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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>vtdata library: vtRoadMap Class Reference</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.5 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li id="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> </ul></div><div class="tabs"> <ul> <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><h1>vtRoadMap Class Reference</h1><!-- doxytag: class="vtRoadMap" --><a href="classvtRoadMap-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0"><tr><td></td></tr><tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="478b890613baab3a5a2329a7587ff08d"></a><!-- doxytag: member="vtRoadMap::DeleteElements" ref="478b890613baab3a5a2329a7587ff08d" args="()" -->void </td><td class="memItemRight" valign="bottom"><b>DeleteElements</b> ()</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9a9ab973298a7f58564a14547bebcb80"></a><!-- doxytag: member="vtRoadMap::GetMapExtent" ref="9a9ab973298a7f58564a14547bebcb80" args="()" --><a class="el" href="classDRECT.html">DRECT</a> </td><td class="memItemRight" valign="bottom"><b>GetMapExtent</b> ()</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f6bc35aa55b53a361757fb0098f5caae"></a><!-- doxytag: member="vtRoadMap::ComputeExtents" ref="f6bc35aa55b53a361757fb0098f5caae" args="()" -->void </td><td class="memItemRight" valign="bottom"><b>ComputeExtents</b> ()</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="47154e7f8e2aa77c6d58faa2ddc97ef3"></a><!-- doxytag: member="vtRoadMap::NumLinks" ref="47154e7f8e2aa77c6d58faa2ddc97ef3" args="() const " -->int </td><td class="memItemRight" valign="bottom"><b>NumLinks</b> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="bc5191bd80c57b077fd558904a0ca647"></a><!-- doxytag: member="vtRoadMap::NumNodes" ref="bc5191bd80c57b077fd558904a0ca647" args="() const " -->int </td><td class="memItemRight" valign="bottom"><b>NumNodes</b> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="68b51a8f1c91d69b32454c1da4dbbff7"></a><!-- doxytag: member="vtRoadMap::GetFirstLink" ref="68b51a8f1c91d69b32454c1da4dbbff7" args="()" --><a class="el" href="classTLink.html">TLink</a> * </td><td class="memItemRight" valign="bottom"><b>GetFirstLink</b> ()</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="fe3c7b71c012c2ebf75534a3221d8af7"></a><!-- doxytag: member="vtRoadMap::GetFirstNode" ref="fe3c7b71c012c2ebf75534a3221d8af7" args="()" --><a class="el" href="classTNode.html">TNode</a> * </td><td class="memItemRight" valign="bottom"><b>GetFirstNode</b> ()</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="676c3c8bbcee5cdfae73c0e045efaf44"></a><!-- doxytag: member="vtRoadMap::NewNode" ref="676c3c8bbcee5cdfae73c0e045efaf44" args="()" -->virtual <a class="el" href="classTNode.html">TNode</a> * </td><td class="memItemRight" valign="bottom"><b>NewNode</b> ()</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a5fd49636af366c4734f6a79b8f20f6f"></a><!-- doxytag: member="vtRoadMap::NewLink" ref="a5fd49636af366c4734f6a79b8f20f6f" args="()" -->virtual <a class="el" href="classTLink.html">TLink</a> * </td><td class="memItemRight" valign="bottom"><b>NewLink</b> ()</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3527c6f770f0471bc4106dc3e7adf7bc"></a><!-- doxytag: member="vtRoadMap::AddNode" ref="3527c6f770f0471bc4106dc3e7adf7bc" args="(TNode *pNode)" -->void </td><td class="memItemRight" valign="bottom"><b>AddNode</b> (<a class="el" href="classTNode.html">TNode</a> *pNode)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="6dd5a9e2d63d633f6c43d6a8c483a6c5"></a><!-- doxytag: member="vtRoadMap::AddLink" ref="6dd5a9e2d63d633f6c43d6a8c483a6c5" args="(TLink *pLink)" -->void </td><td class="memItemRight" valign="bottom"><b>AddLink</b> (<a class="el" href="classTLink.html">TLink</a> *pLink)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f0757db287f93d12d246d0c0373974cd"></a><!-- doxytag: member="vtRoadMap::FindNodeByID" ref="f0757db287f93d12d246d0c0373974cd" args="(int id)" --><a class="el" href="classTNode.html">TNode</a> * </td><td class="memItemRight" valign="bottom"><b>FindNodeByID</b> (int id)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classTNode.html">TNode</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classvtRoadMap.html#ab002e236e92db9cd389210c669a6810">FindNodeAtPoint</a> (const <a class="el" href="classDPoint2.html">DPoint2</a> &point, double epsilon)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="02389ed079302b83a1feeb909b69168e"></a><!-- doxytag: member="vtRoadMap::RemoveUnusedNodes" ref="02389ed079302b83a1feeb909b69168e" args="()" -->int </td><td class="memItemRight" valign="bottom"><b>RemoveUnusedNodes</b> ()</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b496efade005d4c1cb04382c015ed562"></a><!