Mercurial > hg > ltpda

annotate m-toolbox/classes/@ao/fromXYVals.m @ 40:977eb37f31cb database-connection-manager

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User friendlier errors from utils.mysql.connect
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 18:04:03 +0100
parents f0afece42f48
children
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % FROMXYVALS Construct an ao from a value set
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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 % FUNCTION: fromXYVals
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Daniele Nicolodi <nicolodi@science.unitn.it>
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5 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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6 % DESCRIPTION: Construct an ao from a value set
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7 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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8 % CALL: a = aoFromXYVals(a, vals)
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9 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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10 % PARAMETER: vals: Constant values
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11 %
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12 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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13 function a = fromXYVals(a, pli, callerIsMethod)
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14
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15 VERSION = '$Id: fromXYVals.m,v 1.20 2011/08/15 05:03:31 hewitson Exp $';
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16
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Daniele Nicolodi <nicolodi@science.unitn.it>
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17 if callerIsMethod
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Daniele Nicolodi <nicolodi@science.unitn.it>
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18 % do nothing
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Daniele Nicolodi <nicolodi@science.unitn.it>
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19 else
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Daniele Nicolodi <nicolodi@science.unitn.it>
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20 % get AO info
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21 ii = ao.getInfo('ao', 'From XY Values');
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22
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23 % Set the method version string in the minfo object
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24 ii.setMversion([VERSION '-->' ii.mversion]);
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25 end
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26
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27 if callerIsMethod
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Daniele Nicolodi <nicolodi@science.unitn.it>
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28 pl = pli;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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29 pl_unused = plist();
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30 else
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Daniele Nicolodi <nicolodi@science.unitn.it>
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31 % Combine input plist with default values
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Daniele Nicolodi <nicolodi@science.unitn.it>
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32 % TODO: the parse step should be removed and included somehow into plist/applyDefaults
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33 [pl, pl_unused] = applyDefaults(ii.plists, pli);
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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 % Get values from the plist
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Daniele Nicolodi <nicolodi@science.unitn.it>
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37 xvals = find(pl, 'xvals');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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38 yvals = find(pl, 'yvals');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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39 fs = find(pl, 'fs');
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40 dtype = find(pl, 'type');
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41 t0 = find(pl, 't0');
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42
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Daniele Nicolodi <nicolodi@science.unitn.it>
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43 % Create an AO with cdata if no value is set
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Daniele Nicolodi <nicolodi@science.unitn.it>
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44 if isempty(xvals) && isempty(yvals)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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45 error('### Please specify some X and Y values.');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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46 end
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47
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48 % Try to decide what to do if the user doesn't specify dtype
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Daniele Nicolodi <nicolodi@science.unitn.it>
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49 if isempty(dtype)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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50 if ~isempty(yvals)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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51 if ~isempty(fs)
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52 dtype = 'tsdata';
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53 else
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54 dtype = 'xydata';
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55 end
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56 else
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57 dtype = 'cdata';
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58 end
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59 end
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60
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Daniele Nicolodi <nicolodi@science.unitn.it>
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61 %--------- Now decide what to construct
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Daniele Nicolodi <nicolodi@science.unitn.it>
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62 switch lower(dtype)
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63
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Daniele Nicolodi <nicolodi@science.unitn.it>
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64 case 'tsdata'
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65 if ~isempty(xvals) && ~isempty(yvals) && ~isempty(fs)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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66 data_obj = tsdata(xvals, yvals, fs);
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67 elseif ~isempty(xvals) && ~isempty(yvals)
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68 data_obj = tsdata(xvals, yvals);
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69 elseif ~isempty(yvals) && ~isempty(fs)
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70 data_obj = tsdata(yvals, fs);
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71 else
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Daniele Nicolodi <nicolodi@science.unitn.it>
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72 error('### To build an AO with tsdata please specify at least yvals and fs');
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73 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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74 if ~isempty(t0)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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75 data_obj.setT0(time(t0));
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76 else
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77 data_obj.setT0(time(0));
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78 end
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79
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80 % Handle toffset
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81 % For evenly sampled which means the original toffset of the data has
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Daniele Nicolodi <nicolodi@science.unitn.it>
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82 % been put in the toffset field, so we need to add the user
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Daniele Nicolodi <nicolodi@science.unitn.it>
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83 % specified toffset.
