Mercurial > hg > camir-aes2014
diff toolboxes/MIRtoolbox1.3.2/somtoolbox/som_cod2ind.m @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
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date | Tue, 10 Feb 2015 15:05:51 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toolboxes/MIRtoolbox1.3.2/somtoolbox/som_cod2ind.m Tue Feb 10 15:05:51 2015 +0000 @@ -0,0 +1,43 @@ +function ind = som_cod2ind(msize,cind) + +%SOM_COD2IND Matlab linear index from SOM_PAK style linear indeces. +% +% ind = som_cod2ind(msize,cind) +% +% ind = som_cod2ind([10 15],44); +% ind = som_cod2ind(sMap,44); +% ind = som_cod2ind(sMap.msize,44); +% ind = som_cod2ind([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 +% cind (vector) size n x 1, SOM_PAK style linear indeces for n map units +% (row first, then column) +% +% ind (vector) size n x 1, Matlab linear indeces +% +% See also SOM_IND2COD. + +% 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, cind = 1:prod(msize); end + +I2C = som_ind2cod(msize,[1:prod(msize)]); +[dummy,C2I] = sort(I2C); +ind = C2I(cind); + +return; + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%