Mercurial > hg > ltpda

annotate m-toolbox/classes/@ao/timeshift.m @ 24:056f8e1e995e database-connection-manager

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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
parents f0afece42f48
children
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % TIMESHIFT for AO/tsdata objects, shifts data in time by the specified value in seconds.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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Daniele Nicolodi <nicolodi@science.unitn.it>
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3 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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4 % DESCRIPTION: TIMESHIFT for AO/tsdata objects, shifts data in time by the
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Daniele Nicolodi <nicolodi@science.unitn.it>
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5 % specified value.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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6 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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7 % This method does no fancy interpolation it just shifts the start time of
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Daniele Nicolodi <nicolodi@science.unitn.it>
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8 % the first sample by the given amount relative to t0.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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9 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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10 % CALL: b = timeshift(a, offset)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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11 % bs = timeshift(a1,a2,a3, offset)
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12 % bs = timeshift(a1,a2,a3,...,pl)
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13 % bs = timeshift(as,pl)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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14 % bs = as.timeshift(pl)
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15 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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16 % INPUTS: aN - input analysis objects
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Daniele Nicolodi <nicolodi@science.unitn.it>
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17 % as - input analysis objects array
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Daniele Nicolodi <nicolodi@science.unitn.it>
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18 % pl - input parameter list
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19 %
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20 % OUTPUTS: bs - array of analysis objects, one for each input
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21 %
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22 % <a href="matlab:utils.helper.displayMethodInfo('ao', 'timeshift')">Parameters Description</a>
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23 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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24 % VERSION: $Id: timeshift.m,v 1.33 2011/09/16 04:58:35 hewitson Exp $
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25 %
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26 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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27
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28 function varargout = timeshift(varargin)
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29
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30 % Check if this is a call for parameters
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31 if utils.helper.isinfocall(varargin{:})
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32 varargout{1} = getInfo(varargin{3});
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Daniele Nicolodi <nicolodi@science.unitn.it>
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33 return
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34 end
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35
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Daniele Nicolodi <nicolodi@science.unitn.it>
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36 import utils.const.*
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Daniele Nicolodi <nicolodi@science.unitn.it>
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37 utils.helper.msg(msg.PROC3, 'running %s/%s', mfilename('class'), mfilename);
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38
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39 % Collect input variable names
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Daniele Nicolodi <nicolodi@science.unitn.it>
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40 in_names = cell(size(varargin));
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Daniele Nicolodi <nicolodi@science.unitn.it>
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41 for ii = 1:nargin,in_names{ii} = inputname(ii);end
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42
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43 % Collect all AOs and plists
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44 [as, ao_invars, rest] = utils.helper.collect_objects(varargin(:), 'ao', in_names);
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45 [pl, ~, rest] = utils.helper.collect_objects(rest(:), 'plist', in_names);
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46 [offsetIn, ~, ~] = utils.helper.collect_objects(rest(:), 'double', in_names);
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47
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Daniele Nicolodi <nicolodi@science.unitn.it>
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48 % Decide on a deep copy or a modify
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49 bs = copy(as, nargout);
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50
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51 % Combine input and default PLIST
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52 usepl = combine(pl, getDefaultPlist);
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53
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Daniele Nicolodi <nicolodi@science.unitn.it>
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54 % Get the offset
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Daniele Nicolodi <nicolodi@science.unitn.it>
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55 if ~isempty(offsetIn)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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56 offset = offsetIn;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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57 usepl.pset('offset', offset);
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58 else
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59 offset = usepl.find('offset');
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60 end
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61
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62 % Check input analysis object
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Daniele Nicolodi <nicolodi@science.unitn.it>
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63 for jj = 1:numel(bs)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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64 % Which data type do we have
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Daniele Nicolodi <nicolodi@science.unitn.it>
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65 switch class(bs(jj).data)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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66 case 'tsdata'
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67
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Daniele Nicolodi <nicolodi@science.unitn.it>
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68 % Add the new offset
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Daniele Nicolodi <nicolodi@science.unitn.it>
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69 if ~isempty(offset)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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70 bs(jj).data.setToffset(bs(jj).data.toffset + offset*1000);
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71 end
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72
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73 % Add history
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74 bs(jj).addHistory(getInfo('None'), usepl, ao_invars(jj), bs(jj).hist);
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75
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76 case {'fsdata', 'cdata', 'xydata'}
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77 error('### I don''t work for frequency-series, xy and constant data.');
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78
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79 otherwise
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80 error('### unknown data type. They can not be addded.')
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81 end
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82 end
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83
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84 % Set output
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85 varargout = utils.helper.setoutputs(nargout, bs);
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86
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87 end
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88
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89 %--------------------------------------------------------------------------
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Daniele Nicolodi <nicolodi@science.unitn.it>
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90 % Get Info Object
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91 %--------------------------------------------------------------------------
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92 function ii = getInfo(varargin)
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93 if nargin == 1 && strcmpi(varargin{1}, 'None')
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Daniele Nicolodi <nicolodi@science.unitn.it>
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94 sets = {};
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95 pl = [];
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96 else
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97 sets = {'Default'};
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Daniele Nicolodi <nicolodi@science.unitn.it>
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98 pl = getDefaultPlist;
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99 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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100 % Build info object
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101 ii = minfo(mfilename, 'ao', 'ltpda', utils.const.categories.helper, '$Id: timeshift.m,v 1.33 2011/09/16 04:58:35 hewitson Exp $', sets, pl);
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102 end
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103
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104 %--------------------------------------------------------------------------
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105 % Get Default Plist
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106 %--------------------------------------------------------------------------
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107 function plout = getDefaultPlist()
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Daniele Nicolodi <nicolodi@science.unitn.it>
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108 persistent pl;
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109 if ~exist('pl', 'var') || isempty(pl)
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110 pl = buildplist();
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111 end
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112 plout = pl;
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113 end
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114
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115 function pl = buildplist()
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116 pl = plist();
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117
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118 % offset
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119 p = param({'offset', 'Offset in seconds to shift the data in time.'}, paramValue.DOUBLE_VALUE(0));
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120 pl.append(p);
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121
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122 end
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123
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