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<h1>dox/Rendering/vtkLabelPlacer.h</h1><a href="a03446.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: vtkLabelPlacer.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="l00015"></a>00015 <span class="comment">/*-------------------------------------------------------------------------</span>
<a name="l00016"></a>00016 <span class="comment">  Copyright 2008 Sandia Corporation.</span>
<a name="l00017"></a>00017 <span class="comment">  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,</span>
<a name="l00018"></a>00018 <span class="comment">  the U.S. Government retains certain rights in this software.</span>
<a name="l00019"></a>00019 <span class="comment">-------------------------------------------------------------------------*/</span>
<a name="l00041"></a>00041 <span class="preprocessor">#ifndef __vtkLabelPlacer_h</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span><span class="preprocessor">#define __vtkLabelPlacer_h</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span>
<a name="l00044"></a>00044 <span class="preprocessor">#include "<a class="code" href="a02331.html">vtkPolyDataAlgorithm.h</a>"</span>
<a name="l00045"></a>00045 
<a name="l00046"></a>00046 <span class="keyword">class </span><a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a>;
<a name="l00047"></a>00047 <span class="keyword">class </span><a class="code" href="a00335.html" title="perform coordinate transformation, and represent position, in a variety of vtk coordinate...">vtkCoordinate</a>;
<a name="l00048"></a>00048 
<a name="l00049"></a><a class="code" href="a00946.html">00049</a> <span class="keyword">class </span><a class="code" href="a02170.html#4019f67b2e7d601f2cf984e448308dbb">VTK_RENDERING_EXPORT</a> <a class="code" href="a00946.html" title="place a prioritized hierarchy of labels in screen space">vtkLabelPlacer</a> : <span class="keyword">public</span> <a class="code" href="a01261.html" title="Superclass for algorithms that produce only polydata as output.">vtkPolyDataAlgorithm</a>
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 <span class="keyword">public</span>:
<a name="l00052"></a>00052   <span class="keyword">static</span> <a class="code" href="a00946.html" title="place a prioritized hierarchy of labels in screen space">vtkLabelPlacer</a>* <a class="code" href="a01261.html#cf785ac526132296ff652c636f713b5e">New</a>();
<a name="l00053"></a><a class="code" href="a00946.html#18f4cea45eaa48bde526170f91e8f49e">00053</a>   vtkTypeRevisionMacro(<a class="code" href="a00946.html" title="place a prioritized hierarchy of labels in screen space">vtkLabelPlacer</a>,<a class="code" href="a01261.html" title="Superclass for algorithms that produce only polydata as output.">vtkPolyDataAlgorithm</a>);
<a name="l00054"></a>00054   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="a01261.html#e6d59a63261b0c56f8f473984ae0e1b6">PrintSelf</a>( ostream&amp; os, <a class="code" href="a00869.html" title="a simple class to control print indentation">vtkIndent</a> indent );
<a name="l00055"></a>00055 
<a name="l00056"></a>00056   vtkGetObjectMacro(Renderer,<a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a>);
<a name="l00057"></a>00057   <span class="keyword">virtual</span> <span class="keywordtype">void</span> SetRenderer( <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a>* );
<a name="l00058"></a>00058 
<a name="l00059"></a>00059   vtkGetObjectMacro(AnchorTransform,<a class="code" href="a00335.html" title="perform coordinate transformation, and represent position, in a variety of vtk coordinate...">vtkCoordinate</a>);
<a name="l00060"></a>00060 
<a name="l00061"></a>00061   <span class="comment">//BTX</span>
<a name="l00063"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f2">00063</a> <span class="comment"></span>  <span class="keyword">enum</span> <a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f2" title="Specifications for the placement of the label relative to an anchor point.">LabelGravity</a>
<a name="l00064"></a>00064     {
<a name="l00065"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f2cfff75b45bba92e2b39cc53393286523">00065</a>     VerticalBottomBit   = 1,
<a name="l00066"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f2e25d04518fe567930c48b685522e6113">00066</a>     VerticalBaselineBit = 2,
<a name="l00067"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f2b22490d2454b414960905d5f38985432">00067</a>     VerticalCenterBit   = 4,
<a name="l00068"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f2be0e403b6cc30f7483ee304b86294f62">00068</a>     VerticalTopBit      = 8,
