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<div class="title">KPIECE1.cpp</div>  </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*********************************************************************</span>
<a name="l00002"></a>00002 <span class="comment">* Software License Agreement (BSD License)</span>
<a name="l00003"></a>00003 <span class="comment">*</span>
<a name="l00004"></a>00004 <span class="comment">*  Copyright (c) 2008, Willow Garage, Inc.</span>
<a name="l00005"></a>00005 <span class="comment">*  All rights reserved.</span>
<a name="l00006"></a>00006 <span class="comment">*</span>
<a name="l00007"></a>00007 <span class="comment">*  Redistribution and use in source and binary forms, with or without</span>
<a name="l00008"></a>00008 <span class="comment">*  modification, are permitted provided that the following conditions</span>
<a name="l00009"></a>00009 <span class="comment">*  are met:</span>
<a name="l00010"></a>00010 <span class="comment">*</span>
<a name="l00011"></a>00011 <span class="comment">*   * Redistributions of source code must retain the above copyright</span>
<a name="l00012"></a>00012 <span class="comment">*     notice, this list of conditions and the following disclaimer.</span>
<a name="l00013"></a>00013 <span class="comment">*   * Redistributions in binary form must reproduce the above</span>
<a name="l00014"></a>00014 <span class="comment">*     copyright notice, this list of conditions and the following</span>
<a name="l00015"></a>00015 <span class="comment">*     disclaimer in the documentation and/or other materials provided</span>
<a name="l00016"></a>00016 <span class="comment">*     with the distribution.</span>
<a name="l00017"></a>00017 <span class="comment">*   * Neither the name of the Willow Garage nor the names of its</span>
<a name="l00018"></a>00018 <span class="comment">*     contributors may be used to endorse or promote products derived</span>
<a name="l00019"></a>00019 <span class="comment">*     from this software without specific prior written permission.</span>
<a name="l00020"></a>00020 <span class="comment">*</span>
<a name="l00021"></a>00021 <span class="comment">*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span>
<a name="l00022"></a>00022 <span class="comment">*  &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span>
<a name="l00023"></a>00023 <span class="comment">*  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS</span>
<a name="l00024"></a>00024 <span class="comment">*  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE</span>
<a name="l00025"></a>00025 <span class="comment">*  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,</span>
<a name="l00026"></a>00026 <span class="comment">*  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,</span>
<a name="l00027"></a>00027 <span class="comment">*  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;</span>
<a name="l00028"></a>00028 <span class="comment">*  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER</span>
<a name="l00029"></a>00029 <span class="comment">*  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT</span>
<a name="l00030"></a>00030 <span class="comment">*  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN</span>
<a name="l00031"></a>00031 <span class="comment">*  ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span>
<a name="l00032"></a>00032 <span class="comment">*  POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00033"></a>00033 <span class="comment">*********************************************************************/</span>
<a name="l00034"></a>00034 
<a name="l00035"></a>00035 <span class="comment">/* Author: Ioan Sucan */</span>
<a name="l00036"></a>00036 
<a name="l00037"></a>00037 <span class="preprocessor">#include &quot;ompl/geometric/planners/kpiece/KPIECE1.h&quot;</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include &quot;ompl/base/GoalSampleableRegion.h&quot;</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include &quot;ompl/tools/config/SelfConfig.h&quot;</span>
<a name="l00040"></a>00040 <span class="preprocessor">#include &lt;limits&gt;</span>
<a name="l00041"></a>00041 <span class="preprocessor">#include &lt;cassert&gt;</span>
<a name="l00042"></a>00042 
