1 | %
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2 | % definition for the kml_geometry super (base) and sub (derived) abstract class.
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3 | %
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4 | % [kml]=kml_geometry(varargin)
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5 | %
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6 | % where the optional varargin and defaults are:
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7 | % id (char, geometry id, '')
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8 | %
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9 | % note that zero arguments constructs a default instance; one
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10 | % argument of the class copies the instance; and two or more
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11 | % arguments constructs a new instance from the arguments.
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12 | %
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13 | classdef kml_geometry < kml_object
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14 | properties
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15 | end
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16 |
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17 | methods
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18 | function [kml]=kml_geometry(varargin)
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19 |
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20 | kml=kml@kml_object(varargin{:});
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21 |
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22 | switch nargin
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23 |
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24 | % create a default object
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25 |
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26 | case 0
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27 |
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28 | % copy the object or create the object from the input
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29 |
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30 | otherwise
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31 | if (nargin == 1) && isa(varargin{1},class(kml))
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32 | kml=varargin{1};
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33 |
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34 | else
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35 | fnames=fieldnames(kml_geometry());
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36 |
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37 | for i=length(fieldnames(kml_object()))+1:min(nargin,length(fnames))
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38 | if isa(varargin{i},class(kml.(fnames{i})))
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39 | if ~isempty(varargin{i})
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40 | kml.(fnames{i})=varargin{i};
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41 | end
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42 | else
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43 | if ~isempty(inputname(i))
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44 | warning('Argument ''%s'' for property ''%s'' is a ''%s'' class object, not ''%s''.',...
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45 | inputname(i),fnames{i},class(varargin{i}),class(kml.(fnames{i})));
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46 | else
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47 | warning('Argument %d for property ''%s'' is a ''%s'' class object, not ''%s''.',...
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48 | i ,fnames{i},class(varargin{i}),class(kml.(fnames{i})));
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49 | end
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50 | end
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51 | end
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52 | end
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53 |
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54 | end
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55 |
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56 | end
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57 |
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58 | % display the object
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59 |
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60 | function []=disp(kml)
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61 |
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62 | for i=1:numel(kml)
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63 | if strcmp(class(kml),'kml_geometry')
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64 | disp(sprintf('class ''%s'' object ''%s%s'' = \n',...
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65 | class(kml),inputname(1),string_dim(kml,i)));
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66 | end
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67 | disp@kml_object(kml(i));
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68 | if strcmp(class(kml),'kml_geometry')
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69 | disp(sprintf('\n'));
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70 | end
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71 | end
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72 |
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73 | end
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74 |
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75 | % return the fieldnames of the object
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76 |
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77 | function [fnames]=fieldnames(kml)
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78 |
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79 | % fieldnames for a sub (derived) class list those before super (base)
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80 |
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81 | fnames=fieldnames(kml_object());
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82 |
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83 | end
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84 |
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85 | % set the properties of the object
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86 |
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87 | function [kml]=setprops(kml,varargin)
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88 |
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89 | kmlref=feval(class(kml));
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90 | fnames=fieldnames(kmlref);
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91 |
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92 | % loop through each parameter in the input list (comparing to the reference
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93 | % object in case property types have been changed)
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94 |
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95 | for i=1:2:length(varargin)
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96 | if ismember(varargin{i},fnames) && (i+1 <= length(varargin))
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97 | if isa(varargin{i+1},class(kmlref.(varargin{i})))
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98 | kml.(varargin{i})=varargin{i+1};
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99 | else
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100 | if ~isempty(inputname(i+1))
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101 | warning('Argument ''%s'' for property ''%s'' is a ''%s'' class object, not ''%s''.',...
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102 | inputname(i+2),varargin{i},class(varargin{i+1}),class(kmlref.(varargin{i})));
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103 | else
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104 | warning('Argument %d for property ''%s'' is a ''%s'' class object, not ''%s''.',...
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105 | i+2 ,varargin{i},class(varargin{i+1}),class(kmlref.(varargin{i})));
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106 | end
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107 | end
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108 | else
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109 | warning('Property ''%s'' for class ''%s'' does not exist.',...
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110 | varargin{i},class(kmlref));
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111 | end
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112 | end
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113 |
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114 | end
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115 |
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116 | % write the object
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117 |
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118 | function []=kml_write(kml,fid,indent)
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119 |
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120 | if ~exist('fid','var') || isempty(fid)
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121 | fid=1;
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122 | end
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123 | if ~exist('indent','var') || isempty(indent)
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124 | indent='';
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125 | end
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126 |
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127 | % loop over the geometries
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128 |
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129 | for i=1:numel(kml)
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130 | kmli=kml(i);
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131 | if strcmp(class(kml),'kml_geometry')
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132 | if ~isempty(kmli.id)
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133 | fprintf(fid,'%s<!Geometry id="%s">\n',indent,kmli.id);
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134 | else
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135 | fprintf(fid,'%s<!Geometry>\n',indent);
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136 | end
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137 | end
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138 | kml_write@kml_object(kmli,fid,indent);
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139 | if strcmp(class(kml),'kml_geometry')
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140 | fprintf(fid,'%s</!Geometry>\n',indent);
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141 | end
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142 | end
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143 |
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144 | end
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145 |
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146 | % string write the object
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147 |
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148 | function [sbuf]=kml_swrite(kml,sbuf,indent)
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149 |
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150 | if ~exist('sbuf','var') || isempty(sbuf)
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151 | sbuf=string_buf;
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152 | end
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153 | if ~exist('indent','var') || isempty(indent)
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154 | indent='';
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155 | end
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156 |
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157 | % loop over the geometries
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158 |
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159 | for i=1:numel(kml)
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160 | kmli=kml(i);
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161 | if strcmp(class(kml),'kml_geometry')
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162 | if ~isempty(kmli.id)
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163 | sbuf=add(sbuf,sprintf('%s<!Geometry id="%s">\n',indent,kmli.id));
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164 | else
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165 | sbuf=add(sbuf,sprintf('%s<!Geometry>\n',indent));
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166 | end
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167 | end
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168 | sbuf=kml_swrite@kml_object(kmli,sbuf,indent);
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169 | if strcmp(class(kml),'kml_geometry')
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170 | sbuf=add(sbuf,sprintf('%s</!Geometry>\n',indent));
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171 | end
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172 | end
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173 |
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174 | end
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175 |
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176 | end
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177 |
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178 | end
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