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diff --git a/libs/geometry/doc/html/geometry/spatial_indexes/rtree_examples/index_of_iterators_of_a_map_storing_variant_geometries.html b/libs/geometry/doc/html/geometry/spatial_indexes/rtree_examples/index_of_iterators_of_a_map_storing_variant_geometries.html new file mode 100644 index 000000000..1066161bc --- /dev/null +++ b/libs/geometry/doc/html/geometry/spatial_indexes/rtree_examples/index_of_iterators_of_a_map_storing_variant_geometries.html @@ -0,0 +1,178 @@ +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> +<title>Index of iterators of a map storing variant geometries</title> +<link rel="stylesheet" href="../../../../../../../doc/src/boostbook.css" type="text/css"> +<meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> +<link rel="home" href="../../../index.html" title="Chapter 1. Geometry"> +<link rel="up" href="../rtree_examples.html" title="Examples"> +<link rel="prev" href="index_of_shared_pointers_to_polygons.html" 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class="programlisting"><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> +<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</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> +<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">box</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> +<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> +<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">ring</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> +<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">linestring</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> + +<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">index</span><span class="special">/</span><span class="identifier">rtree</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> + +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">cmath</span><span class="special">></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">vector</span><span class="special">></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">map</span><span class="special">></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">iostream</span><span class="special">></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">foreach</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">variant</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> + +<span class="keyword">namespace</span> <span class="identifier">bg</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="keyword">namespace</span> <span class="identifier">bgi</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">index</span><span class="special">;</span> + +<span class="keyword">typedef</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">model</span><span class="special">::</span><span class="identifier">point</span><span class="special"><</span><span class="keyword">float</span><span class="special">,</span> <span class="number">2</span><span class="special">,</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">cs</span><span class="special">::</span><span class="identifier">cartesian</span><span class="special">></span> <span class="identifier">point</span><span class="special">;</span> +<span class="keyword">typedef</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">model</span><span class="special">::</span><span class="identifier">box</span><span class="special"><</span><span class="identifier">point</span><span class="special">></span> <span class="identifier">box</span><span class="special">;</span> +<span class="keyword">typedef</span> <span class="identifier">bg</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</span><span class="special">,</span> <span class="keyword">false</span><span class="special">,</span> <span class="keyword">false</span><span class="special">></span> <span class="identifier">polygon</span><span class="special">;</span> <span class="comment">// ccw, open polygon</span> +<span class="keyword">typedef</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">model</span><span class="special">::</span><span class="identifier">ring</span><span class="special"><</span><span class="identifier">point</span><span class="special">,</span> <span class="keyword">false</span><span class="special">,</span> <span class="keyword">false</span><span class="special">></span> <span class="identifier">ring</span><span class="special">;</span> <span class="comment">// ccw, open ring</span> +<span class="keyword">typedef</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">model</span><span class="special">::</span><span class="identifier">linestring</span><span class="special"><</span><span class="identifier">point</span><span class="special">></span> <span class="identifier">linestring</span><span class="special">;</span> +<span class="keyword">typedef</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">variant</span><span class="special"><</span><span class="identifier">polygon</span><span class="special">,</span> <span class="identifier">ring</span><span class="special">,</span> <span class="identifier">linestring</span><span class="special">></span> <span class="identifier">geometry</span><span class="special">;</span> + +<span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">map</span><span class="special"><</span><span class="keyword">unsigned</span><span class="special">,</span> <span class="identifier">geometry</span><span class="special">></span> <span class="identifier">map</span><span class="special">;</span> +<span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span><span class="special"><</span><span class="identifier">box</span><span class="special">,</span> <span class="identifier">map</span><span class="special">::</span><span class="identifier">iterator</span><span class="special">></span> <span class="identifier">value</span><span class="special">;</span> + +<span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">Container</span><span class="special">></span> +<span class="keyword">void</span> <span class="identifier">fill</span><span class="special">(</span><span class="keyword">unsigned</span> <span class="identifier">i</span><span class="special">,</span> <span class="identifier">Container</span> <span class="special">&</span> <span class="identifier">container</span><span class="special">)</span> +<span class="special">{</span> + <span class="keyword">for</span> <span class="special">(</span> <span