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<h1>dox/Filtering/vtkLine.h</h1><a href="a02302.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*=========================================================================</span>
<a name="l00002"></a>00002 <span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment">  Program:   Visualization Toolkit</span>
<a name="l00004"></a>00004 <span class="comment">  Module:    $RCSfile: vtkLine.h,v $</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment">  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen</span>
<a name="l00007"></a>00007 <span class="comment">  All rights reserved.</span>
<a name="l00008"></a>00008 <span class="comment">  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment">     This software is distributed WITHOUT ANY WARRANTY; without even</span>
<a name="l00011"></a>00011 <span class="comment">     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR</span>
<a name="l00012"></a>00012 <span class="comment">     PURPOSE.  See the above copyright notice for more information.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment">=========================================================================*/</span>
<a name="l00024"></a>00024 <span class="preprocessor">#ifndef __vtkLine_h</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#define __vtkLine_h</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="a02203.html">vtkCell.h</a>"</span>
<a name="l00028"></a>00028 
<a name="l00029"></a><a class="code" href="a00960.html">00029</a> <span class="keyword">class </span><a class="code" href="a02170.html#95ced7977a6b6b1bf9f38bf04e3835b6">VTK_FILTERING_EXPORT</a> <a class="code" href="a00960.html" title="cell represents a 1D line">vtkLine</a> : <span class="keyword">public</span> <a class="code" href="a00240.html" title="abstract class to specify cell behavior">vtkCell</a>
<a name="l00030"></a>00030 {
<a name="l00031"></a>00031 <span class="keyword">public</span>:
<a name="l00032"></a>00032   <span class="keyword">static</span> <a class="code" href="a00960.html" title="cell represents a 1D line">vtkLine</a> *<a class="code" href="a01084.html#4d5b227267c076d6f9e38483370b6612">New</a>();
<a name="l00033"></a><a class="code" href="a00960.html#cda77de8535b8b876553be2110d88ad3">00033</a>   vtkTypeRevisionMacro(<a class="code" href="a00960.html" title="cell represents a 1D line">vtkLine</a>,<a class="code" href="a00240.html" title="abstract class to specify cell behavior">vtkCell</a>);
<a name="l00034"></a>00034   <span class="keywordtype">void</span> <a class="code" href="a00240.html#7d667f735a985f378632818be5f7d924">PrintSelf</a>(ostream&amp; os, <a class="code" href="a00869.html" title="a simple class to control print indentation">vtkIndent</a> indent);
<a name="l00035"></a>00035 
<a name="l00037"></a>00037 
<a name="l00038"></a><a class="code" href="a00960.html#279290f375e26fbba75443f2cf8c29f1">00038</a>   <span class="keywordtype">int</span> <a class="code" href="a00240.html#73c9383a1d9214b55886586c8d894e82">GetCellType</a>() {<span class="keywordflow">return</span> <a class="code" href="a02209.html#b1d6fd1f3177b8a2a32bb018807151f852b8e3f5a3b009dbac0daf8bd6d96ee4">VTK_LINE</a>;};
<a name="l00039"></a><a class="code" href="a00960.html#abade42952857b895444db004898f7fb">00039</a>   <span class="keywordtype">int</span> <a class="code" href="a00240.html#422bd7bceb55b0c71245c4d772a0673b">GetCellDimension</a>() {<span class="keywordflow">return</span> 1;};
<a name="l00040"></a><a class="code" href="a00960.html#2942150077ff18b722919be241fdea09">00040</a>   <span class="keywordtype">int</span> <a class="code" href="a00240.html#119b5ad62e598c8c81acf5c8215371c7">GetNumberOfEdges</a>() {<span class="keywordflow">return</span> 0;};
<a name="l00041"></a><a class="code" href="a00960.html#0185a1b0d25619298ae98d073e8628ce">00041</a>   <span class="keywordtype">int</span> <a class="code" href="a00240.html#49cffa6eb0e087f1e53ddf6ac1016a59">GetNumberOfFaces</a>() {<span class="keywordflow">return</span> 0;};
<a name="l00042"></a><a class="code" href="a00960.html#5ac55e410051399db6e0e4bf4385db9d">00042</a>   <a class="code" href="a00240.html" title="abstract class to specify cell behavior">vtkCell</a> *<a class="code" href="a00240.html#0a483b81bca4b9509ea13837133ca91f">GetEdge</a>(<span class="keywordtype">int</span>) {<span class="keywordflow">return</span> 0;};