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84 % For unevenly sampled data, the data object is constructed with a
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Daniele Nicolodi <nicolodi@science.unitn.it>
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85 % toffset of zero. In any case the following works for both cases
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Daniele Nicolodi <nicolodi@science.unitn.it>
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86 % except when this is called from a method, in which case we don't
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Daniele Nicolodi <nicolodi@science.unitn.it>
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87 % apply the defaults and the toffset could be []. MATLAB returns []
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Daniele Nicolodi <nicolodi@science.unitn.it>
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88 % when you do <double> + [], so we need to check that the plist value
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89 % of toffset is not empty before doing the sum.
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90 if ~isempty(pl.find('toffset'))
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Daniele Nicolodi <nicolodi@science.unitn.it>
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91 toffset = data_obj.toffset + 1000*pl.find('toffset');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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92 data_obj.setToffset(toffset);
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93 end
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94
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95 case 'fsdata'
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96 if ~isempty(xvals) && ~isempty(yvals) && ~isempty(fs)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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97 data_obj = fsdata(xvals, yvals, fs);
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98 elseif ~isempty(xvals) && ~isempty(yvals)
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99 data_obj = fsdata(xvals, yvals);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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100 elseif ~isempty(yvals) && ~isempty(fs)
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101 data_obj = fsdata(yvals, fs);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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102 else
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Daniele Nicolodi <nicolodi@science.unitn.it>
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103 error('### To build an AO with fsdata please specify at least xvals and yvals');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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104 end
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105
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Daniele Nicolodi <nicolodi@science.unitn.it>
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106 case 'xydata'
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107 if ~isempty(xvals) && ~isempty(yvals)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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108 data_obj = xydata(xvals, yvals);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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109 elseif ~isempty(yvals)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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110 data_obj = xydata(yvals);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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111 else
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Daniele Nicolodi <nicolodi@science.unitn.it>
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112 error('### To build an AO with xydata please specify at least yvals');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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113 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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114
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Daniele Nicolodi <nicolodi@science.unitn.it>
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115 case 'cdata'
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Daniele Nicolodi <nicolodi@science.unitn.it>
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116 if ~isempty(yvals)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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117 data_obj = cdata(yvals);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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118 else
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Daniele Nicolodi <nicolodi@science.unitn.it>
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119 error('### To build an AO with cdata please specify yvals');
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120 end
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121
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Daniele Nicolodi <nicolodi@science.unitn.it>
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122 otherwise
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Daniele Nicolodi <nicolodi@science.unitn.it>
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123 error('### Can not build a data object with the given parameters.');
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124
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125 end
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126
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127 if isa(data_obj, 'fsdata')
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Daniele Nicolodi <nicolodi@science.unitn.it>
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128 if eq(unit(pl.find('xunits')), unit(''))
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129 pl.pset('xunits', 'Hz');
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130 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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131 elseif isa(data_obj, 'tsdata')
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Daniele Nicolodi <nicolodi@science.unitn.it>
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132 if eq(unit(pl.find('xunits')), unit(''))
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133 pl.pset('xunits', 's');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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134 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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135 end
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136
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Daniele Nicolodi <nicolodi@science.unitn.it>
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137 % Set data
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Daniele Nicolodi <nicolodi@science.unitn.it>
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138 a.data = data_obj;
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139
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Daniele Nicolodi <nicolodi@science.unitn.it>
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140 a.setXunits(find(pl, 'xunits'));
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Daniele Nicolodi <nicolodi@science.unitn.it>
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141 a.setYunits(find(pl, 'yunits'));
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Daniele Nicolodi <nicolodi@science.unitn.it>
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142
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Daniele Nicolodi <nicolodi@science.unitn.it>
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143 if callerIsMethod
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Daniele Nicolodi <nicolodi@science.unitn.it>
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144 % do nothing
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Daniele Nicolodi <nicolodi@science.unitn.it>
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145 else
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Daniele Nicolodi <nicolodi@science.unitn.it>
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146 % Add history
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Daniele Nicolodi <nicolodi@science.unitn.it>
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147 a.addHistory(ii, pl, [], []);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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148 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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149
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Daniele Nicolodi <nicolodi@science.unitn.it>
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150 % Set the object properties from the plist
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Daniele Nicolodi <nicolodi@science.unitn.it>
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151 a.setObjectProperties(pl);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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152
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153 end
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154