class="keyword">float</span> <span class="identifier">a</span> <span class="special">=</span> <span class="number">0</span> <span class="special">;</span> <span class="identifier">a</span> <span class="special"><</span> <span class="number">6.28316f</span> <span class="special">;</span> <span class="identifier">a</span> <span class="special">+=</span> <span class="number">1.04720f</span> <span class="special">)</span> + <span class="special">{</span> + <span class="keyword">float</span> <span class="identifier">x</span> <span class="special">=</span> <span class="identifier">i</span> <span class="special">+</span> <span class="keyword">int</span><span class="special">(</span><span class="number">10</span><span class="special">*::</span><span class="identifier">cos</span><span class="special">(</span><span class="identifier">a</span><span class="special">))*</span><span class="number">0.1f</span><span class="special">;</span> + <span class="keyword">float</span> <span class="identifier">y</span> <span class="special">=</span> <span class="identifier">i</span> <span class="special">+</span> <span class="keyword">int</span><span class="special">(</span><span class="number">10</span><span class="special">*::</span><span class="identifier">sin</span><span class="special">(</span><span class="identifier">a</span><span class="special">))*</span><span class="number">0.1f</span><span class="special">;</span> + <span class="identifier">container</span><span class="special">.</span><span class="identifier">push_back</span><span class="special">(</span><span class="identifier">point</span><span class="special">(</span><span class="identifier">x</span><span class="special">,</span> <span class="identifier">y</span><span class="special">));</span> + <span class="special">}</span> +<span class="special">}</span> + +<span class="keyword">struct</span> <span class="identifier">print_visitor</span> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">static_visitor</span><span class="special"><></span> +<span class="special">{</span> + <span class="keyword">void</span> <span class="keyword">operator</span><span class="special">()(</span><span class="identifier">polygon</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">g</span><span class="special">)</span> <span class="keyword">const</span> <span class="special">{</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">wkt</span><span class="special"><</span><span class="identifier">polygon</span><span class="special">>(</span><span class="identifier">g</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> <span class="special">}</span> + <span class="keyword">void</span> <span class="keyword">operator</span><span class="special">()(</span><span class="identifier">ring</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">g</span><span class="special">)</span> <span class="keyword">const</span> <span class="special">{</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">wkt</span><span class="special"><</span><span class="identifier">ring</span><span class="special">>(</span><span class="identifier">g</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> <span class="special">}</span> + <span class="keyword">void</span> <span class="keyword">operator</span><span class="special">()(</span><span class="identifier">linestring</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">g</span><span class="special">)</span> <span class="keyword">const</span> <span class="special">{</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">wkt</span><span class="special"><</span><span class="identifier">linestring</span><span class="special">>(</span><span class="identifier">g</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> <span class="special">}</span> +<span class="special">};</span> + +<span class="keyword">struct</span> <span class="identifier">envelope_visitor</span> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">static_visitor</span><span class="special"><</span><span class="identifier">box</span><span class="special">></span> +<span class="special">{</span> + <span class="identifier">box</span> <span class="keyword">operator</span><span class="special">()(</span><span class="identifier">polygon</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">g</span><span class="special">)</span> <span class="keyword">const</span> <span class="special">{</span> <span class="keyword">return</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">return_envelope</span><span class="special"><</span><span class="identifier">box</span><span class="special">>(</span><span class="identifier">g</span><span class="special">);</span> <span class="special">}</span> + <span class="identifier">box</span> <span class="keyword">operator</span><span class="special">()(</span><span class="identifier">ring</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">g</span><span class="special">)</span> <span class="keyword">const</span> <span class="special">{</span> <span class="keyword">return</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">return_envelope</span><span class="special"><</span><span class="identifier">box</span><span class="special">>(</span><span class="identifier">g</span><span class="special">);</span> <span class="special">}</span> + <span class="identifier">box</span> <span class="keyword">operator</span><span class="special">()(</span><span class="identifier">linestring</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">g</span><span class="special">)</span> <span class="keyword">const</span> <span class="special">{</span> <span class="keyword">return</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">return_envelope</span><span class="special"><</span><span class="identifier">box</span><span class="special">>(</span><span class="identifier">g</span><span class="special">);</span> <span class="special">}</span> +<span class="special">};</span> + + +<span class="keyword">int</span> <span class="identifier">main</span><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> +<span class="special">{</span> + <span class="comment">// geometries container</span> + <span class="identifier">map</span> <span class="identifier">geometries</span><span class="special">;</span> + + <span class="comment">// create some geometries</span> + <span class="keyword">for</span> <span class="special">(</span> <span class="keyword">unsigned</span> <span class="identifier">i</span> <span