<a name="l00043"></a><a class="code" href="a00960.html#7d5f62e338f1a21b08d9930b74516aae">00043</a>   <a class="code" href="a00240.html" title="abstract class to specify cell behavior">vtkCell</a> *<a class="code" href="a00240.html#11b6ba66e9f7e193b204d478379e32ea">GetFace</a>(<span class="keywordtype">int</span>) {<span class="keywordflow">return</span> 0;};
<a name="l00044"></a>00044   <span class="keywordtype">int</span> <a class="code" href="a00240.html#bba3e9aee8d232137a3f5e846973d3b7">CellBoundary</a>(<span class="keywordtype">int</span> subId, <span class="keywordtype">double</span> pcoords[3], <a class="code" href="a00720.html" title="list of point or cell ids">vtkIdList</a> *pts);
<a name="l00045"></a>00045   <span class="keywordtype">void</span> <a class="code" href="a00240.html#941d585f7ede657219f6d3c9f1acd4d0">Contour</a>(<span class="keywordtype">double</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d2106bf5e5151797630e91167caab3f22b9a">value</a>, <a class="code" href="a00356.html" title="abstract superclass for arrays of numeric data">vtkDataArray</a> *cellScalars,
<a name="l00046"></a>00046                <a class="code" href="a01247.html" title="quickly locate points in 3-space">vtkPointLocator</a> *locator, <a class="code" href="a00242.html" title="object to represent cell connectivity">vtkCellArray</a> *verts,
<a name="l00047"></a>00047                <a class="code" href="a00242.html" title="object to represent cell connectivity">vtkCellArray</a> *lines, <a class="code" href="a00242.html" title="object to represent cell connectivity">vtkCellArray</a> *polys,
<a name="l00048"></a>00048                <a class="code" href="a01242.html" title="represent and manipulate point attribute data">vtkPointData</a> *inPd, <a class="code" href="a01242.html" title="represent and manipulate point attribute data">vtkPointData</a> *outPd,
<a name="l00049"></a>00049                <a class="code" href="a00245.html" title="represent and manipulate cell attribute data">vtkCellData</a> *inCd, <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> cellId, <a class="code" href="a00245.html" title="represent and manipulate cell attribute data">vtkCellData</a> *outCd);
<a name="l00050"></a>00050   <span class="keywordtype">int</span> <a class="code" href="a00240.html#463203095c011df36980b4677e8825b0">EvaluatePosition</a>(<span class="keywordtype">double</span> x[3], <span class="keywordtype">double</span>* closestPoint,
<a name="l00051"></a>00051                        <span class="keywordtype">int</span>&amp; subId, <span class="keywordtype">double</span> pcoords[3],
<a name="l00052"></a>00052                        <span class="keywordtype">double</span>&amp; dist2, <span class="keywordtype">double</span> *weights);
<a name="l00053"></a>00053   <span class="keywordtype">void</span> <a class="code" href="a00240.html#3c6627f0a1b6e2e76b058c407c72eadf">EvaluateLocation</a>(<span class="keywordtype">int</span>&amp; subId, <span class="keywordtype">double</span> pcoords[3], <span class="keywordtype">double</span> x[3],
<a name="l00054"></a>00054                         <span class="keywordtype">double</span> *weights);
<a name="l00055"></a>00055   <span class="keywordtype">int</span> <a class="code" href="a00240.html#fece9607d75536910a3d0b154383d641">Triangulate</a>(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210e519c5019582479480124c44722a451f">index</a>, <a class="code" href="a00720.html" title="list of point or cell ids">vtkIdList</a> *ptIds, <a class="code" href="a01250.html" title="represent and manipulate 3D points">vtkPoints</a> *pts);
<a name="l00056"></a>00056   <span class="keywordtype">void</span> <a class="code" href="a00240.html#ff3d8332e9d7d556a9d2e9f91173d068">Derivatives</a>(<span class="keywordtype">int</span> subId, <span class="keywordtype">double</span> pcoords[3], <span class="keywordtype">double</span> *values,
<a name="l00057"></a>00057                    <span class="keywordtype">int</span> dim, <span class="keywordtype">double</span> *derivs);
<a name="l00058"></a>00058   <span class="keyword">virtual</span> <span class="keywordtype">double</span> *<a class="code" href="a00240.html#a8f46a75c99a0ef318af1c4cd88097f1">GetParametricCoords</a>();
<a name="l00060"></a>00060 
<a name="l00062"></a>00062 
<a name="l00064"></a>00064   <span class="keywordtype">void</span> <a class="code" href="a00240.html#d6fc087f2f7305a236b12343a1406f84">Clip</a>(<span class="keywordtype">double</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d2106bf5e5151797630e91167caab3f22b9a">value</a>, <a class="code" href="a00356.html" title="abstract superclass for arrays of numeric data">vtkDataArray</a> *cellScalars,