<a name="l00043"></a><a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#a7405c7522f785b3395c3e0b3af063ca8">00043</a> <span class="keywordtype">void</span> <a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#a7405c7522f785b3395c3e0b3af063ca8" title="Perform extra configuration steps, if needed. This call will also issue a call to ompl::base::SpaceIn...">ompl::geometric::KPIECE1::setup</a>(<span class="keywordtype">void</span>)
<a name="l00044"></a>00044 {
<a name="l00045"></a>00045     <a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#a7405c7522f785b3395c3e0b3af063ca8" title="Perform extra configuration steps, if needed. This call will also issue a call to ompl::base::SpaceIn...">Planner::setup</a>();
<a name="l00046"></a>00046     <a class="code" href="classompl_1_1SelfConfig.html" title="This class contains methods that automatically configure various parameters for motion planning...">SelfConfig</a> sc(<a class="code" href="classompl_1_1base_1_1Planner.html#aa3ceb9471163b6c96f6eeadbcfd3694e" title="The space information for which planning is done.">si_</a>, <a class="code" href="classompl_1_1base_1_1Planner.html#a79bac96f3b6f6e07c24f4b407054f8a3" title="Get the name of the planner.">getName</a>());
<a name="l00047"></a>00047     sc.<a class="code" href="classompl_1_1SelfConfig.html#ad2b1dc5899d8fab0744bacab31bc1661" title="If proj is undefined, it is set to the default projection reported by base::StateSpace::getDefaultPro...">configureProjectionEvaluator</a>(<a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#a0d2bea89173b3bd0b6dba6dfee899805" title="This algorithm uses a discretization (a grid) to guide the exploration. The exploration is imposed on...">projectionEvaluator_</a>);
<a name="l00048"></a>00048     sc.<a class="code" href="classompl_1_1SelfConfig.html#a86d0c4b1dc9a9a25bd53a6820a6b973c" title="Compute what a good length for motion segments is.">configurePlannerRange</a>(<a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#af35630c62772c43535d8cdb6f6d87b55" title="The maximum length of a motion to be added to a tree.">maxDistance_</a>);
<a name="l00049"></a>00049 
<a name="l00050"></a>00050     <span class="keywordflow">if</span> (<a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#ac287294d48e1550593d8ec841fcda978" title="When extending a motion from a cell, the extension can fail. If it is, the score of the cell is multi...">badScoreFactor_</a> &lt; std::numeric_limits&lt;double&gt;::epsilon() || <a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#ac287294d48e1550593d8ec841fcda978" title="When extending a motion from a cell, the extension can fail. If it is, the score of the cell is multi...">badScoreFactor_</a> &gt; 1.0)
<a name="l00051"></a>00051         <span class="keywordflow">throw</span> <a class="code" href="classompl_1_1Exception.html" title="The exception type for ompl.">Exception</a>(<span class="stringliteral">&quot;Bad cell score factor must be in the range (0,1]&quot;</span>);
<a name="l00052"></a>00052     <span class="keywordflow">if</span> (<a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#a0fb6a4b5f86612742508f241f8bbb206" title="When extending a motion from a cell, the extension can be successful. If it is, the score of the cell...">goodScoreFactor_</a> &lt; std::numeric_limits&lt;double&gt;::epsilon() || <a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#a0fb6a4b5f86612742508f241f8bbb206" title="When extending a motion from a cell, the extension can be successful. If it is, the score of the cell...">goodScoreFactor_</a> &gt; 1.0)
<a name="l00053"></a>00053         <span class="keywordflow">throw</span> <a class="code" href="classompl_1_1Exception.html" title="The exception type for ompl.">Exception</a>(<span class="stringliteral">&quot;Good cell score factor must be in the range (0,1]&quot;</span>);
<a name="l00054"></a>00054     <span class="keywordflow">if</span> (<a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#a8fdf659ed4635fbbefc64fa627ae6ce0" title="When extending a motion, the planner can decide to keep the first valid part of it, even if invalid states are found, as long as the valid part represents a sufficiently large fraction from the original motion.">minValidPathFraction_</a> &lt; std::numeric_limits&lt;double&gt;::epsilon() || <a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#a8fdf659ed4635fbbefc64fa627ae6ce0" title="When extending a motion, the planner can decide to keep the first valid part of it, even if invalid states are found, as long as the valid part represents a sufficiently large fraction from the original motion.">minValidPathFraction_</a> &gt; 1.0)
