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annotate m-toolbox/classes/@ao/conv.m @ 4:e3c5468b1bfe database-connection-manager

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Integrate with LTPDAPreferences
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
parents f0afece42f48
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % CONV vector convolution.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: CONV vector convolution.
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5 %
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6 % CALL: >> c = conv(a,b)
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7 %
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8 % INPUTS: pl - a parameter list
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9 % a,b - input analysis object
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10 %
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11 % OUTPUTS:
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12 % c - output analysis object containing the filtered data.
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13 %
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14 % <a href="matlab:utils.helper.displayMethodInfo('ao', 'conv')">Parameters Description</a>
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15 %
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16 % VERSION: $Id: conv.m,v 1.18 2011/04/08 08:56:16 hewitson Exp $
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17 %
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18 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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19
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20 function varargout = conv(varargin)
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21
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22 % Check if this is a call for parameters
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23 if utils.helper.isinfocall(varargin{:})
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24 varargout{1} = getInfo(varargin{3});
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25 return
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26 end
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27
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28 import utils.const.*
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29 utils.helper.msg(msg.PROC3, 'running %s/%s', mfilename('class'), mfilename);
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30
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31 % Collect input variable names
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32 in_names = cell(size(varargin));
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33 for ii = 1:nargin,in_names{ii} = inputname(ii);end
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34
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35 % Collect all AOs and plists
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36 [as, ao_invars] = utils.helper.collect_objects(varargin(:), 'ao', in_names);
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37
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38 if nargout == 0
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39 error('### conv cannot be used as a modifier. Please give an output variable.');
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40 end
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41
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42 if numel(as) < 2
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43 error('### conv requires at least two input AOs to work.');
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44 end
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45
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46 % Convolute the data
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47 name = ao_invars{1};
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48 desc = as(1).description;
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49 res = as(1).y;
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50 plotinfo = as(1).plotinfo;
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51 for j=2:numel(as)
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52 res = conv(res, as(j).y);
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53 name = sprintf('%s,%s', name, ao_invars{j});
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54 desc = strcat(desc, [', ' as(j).description]);
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55 if ~isempty(as(j).plotinfo)
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56 plotinfo = combine(plotinfo, as(j).plotinfo);
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57 end
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58 end
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59
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60 % Make new AO
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61 bs = ao(res);
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62 % name for this object
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63 bs.name = sprintf('conv(%s)', name);
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64 % set all descriptions
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65 bs.description = desc;
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66 % keep 'plotinfo'
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67 bs.plotinfo = plotinfo;
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68 % add history
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69 bs.addHistory(getInfo('None'), getDefaultPlist, ao_invars, [as(:).hist]);
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70
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71 % Set output
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72 if nargout == numel(bs)
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73 % List of outputs
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74 for ii = 1:numel(bs)
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75 varargout{ii} = bs(ii);
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76 end
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77 else
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78 % Single output
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79 varargout{1} = bs;
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80 end
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81 end
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82
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83 %--------------------------------------------------------------------------
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84 % Get Info Object
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85 %--------------------------------------------------------------------------
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86 function ii = getInfo(varargin)
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87 if nargin == 1 && strcmpi(varargin{1}, 'None')
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88 sets = {};
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89 pls = [];
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90 else
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91 sets = {'Default'};
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92 pls = getDefaultPlist;
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93 end
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94 % Build info object
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95 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);
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96 ii.setModifier(false);
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97 ii.setArgsmin(2);
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98 end
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99
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100 %--------------------------------------------------------------------------
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101 % Get Default Plist
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102 %--------------------------------------------------------------------------
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103
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104 function plout = getDefaultPlist()
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105 persistent pl;
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106 if exist('pl', 'var')==0 || isempty(pl)
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107 pl = buildplist();
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108 end
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109 plout = pl;
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110 end
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111
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112 function pl_default = buildplist()
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113 pl_default = plist.EMPTY_PLIST;
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114 end
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115