Home > vbmeg > functions > device > acqdata > vb_posfile_get_sphericalinfo.m

vb_posfile_get_sphericalinfo

PURPOSE ^

<<getter>> return center and radius from POS-MAT file

SYNOPSIS ^

function [center, radius, c_type] = vb_posfile_get_sphericalinfo(posfile)

DESCRIPTION ^

 <<getter>> return center and radius from POS-MAT file
 [usage]
   [center, radius, c_type] = vb_posfile_get_sphericalinfo(posfile)
 [input]
    posfile : <required> <<file>> POS-MAT file
 [output]
     center : center coordinate of spherical head [1x3 double]
     radius : radius of spherical head [x1 double]
     c_type : coordinate type [x1 string]
 [note]
   
 [history]
   2008-02-25 (Sako) initial version

 Copyright (C) 2011, ATR All Rights Reserved.
 License : New BSD License(see VBMEG_LICENSE.txt)

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SUBFUNCTIONS ^

SOURCE CODE ^

0001 function [center, radius, c_type] = vb_posfile_get_sphericalinfo(posfile)
0002 % <<getter>> return center and radius from POS-MAT file
0003 % [usage]
0004 %   [center, radius, c_type] = vb_posfile_get_sphericalinfo(posfile)
0005 % [input]
0006 %    posfile : <required> <<file>> POS-MAT file
0007 % [output]
0008 %     center : center coordinate of spherical head [1x3 double]
0009 %     radius : radius of spherical head [x1 double]
0010 %     c_type : coordinate type [x1 string]
0011 % [note]
0012 %
0013 % [history]
0014 %   2008-02-25 (Sako) initial version
0015 %
0016 % Copyright (C) 2011, ATR All Rights Reserved.
0017 % License : New BSD License(see VBMEG_LICENSE.txt)
0018 
0019 % --- CHECK ARGUMENTS --- %
0020 if ~exist('posfile', 'var'), posfile = []; end
0021 [posfile] = inner_check_arguments(posfile);
0022 
0023 % --- MAIN PROCEDURE --------------------------------------------------------- %
0024 %
0025 center = [];
0026 radius = [];
0027 c_type = [];
0028 
0029 pos = load(posfile);
0030 if ~isfield(pos, 'spherical_info')
0031   return;
0032 end
0033 center = pos.spherical_info.Vcenter;
0034 radius = pos.spherical_info.Vradius;
0035 c_type = pos.spherical_info.coord_type;
0036 return;
0037 %
0038 % --- END OF MAIN PROCEDURE -------------------------------------------------- %
0039 
0040 % --- INNER FUNCTIONS -------------------------------------------------------- %
0041 %
0042 % --- inner_check_arguments()
0043 %
0044 function [posfile] = inner_check_arguments(posfile)
0045 func_ = mfilename;
0046 if isempty(posfile)
0047   error('(%s)posfile is a required parameter', func_);
0048 end
0049 if exist(posfile, 'file') ~= 2
0050   error('(%s)cannot find posfile : %s', func_, posfile);
0051 end
0052 return;
0053 %
0054 % --- end of inner_check_arguments()
0055 %
0056 % --- END OF INNER FUNCTIONS ------------------------------------------------- %
0057 
0058 % --- END OF FILE --- %

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