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diff --git a/docs/doxygen/nel/a02968.html b/docs/doxygen/nel/a02968.html new file mode 100644 index 00000000..36112a69 --- /dev/null +++ b/docs/doxygen/nel/a02968.html @@ -0,0 +1,306 @@ +<!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>NeL: NL3D::CMRMSewingMesh class Reference</title> +<link href="doxygen.css" rel="stylesheet" type="text/css"> +</head><body> +<!-- Generated by Doxygen 1.3.6 --> +<div class="qindex"> <form class="search" action="search.php" method="get"> +<a class="qindex" href="main.html">Main Page</a> | <a class="qindex" href="namespaces.html">Namespace List</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="classes.html">Alphabetical List</a> | <a class="qindex" href="annotated.html">Data Structures</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="namespacemembers.html">Namespace Members</a> | <a class="qindex" href="functions.html">Data Fields</a> | <a class="qindex" href="globals.html">Globals</a> | <a class="qindex" href="pages.html">Related Pages</a> | <span class="search"><u>S</u>earch for <input class="search" type="text" name="query" value="" size="20" accesskey="s"/></span></form></div> +<h1>NL3D::CMRMSewingMesh Class Reference</h1><code>#include <<a class="el" href="a06058.html">mrm_internal.h</a>></code> +<p> +<hr><a name="_details"></a><h2>Detailed Description</h2> +An internal polygon with LOD information for Interface system +<p> + +<p> +Definition at line <a class="el" href="a06058.html#l00327">327</a> of file <a class="el" href="a06058.html">mrm_internal.h</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>void </td><td class="memItemRight" valign=bottom><a class="el" href="a02968.html#NL3D_1_1CMRMSewingMesha0">build</a> (const <a class="el" href="a02861.html">CMesh::CInterface</a> &meshInt, <a class="el" href="a04558.html#a15">uint</a> nWantedLods, <a class="el" href="a04558.html#a15">uint</a> divisor)</td></tr> + +<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a04558.html#a14">sint</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02968.html#NL3D_1_1CMRMSewingMesha1">getNumCollapseEdge</a> (<a class="el" href="a04558.html#a15">uint</a> lod) const </td></tr> + +<tr><td class="mdescLeft"> </td><td class="mdescRight">get the number of edge to collapse for a lod <a href="#NL3D_1_1CMRMSewingMesha1"></a><br><br></td></tr> +<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a04558.html#a14">sint</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02968.html#NL3D_1_1CMRMSewingMesha2">mustCollapseEdge</a> (<a class="el" href="a04558.html#a15">uint</a> lod, const <a class="el" href="a02955.html">CMRMEdge</a> &edge, <a class="el" href="a04558.html#a15">uint</a> &vertToCollapse) const </td></tr> + +<tr><td colspan=2><br><h2>Private Attributes</h2></td></tr> +<tr><td class="memItemLeft" nowrap align=right valign=top>std::vector< <a class="el" href="a02969.html">CLod</a> > </td><td class="memItemRight" valign=bottom><a class="el" href="a02968.html#NL3D_1_1CMRMSewingMeshr0">_Lods</a></td></tr> + +</table> +<hr><h2>Member Function Documentation</h2> +<a class="anchor" name="NL3D_1_1CMRMSewingMesha0" doxytag="NL3D::CMRMSewingMesh::build" ></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> void NL3D::CMRMSewingMesh::build </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top">const <a class="el" href="a02861.html">CMesh::CInterface</a> & </td> + <td class="mdname" nowrap> <em>meshInt</em>, </td> + </tr> + <tr> + <td class="md" nowrap align="right"></td> + <td></td> + <td class="md" nowrap><a