,'.cfl');
    fid = fopen(filename,'w');
    
    data = data(:);
    
    fwrite(fid,[real(data)'; imag(data)'],'float32');
    fclose(fid);
end

function writeReconHeader(filenameBase,dims)
    filename = strcat(filenameBase,'.hdr');
    fid = fopen(filename,'w');
    fprintf(fid,'# Dimensions\n');
    for N=1:length(dims)
        fprintf(fid,'%d ',dims(N));
    end
    if length(dims) < 5
        for N=1:(5-length(dims))
            fprintf(fid,'1 ');
        end
    end
    fprintf(fid,'\n');
    
    fclose(fid);
end