<a name="l00065"></a>00065             <a class="code" href="a01247.html" title="quickly locate points in 3-space">vtkPointLocator</a> *locator, <a class="code" href="a00242.html" title="object to represent cell connectivity">vtkCellArray</a> *lines,
<a name="l00066"></a>00066             <a class="code" href="a01242.html" title="represent and manipulate point attribute data">vtkPointData</a> *inPd, <a class="code" href="a01242.html" title="represent and manipulate point attribute data">vtkPointData</a> *outPd,
<a name="l00067"></a>00067             <a class="code" href="a00245.html" title="represent and manipulate cell attribute data">vtkCellData</a> *inCd, <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> cellId, <a class="code" href="a00245.html" title="represent and manipulate cell attribute data">vtkCellData</a> *outCd,
<a name="l00068"></a>00068             <span class="keywordtype">int</span> insideOut);
<a name="l00070"></a>00070 
<a name="l00072"></a>00072   <span class="keywordtype">int</span> <a class="code" href="a00240.html#e6d79848c5b56865eadac6bebbe723a1">GetParametricCenter</a>(<span class="keywordtype">double</span> pcoords[3]);
<a name="l00073"></a>00073 
<a name="l00075"></a>00075 
<a name="l00077"></a>00077   <span class="keywordtype">int</span> <a class="code" href="a00240.html#5a577034bc7a364304689dd016c57467">IntersectWithLine</a>(<span class="keywordtype">double</span> p1[3], <span class="keywordtype">double</span> p2[3], <span class="keywordtype">double</span> tol, <span class="keywordtype">double</span>&amp; t,
<a name="l00078"></a>00078                         <span class="keywordtype">double</span> x[3], <span class="keywordtype">double</span> pcoords[3], <span class="keywordtype">int</span>&amp; subId);
<a name="l00080"></a>00080 
<a name="l00081"></a>00081 
<a name="l00083"></a>00083 
<a name="l00088"></a>00088   <span class="keyword">static</span> <span class="keywordtype">int</span> Intersection(<span class="keywordtype">double</span> p1[3], <span class="keywordtype">double</span> p2[3],
<a name="l00089"></a>00089                           <span class="keywordtype">double</span> x1[3], <span class="keywordtype">double</span> x2[3],
<a name="l00090"></a>00090                           <span class="keywordtype">double</span>&amp; u, <span class="keywordtype">double</span>&amp; v);
<a name="l00092"></a>00092 
<a name="l00093"></a>00093 
<a name="l00095"></a>00095 
<a name="l00101"></a>00101   <span class="keyword">static</span> <span class="keywordtype">double</span> DistanceToLine(<span class="keywordtype">double</span> x[3], <span class="keywordtype">double</span> p1[3], <span class="keywordtype">double</span> p2[3],
<a name="l00102"></a>00102                               <span class="keywordtype">double</span> &amp;t, <span class="keywordtype">double</span> closestPoint[3]);
<a name="l00104"></a>00104 
<a name="l00105"></a>00105 
<a name="l00109"></a>00109   <span class="keyword">static</span> <span class="keywordtype">double</span> DistanceToLine(<span class="keywordtype">double</span> x[3], <span class="keywordtype">double</span> p1[3], <span class="keywordtype">double</span> p2[3]);
<a name="l00110"></a>00110 
<a name="l00112"></a>00112 
<a name="l00118"></a>00118   <span class="keyword">static</span> <span class="keywordtype">double</span> DistanceBetweenLines(
<a name="l00119"></a>00119                 <span class="keywordtype">double</span> l0[3], <span class="keywordtype">double</span> l1[3], 
<a name="l00120"></a>00120                 <span class="keywordtype">double</span> m0[3], <span class="keywordtype">double</span> m1[3],
<a name="l00121"></a>00121                 <span class="keywordtype">double</span> closestPt1[3], <span class="keywordtype">double</span> closestPt2[3],
<a name="l00122"></a>00122                 <span class="keywordtype">double</span> &amp;t1, <span class="keywordtype">double</span> &amp;t2 );
<a name="l00124"></a>00124 
<a name="l00126"></a>00126 
<a name="l00132"></a>00132   <span class="keyword">static</span> <span class="keywordtype">double</span> DistanceBetweenLineSegments(
<a name="l00133"></a>00133                 <span class="keywordtype">double</span> l0[3], <span class="keywordtype">double</span> l1[3], 
