function [handles,msg,lattice,msize,dim,normalization,comps]=vis_som_show_data(p,f)% VIS_SOM_SHOW_DATA Checks and returns UserData and subplot handles stored by SOM_SHOW%% [handles,msg,lattice,msize,dim,normalization,comps] = vis_som_show_data(p, f)%%  Input and output arguments ([]'s are optional): %   [p]           (vector) subplot numbers %                 (string) 'all' to process all subplots, this is default%                          'comp' to process only subplots which have%                          component planes%   [f]           (double) figure handle, default is current figure%%   handles       (vector) handles of requested subplots%   msg           (string) error message or empty string (no error)%   lattice       (string) map lattice: 'hexa' or 'rect'%   msize         (vector) map grid size in figure%   dim           (scalar) map data dimension in figure%   normalization (struct) normalization struct used in the map in figure%   comps         (vector) the component indexes in figure%% This function gets the handles of component planes and u-matrices in% subplots p from figure f. SOM_SHOW writes the handles into the% UserData field of the figure where their order won't be mixed% up. This function reads the data according to the vector p. If the% figure has been manipulated (original planes are missing) the function% warns user or returns error string.% % The main purpose for this is to be a subfuncion for SOM_SHOW_ADD,% SOM_SHOW_CLEAR and SOM_RECOLORBAR functions, but it may be used on% command line in the followong manner:%%  % plots text on the fifth plane%  axes(vis_som_show_data(5)); hold on; text(1,3,'I am here');%    % See also SOM_SHOW, SOM_SHOW_ADD.% Copyright (c) 1997-2000 by the SOM toolbox programming team.% http://www.cis.hut.fi/projects/somtoolbox/             % Version 2.0beta Johan 201099 juuso 160600%% Check input args %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%error(nargchk(0, 2, nargin))  % check no. of input args %% Init %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%handles=[];                                     % initialize outputnormalize=[];comps=[];dim=[];msize=[];lattice=[];msg=[];      cr=sprintf('\n');                               % carriage return            if nargin < 2 | isempty(f)  f=gcf;                                        % default figureendif nargin < 1 | isempty(p)                      % default p   p= 'all';end% Find component planes and u-matrices from the figure and get the % UserData field where the handles for the components are % in the original order. % If the fields are corrupted, return an error message.h_real = [findobj(f, 'Tag', 'Cplane'); ...    findobj(f, 'Tag', 'Uplane'); ...    findobj(f,'Tag','CplaneI'); ...    findobj(f,'Tag','UplaneI')];eval( 'h_stored=getfield(get(f,''UserData''),''subplotorder'');' , ...    'msg=[ msg cr '' Missing SOM_SHOW.subplotorder''];');  eval( 'normalization=getfield(get(f,''UserData''),''comp_norm'');' , ...    'msg=[msg cr '' Missing SOM_SHOW.comp_norm''];');eval( 'comps=getfield(get(f,''UserData''),''comps'');' , ...    'msg=[msg cr '' Missing SOM_SHOW.comps''];');    eval( 'msize=getfield(get(f,''UserData''),''msize'');' , ...    'msg=[msg cr '' Missing SOM_SHOW.msize''];');    eval( 'dim=getfield(get(f,''UserData''),''dim'');' , ...    'msg=[msg cr '' Missing SOM_SHOW.dim''];');    eval( 'lattice=getfield(get(f,''UserData''),''lattice'');' , ...    'msg=[msg cr '' Missing SOM_SHOW.lattice''];');    if ~isempty(msg),   msg=['The figure does not contain SOM_SHOW visualization or is corrupted.'...	cr msg cr cr ...	'This command may be applied only to a SOM_SHOW visualization.'];   return; end%% Check arguments %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%index=ismember(h_stored, h_real);  % the original order for plot axes if ~prod(double(index))                    % missing planes?!                                           % double added by kr 1.10.02  l1= 'Some of the original planes seems to be missing.';  l2= 'Subplot numbers now refer to the existing ones.';  warning([l1 cr l2]);endif ~prod(double(ismember(h_real, h_stored))) % extra planes?!                                              % double added by kr 5.9.02  warning('There seems to be new planes. Subplot numbers refer to the old ones.');endh_stored=h_stored(index);          % existing original plots in original orderif ischar(p)                       % check if p is 'all'  switch(p)   case 'all'                                       p=1:size(h_stored,1);          % all original subplots   case 'comp'    p=find(comps>0);    otherwise    msg= 'String value for subplot number vector has to be ''all''!';    return;  endendif ~vis_valuetype(p,{ '1xn','nx1'}) % check the size  msg= 'Subplot numbers (argument p in help text) have to be in a vector!';  returnendif min(p) < 1                      % check for invalid values  msg= 'Subplot numbers (argument p in help text) must be at least 1!';  returnend%% p is too largeif max(p) > size(h_stored,1)  l1= 'There are not so many existing subplots created by SOM_SHOW in the';  l2= 'figure as you are trying to refer with subplot numbers.';  l3= 'This is probably caused by having a too large subplot number.';  l4= 'However, the reason may be invalid manipulation of';  l5= 'this figure object or a program failure, too.';  msg=([l1 cr l2 cr l3 cr cr l4 cr l5]);  return;end%% Action and building output %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%handles=h_stored(p);comps=comps(p);