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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>vtlib library: vtGeom 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><a href="modules.html"><span>Modules</span></a></li> <li id="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a href="dirs.html"><span>Directories</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>vtGeom Class Reference<br><small>[<a class="el" href="group__sg.html">Scene Graph</a>]</small></h1><!-- doxytag: class="vtGeom" --><!-- doxytag: inherits="vtNode" -->Inheritance diagram for vtGeom:<p><center><img src="classvtGeom__inherit__graph.png" border="0" usemap="#vtGeom__inherit__map" alt="Inheritance graph"></center><map name="vtGeom__inherit__map"><area href="classvtDynGeom.html" shape="rect" coords="343,305,436,332" alt=""><area href="classvtNode.html" shape="rect" coords="357,156,421,183" alt=""><area href="classvtNodeBase.html" shape="rect" coords="343,81,436,108" alt=""><area href="classvtTarget.html" shape="rect" coords="355,7,424,33" alt=""><area href="classvtDynTerrainGeom.html" shape="rect" coords="253,380,387,407" alt=""><area href="classvtTiledGeom.html" shape="rect" coords="411,380,509,407" alt=""><area href="classCustomTerrain.html" shape="rect" coords="7,455,116,481" alt=""><area href="classDemeterTerrain.html" shape="rect" coords="140,455,255,481" alt=""><area href="classSMTerrain.html" shape="rect" coords="279,455,361,481" alt=""><area href="classSRTerrain.html" shape="rect" coords="385,455,465,481" alt=""><area href="classTVTerrain.html" shape="rect" coords="489,455,569,481" alt=""></map><center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="classvtGeom-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>The vtGeom class represents a Geometry Node which can contain any number of visible <a class="el" href="classvtMesh.html">vtMesh</a> objects. <dl compact><dt><b></b></dt><dd>A vtGeom also manages a set of Materials (<a class="el" href="classvtMaterial.html">vtMaterial</a>). Each contained mesh is assigned one of these materials, by index. </dd></dl><dl compact><dt><b></b></dt><dd>This separation (Group/Mesh) provides the useful ability to define a <a class="el" href="classvtMesh.html">vtMesh</a> once in memory, and have multiple vtGeom nodes which contain it, which permits a large number of visual instances (each with potentially different material and transform) with very little memory cost. </dd></dl><p><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">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classvtGeom.html#c47952fcdc74de6e2d4a93c467232087">Release</a> ()</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classvtGeom.html#738c12b93d3a44da27762610ddc0287d">AddMesh</a> (<a class="el" href="classvtMesh.html">vtMesh</a> *pMesh, int iMatIdx)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classvtGeom.html#63dc7c22c89843f472c77a158c0fa3ab">RemoveMesh</a> (<a class="el" href="classvtMesh.html">vtMesh</a> *pMesh)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classvtGeom.html#2c635820f346657e8eae661782deeb73">AddTextMesh</a> (<a class="el" href="classvtTextMesh.html">vtTextMesh</a> *pMesh, int iMatIdx)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="classvtGeom.html#481703f00008d17f88de83b853967926">GetNumMeshes</a> () const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classvtMesh.html">vtMesh</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classvtGeom.html#2ea7f43c7687ef1ef3913d2840294e57">GetMesh</a> (int i) const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classvtTextMesh.html">vtTextMesh</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classvtGeom.html#f980d260e8e5d7b6705a4151b9e4fafb">GetTextMesh</a> (int i) const </td></tr></table><hr><h2>Member Function Documentation</h2><a class="anchor" name="738c12b93d3a44da27762610ddc0287d"></a><!-- doxytag: member="vtGeom::AddMesh" ref="738c12b93d3a44da27762610ddc0287d" args="(vtMesh *pMesh, int iMatIdx)" --><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">void vtGeom::AddMesh </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top"><a class="el" href="classvtMesh.html">vtMesh</a> * </td> <td class="mdname" nowrap> <em>pMesh</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>int </td> <td class="mdname" nowrap> <em>iMatIdx</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>Add a mesh to this geometry. <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>pMesh</em> </td><td>The mesh to add </td></tr> <tr><td valign="top"></td><td valign="top"><em>iMatIdx</em> </td><td>The material index for this mesh, which is an index into the material array of the geometry. </td></tr> </table></dl> </td> </tr></table><a class="anchor" name="2c635820f346657e8eae661782deeb73"></a><!