Function for creating file_array objects. FORMAT a = file_array(fname,dim,dtype,offset,scl_slope,scl_inter) a - file_array object fname - filename dim - dimensions (default = [0 0] ) dtype - datatype (default = 'uint8-le') offset - offset into file (default = 0) scl_slope - scalefactor (default = 1) scl_inter - DC offset, such that dat = raw*scale + inter (default = 0) _______________________________________________________________________ Copyright (C) 2005 Wellcome Department of Imaging Neuroscience
0001 function a = create_file_array(varargin) 0002 % Function for creating file_array objects. 0003 % FORMAT a = file_array(fname,dim,dtype,offset,scl_slope,scl_inter) 0004 % a - file_array object 0005 % fname - filename 0006 % dim - dimensions (default = [0 0] ) 0007 % dtype - datatype (default = 'uint8-le') 0008 % offset - offset into file (default = 0) 0009 % scl_slope - scalefactor (default = 1) 0010 % scl_inter - DC offset, such that dat = raw*scale + inter (default = 0) 0011 % _______________________________________________________________________ 0012 % Copyright (C) 2005 Wellcome Department of Imaging Neuroscience 0013 0014 % 0015 % $Id: file_array.m 315 2005-11-28 16:48:59Z john $ 0016 0017 0018 if nargin==1 0019 if isstruct(varargin{1}), 0020 a = class(varargin{1},'create_file_array'); 0021 return; 0022 elseif isa(varargin{1},'create_file_array'), 0023 a = varargin{1}; 0024 return; 0025 end; 0026 end; 0027 a = struct('fname','','dim',[0 0],'dtype',2,... 0028 'be',0,'offset',0,'pos',[],'scl_slope',[],'scl_inter',[]); 0029 %a = class(a,'file_array'); 0030 0031 if nargin>=1, a = fname(a,varargin{1}); end; 0032 if nargin>=2, a = dim(a,varargin{2}); end; 0033 if nargin>=3, a = dtype(a,varargin{3}); end; 0034 if nargin>=4, a = offset(a,varargin{4}); end; 0035 if nargin>=5, a = scl_slope(a,varargin{5}); end; 0036 if nargin>=6, a = scl_inter(a,varargin{6}); end; 0037 0038 a.pos = ones(size(a.dim)); 0039 a = class(a,'create_file_array');