<a name="l00069"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f27d1426ecbf0270f4323ba1809ad5a003">00069</a>     HorizontalLeftBit   = 16,
<a name="l00070"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f2f468dd779d27ba994e40d83d56ad36cf">00070</a>     HorizontalCenterBit = 32,
<a name="l00071"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f2a10b2aa80e296f6cb28f68e676c59bc8">00071</a>     HorizontalRightBit  = 64,
<a name="l00072"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f21e8212ceb1f1f774fcc5c013b41039ce">00072</a>     VerticalBitMask     = 15,
<a name="l00073"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f21e7cf1c8c4aa7b51e6c716080da62e7a">00073</a>     HorizontalBitMask   = 112,
<a name="l00074"></a>00074 
<a name="l00075"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f2336fabdc7474a019a3ef064d0f38829d">00075</a>     LowerLeft=17,      
<a name="l00076"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f294452b4343c18893698fde7459ed1fb1">00076</a>     LowerCenter=33,    
<a name="l00077"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f24839b62b75c0614668233d27a38b0785">00077</a>     LowerRight=65,     
<a name="l00078"></a>00078 
<a name="l00079"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f2506d97df9a7c303f58ad4062269336bd">00079</a>     BaselineLeft=18,   
<a name="l00080"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f231c934dd868296b4314593135271b14a">00080</a>     BaselineCenter=34, 
<a name="l00081"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f2ea5924963d96ae0ce680ec904bb08d2b">00081</a>     BaselineRight=66,  
<a name="l00082"></a>00082 
<a name="l00083"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f22bda8bc7fe46bc685adb5ecb1e2c92fc">00083</a>     CenterLeft=20,     
<a name="l00084"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f2cd1d6ae51cfdbc7e14c6696204c63a5f">00084</a>     CenterCenter=36,   
<a name="l00085"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f2bad8ae3805a7714f64d90e984c549fd7">00085</a>     CenterRight=68,    
<a name="l00086"></a>00086 
<a name="l00087"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f2792d4360d8895491b1bd61f4f582160b">00087</a>     UpperLeft=24,      
<a name="l00088"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f2e77511ae2fa3682402633ece4a91f19f">00088</a>     UpperCenter=40,    
<a name="l00089"></a><a class="code" href="a00946.html#600e4ccbee722ea6f9cef987f00ca8f2d05e4a92fc20b79ff97e5df1b804a273">00089</a>     UpperRight=72      
<a name="l00090"></a>00090     };
<a name="l00091"></a>00091 
<a name="l00093"></a><a class="code" href="a00946.html#b592ac09e13a9168b9f791b96e4fa5fe">00093</a>   <span class="keyword">enum</span> <a class="code" href="a00946.html#b592ac09e13a9168b9f791b96e4fa5fe" title="Coordinate systems that output dataset may use.">OutputCoordinates</a>
<a name="l00094"></a>00094     {
<a name="l00095"></a><a class="code" href="a00946.html#b592ac09e13a9168b9f791b96e4fa5febac3f11ed421ed3e2db9cee36daa39fe">00095</a>     WORLD=0,           
<a name="l00096"></a><a class="code" href="a00946.html#b592ac09e13a9168b9f791b96e4fa5fe8ffd0f5e33b5798c0814756a8ea4fcd3">00096</a>     DISPLAY=1          
<a name="l00097"></a>00097     };
<a name="l00098"></a>00098   <span class="comment">//ETX</span>
<a name="l00099"></a>00099 
<a name="l00100"></a>00100   <span class="keyword">virtual</span> <span class="keywordtype">void</span> SetGravity( <span class="keywordtype">int</span> gravity );
<a name="l00101"></a>00101   vtkGetMacro(Gravity,<span class="keywordtype">int</span>);
<a name="l00102"></a>00102 
<a name="l00103"></a>00103   vtkSetClampMacro(MaximumLabelFraction,<span class="keywordtype">double</span>,0.,1.);
<a name="l00104"></a>00104   vtkGetMacro(MaximumLabelFraction,<span class="keywordtype">double</span>);
<a name="l00105"></a>00105 
<a name="l00107"></a>00107 
<a name="l00109"></a>00109   vtkSetMacro(IteratorType,<span class="keywordtype">int</span>);
<a name="l00110"></a>00110   vtkGetMacro(IteratorType,<span class="keywordtype">int</span>);
<a name="l00112"></a>00112 
<a name="l00113"></a>00113   <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="a01084.html#8137c0551b29bb996f0dd2f886bcd2da">GetMTime</a>();
<a name="l00114"></a>00114 
<a name="l00116"></a>00116 
<a name="l00120"></a>00120   vtkGetMacro(PositionsAsNormals,<span class="keywordtype">bool</span>);
<a name="l00121"></a>00121   vtkSetMacro(PositionsAsNormals,<span class="keywordtype">bool</span>);
<a name="l00122"></a>00122   vtkBooleanMacro(PositionsAsNormals,<span class="keywordtype">bool</span>);
