diff m-toolbox/classes/@filterbank/addFilters.m @ 0:f0afece42f48

Import.
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/m-toolbox/classes/@filterbank/addFilters.m	Wed Nov 23 19:22:13 2011 +0100
@@ -0,0 +1,125 @@
+% ADDFILTERS This method adds a filter to the filterbank
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% DESCRIPTION: ADDFILTERS This method adds a filter to the filterbank
+%
+% CALL:        f = addFilters(filter-object);
+%              f = addFilters(plist-object);
+%
+% <a href="matlab:utils.helper.displayMethodInfo('filterbank', 'addFilters')">Parameters Description</a>
+%
+% VERSION:     $Id: addFilters.m,v 1.8 2011/04/08 08:56:20 hewitson Exp $
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+function nfbs = addFilters(varargin)
+  
+  % Check if this is a call for parameters
+  if utils.helper.isinfocall(varargin{:})
+    nfbs = getInfo(varargin{3});
+    return
+  end
+  
+  % Collect input variable names
+  in_names = cell(size(varargin));
+  for ii = 1:nargin,in_names{ii} = inputname(ii);end
+  
+  [fbs, invars_fb, rest] = utils.helper.collect_objects(varargin, 'filterbank', in_names);
+  [filts, invars, rest] = utils.helper.collect_objects(rest(:), 'ltpda_filter');
+  [pli, invars, rest] = utils.helper.collect_objects(rest(:), 'plist');
+  
+  if numel(fbs) > 1
+    error('### _This method can only handle one filterbank object.');
+  end
+  
+  internal = ischar(varargin{end}) && strcmp(varargin{end}, 'internal');
+  
+  % Decide on a deep copy or a modify
+  nfbs = copy(fbs, nargout);
+  
+  % Get default parameters
+  pl = parse(pli, getDefaultPlist);
+  
+  filtColl = [];
+
+  if numel(nfbs.filters) > 0
+    cl = class(nfbs.filters(1));
+  else
+    cl = '';
+  end
+  
+  for kk=1:numel(filts)
+    filt = filts(kk);
+    if isempty(cl)
+      filtColl = [filtColl filt];
+    else
+      if isa(filt, cl)
+        filtColl = [filtColl filt];
+      else
+        warning('Not adding filter "%s" due to wrong filter type', filt.name);
+      end
+    end
+  end
+  
+  filtColl = [filtColl pl.find('filters')];
+  
+  % Set the collected filters to the filterbank object
+  nfbs.filters = [nfbs.filters filtColl];
+
+  % Add history if it is not a internal command.
+  if ~internal
+    pl.pset('filters', filtColl);
+    nfbs.addHistory(getInfo('None'), pl, invars_fb(1), nfbs.hist);
+  end
+  
+end
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%                               Local Functions                               %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% FUNCTION:    getInfo
+%
+% DESCRIPTION: Get Info Object
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+function ii = getInfo(varargin)
+  
+  if nargin == 1 && strcmpi(varargin{1}, 'None')
+    sets = {};
+    pls  = [];
+  else
+    sets = {'Default'};
+    pls  = getDefaultPlist;
+  end
+  % Build info object
+  ii = minfo(mfilename, 'filterbank', 'ltpda', utils.const.categories.aop, '$Id: addFilters.m,v 1.8 2011/04/08 08:56:20 hewitson Exp $', sets, pls);
+  ii.setArgsmin(2);
+  ii.setModifier(false);
+end
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% FUNCTION:    getDefaultPlist
+%
+% DESCRIPTION: Get Default Plist
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+function plout = getDefaultPlist()
+  persistent pl;  
+  if exist('pl', 'var')==0 || isempty(pl)
+    pl = buildplist();
+  end
+  plout = pl;  
+end
+
+function plo = buildplist()
+  plo = plist();
+  
+  p = param({'filters', 'IIR or FIR Filter Objects.'}, {1, {[]}, paramValue.SINGLE});
+  plo.append(p);
+end