-- doxytag: member="vtGeom::AddTextMesh" ref="2c635820f346657e8eae661782deeb73" args="(vtTextMesh *pMesh, int iMatIdx)" --><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">void vtGeom::AddTextMesh </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top"><a class="el" href="classvtTextMesh.html">vtTextMesh</a> * </td> <td class="mdname" nowrap> <em>pMesh</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>int </td> <td class="mdname" nowrap> <em>iMatIdx</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>Add a text mesh to this geometry. <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>pMesh</em> </td><td>The mesh to add </td></tr> <tr><td valign="top"></td><td valign="top"><em>iMatIdx</em> </td><td>The material index for this mesh, which is an index into the material array of the geometry. </td></tr> </table></dl> </td> </tr></table><a class="anchor" name="2ea7f43c7687ef1ef3913d2840294e57"></a><!-- doxytag: member="vtGeom::GetMesh" ref="2ea7f43c7687ef1ef3913d2840294e57" args="(int i) const " --><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="classvtMesh.html">vtMesh</a> * vtGeom::GetMesh </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">int </td> <td class="mdname1" valign="top" nowrap> <em>i</em> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap> const</td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Return a contained <a class="el" href="classvtMesh.html">vtMesh</a> by index. </td> </tr></table><a class="anchor" name="481703f00008d17f88de83b853967926"></a><!-- doxytag: member="vtGeom::GetNumMeshes" ref="481703f00008d17f88de83b853967926" args="() const " --><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">unsigned int vtGeom::GetNumMeshes </td> <td class="md" valign="top">( </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap> const</td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Return the number of contained meshes. </td> </tr></table><a class="anchor" name="f980d260e8e5d7b6705a4151b9e4fafb"></a><!-- doxytag: member="vtGeom::GetTextMesh" ref="f980d260e8e5d7b6705a4151b9e4fafb" args="(int i) const " --><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="classvtTextMesh.html">vtTextMesh</a> * vtGeom::GetTextMesh </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">int </td> <td class="mdname1" valign="top" nowrap> <em>i</em> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap> const</td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Return a contained <a class="el" href="classvtTextMesh.html">vtTextMesh</a> by index. </td> </tr></table><a class="anchor" name="c47952fcdc74de6e2d4a93c467232087"></a><!-- doxytag: member="vtGeom::Release" ref="c47952fcdc74de6e2d4a93c467232087" args="()" --><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">void vtGeom::Release </td> <td class="md" valign="top">( </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap><code> [virtual]</code></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Releases a node. Use this method instead of C++'s delete operator when you are done with a node. Internally, the node is reference counted so it is not deleted until all references to it are removed. <p>Reimplemented from <a class="el" href="classvtNode.html#c47952fcdc74de6e2d4a93c467232087">vtNode</a>. </td> </tr></table><a class="anchor" name="63dc7c22c89843f472c77a158c0fa3ab"></a><!-- doxytag: member="vtGeom::RemoveMesh" ref="63dc7c22c89843f472c77a158c0fa3ab" args="(vtMesh *pMesh)" --><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">void vtGeom::RemoveMesh </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top"><a class="el" href="classvtMesh.html">vtMesh</a> * </td> <td class="mdname1" valign="top" nowrap> <em>pMesh</em> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Remove a mesh from the geomtry. Has no effect if the mesh is not currently contained. </td> </tr></table><hr size="1"><address style="align: right;"><small>Generated on Mon Jan 14 14:41:00 2008 for vtlib 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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