function [General, Volume, Calibration] = initialize(filename)

%**************
% Replace with a read from a file of file names.
Filenames{1} = 'general_parameters.txt';
Filenames{2} = 'volume_parameters.txt';
Filenames{3} = 'stereo_parameters.txt';
%**************

fid_general = fopen(Filenames{1});
fid_volume = fopen(Filenames{2});
fid_calibration = fopen(Filenames{3});

General = fscanf(fid_general,'%g');
Volume = fscanf(fid_volume,'%g', [4, inf])';
Calibration = fscanf(fid_calibration,'%g');