class="special">=</span> <span class="number">0</span> <span class="special">;</span> <span class="identifier">i</span> <span class="special"><</span> <span class="number">10</span> <span class="special">;</span> <span class="special">++</span><span class="identifier">i</span> <span class="special">)</span> + <span class="special">{</span> + <span class="keyword">unsigned</span> <span class="identifier">c</span> <span class="special">=</span> <span class="identifier">rand</span><span class="special">()</span> <span class="special">%</span> <span class="number">3</span><span class="special">;</span> + + <span class="keyword">if</span> <span class="special">(</span> <span class="number">0</span> <span class="special">==</span> <span class="identifier">c</span> <span class="special">)</span> + <span class="special">{</span> + <span class="comment">// create polygon</span> + <span class="identifier">polygon</span> <span class="identifier">p</span><span class="special">;</span> + <span class="identifier">fill</span><span class="special">(</span><span class="identifier">i</span><span class="special">,</span> <span class="identifier">p</span><span class="special">.</span><span class="identifier">outer</span><span class="special">());</span> + <span class="identifier">geometries</span><span class="special">.</span><span class="identifier">insert</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">make_pair</span><span class="special">(</span><span class="identifier">i</span><span class="special">,</span> <span class="identifier">geometry</span><span class="special">(</span><span class="identifier">p</span><span class="special">)));</span> + <span class="special">}</span> + <span class="keyword">else</span> <span class="keyword">if</span> <span class="special">(</span> <span class="number">1</span> <span class="special">==</span> <span class="identifier">c</span> <span class="special">)</span> + <span class="special">{</span> + <span class="comment">// create ring</span> + <span class="identifier">ring</span> <span class="identifier">r</span><span class="special">;</span> + <span class="identifier">fill</span><span class="special">(</span><span class="identifier">i</span><span class="special">,</span> <span class="identifier">r</span><span class="special">);</span> + <span class="identifier">geometries</span><span class="special">.</span><span class="identifier">insert</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">make_pair</span><span class="special">(</span><span class="identifier">i</span><span class="special">,</span> <span class="identifier">geometry</span><span class="special">(</span><span class="identifier">r</span><span class="special">)));</span> + <span class="special">}</span> + <span class="keyword">else</span> <span class="keyword">if</span> <span class="special">(</span> <span class="number">2</span> <span class="special">==</span> <span class="identifier">c</span> <span class="special">)</span> + <span class="special">{</span> + <span class="comment">// create linestring</span> + <span class="identifier">linestring</span> <span class="identifier">l</span><span class="special">;</span> + <span class="identifier">fill</span><span class="special">(</span><span class="identifier">i</span><span class="special">,</span> <span class="identifier">l</span><span class="special">);</span> + <span class="identifier">geometries</span><span class="special">.</span><span class="identifier">insert</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">make_pair</span><span class="special">(</span><span class="identifier">i</span><span class="special">,</span> <span class="identifier">geometry</span><span class="special">(</span><span class="identifier">l</span><span class="special">)));</span> + <span class="special">}</span> + <span class="special">}</span> + + <span class="comment">// display geometries</span> + <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="string">"generated geometries:"</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span> + <span class="identifier">BOOST_FOREACH</span><span class="special">(</span><span class="identifier">map</span><span class="special">::</span><span class="identifier">value_type</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">p</span><span class="special">,</span> <span class="identifier">geometries</span><span class="special">)</span> + <span class="identifier">boost</span><span class="special">::</span><span class="identifier">apply_visitor</span><span class="special">(</span><span class="identifier">print_visitor</span><span class="special">(),</span> <span class="identifier">p</span><span class="special">.</span><span class="identifier">second</span><span class="special">);</span> + + <span class="comment">// create the rtree using default constructor</span> + <span class="identifier">bgi</span><span class="special">::</span><span class="identifier">rtree</span><span class="special"><</span> <span class="identifier">value</span><span class="special">,</span> <span class="identifier">bgi</span><span class="special">::</span><span class="identifier">quadratic</span><span class="special"><</span><span class="number">16</span><span class="special">,</span> <span class="number">4</span><span class="special">></span> <span class="special">></span> <span class="identifier">rtree</span><span class="special">;</span> + + <span class="comment">// fill the spatial index</span> + <span class="keyword">for</span> <span class="special">(</span> <span class="identifier">map</span><span class="special">::</span><span class="identifier">iterator</span> <span class="identifier">it</span> <span class="special">=</span> <span class="identifier">geometries</span><span class="special">.</span><span class="identifier">begin</span><span class="special">()</span> <span class="special">;</span> <span class="identifier">it</span> <span class="special">!=</span> <span class="identifier">geometries</span><span class="special">.</span><span class="identifier">end</span><span class="special">()</span> <span class="special">;</span> <span class="special">++</span><span class="identifier">it</span> <span class="special">)</span> + <span class="special">{</span> + <span class="comment">// calculate polygon bounding box</span> + <span class="identifier">box</span> <span class="identifier">b</span> <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">apply_visitor</span><span class="special">(</span><span class="identifier">envelope_visitor</span><span class="special">(),</span> <span class="identifier">it</span><span class="special">-></span><span class="identifier">second</span><span class="special">);</span> + <span class="comment">// insert new value</span> + <span class="identifier">rtree</span><span class="special">.