<a name="l00134"></a>00134                 <span class="keywordtype">double</span> m0[3], <span class="keywordtype">double</span> m1[3],
<a name="l00135"></a>00135                 <span class="keywordtype">double</span> closestPt1[3], <span class="keywordtype">double</span> closestPt2[3],
<a name="l00136"></a>00136                 <span class="keywordtype">double</span> &amp;t1, <span class="keywordtype">double</span> &amp;t2 );
<a name="l00138"></a>00138   
<a name="l00140"></a>00140 
<a name="l00141"></a>00141   <span class="keyword">static</span> <span class="keywordtype">void</span> InterpolationFunctions(<span class="keywordtype">double</span> pcoords[3], <span class="keywordtype">double</span> weights[2]);
<a name="l00142"></a>00142   <span class="comment">// Description:</span>
<a name="l00143"></a>00143   <span class="comment">// @deprecated Replaced by vtkLine::InterpolateDerivs as of VTK 5.2</span>
<a name="l00144"></a>00144   <span class="keyword">static</span> <span class="keywordtype">void</span> InterpolationDerivs(<span class="keywordtype">double</span> pcoords[3], <span class="keywordtype">double</span> derivs[2]);
<a name="l00145"></a>00145   <span class="comment">// Description:</span>
<a name="l00146"></a>00146   <span class="comment">// Compute the interpolation functions/derivatives</span>
<a name="l00147"></a>00147   <span class="comment">// (aka shape functions/derivatives)</span>
<a name="l00148"></a><a class="code" href="a00960.html#7fd64d8b09923e666abed00f0b4503b4">00148</a>   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="a00240.html#8511c354198e20220fc12babbeadb93a">InterpolateFunctions</a>(<span class="keywordtype">double</span> pcoords[3], <span class="keywordtype">double</span> weights[2])
<a name="l00149"></a>00149     {
<a name="l00150"></a>00150     <a class="code" href="a00960.html#26c729c6fc66e9e70697a994f8bcd88a">vtkLine::InterpolationFunctions</a>(pcoords,weights);
<a name="l00151"></a>00151     }
<a name="l00152"></a><a class="code" href="a00960.html#d6f42396984fcf73a6ac4699d67804b3">00152</a>   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="a00240.html#a09bb50666972c5cfff07f1aca3e161f">InterpolateDerivs</a>(<span class="keywordtype">double</span> pcoords[3], <span class="keywordtype">double</span> derivs[2])
<a name="l00153"></a>00153     {
<a name="l00154"></a>00154     <a class="code" href="a00960.html#865b9e35f1486baf578f806656ca0c8c">vtkLine::InterpolationDerivs</a>(pcoords,derivs);
<a name="l00155"></a>00155     }
<a name="l00157"></a>00157 
<a name="l00158"></a>00158 <span class="keyword">protected</span>:
<a name="l00159"></a>00159   <a class="code" href="a00960.html" title="cell represents a 1D line">vtkLine</a>();
<a name="l00160"></a><a class="code" href="a00960.html#0d37408e71bb22bfbc05c6dc4d01ce83">00160</a>   ~<a class="code" href="a00960.html" title="cell represents a 1D line">vtkLine</a>() {};
<a name="l00161"></a>00161 
<a name="l00162"></a>00162 <span class="keyword">private</span>:
<a name="l00163"></a>00163   <a class="code" href="a00960.html" title="cell represents a 1D line">vtkLine</a>(<span class="keyword">const</span> <a class="code" href="a00960.html" title="cell represents a 1D line">vtkLine</a>&amp;);  <span class="comment">// Not implemented.</span>
<a name="l00164"></a>00164   <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> <a class="code" href="a00960.html" title="cell represents a 1D line">vtkLine</a>&amp;);  <span class="comment">// Not implemented.</span>
<a name="l00165"></a>00165 };
<a name="l00166"></a>00166 
<a name="l00167"></a>00167 <span class="comment">//----------------------------------------------------------------------------</span>
<a name="l00168"></a><a class="code" href="a00960.html#25beefed68660d0627a638206ade26a6">00168</a> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="a00960.html#25beefed68660d0627a638206ade26a6">vtkLine::GetParametricCenter</a>(<span class="keywordtype">double</span> pcoords[3])
<a name="l00169"></a>00169 {
<a name="l00170"></a>00170   pcoords[0] = 0.5;
<a name="l00171"></a>00171   pcoords[1] = pcoords[2] = 0.0;
<a name="l00172"></a>00172   <span class="keywordflow">return</span> 0;
<a name="l00173"></a>00173 }
<a name="l00174"></a>00174 
<a name="l00175"></a>00175 <span class="preprocessor">#endif</span>
<a name="l00176"></a>00176 <span class="preprocessor"></span>
<a name="l00177"></a>00177 
</pre></div></div>
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