<HTML> <!-- Copyright (c) 2004 Kris Beevers Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) --> <Head> <Title>Boost Graph Library: astar_visitor</Title> <BODY BGCOLOR="#ffffff" LINK="#0000ee" TEXT="#000000" VLINK="#551a8b" ALINK="#ff0000"> <IMG SRC="../../../boost.png" ALT="C++ Boost" width="277" height="86"> <BR Clear> <H1> <pre> astar_visitor<EventVisitorList> </pre> </H1> This class is an adapter that converts a list of <a href="./EventVisitor.html">EventVisitor</a>'s (constructed using <tt>std::pair</tt>) into a <a href="./AStarVisitor.html">AStarVisitor</a>. <h3>Example</h3> See the example for <a href="./EventVisitor.html">EventVisitor</a>. <h3>Model of</h3> <a href="./AStarVisitor.html">AStarVisitor</a> <H3>Template Parameters</H3> <P> <TABLE border> <TR> <th>Parameter</th><th>Description</th><th>Default</th> </tr> <TR><TD><TT>EventVisitorList</TT></TD> <TD> A list of <a href="./EventVisitor.html">EventVisitor</a>'s created with <tt>std::pair</tt>. </TD> <TD><TT><a href="./null_visitor.html"><tt>null_visitor</tt></a></TT></TD> </TR> </table> <H3>Where Defined</H3> <P> <a href="../../../boost/graph/astar_search.hpp"> <TT>boost/graph/astar_search.hpp</TT></a> <h3>Member Functions</h3> This class implements all of the member functions required by <a href="./AStarVisitor.html">AStarVisitor</a>. In each function the appropriate event is dispatched to the <a href="./EventVisitor.html">EventVisitor</a>'s in the EventVisitorList. <h3>Non-Member Functions</h3> <table border> <tr> <th>Function</th><th>Description</th> </tr> <tr><td><tt> template <class EventVisitorList><br> astar_visitor<EventVisitorList><br> make_astar_visitor(EventVisitorList ev_list); </tt></td><td> Returns the event visitor list adapted to be an A* visitor. </td></tr> </table> <h3>See Also</h3> <a href="./visitor_concepts.html">Visitor concepts</a> <p> The following are event visitors: <a href="./predecessor_recorder.html"><tt>predecessor_recorder</tt></a>, <a href="./distance_recorder.html"><tt>distance_recorder</tt></a>, <a href="./time_stamper.html"><tt>time_stamper</tt></a>, and <a href="./property_writer.html"><tt>property_writer</tt></a>. <br> <HR> <TABLE> <TR valign=top> <TD nowrap>Copyright © 2004</TD><TD> <A HREF="http://www.cs.rpi.edu/~beevek/">Kristopher Beevers</A>, Rensselaer Polytechnic Institute (<A HREF="mailto:beevek@cs.rpi.edu">beevek@cs.rpi.edu</A>) </TD></TR></TABLE> </BODY> </HTML>