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26 <div class="titlepage"><div><div><h5 class="title">
27 <a name="geometry.reference.algorithms.relate.relate_4_with_strategy"></a><a class="link" href="relate_4_with_strategy.html" title="relate (with strategy)">relate
29 </h5></div></div></div>
31 <a class="indexterm" name="idm46186992549728"></a>
32 Checks relation between a pair of geometries defined by a mask.
35 <a name="geometry.reference.algorithms.relate.relate_4_with_strategy.h0"></a>
36 <span class="phrase"><a name="geometry.reference.algorithms.relate.relate_4_with_strategy.synopsis"></a></span><a class="link" href="relate_4_with_strategy.html#geometry.reference.algorithms.relate.relate_4_with_strategy.synopsis">Synopsis</a>
40 <pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">Geometry1</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Geometry2</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Mask</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Strategy</span><span class="special">></span>
41 <span class="keyword">bool</span> <span class="identifier">relate</span><span class="special">(</span><span class="identifier">Geometry1</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">geometry1</span><span class="special">,</span> <span class="identifier">Geometry2</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">geometry2</span><span class="special">,</span> <span class="identifier">Mask</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">mask</span><span class="special">,</span>
42 <span class="identifier">Strategy</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">strategy</span><span class="special">)</span></pre>
46 <a name="geometry.reference.algorithms.relate.relate_4_with_strategy.h1"></a>
47 <span class="phrase"><a name="geometry.reference.algorithms.relate.relate_4_with_strategy.parameters"></a></span><a class="link" href="relate_4_with_strategy.html#geometry.reference.algorithms.relate.relate_4_with_strategy.parameters">Parameters</a>
49 <div class="informaltable"><table class="table">
87 Any type fulfilling a Geometry Concept
97 A model of the specified concept
104 Geometry2 const &
109 Any type fulfilling a Geometry Concept
119 A model of the specified concept
131 An intersection model Mask type.
141 An intersection model mask object.
153 Any type fulfilling a Relate Strategy Concept
163 The strategy which will be used for relate calculations
170 <a name="geometry.reference.algorithms.relate.relate_4_with_strategy.h2"></a>
171 <span class="phrase"><a name="geometry.reference.algorithms.relate.relate_4_with_strategy.returns"></a></span><a class="link" href="relate_4_with_strategy.html#geometry.reference.algorithms.relate.relate_4_with_strategy.returns">Returns</a>
174 true if the relation is compatible with the mask, false otherwise.
177 <a name="geometry.reference.algorithms.relate.relate_4_with_strategy.h3"></a>
178 <span class="phrase"><a name="geometry.reference.algorithms.relate.relate_4_with_strategy.header"></a></span><a class="link" href="relate_4_with_strategy.html#geometry.reference.algorithms.relate.relate_4_with_strategy.header">Header</a>
184 <code class="computeroutput"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">geometry</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code>
190 <code class="computeroutput"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">geometry</span><span class="special">/</span><span class="identifier">algorithms</span><span class="special">/</span><span class="identifier">relate</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code>
193 <a name="geometry.reference.algorithms.relate.relate_4_with_strategy.h4"></a>
194 <span class="phrase"><a name="geometry.reference.algorithms.relate.relate_4_with_strategy.conformance"></a></span><a class="link" href="relate_4_with_strategy.html#geometry.reference.algorithms.relate.relate_4_with_strategy.conformance">Conformance</a>
197 The function relate implements function Relate from the <a href="http://www.opengeospatial.org/standards/sfa" target="_top">OGC