class="el" href="a04558.html#a15">uint</a> </td> + <td class="mdname" nowrap> <em>nWantedLods</em>, </td> + </tr> + <tr> + <td class="md" nowrap align="right"></td> + <td></td> + <td class="md" nowrap><a class="el" href="a04558.html#a15">uint</a> </td> + <td class="mdname" nowrap> <em>divisor</em></td> + </tr> + <tr> + <td></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> +Build a MRM sewing mesh from a CMeshBuild interface. +<p> +Definition at line <a class="el" href="a06057.html#l00067">67</a> of file <a class="el" href="a06057.html">mrm_internal.cpp</a>. +<p> +References <a class="el" href="a06682.html#l00115">NLMISC::CVector::norm()</a>, <a class="el" href="a06682.html#l00119">NLMISC::CVector::normalize()</a>, <a class="el" href="a05981.html#l00104">sint</a>, <a class="el" href="a05981.html#l00105">uint</a>, and <a class="el" href="a05990.html#l00156">NL3D::CMesh::CInterface::Vertices</a>. +<p> +<div class="fragment"><pre>00068 { +00069 <span class="comment">/* The polygon is MRM-egde-like reduced (pop an edge when needed)</span> +00070 <span class="comment"> At each lod we store what edge is collapsed.</span> +00071 <span class="comment"> */</span> +00072 <a class="code" href="a02968.html#NL3D_1_1CMRMSewingMeshr0">_Lods</a>.clear(); +00073 <a class="code" href="a02968.html#NL3D_1_1CMRMSewingMeshr0">_Lods</a>.resize(nWantedLods); +00074 +00075 <span class="comment">// build edge list</span> +00076 std::vector<CMRMEdge> edgeList; +00077 <a class="code" href="a04558.html#a15">uint</a> nMaxEdges= meshInt.Vertices.size(); +00078 edgeList.resize(nMaxEdges); +00079 <span class="keywordflow">for</span>(<a class="code" href="a04558.html#a15">uint</a> i=0;i<nMaxEdges;i++) +00080 { +00081 edgeList[i].v0= i; +00082 edgeList[i].v1= (i+1)%nMaxEdges; +00083 } +00084 +00085 <span class="comment">// build how many edges the coarsest lod will have. At least 3 edge for a correct cross section</span> +00086 <a class="code" href="a04558.html#a14">sint</a> nBaseEdges= nMaxEdges/divisor; +00087 nBaseEdges=max(nBaseEdges,3); +00088 +00089 <span class="comment">// must fill all LODs, from end to start. do not proces last lod since it will be the coarsest mesh (no collapse)</span> +00090 <span class="keywordflow">for</span>(<a class="code" href="a04558.html#a15">uint</a> lod=nWantedLods-1;lod>0;lod--) +00091 { +00092 <span class="comment">// Linear.</span> +00093 <a class="code" href="a04558.html#a14">sint</a> nCurEdges= (<a class="code" href="a04558.html#a14">sint</a>)floor( 0.5f + nBaseEdges + (nMaxEdges-nBaseEdges) * (<span class="keywordtype">float</span>)(lod-1)/(nWantedLods-1) ); +00094 nCurEdges=max(nCurEdges,3); +00095 +00096 <span class="comment">// the current edge list is reduced until same size as wanted</span> +00097 <span class="keywordflow">while</span>(nCurEdges<(<a class="code" href="a04558.html#a14">sint</a>)edgeList.size()) +00098 { +00099 <span class="comment">// search the smallest edge</span> +00100 <span class="keywordtype">float</span> bestDist= FLT_MAX; +00101 <a class="code" href="a04558.html#a15">uint</a> bestEdgeId= 0; +00102 <span class="keywordflow">for</span>(<a class="code" href="a04558.html#a15">uint</a> j=0;j<edgeList.size();j++) +00103 { +00104 <a class="code" href="a04558.html#a15">uint</a> precEdgeId= (j + edgeList.size() -1) % edgeList.size(); +00105 CVector edgeDelta= (meshInt.Vertices[edgeList[j].v1].Pos - meshInt.Vertices[edgeList[j].v0].Pos); +00106 +00107 <span class="comment">// compute dist between 2 verts</span> +00108 <span class="keywordtype">float</span> dist= edgeDelta.norm(); +00109 +00110 <span class="comment">// compute dir of prec and cur edges</span> +00111 CVector curEdgeDir= edgeDelta; +00112 CVector precEdgeDir= (meshInt.Vertices[edgeList[precEdgeId].v1].Pos - meshInt.Vertices[edgeList[precEdgeId].v0].Pos); +00113 curEdgeDir.normalize(); +00114 precEdgeDir.normalize(); +00115 +00116 <span class="comment">// compute how linear they are from -1 to 1.