<a name="l00055"></a>00055         <span class="keywordflow">throw</span> <a class="code" href="classompl_1_1Exception.html" title="The exception type for ompl.">Exception</a>(<span class="stringliteral">&quot;The minimum valid path fraction must be in the range (0,1]&quot;</span>);
<a name="l00056"></a>00056 
<a name="l00057"></a>00057     <a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#a60d8490911f47565fc085d0b0e5c9f62" title="The tree datastructure and the grid that covers it.">disc_</a>.setDimension(<a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#a0d2bea89173b3bd0b6dba6dfee899805" title="This algorithm uses a discretization (a grid) to guide the exploration. The exploration is imposed on...">projectionEvaluator_</a>-&gt;getDimension());
<a name="l00058"></a>00058 }
<a name="l00059"></a>00059 
<a name="l00060"></a><a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#a57c1d087462ad4b2438f78b38718f708">00060</a> <span class="keywordtype">void</span> <a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#a57c1d087462ad4b2438f78b38718f708" title="Clear all internal datastructures. Planner settings are not affected. Subsequent calls to solve() wil...">ompl::geometric::KPIECE1::clear</a>(<span class="keywordtype">void</span>)
<a name="l00061"></a>00061 {
<a name="l00062"></a>00062     Planner::clear();
<a name="l00063"></a>00063     sampler_.reset();
<a name="l00064"></a>00064     disc_.clear();
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066 
<a name="l00067"></a><a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#aea9ced6e390f478d108e7e8c1a662a54">00067</a> <span class="keywordtype">void</span> <a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#aea9ced6e390f478d108e7e8c1a662a54" title="Free the memory for a motion.">ompl::geometric::KPIECE1::freeMotion</a>(<a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html" title="Representation of a motion for this algorithm.">Motion</a> *motion)
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069     <span class="keywordflow">if</span> (motion-&gt;<a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html#a5d1e5baf3d93eef48769ba2dd635aac1" title="The state contained by this motion.">state</a>)
<a name="l00070"></a>00070         si_-&gt;freeState(motion-&gt;<a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html#a5d1e5baf3d93eef48769ba2dd635aac1" title="The state contained by this motion.">state</a>);
<a name="l00071"></a>00071     <span class="keyword">delete</span> motion;
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073 
<a name="l00074"></a><a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#aa24f9d8c15f9cb8bfc022567074fbed7">00074</a> <span class="keywordtype">bool</span> <a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#aa24f9d8c15f9cb8bfc022567074fbed7" title="Function that can solve the motion planning problem. This function can be called multiple times on th...">ompl::geometric::KPIECE1::solve</a>(<span class="keyword">const</span> <a class="code" href="classompl_1_1base_1_1PlannerTerminationCondition.html" title="Encapsulate a termination condition for a motion planner. Planners will call operator() to decide whe...">base::PlannerTerminationCondition</a> &amp;ptc)
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076     checkValidity();
<a name="l00077"></a>00077     <a class="code" href="classompl_1_1base_1_1Goal.html" title="Abstract definition of goals. Will contain solutions, if found.">base::Goal</a>                   *goal = pdef_-&gt;getGoal().get();
<a name="l00078"></a>00078     <a class="code" href="classompl_1_1base_1_1GoalSampleableRegion.html" title="Abstract definition of a goal region that can be sampled.">base::GoalSampleableRegion</a> *goal_s = <span class="keyword">dynamic_cast&lt;</span><a class="code" href="classompl_1_1base_1_1GoalSampleableRegion.html" title="Abstract definition of a goal region that can be sampled.">base::GoalSampleableRegion</a>*<span class="keyword">&gt;</span>(goal);
<a name="l00079"></a>00079 
<a name="l00080"></a>00080     <a class="code" href="classompl_1_1geometric_1_1Discretization.html#a685f1b61176111a7a248f20350f421e7" title="The datatype for the maintained grid coordinates.">Discretization&lt;Motion&gt;::Coord</a> xcoord;
