<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>GEOS: geos::index::intervalrtree::SortedPackedIntervalRTree Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.1 --> <div class="navigation" id="top"> <div class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li class="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> </ul> </div> <div class="tabs2"> <ul class="tablist"> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul> </div> <div class="navpath"> <ul> <li><a class="el" href="namespacegeos.html">geos</a> </li> <li><a class="el" href="namespacegeos_1_1index.html">index</a> </li> <li><b>intervalrtree</b> </li> <li><a class="el" href="classgeos_1_1index_1_1intervalrtree_1_1SortedPackedIntervalRTree.html">geos::index::intervalrtree::SortedPackedIntervalRTree</a> </li> </ul> </div> </div> <div class="header"> <div class="summary"> <a href="#pub-methods">Public Member Functions</a> </div> <div class="headertitle"> <h1>geos::index::intervalrtree::SortedPackedIntervalRTree Class Reference</h1> </div> </div> <div class="contents"> <!-- doxytag: class="geos::index::intervalrtree::SortedPackedIntervalRTree" --> <p>A static index on a set of 1-dimensional intervals, using an R-Tree packed based on the order of the interval midpoints. <a href="#_details">More...</a></p> <p><code>#include <<a class="el" href="SortedPackedIntervalRTree_8h_source.html">SortedPackedIntervalRTree.h</a>></code></p> <p><a href="classgeos_1_1index_1_1intervalrtree_1_1SortedPackedIntervalRTree-members.html">List of all members.</a></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1intervalrtree_1_1SortedPackedIntervalRTree.html#a5943a21cbef4ff21384cc241283665b6">insert</a> (double min, double max, void *item)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1intervalrtree_1_1SortedPackedIntervalRTree.html#a0f42fd73f396a63d5573f1afb572c366">query</a> (double min, double max, <a class="el" href="classgeos_1_1index_1_1ItemVisitor.html">index::ItemVisitor</a> *visitor)</td></tr> </table> <hr/><a name="_details"></a><h2>Detailed Description</h2> <p>A static index on a set of 1-dimensional intervals, using an R-Tree packed based on the order of the interval midpoints. </p> <p>It supports range searching, where the range is an interval of the real line (which may be a single point). A common use is to index 1-dimensional intervals which are the projection of 2-D objects onto an axis of the coordinate system.</p> <p>This index structure is <em>static</em></p> <ul> <li>items cannot be added or removed once the first query has been made. The advantage of this characteristic is that the index performance can be optimized based on a fixed set of items.</li> </ul> <dl class="author"><dt><b>Author:</b></dt><dd>Martin Davis </dd></dl> <hr/><h2>Member Function Documentation</h2> <a class="anchor" id="a5943a21cbef4ff21384cc241283665b6"></a><!-- doxytag: member="geos::index::intervalrtree::SortedPackedIntervalRTree::insert" ref="a5943a21cbef4ff21384cc241283665b6" args="(double min, double max, void *item)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void geos::index::intervalrtree::SortedPackedIntervalRTree::insert </td> <td>(</td> <td class="paramtype">double </td> <td class="paramname"> <em>min</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"> <em>max</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">void * </td> <td class="paramname"> <em>item</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Adds an item to the index which is associated with the given interval</p> <dl><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>min</em> </td><td>the lower bound of the item interval </td></tr> <tr><td valign="top"></td><td valign="top"><em>max</em> </td><td>the upper bound of the item interval </td></tr> <tr><td valign="top"></td><td valign="top"><em>item</em> </td><td>the item to insert, ownership left to caller</td></tr> </table> </dd> </dl> <dl><dt><b>Exceptions:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>IllegalStateException</em> </td><td>if the index has already been queried </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="a0f42fd73f396a63d5573f1afb572c366"></a><!-- doxytag: member="geos::index::intervalrtree::SortedPackedIntervalRTree::query" ref="a0f42fd73f396a63d5573f1afb572c366" args="(double min, double max, index::ItemVisitor *visitor)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void geos::index::intervalrtree::SortedPackedIntervalRTree::query </td> <td>(</td> <td class="paramtype">double </td> <td class="paramname"> <em>min</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"> <em>max</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="classgeos_1_1index_1_1ItemVisitor.html">index::ItemVisitor</a> * </td> <td class="paramname"> <em>visitor</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Search for intervals in the index which intersect the given closed interval and apply the visitor to them.</p> <dl><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>min</em> </td><td>the lower bound of the query interval </td></tr> <tr><td valign="top"></td><td valign="top"><em>max</em> </td><td>the upper bound of the query interval </td></tr> <tr><td valign="top"></td><td valign="top"><em>visitor</em> </td><td>the visitor to pass any matched items to </td></tr> </table> </dd> </dl> </div> </div> <hr/>The documentation for this class was generated from the following file:<ul> <li><a class="el" href="SortedPackedIntervalRTree_8h_source.html">SortedPackedIntervalRTree.h</a></li> </ul> </div> <hr class="footer"/><address class="footer"><small>Generated on Thu Jul 22 2010 for GEOS by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.1 </small></address> </body> </html>