</span> +00117 <span class="keywordtype">float</span> angularPart= curEdgeDir * precEdgeDir; +00118 +00119 <span class="comment">/* The more the edge is linear to the previous edge, the more we can collapse it.</span> +00120 <span class="comment"> If totaly linear (curEdgeDir*precEdgeDir==1), it should be a good idea to collapse it now.</span> +00121 <span class="comment"> But the fact is that this is an interface and we don't know what kind of mesh share those edges</span> +00122 <span class="comment"> (I mean it is possible that neighbors faces are absolutely not coplanar).</span> +00123 <span class="comment"> So don't add to much importance on Angular Part</span> +00124 <span class="comment"> */</span> +00125 <span class="keyword">const</span> <span class="keywordtype">float</span> angularBias= 1; <span class="comment">// if 0, 2 linear edges will collapse asap.</span> +00126 dist*= angularBias + 1-angularPart; +00127 +00128 <span class="comment">// take min dist</span> +00129 <span class="keywordflow">if</span>(dist<bestDist) +00130 { +00131 bestDist= dist; +00132 bestEdgeId= j; +00133 } +00134 } +00135 +00136 <span class="comment">// mark as remove it</span> +00137 <a class="code" href="a02968.html#NL3D_1_1CMRMSewingMeshr0">_Lods</a>[lod].EdgeToCollapse.push_back(edgeList[bestEdgeId]); +00138 <span class="comment">// changes vert ids of the prec edge. eg: edge(12) is deleted=> 01 12 23... becomes 02 23 (NB: 1 is collapsed to 2)</span> +00139 <a class="code" href="a04558.html#a15">uint</a> precEdgeId= (bestEdgeId+edgeList.size()-1)%edgeList.size(); +00140 edgeList[precEdgeId].v1= edgeList[bestEdgeId].v1; +00141 <span class="comment">// and erase the edge from the current list</span> +00142 edgeList.erase( edgeList.begin()+bestEdgeId ); +00143 } +00144 } +00145 +00146 } +</pre></div> </td> + </tr> +</table> +<a class="anchor" name="NL3D_1_1CMRMSewingMesha1" doxytag="NL3D::CMRMSewingMesh::getNumCollapseEdge" ></a><p> +<table class="mdTable" width="100%" 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="a04558.html#a14">sint</a> NL3D::CMRMSewingMesh::getNumCollapseEdge </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top"><a class="el" href="a04558.html#a15">uint</a> </td> + <td class="mdname1" valign="top" nowrap> <em>lod</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> +get the number of edge to collapse for a lod +<p> + +<p> +Definition at line <a class="el" href="a06057.html#l00059">59</a> of file <a class="el" href="a06057.html">mrm_internal.cpp</a>. +<p> +References <a class="el" href="a05622.html#l00290">nlassert</a>, <a class="el" href="a05981.html#l00104">sint</a>, and <a class="el" href="a05981.html#l00105">uint</a>. +<p> +Referenced by <a class="el" href="a06055.html#l00244">NL3D::CMRMBuilder::computeEdgeCost()</a>. +<p> +<div class="fragment"><pre>00060 { +00061 <a class="code" href="a04199.html#a6">nlassert</a>(lod<<a class="code" href="a02968.html#NL3D_1_1CMRMSewingMeshr0">_Lods</a>.size()); +00062 <span class="keywordflow">return</span> <a class="code" href="a02968.html#NL3D_1_1CMRMSewingMeshr0">_Lods</a>[lod].EdgeToCollapse.size(); +00063 } +</pre></div> </td> + </tr> +</table> +<a class="anchor" name="NL3D_1_1CMRMSewingMesha2" doxytag="NL3D::CMRMSewingMesh::mustCollapseEdge" ></a><p> +<table