<a name="l00081"></a>00081 
<a name="l00082"></a>00082     <span class="keywordflow">while</span> (<span class="keyword">const</span> <a class="code" href="classompl_1_1base_1_1State.html" title="Definition of an abstract state.">base::State</a> *st = pis_.nextStart())
<a name="l00083"></a>00083     {
<a name="l00084"></a>00084         <a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html" title="Representation of a motion for this algorithm.">Motion</a> *motion = <span class="keyword">new</span> <a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html" title="Representation of a motion for this algorithm.">Motion</a>(si_);
<a name="l00085"></a>00085         si_-&gt;copyState(motion-&gt;<a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html#a5d1e5baf3d93eef48769ba2dd635aac1" title="The state contained by this motion.">state</a>, st);
<a name="l00086"></a>00086         projectionEvaluator_-&gt;computeCoordinates(motion-&gt;<a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html#a5d1e5baf3d93eef48769ba2dd635aac1" title="The state contained by this motion.">state</a>, xcoord);
<a name="l00087"></a>00087         disc_.addMotion(motion, xcoord, 1.0);
<a name="l00088"></a>00088     }
<a name="l00089"></a>00089 
<a name="l00090"></a>00090     <span class="keywordflow">if</span> (disc_.getMotionCount() == 0)
<a name="l00091"></a>00091     {
<a name="l00092"></a>00092         msg_.error(<span class="stringliteral">&quot;There are no valid initial states!&quot;</span>);
<a name="l00093"></a>00093         <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00094"></a>00094     }
<a name="l00095"></a>00095 
<a name="l00096"></a>00096     <span class="keywordflow">if</span> (!sampler_)
<a name="l00097"></a>00097         sampler_ = si_-&gt;allocStateSampler();
<a name="l00098"></a>00098 
<a name="l00099"></a>00099     msg_.inform(<span class="stringliteral">&quot;Starting with %u states&quot;</span>, disc_.getMotionCount());
<a name="l00100"></a>00100 
<a name="l00101"></a>00101     <a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html" title="Representation of a motion for this algorithm.">Motion</a> *solution    = NULL;
<a name="l00102"></a>00102     <a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html" title="Representation of a motion for this algorithm.">Motion</a> *approxsol   = NULL;
<a name="l00103"></a>00103     <span class="keywordtype">double</span>  approxdif   = std::numeric_limits&lt;double&gt;::infinity();
<a name="l00104"></a>00104     <a class="code" href="classompl_1_1base_1_1State.html" title="Definition of an abstract state.">base::State</a> *xstate = si_-&gt;allocState();
<a name="l00105"></a>00105 
<a name="l00106"></a>00106     <span class="keywordflow">while</span> (ptc() == <span class="keyword">false</span>)
<a name="l00107"></a>00107     {
<a name="l00108"></a>00108         disc_.countIteration();
<a name="l00109"></a>00109 
<a name="l00110"></a>00110         <span class="comment">/* Decide on a state to expand from */</span>
<a name="l00111"></a>00111         <a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html" title="Representation of a motion for this algorithm.">Motion</a>                       *existing = NULL;
<a name="l00112"></a>00112         <a class="code" href="structompl_1_1Grid_1_1Cell.html" title="Definition of a cell in this grid.">Discretization&lt;Motion&gt;::Cell</a> *ecell    = NULL;
<a name="l00113"></a>00113         disc_.selectMotion(existing, ecell);
<a name="l00114"></a>00114         assert(existing);
<a name="l00115"></a>00115 
<a name="l00116"></a>00116         <span class="comment">/* sample random state (with goal biasing) */</span>
<a name="l00117"></a>00117         <span class="keywordflow">if</span> (goal_s &amp;&amp; rng_.uniform01() &lt; goalBias_ &amp;&amp; goal_s-&gt;<a class="code" href="classompl_1_1base_1_1GoalSampleableRegion.html#a60329b89ea7217a7550197e5866c28c7" title="Return true of maxSampleCount() &gt; 0, since in this case samples can certainly be produced.">canSample</a>())
<a name="l00118"></a>00118             goal_s-&gt;<a class="code" href="classompl_1_1base_1_1GoalSampleableRegion.html#a11c9d2c4d9d5ddbeb8c30e531d1efc5f" title="Sample a state in the goal region.">sampleGoal</a>(xstate);
<a name="l00119"></a>00119         <span class="keywordflow">else</span>
