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annotate m-toolbox/classes/@ao/simplifyYunits.m @ 35:4be5f7a5316f 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 % SIMPLIFYYUNITS simplify the 'yunits' property of the ao.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: SIMPLIFYYUNITS sets the 'yunits' property of the ao.
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5 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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6 % CALL: ao = simplifyYunits(ao)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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7 % obj = obj.simplifyYunits(pl);
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8 %
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9 % <a href="matlab:utils.helper.displayMethodInfo('ao', 'simplifyYunits')">Parameters Description</a>
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10 %
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11 % VERSION: $Id: simplifyYunits.m,v 1.20 2011/05/22 22:20:26 mauro Exp $
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12 %
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13 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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14
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15 function varargout = simplifyYunits(varargin)
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16
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17 % Check if this is a call from a class method
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18 callerIsMethod = utils.helper.callerIsMethod;
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19
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20 if callerIsMethod
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Daniele Nicolodi <nicolodi@science.unitn.it>
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21 as = varargin{1};
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22 if nargin == 2
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23 pls = varargin{2};
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24 else
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25 pls = plist();
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26 end
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27
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28 else
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Daniele Nicolodi <nicolodi@science.unitn.it>
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29 %%% Check if this is a call for parameters
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30 if utils.helper.isinfocall(varargin{:})
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31 varargout{1} = getInfo(varargin{3});
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32 return
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33 end
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34
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35 import utils.const.*
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36 utils.helper.msg(msg.PROC3, 'running %s/%s', mfilename('class'), mfilename);
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37
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38 % Collect input variable names
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39 in_names = cell(size(varargin));
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40 for ii = 1:nargin,in_names{ii} = inputname(ii);end
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41
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42 % Collect all AOs
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43 [as, ao_invars] = utils.helper.collect_objects(varargin(:), 'ao', in_names);
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44
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45 % Apply defaults to plist
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46 pls = applyDefaults(getDefaultPlist, varargin{:});
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47
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48 end
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49
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50 % Decide on a deep copy or a modify
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51 bs = copy(as, nargout);
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52
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53 % check if simplifying the prefixes or not: 'yes'/'no' or true/false or 'true'/'false'
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54 prefixes = utils.prog.yes2true(find(pls, 'prefixes'));
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55
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56 % gathering exception list
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57 exceptions = find(pls, 'exceptions');
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58 if isempty(exceptions)
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59 exceptions = cell(0);
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60 elseif ~iscell(exceptions)
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61 exceptions = cellstr(exceptions);
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62 end
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63
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64 % Loop over AOs
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65 for jj = 1:numel(bs)
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66
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67 % Count the prefix values first before we compute this value to the
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68 % data because then is the error not so large.
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69 prfval = 1;
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70
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Daniele Nicolodi <nicolodi@science.unitn.it>
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71 % simplify prefixes first
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Daniele Nicolodi <nicolodi@science.unitn.it>
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72 if prefixes
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73 yun = copy(bs(jj).data.yunits, true);
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74 vals = yun.vals;
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75 exps = yun.exps;
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76
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77 % Get the different unit-string of the y-axis.
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78 % Use for this the char-method because this method adds the prefix
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79 % to the unit.
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80 strs = {};
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81 yuns = yun.split();
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82 for kk = 1:numel(yuns)
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83 strs{end+1} = char(yuns(kk));
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84 end
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85
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86 % Run over all y-units parts because it might be that one of the parts is
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Daniele Nicolodi <nicolodi@science.unitn.it>
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87 % in the exception list.
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88 for ii = 1:numel(vals)
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89 str = strs{ii}(2:end-1);
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90 str = strtok(str, '^');
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91 if ~(any(ismember(str, exceptions)))
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92 prfval = prfval .* prod(vals(ii) .^ exps(ii));
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93 vals(ii) = 1;
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94 yun.setVals(vals);
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95 end
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96 end
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97 bs(jj).data.setYunits(yun);
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98 end
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99
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100 % Multiply the prefix value to the y-data
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101 bs(jj).data.setY(bs(jj).y .* prfval);
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102
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103 % simplify the units
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104 bs(jj).data.setYunits(simplify(bs(jj).data.yunits, exceptions));
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105
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106 if ~callerIsMethod
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107 bs(jj).addHistory(getInfo('None'), pls, ao_invars(jj), bs(jj).hist);
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108 end
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109 end
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110
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111 % Set output
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112 varargout = utils.helper.setoutputs(nargout, bs);
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113 end
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114
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115 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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116 % Local Functions %
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117 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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118 %--------------------------------------------------------------------------
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119 % Get Info Object
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120 %--------------------------------------------------------------------------
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121 function ii = getInfo(varargin)
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122
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123 if nargin == 1 && strcmpi(varargin{1}, 'None')
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124 sets = {};
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125 pl = [];
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126 else
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127 sets = {'Default'};
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128 pl = getDefaultPlist();
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129 end
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130 % Build info object
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131 ii = minfo(mfilename, 'ao', 'ltpda', utils.const.categories.helper, '$Id: simplifyYunits.m,v 1.20 2011/05/22 22:20:26 mauro Exp $', sets, pl);
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132 end
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133
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134 %--------------------------------------------------------------------------
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135 % Get Default Plist
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136 %--------------------------------------------------------------------------
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137 function plout = getDefaultPlist()
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138 persistent pl;
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139 if ~exist('pl', 'var') || isempty(pl)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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140 pl = buildplist();
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141 end
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142 plout = pl;
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143 end
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144
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145 function pl = buildplist()
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146 pl = plist();
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Daniele Nicolodi <nicolodi@science.unitn.it>
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147
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148 % Prefixes
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149 p = param({'prefixes', 'also simplify the prefixes and scale the data'}, paramValue.TRUE_FALSE);
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150 pl.append(p);
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151
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Daniele Nicolodi <nicolodi@science.unitn.it>
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152 % Exceptions
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153 p = param({'exceptions', 'A string or cell of strings of units which are not simplyfied.'}, ...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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154 paramValue.EMPTY_STRING);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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155 pl.append(p);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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156
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Daniele Nicolodi <nicolodi@science.unitn.it>
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157 end