198 Simple Feature Specification</a>.
201 <a name="geometry.reference.algorithms.relate.relate_4_with_strategy.h5"></a>
202 <span class="phrase"><a name="geometry.reference.algorithms.relate.relate_4_with_strategy.example"></a></span><a class="link" href="relate_4_with_strategy.html#geometry.reference.algorithms.relate.relate_4_with_strategy.example">Example</a>
205 Shows how to detect if a point is inside a polygon, or not
209 <pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">iostream</span><span class="special">></span>
211 <span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">geometry</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
212 <span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">geometry</span><span class="special">/</span><span class="identifier">geometries</span><span class="special">/</span><span class="identifier">point_xy</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
213 <span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">geometry</span><span class="special">/</span><span class="identifier">geometries</span><span class="special">/</span><span class="identifier">polygon</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
216 <span class="keyword">int</span> <span class="identifier">main</span><span class="special">()</span>
217 <span class="special">{</span>
218 <span class="keyword">typedef</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">geometry</span><span class="special">::</span><span class="identifier">model</span><span class="special">::</span><span class="identifier">d2</span><span class="special">::</span><span class="identifier">point_xy</span><span class="special"><</span><span class="keyword">double</span><span class="special">></span> <span class="identifier">point_type</span><span class="special">;</span>
219 <span class="keyword">typedef</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">geometry</span><span class="special">::</span><span class="identifier">model</span><span class="special">::</span><span class="identifier">polygon</span><span class="special"><</span><span class="identifier">point_type</span><span class="special">></span> <span class="identifier">polygon_type</span><span class="special">;</span>
221 <span class="identifier">polygon_type</span> <span class="identifier">poly</span><span class="special">;</span>
222 <span class="identifier">boost</span><span class="special">::</span><span class="identifier">geometry</span><span class="special">::</span><span class="identifier">read_wkt</span><span class="special">(</span>
223 <span class="string">"POLYGON((2 1.3,2.4 1.7,2.8 1.8,3.4 1.2,3.7 1.6,3.4 2,4.1 3,5.3 2.6,5.4 1.2,4.9 0.8,2.9 0.7,2 1.3)"</span>
224 <span class="string">"(4.0 2.0, 4.2 1.4, 4.8 1.9, 4.4 2.2, 4.0 2.0))"</span><span class="special">,</span> <span class="identifier">poly</span><span class="special">);</span>
226 <span class="identifier">point_type</span> <span class="identifier">p</span><span class="special">(</span><span class="number">4</span><span class="special">,</span> <span class="number">1</span><span class="special">);</span>
228 <span class="identifier">boost</span><span class="special">::</span><span class="identifier">geometry</span><span class="special">::</span><span class="identifier">de9im</span><span class="special">::</span><span class="identifier">mask</span> <span class="identifier">mask</span><span class="special">(</span><span class="string">"T*F**F***"</span><span class="special">);</span> <span class="comment">// within</span>
229 <span class="keyword">bool</span> <span class="identifier">check</span> <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">geometry</span><span class="special">::</span><span class="identifier">relate</span><span class="special">(</span><span class="identifier">p</span><span class="special">,</span> <span class="identifier">poly</span><span class="special">,</span> <span class="identifier">mask</span><span class="special">);</span>
231 <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="string">"relate: "</span> <span class="special"><<</span> <span class="special">(</span><span class="identifier">check</span> <span class="special">?</span> <span class="string">"yes"</span> <span class="special">:</span> <span class="string">"no"</span><span class="special">)</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
233 <span class="keyword">return</span> <span class="number">0</span><span class="special">;</span>
234 <span class="special">}</span>
241 <pre class="programlisting">relate: yes
243 <img src="../../../../img/algorithms/within.png" alt="within">
246 <a name="geometry.reference.algorithms.relate.relate_4_with_strategy.h6"></a>
247 <span class="phrase"><a name="geometry.reference.algorithms.relate.relate_4_with_strategy.see_also"></a></span><a class="link" href="relate_4_with_strategy.html#geometry.reference.algorithms.relate.relate_4_with_strategy.see_also">See
250 <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
251 <li class="listitem">
252 <a class="link" href="../../de9im/de9im_mask.html" title="de9im::mask">de9im::mask</a>
254 <li class="listitem">
255 <a class="link" href="../../de9im/de9im_static_mask.html" title="de9im::static_mask">de9im::static_mask</a>
257 <li class="listitem">
258 <a class="link" href="../relation.html" title="relation">relation</a>
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264 <td align="right"><div class="copyright-footer">Copyright © 2009-2019 Barend Gehrels, Bruno Lalande, Mateusz Loskot, Adam
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