class="mdTable" width="100%" 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="a04558.html#a14">sint</a> NL3D::CMRMSewingMesh::mustCollapseEdge </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top"><a class="el" href="a04558.html#a15">uint</a> </td> + <td class="mdname" nowrap> <em>lod</em>, </td> + </tr> + <tr> + <td class="md" nowrap align="right"></td> + <td></td> + <td class="md" nowrap>const <a class="el" href="a02955.html">CMRMEdge</a> & </td> + <td class="mdname" nowrap> <em>edge</em>, </td> + </tr> + <tr> + <td class="md" nowrap align="right"></td> + <td></td> + <td class="md" nowrap><a class="el" href="a04558.html#a15">uint</a> & </td> + <td class="mdname" nowrap> <em>vertToCollapse</em></td> + </tr> + <tr> + <td></td> + <td class="md">) </td> + <td class="md" colspan="2"> const</td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +>=0 if the lod has this edge to collapse. -1 else. NB: order of collapse is returned. <dl compact><dt><b>Parameters:</b></dt><dd> + <table border="0" cellspacing="2" cellpadding="0"> + <tr><td valign=top><em>vertToCollapse</em> </td><td>is the vertex id which must be collapsed to the other (ie the one which moves/dissapear)</td></tr> + </table> +</dl> + +<p> +Definition at line <a class="el" href="a06057.html#l00041">41</a> of file <a class="el" href="a06057.html">mrm_internal.cpp</a>. +<p> +References <a class="el" href="a05622.html#l00290">nlassert</a>, <a class="el" href="a05981.html#l00104">sint</a>, and <a class="el" href="a05981.html#l00105">uint</a>. +<p> +Referenced by <a class="el" href="a06055.html#l00499">NL3D::CMRMBuilder::collapseEdge()</a>, and <a class="el" href="a06055.html#l00244">NL3D::CMRMBuilder::computeEdgeCost()</a>. +<p> +<div class="fragment"><pre>00042 { +00043 <a class="code" href="a04199.html#a6">nlassert</a>(lod<<a class="code" href="a02968.html#NL3D_1_1CMRMSewingMeshr0">_Lods</a>.size()); +00044 <span class="keywordflow">for</span>(<a class="code" href="a04558.html#a15">uint</a> i=0;i<<a class="code" href="a02968.html#NL3D_1_1CMRMSewingMeshr0">_Lods</a>[lod].EdgeToCollapse.size();i++) +00045 { +00046 <span class="keywordflow">if</span>(edge==_Lods[lod].EdgeToCollapse[i]) +00047 { +00048 <span class="comment">// the vertex which must be collapsed is v0.</span> +00049 vertToCollapse= _Lods[lod].EdgeToCollapse[i].v0; +00050 <span class="keywordflow">return</span> i; +00051 } +00052 } +00053 <span class="comment">// not found</span> +00054 <span class="keywordflow">return</span> -1; +00055 } +</pre></div> </td> + </tr> +</table> +<hr><h2>Field Documentation</h2> +<a class="anchor" name="NL3D_1_1CMRMSewingMeshr0" doxytag="NL3D::CMRMSewingMesh::_Lods" ></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> std::vector<<a class="el" href="a02969.html">CLod</a>> <a class="el" href="a02968.html#NL3D_1_1CMRMSewingMeshr0">NL3D::CMRMSewingMesh::_Lods</a><code> [private]</code> + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> + +<p> +Definition at line <a class="el" href="a06058.html#l00336">336</a> of file <a class="el" href="a06058.html">mrm_internal.h</a>. </td> + </tr> +</table> +<hr>The documentation for this class was generated from the following files:<ul> +<li><a class="el" href="a06058.html">mrm_internal.h</a><li><a class="el" href="a06057.html">mrm_internal.cpp</a></ul> +<hr size="1"><address style="align: right;"><small>Generated on Tue Mar 16 06:57:06 2004 for NeL by +<a href="http://www.doxygen.org/index.html"> +<img src="doxygen.png" alt="doxygen" align="middle" border=0 > +</a>1.3.6 </small></address> +</body> +</html> |