</span><span class="identifier">insert</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">make_pair</span><span class="special">(</span><span class="identifier">b</span><span class="special">,</span> <span class="identifier">it</span><span class="special">));</span> + <span class="special">}</span> + + <span class="comment">// find values intersecting some area defined by a box</span> + <span class="identifier">box</span> <span class="identifier">query_box</span><span class="special">(</span><span class="identifier">point</span><span class="special">(</span><span class="number">0</span><span class="special">,</span> <span class="number">0</span><span class="special">),</span> <span class="identifier">point</span><span class="special">(</span><span class="number">5</span><span class="special">,</span> <span class="number">5</span><span class="special">));</span> + <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="identifier">value</span><span class="special">></span> <span class="identifier">result_s</span><span class="special">;</span> + <span class="identifier">rtree</span><span class="special">.</span><span class="identifier">query</span><span class="special">(</span><span class="identifier">bgi</span><span class="special">::</span><span class="identifier">intersects</span><span class="special">(</span><span class="identifier">query_box</span><span class="special">),</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">back_inserter</span><span class="special">(</span><span class="identifier">result_s</span><span class="special">));</span> + + <span class="comment">// find 5 nearest values to a point</span> + <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="identifier">value</span><span class="special">></span> <span class="identifier">result_n</span><span class="special">;</span> + <span class="identifier">rtree</span><span class="special">.</span><span class="identifier">query</span><span class="special">(</span><span class="identifier">bgi</span><span class="special">::</span><span class="identifier">nearest</span><span class="special">(</span><span class="identifier">point</span><span class="special">(</span><span class="number">0</span><span class="special">,</span> <span class="number">0</span><span class="special">),</span> <span class="number">5</span><span class="special">),</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">back_inserter</span><span class="special">(</span><span class="identifier">result_n</span><span class="special">));</span> + + <span class="comment">// display results</span> + <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="string">"spatial query box:"</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span> + <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">wkt</span><span class="special"><</span><span class="identifier">box</span><span class="special">>(</span><span class="identifier">query_box</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> + <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="string">"spatial query result:"</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span> + <span class="identifier">BOOST_FOREACH</span><span class="special">(</span><span class="identifier">value</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">v</span><span class="special">,</span> <span class="identifier">result_s</span><span class="special">)</span> + <span class="identifier">boost</span><span class="special">::</span><span class="identifier">apply_visitor</span><span class="special">(</span><span class="identifier">print_visitor</span><span class="special">(),</span> <span class="identifier">v</span><span class="special">.</span><span class="identifier">second</span><span class="special">-></span><span class="identifier">second</span><span class="special">);</span> + + <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="string">"knn query point:"</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span> + <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">wkt</span><span class="special"><</span><span class="identifier">point</span><span class="special">>(</span><span class="identifier">point</span><span class="special">(</span><span class="number">0</span><span class="special">,</span> <span class="number">0</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> + <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="string">"knn query result:"</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span> + <span class="identifier">BOOST_FOREACH</span><span class="special">(</span><span class="identifier">value</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">v</span><span class="special">,</span> <span class="identifier">result_n</span><span class="special">)</span> + <span class="identifier">boost</span><span class="special">::</span><span class="identifier">apply_visitor</span><span class="special">(</span><span class="identifier">print_visitor</span><span class="special">(),</span> <span class="identifier">v</span><span class="special">.</span><span class="identifier">second</span><span class="special">-></span><span class="identifier">second</span><span class="special">);</span> + + <span class="keyword">return</span> <span class="number">0</span><span class="special">;</span> +<span class="special">}</span> +</pre> +<p> + </p> +</div> +<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> +<td align="left"></td> +<td align="right"><div class="copyright-footer">Copyright © 2009-2013 Barend Gehrels, Bruno Lalande, Mateusz Loskot, Adam Wulkiewicz<p> + Distributed under the Boost Software License, Version 1.0. (See accompanying + file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) + </p> +</div></td> +</tr></table> +<hr> +<div class="spirit-nav"> +<a accesskey="p" href="index_of_shared_pointers_to_polygons.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../rtree_examples.html"><img src="../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="specializing_index__indexable_function_object___storing_shared_pointers_in_the_rtree.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> +</div> +</body> +</html> |