libs/geometry/doc/html/geometry/reference/strategies/strategy_simplify_douglas_peucker.html


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<title>strategy::simplify::douglas_peucker</title>
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<div class="titlepage"><div><div><h4 class="title">
<a name="geometry.reference.strategies.strategy_simplify_douglas_peucker"></a><a class="link" href="strategy_simplify_douglas_peucker.html" title="strategy::simplify::douglas_peucker">strategy::simplify::douglas_peucker</a>
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<p>
          <a class="indexterm" name="idp135796256"></a><a class="indexterm" name="idp135796944"></a><a class="indexterm" name="idp135797632"></a>
Implements the simplify algorithm.
        </p>
<h6>
<a name="geometry.reference.strategies.strategy_simplify_douglas_peucker.h0"></a>
          <span class="phrase"><a name="geometry.reference.strategies.strategy_simplify_douglas_peucker.description"></a></span><a class="link" href="strategy_simplify_douglas_peucker.html#geometry.reference.strategies.strategy_simplify_douglas_peucker.description">Description</a>
        </h6>
<p>
          The douglas_peucker strategy simplifies a linestring, ring or vector of
          points using the well-known Douglas-Peucker algorithm.
        </p>
<h6>
<a name="geometry.reference.strategies.strategy_simplify_douglas_peucker.h1"></a>
          <span class="phrase"><a name="geometry.reference.strategies.strategy_simplify_douglas_peucker.synopsis"></a></span><a class="link" href="strategy_simplify_douglas_peucker.html#geometry.reference.strategies.strategy_simplify_douglas_peucker.synopsis">Synopsis</a>
        </h6>
<p>
</p>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">Point</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">PointDistanceStrategy</span><span class="special">&gt;</span>
<span class="keyword">class</span> <span class="identifier">strategy</span><span class="special">::</span><span class="identifier">simplify</span><span class="special">::</span><span class="identifier">douglas_peucker</span>
<span class="special">{</span>
  <span class="comment">// ...</span>
<span class="special">};</span>
</pre>
<p>
        </p>
<h6>
<a name="geometry.reference.strategies.strategy_simplify_douglas_peucker.h2"></a>
          <span class="phrase"><a name="geometry.reference.strategies.strategy_simplify_douglas_peucker.template_parameter_s_"></a></span><a class="link" href="strategy_simplify_douglas_peucker.html#geometry.reference.strategies.strategy_simplify_douglas_peucker.template_parameter_s_">Template
          parameter(s)</a>
        </h6>
<div class="informaltable"><table class="table">
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<th>
                  <p>
                    Parameter
                  </p>
                </th>
<th>
                  <p>
                    Description
                  </p>
                </th>
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<tbody>
<tr>
<td>
                  <p>
                    typename Point
                  </p>
                </td>
<td>
                  <p>
                    the point type
                  </p>
                </td>
</tr>
<tr>
<td>
                  <p>
                    typename PointDistanceStrategy
                  </p>
                </td>
<td>
                  <p>
                    point-segment distance strategy to be used
                  </p>
                </td>
</tr>
</tbody>
</table></div>
<h6>
<a name="geometry.reference.strategies.strategy_simplify_douglas_peucker.h3"></a>
          <span class="phrase"><a name="geometry.reference.strategies.strategy_simplify_douglas_peucker.member_function_s_"></a></span><a class="link" href="strategy_simplify_douglas_peucker.html#geometry.reference.strategies.strategy_simplify_douglas_peucker.member_function_s_">Member
          Function(s)</a>
        </h6>
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                    Function
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                    Returns
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<td>
                  <p>
</p>
<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">Range</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">OutputIterator</span><span class="special">&gt;</span>
<span class="identifier">OutputIterator</span> <span class="identifier">apply</span><span class="special">(</span><span class="identifier">Range</span> <span class="keyword">const</span> <span class="special">&amp;</span> <span class="identifier">range</span><span class="special">,</span> <span class="identifier">OutputIterator</span> <span class="identifier">out</span><span class="special">,</span> <span class="identifier">distance_type</span> <span class="identifier">max_distance</span><span class="special">)</span></pre>
<p>
                  </p>
                </td>
<td>
                </td>
<td>
                  <p>
                    <span class="bold"><strong>Range const &amp;</strong></span>: <span class="emphasis"><em>range</em></span>:
                  </p>
                  <p>
                    <span class="bold"><strong>OutputIterator</strong></span>: <span class="emphasis"><em>out</em></span>:
                  </p>
                  <p>
                    <span class="bold"><strong>distance_type</strong></span>: <span class="emphasis"><em>max_distance</em></span>:
                  </p>
                </td>
<td>
                </td>
</tr></tbody>
</table></div>
<h6>
<a name="geometry.reference.strategies.strategy_simplify_douglas_peucker.h4"></a>
          <span class="phrase"><a name="geometry.reference.strategies.strategy_simplify_douglas_peucker.header"></a></span><a class="link" href="strategy_simplify_douglas_peucker.html#geometry.reference.strategies.strategy_simplify_douglas_peucker.header">Header</a>
        </h6>
<p>
          <code class="computeroutput"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">geometry</span><span class="special">/</span><span class="identifier">strategies</span><span class="special">/</span><span class="identifier">agnostic</span><span class="special">/</span><span class="identifier">simplify_douglas_peucker</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>
        </p>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2009-2014 Barend Gehrels, Bruno Lalande, Mateusz Loskot, Adam
      Wulkiewicz, Oracle and/or its affiliates<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>)
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