<a name="l00120"></a>00120             sampler_-&gt;sampleUniformNear(xstate, existing-&gt;<a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html#a5d1e5baf3d93eef48769ba2dd635aac1" title="The state contained by this motion.">state</a>, maxDistance_);
<a name="l00121"></a>00121 
<a name="l00122"></a>00122         std::pair&lt;base::State*, double&gt; fail(xstate, 0.0);
<a name="l00123"></a>00123         <span class="keywordtype">bool</span> keep = si_-&gt;checkMotion(existing-&gt;<a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html#a5d1e5baf3d93eef48769ba2dd635aac1" title="The state contained by this motion.">state</a>, xstate, fail);
<a name="l00124"></a>00124         <span class="keywordflow">if</span> (!keep &amp;&amp; fail.second &gt; minValidPathFraction_)
<a name="l00125"></a>00125             keep = <span class="keyword">true</span>;
<a name="l00126"></a>00126 
<a name="l00127"></a>00127         <span class="keywordflow">if</span> (keep)
<a name="l00128"></a>00128         {
<a name="l00129"></a>00129             <span class="comment">/* create a motion */</span>
<a name="l00130"></a>00130             <a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html" title="Representation of a motion for this algorithm.">Motion</a> *motion = <span class="keyword">new</span> <a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html" title="Representation of a motion for this algorithm.">Motion</a>(si_);
<a name="l00131"></a>00131             si_-&gt;copyState(motion-&gt;<a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html#a5d1e5baf3d93eef48769ba2dd635aac1" title="The state contained by this motion.">state</a>, xstate);
<a name="l00132"></a>00132             motion-&gt;<a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html#a15cb8c4fbbdf9131bf3db4679b14dace" title="The parent motion in the exploration tree.">parent</a> = existing;
<a name="l00133"></a>00133 
<a name="l00134"></a>00134             <span class="keywordtype">double</span> dist = 0.0;
<a name="l00135"></a>00135             <span class="keywordtype">bool</span> solved = goal-&gt;<a class="code" href="classompl_1_1base_1_1Goal.html#a02ba4ba487714cd4e8f67c9d4164d0ec" title="Return true if the state satisfies the goal constraints.">isSatisfied</a>(motion-&gt;<a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html#a5d1e5baf3d93eef48769ba2dd635aac1" title="The state contained by this motion.">state</a>, &amp;dist);
<a name="l00136"></a>00136             projectionEvaluator_-&gt;computeCoordinates(motion-&gt;<a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html#a5d1e5baf3d93eef48769ba2dd635aac1" title="The state contained by this motion.">state</a>, xcoord);
<a name="l00137"></a>00137             disc_.addMotion(motion, xcoord, dist);
<a name="l00138"></a>00138 
<a name="l00139"></a>00139             <span class="keywordflow">if</span> (solved)
<a name="l00140"></a>00140             {
<a name="l00141"></a>00141                 approxdif = dist;
<a name="l00142"></a>00142                 solution = motion;
<a name="l00143"></a>00143                 <span class="keywordflow">break</span>;
<a name="l00144"></a>00144             }
<a name="l00145"></a>00145             <span class="keywordflow">if</span> (dist &lt; approxdif)
<a name="l00146"></a>00146             {
<a name="l00147"></a>00147                 approxdif = dist;
<a name="l00148"></a>00148                 approxsol = motion;
<a name="l00149"></a>00149             }
<a name="l00150"></a>00150             ecell-&gt;<a class="code" href="structompl_1_1Grid_1_1Cell.html#a9a32dbce70bab52e6d45b0a4d0106366" title="The data we store in the cell.">data</a>-&gt;score *= goodScoreFactor_;
<a name="l00151"></a>00151         }
<a name="l00152"></a>00152         <span class="keywordflow">else</span>
<a name="l00153"></a>00153             ecell-&gt;<a class="code" href="structompl_1_1Grid_1_1Cell.html#a9a32dbce70bab52e6d45b0a4d0106366" title="The data we store in the cell.">data</a>-&gt;score *= badScoreFactor_;
<a name="l00154"></a>00154 
<a name="l00155"></a>00155         disc_.updateCell(ecell);
<a name="l00156"></a>00156     }
<a name="l00157"></a>00157 
<a name="l00158"></a>00158     <span class="keywordtype">bool</span> approximate = <span class="keyword">false</span>;
<a name="l00159"></a>00159     <span class="keywordflow">if</span> (solution == NULL)
<a name="l00160"></a>00160     {
