comparison toolboxes/MIRtoolbox1.3.2/somtoolbox/som_ind2cod.m @ 0:e9a9cd732c1e tip

first hg version after svn

+function cind = som_ind2cod(msize,ind)
+
+%SOM_IND2COD SOM_PAK style linear indeces from Matlab linear index.
+%
+% Cind = som_ind2cod(msize,inds)
+%
+%  cind = som_ind2cod([10 15],44);
+%  cind = som_ind2cod(sMap,44);
+%  cind = som_ind2cod(sMap.msize,44);
+%  Cind = som_ind2cod([10 15],[44 13 91]');
+%
+%  Input and output arguments: 
+%   msize  (struct) map or topology struct
+%          (vector) size 1 x m, specifies the map grid size
+%   ind    (vector) size n x 1, linear indeces of n map units
+% 
+%   cind   (matrix) size n x 1, SOM_PAK style linear indeces
+%                   (row first, then column)
+%
+% See also SOM_COD2IND.
+
+% Contributed to SOM Toolbox vs2, January 14th, 2002 by Juha Vesanto
+% http://www.cis.hut.fi/projects/somtoolbox/
+
+% Version 2.0beta juuso 140102
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+if isstruct(msize), 
+  if strcmp(msize.type,'som_map'), msize = msize.topol.msize; 
+  elseif strcmp(msize.type,'som_topol'), msize = msize.msize;
+  else error('Invalid first argument.'); end
+end
+
+if nargin<2, ind = 1:prod(msize); end
+
+Co = som_unit_coords(msize,'rect','sheet');
+
+switch size(Co,2),
+case 1, I2C = [1:prod(msize)]; 
+case 2, I2C = 1 + Co(:,1) + Co(:,2)*msize(2); 
+case 3, I2C = 1 + Co(:,1) + Co(:,2)*msize(2) + Co(:,3)*msize(1)*msize(2); % ?????
+end
+
+cind = I2C(ind); 
+return; 
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%