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annotate Dictionary.m @ 87:0a29a60e0b21

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In Curve: Rearranged for speed. arc_length_fun is now a property of Curve. If it is not supplied, it is computed via the derivative and spline fitting. Switching to the arc length parameterization is much faster now. The new stuff can be tested with testArcLength.m (which should be deleted after that).
author Martin Almquist <martin.almquist@it.uu.se>
date Sun, 29 Nov 2015 22:23:09 +0100
parents 54d3ab296ba0
children 8298734b1938
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40
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1 % TODO
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2 % Documentation
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3 % Should the storage be done in some other way?
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4 % Cell array as keys?
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5 % Some possibility to load and save to a matfile?
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6 % May be load and save from outside is enough.
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7 % Get and set functions called by subsref and subsasgn?
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8 % Unit tests.
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9
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10
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11 classdef Dictionary
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12 properties
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13 store
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14 end
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15
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16 methods
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17 function obj = Dictionary()
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18 obj.store = struct();
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19 end
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20
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21 function s = getStore(obj)
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22 s = obj.store;
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23 end
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24
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25 function display(obj)
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26 if length(fieldnames(obj.store)) == 0
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27 fprintf('%s is an empty Dictionary\n',inputname(1));
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28 return
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29 end
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30
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31 lineformat = [inputname(1) '(%s) = %s\n'];
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32
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33 display_impl(obj.store,'');
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34
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35 function display_impl(s, path)
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36 if ~isstruct(s)
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37 fprintf(lineformat,path(3:end), value2str(s));
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38 % fprintf(') = %s\n', value2str(s));
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39 % fprintf('%s(', objName);
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40 return
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41 end
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42
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43 fn = fieldnames(s);
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44
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45 for i = 1:length(fn)
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46 display_impl(s.(fn{i}), [path ', ' fn{i}(2:end)]);
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47 end
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48
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49 end
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50
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51 function str = value2str(val)
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52 if isnumeric(val) || ischar(val)
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53 str = mat2str(val);
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54 else
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55 str = class(val);
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56 end
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57 end
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58 end
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59
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60 % B = obj(i)
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61 function B = subsref(obj,S)
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62 switch S.type
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63 case '()'
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64 Sf = obj.subs2dotSubs(S);
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65 try
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66 B = subsref(obj.store,Sf);
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67 catch ME
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68 if strcmp(ME.identifier,'MATLAB:nonExistentField')
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69 error('Reference to non-existent entry %s',toString(S.subs));
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70 else
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71 throw(ME);
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72 end
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73 end
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74 otherwise
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75 error('Unsupported indexing operator: %s',S.type);
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76 end
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77 end
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78
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79 % A(i) = B
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80 function obj = subsasgn(obj,S,B);
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81 switch S.type
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82 case '()'
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83 Sf = obj.subs2dotSubs(S);
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84 obj.store = subsasgn(obj.store,Sf,B);
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85 otherwise
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86 error('Unsupported indexing operator: %s',S.type);
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87 end
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88 end
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89
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90 function Sf = subs2dotSubs(obj,S)
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91 for i = 1:length(S.subs)
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92 Sf(i).type = '.';
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93 Sf(i).subs = obj.getFieldname(S.subs{i});
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94 end
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95 end
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96
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97 % Should probably use mat2str with some kind of normalization to make all variables valied fieldname
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98 % and make it possible to recover the value
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99 function fName = getFieldname(obj, val)
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100 if isnumeric(val)
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101 valStr = num2str(val);
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102 elseif ischar(val)
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103 valStr = val;
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104 else
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105 error('Dont know what to do with val!');
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106 end
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107 fName = sprintf('f%s',valStr);
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108 end
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109 end
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110 end