-- doxytag: member="vtRoadMap::RemoveNode" ref="b496efade005d4c1cb04382c015ed562" args="(TNode *pNode)" -->void </td><td class="memItemRight" valign="bottom"><b>RemoveNode</b> (<a class="el" href="classTNode.html">TNode</a> *pNode)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="12a27a6284598980947e22c3f80d3184"></a><!-- doxytag: member="vtRoadMap::RemoveLink" ref="12a27a6284598980947e22c3f80d3184" args="(TLink *pLink)" -->void </td><td class="memItemRight" valign="bottom"><b>RemoveLink</b> (<a class="el" href="classTLink.html">TLink</a> *pLink)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c7baeb3dcc728e224133da14a8ac6ac9"></a><!-- doxytag: member="vtRoadMap::ReadRMF" ref="c7baeb3dcc728e224133da14a8ac6ac9" args="(const char *filename, bool bHwy, bool bPaved, bool bDirt)" -->bool </td><td class="memItemRight" valign="bottom"><b>ReadRMF</b> (const char *filename, bool bHwy, bool bPaved, bool bDirt)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="97ba89ce89fbf4ebeb6e696214d950c3"></a><!-- doxytag: member="vtRoadMap::WriteRMF" ref="97ba89ce89fbf4ebeb6e696214d950c3" args="(const char *filename)" -->bool </td><td class="memItemRight" valign="bottom"><b>WriteRMF</b> (const char *filename)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="85cefd07d9f8df92b4787599b9486473"></a><!-- doxytag: member="vtRoadMap::GetProjection" ref="85cefd07d9f8df92b4787599b9486473" args="()" --><a class="el" href="classvtProjection.html">vtProjection</a> & </td><td class="memItemRight" valign="bottom"><b>GetProjection</b> ()</td></tr><tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4bec53e9b1f9320875bc393544113dac"></a><!-- doxytag: member="vtRoadMap::m_extents" ref="4bec53e9b1f9320875bc393544113dac" args="" --><a class="el" href="classDRECT.html">DRECT</a> </td><td class="memItemRight" valign="bottom"><b>m_extents</b></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a6e4a81bff998fec58638e538d66bdd2"></a><!-- doxytag: member="vtRoadMap::m_bValidExtents" ref="a6e4a81bff998fec58638e538d66bdd2" args="" -->bool </td><td class="memItemRight" valign="bottom"><b>m_bValidExtents</b></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="48b67309ff1f27069248d22885e25bab"></a><!-- doxytag: member="vtRoadMap::m_pFirstLink" ref="48b67309ff1f27069248d22885e25bab" args="" --><a class="el" href="classTLink.html">TLink</a> * </td><td class="memItemRight" valign="bottom"><b>m_pFirstLink</b></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="80077e9a0757e4bd3277bc91b22367ea"></a><!-- doxytag: member="vtRoadMap::m_pFirstNode" ref="80077e9a0757e4bd3277bc91b22367ea" args="" --><a class="el" href="classTNode.html">TNode</a> * </td><td class="memItemRight" valign="bottom"><b>m_pFirstNode</b></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c204c9122c1379abccb727d91179cc25"></a><!-- doxytag: member="vtRoadMap::m_proj" ref="c204c9122c1379abccb727d91179cc25" args="" --><a class="el" href="classvtProjection.html">vtProjection</a> </td><td class="memItemRight" valign="bottom"><b>m_proj</b></td></tr></table><hr><a name="_details"></a><h2>Detailed Description</h2>vtRoadMap contains a sets of nodes (<a class="el" href="classTNode.html">TNode</a>) and links (<a class="el" href="classTLink.html">TLink</a>) which define a transportation network.<p>It can be loaded and saved from RMF files, an ad-hoc Road Map Format which is overdue to be replaced by some clean, extensible standard for transportation networks. Unforunately, such a standard does not yet exist. <p><hr><h2>Member Function Documentation</h2><a class="anchor" name="ab002e236e92db9cd389210c669a6810"></a><!-- doxytag: member="vtRoadMap::FindNodeAtPoint" ref="ab002e236e92db9cd389210c669a6810" args="(const DPoint2 &point, double epsilon)" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"><a class="el" href="classTNode.html">TNode</a> * vtRoadMap::FindNodeAtPoint </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">const <a class="el" href="classDPoint2.html">DPoint2</a> & </td> <td class="mdname" nowrap> <em>point</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>double </td> <td class="mdname" nowrap> <em>epsilon</em></td> </tr> <tr> <td class="md"></td> <td class="md">) </td> <td class="md" colspan="2"></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Find the node closest to the indicated point. Ignore nodes more than epsilon units away from the point. </td> </tr></table><hr size="1"><address style="align: right;"><small>Generated on Mon Jan 14 14:40:55 2008 for vtdata library by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.5 </small></address></body></html>⌨️ 快捷键说明
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