view m-toolbox/classes/@ao/conv.m @ 41:6def6533cb16
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author
Daniele Nicolodi <nicolodi@science.unitn.it>
date
Mon, 05 Dec 2011 18:04:34 +0100 (2011-12-05)
parents
f0afece42f48
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+ − % CONV vector convolution.
+ − %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ − %
+ − % DESCRIPTION: CONV vector convolution.
+ − %
+ − % CALL: >> c = conv(a,b)
+ − %
+ − % INPUTS: pl - a parameter list
+ − % a,b - input analysis object
+ − %
+ − % OUTPUTS:
+ − % c - output analysis object containing the filtered data.
+ − %
+ − % <a href="matlab:utils.helper.displayMethodInfo('ao', 'conv')">Parameters Description</a>
+ − %
+ − % VERSION: $Id: conv.m,v 1.18 2011/04/08 08:56:16 hewitson Exp $
+ − %
+ − %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ −
+ − function varargout = conv(varargin)
+ −
+ − % Check if this is a call for parameters
+ − if utils.helper.isinfocall(varargin{:})
+ − varargout{1} = getInfo(varargin{3});
+ − return
+ − end
+ −
+ − import utils.const.*
+ − utils.helper.msg(msg.PROC3, 'running %s/%s', mfilename('class'), mfilename);
+ −
+ − % Collect input variable names
+ − in_names = cell(size(varargin));
+ − for ii = 1:nargin,in_names{ii} = inputname(ii);end
+ −
+ − % Collect all AOs and plists
+ − [as, ao_invars] = utils.helper.collect_objects(varargin(:), 'ao', in_names);
+ −
+ − if nargout == 0
+ − error('### conv cannot be used as a modifier. Please give an output variable.');
+ − end
+ −
+ − if numel(as) < 2
+ − error('### conv requires at least two input AOs to work.');
+ − end
+ −
+ − % Convolute the data
+ − name = ao_invars{1};
+ − desc = as(1).description;
+ − res = as(1).y;
+ − plotinfo = as(1).plotinfo;
+ − for j=2:numel(as)
+ − res = conv(res, as(j).y);
+ − name = sprintf('%s,%s', name, ao_invars{j});
+ − desc = strcat(desc, [', ' as(j).description]);
+ − if ~isempty(as(j).plotinfo)
+ − plotinfo = combine(plotinfo, as(j).plotinfo);
+ − end
+ − end
+ −
+ − % Make new AO
+ − bs = ao(res);
+ − % name for this object
+ − bs.name = sprintf('conv(%s)', name);
+ − % set all descriptions
+ − bs.description = desc;
+ − % keep 'plotinfo'
+ − bs.plotinfo = plotinfo;
+ − % add history
+ − bs.addHistory(getInfo('None'), getDefaultPlist, ao_invars, [as(:).hist]);
+ −
+ − % Set output
+ − if nargout == numel(bs)
+ − % List of outputs
+ − for ii = 1:numel(bs)
+ − varargout{ii} = bs(ii);
+ − end
+ − else
+ − % Single output
+ − varargout{1} = bs;
+ − end
+ − end
+ −
+ − %--------------------------------------------------------------------------
+ − % 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, 'ao', 'ltpda', utils.const.categories.sigproc, '$Id: conv.m,v 1.18 2011/04/08 08:56:16 hewitson Exp $', sets, pls);
+ − ii.setModifier(false);
+ − ii.setArgsmin(2);
+ − end
+ −
+ − %--------------------------------------------------------------------------
+ − % Get Default Plist
+ − %--------------------------------------------------------------------------
+ −
+ − function plout = getDefaultPlist()
+ − persistent pl;
+ − if exist('pl', 'var')==0 || isempty(pl)
+ − pl = buildplist();
+ − end
+ − plout = pl;
+ − end
+ −
+ − function pl_default = buildplist()
+ − pl_default = plist.EMPTY_PLIST;
+ − end
+ −