<a name="l00161"></a>00161         solution = approxsol;
<a name="l00162"></a>00162         approximate = <span class="keyword">true</span>;
<a name="l00163"></a>00163     }
<a name="l00164"></a>00164 
<a name="l00165"></a>00165     <span class="keywordflow">if</span> (solution != NULL)
<a name="l00166"></a>00166     {
<a name="l00167"></a>00167         <span class="comment">/* construct the solution path */</span>
<a name="l00168"></a>00168         std::vector&lt;Motion*&gt; mpath;
<a name="l00169"></a>00169         <span class="keywordflow">while</span> (solution != NULL)
<a name="l00170"></a>00170         {
<a name="l00171"></a>00171             mpath.push_back(solution);
<a name="l00172"></a>00172             solution = solution-&gt;<a class="code" href="classompl_1_1geometric_1_1KPIECE1_1_1Motion.html#a15cb8c4fbbdf9131bf3db4679b14dace" title="The parent motion in the exploration tree.">parent</a>;
<a name="l00173"></a>00173         }
<a name="l00174"></a>00174 
<a name="l00175"></a>00175         <span class="comment">/* set the solution path */</span>
<a name="l00176"></a>00176         <a class="code" href="classompl_1_1geometric_1_1PathGeometric.html" title="Definition of a geometric path.">PathGeometric</a> *path = <span class="keyword">new</span> <a class="code" href="classompl_1_1geometric_1_1PathGeometric.html" title="Definition of a geometric path.">PathGeometric</a>(si_);
<a name="l00177"></a>00177            <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = mpath.size() - 1 ; i &gt;= 0 ; --i)
<a name="l00178"></a>00178             path-&gt;<a class="code" href="classompl_1_1geometric_1_1PathGeometric.html#a3a729dab22338b733888bc2f9c9769a4" title="The list of states that make up the path.">states</a>.push_back(si_-&gt;cloneState(mpath[i]-&gt;state));
<a name="l00179"></a>00179         goal-&gt;<a class="code" href="classompl_1_1base_1_1Goal.html#afbfc02ebac97049ebdd28d040ce44c37" title="Set the difference between the found solution path and the desired solution path.">setDifference</a>(approxdif);
<a name="l00180"></a>00180         goal-&gt;<a class="code" href="classompl_1_1base_1_1Goal.html#ade528c0fefb9094abc1a2d1518a5f860" title="Update the solution path. If a previous solution path exists, it is deleted.">setSolutionPath</a>(<a class="code" href="classompl_1_1base_1_1PathPtr.html" title="A boost shared pointer wrapper for ompl::base::Path.">base::PathPtr</a>(path), approximate);
<a name="l00181"></a>00181 
<a name="l00182"></a>00182         <span class="keywordflow">if</span> (approximate)
<a name="l00183"></a>00183             msg_.warn(<span class="stringliteral">&quot;Found approximate solution&quot;</span>);
<a name="l00184"></a>00184     }
<a name="l00185"></a>00185 
<a name="l00186"></a>00186     si_-&gt;freeState(xstate);
<a name="l00187"></a>00187 
<a name="l00188"></a>00188     msg_.inform(<span class="stringliteral">&quot;Created %u states in %u cells (%u internal + %u external)&quot;</span>, disc_.getMotionCount(), disc_.getCellCount(),
<a name="l00189"></a>00189                 disc_.getGrid().countInternal(), disc_.getGrid().countExternal());
<a name="l00190"></a>00190 
<a name="l00191"></a>00191     <span class="keywordflow">return</span> goal-&gt;<a class="code" href="classompl_1_1base_1_1Goal.html#a9a6e44d33f848108d0beeb1cf7a6c1ad" title="Returns true if a solution path has been found (could be approximate)">isAchieved</a>();
<a name="l00192"></a>00192 }
<a name="l00193"></a>00193 
<a name="l00194"></a><a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#a9237d5408e901a53951948c08f70ae88">00194</a> <span class="keywordtype">void</span> <a class="code" href="classompl_1_1geometric_1_1KPIECE1.html#a9237d5408e901a53951948c08f70ae88" title="Get information about the current run of the motion planner. Repeated calls to this function will upd...">ompl::geometric::KPIECE1::getPlannerData</a>(<a class="code" href="classompl_1_1base_1_1PlannerData.html" title="Datatype holding data a planner can expose for debug purposes.">base::PlannerData</a> &amp;data)<span class="keyword"> const</span>
<a name="l00195"></a>00195 <span class="keyword"></span>{
<a name="l00196"></a>00196     Planner::getPlannerData(data);
<a name="l00197"></a>00197     disc_.getPlannerData(data, 0);
<a name="l00198"></a>00198 }
</pre></div></div>
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