<a name="l00124"></a>00124 
<a name="l00126"></a>00126 
<a name="l00128"></a>00128   vtkGetMacro(GeneratePerturbedLabelSpokes,<span class="keywordtype">bool</span>);
<a name="l00129"></a>00129   vtkSetMacro(GeneratePerturbedLabelSpokes,<span class="keywordtype">bool</span>);
<a name="l00130"></a>00130   vtkBooleanMacro(GeneratePerturbedLabelSpokes,<span class="keywordtype">bool</span>);
<a name="l00132"></a>00132 
<a name="l00134"></a>00134 
<a name="l00136"></a>00136   vtkGetMacro(OutputTraversedBounds,<span class="keywordtype">bool</span>);
<a name="l00137"></a>00137   vtkSetMacro(OutputTraversedBounds,<span class="keywordtype">bool</span>);
<a name="l00138"></a>00138   vtkBooleanMacro(OutputTraversedBounds,<span class="keywordtype">bool</span>);
<a name="l00140"></a>00140 
<a name="l00142"></a>00142 
<a name="l00145"></a>00145   vtkGetMacro(OutputCoordinateSystem,<span class="keywordtype">int</span>);
<a name="l00146"></a>00146   vtkSetClampMacro(OutputCoordinateSystem,<span class="keywordtype">int</span>,WORLD,DISPLAY);
<a name="l00147"></a><a class="code" href="a00946.html#6081938935dbf175327e7eee1a61f3e4">00147</a>   <span class="keywordtype">void</span> OutputCoordinateSystemWorld() { this-&gt;SetOutputCoordinateSystem( <a class="code" href="a00946.html#b592ac09e13a9168b9f791b96e4fa5febac3f11ed421ed3e2db9cee36daa39fe" title="Output 3-D world-space coordinates for each label anchor.">vtkLabelPlacer::WORLD</a> ); }
<a name="l00148"></a><a class="code" href="a00946.html#aa17c319fd6377521d3bff99ebcaf5b4">00148</a>   <span class="keywordtype">void</span> OutputCoordinateSystemDisplay() { this-&gt;SetOutputCoordinateSystem( <a class="code" href="a00946.html#b592ac09e13a9168b9f791b96e4fa5fe8ffd0f5e33b5798c0814756a8ea4fcd3" title="Output 2-D display coordinates for each label anchor (3 components but only 2 are...">vtkLabelPlacer::DISPLAY</a> ); }
<a name="l00150"></a>00150 
<a name="l00151"></a>00151 <span class="keyword">protected</span>:
<a name="l00152"></a>00152   <a class="code" href="a00946.html" title="place a prioritized hierarchy of labels in screen space">vtkLabelPlacer</a>();
<a name="l00153"></a>00153   <span class="keyword">virtual</span> ~<a class="code" href="a00946.html" title="place a prioritized hierarchy of labels in screen space">vtkLabelPlacer</a>();
<a name="l00154"></a>00154 
<a name="l00155"></a>00155   <span class="keyword">virtual</span> <span class="keywordtype">void</span> SetAnchorTransform( <a class="code" href="a00335.html" title="perform coordinate transformation, and represent position, in a variety of vtk coordinate...">vtkCoordinate</a>* );
<a name="l00156"></a>00156 
<a name="l00157"></a>00157   <span class="keywordtype">int</span> <a class="code" href="a01261.html#a9084b97ab9c0c8c76e490fa9776a832">FillInputPortInformation</a>( <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>, <a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a>* <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d21023da246d4a744e861548382bb79fad81">info</a> );
<a name="l00158"></a>00158   <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="a01261.html#6b5a43ab1f9bbcb368c7dc83e4afe068">RequestData</a>( <a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a>* request,
<a name="l00159"></a>00159     <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>** inputVector, <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>* outputVector );
<a name="l00160"></a>00160 
<a name="l00161"></a>00161   <span class="comment">//BTX</span>
<a name="l00162"></a><a class="code" href="a00946.html#1e083f226e11a18a23f9eae6d7799a58">00162</a>   <span class="keyword">class </span>Internal;
<a name="l00163"></a>00163   Internal* Buckets;
<a name="l00164"></a>00164   <span class="comment">//ETX</span>
<a name="l00165"></a>00165 
<a name="l00166"></a><a class="code" href="a00946.html#b1aa9ee20394c869d7c6dbf21b9c4b40">00166</a>   <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a>* Renderer;
<a name="l00167"></a><a class="code" href="a00946.html#83480dd23dd9c8a8079d54c804d8a254">00167</a>   <a class="code" href="a00335.html" title="perform coordinate transformation, and represent position, in a variety of vtk coordinate...">vtkCoordinate</a>* AnchorTransform;
<a name="l00168"></a><a class="code" href="a00946.html#49cf9ff3613b1dc5ae1cc5301d618ea2">00168</a>   <span class="keywordtype">int</span> Gravity;
<a name="l00169"></a><a class="code" href="a00946.html#274cef4aec9a8f3d4f2dc7ef3e384e45">00169</a>   <span class="keywordtype">double</span> MaximumLabelFraction;
<a name="l00170"></a><a class="code" href="a00946.html#cf918074cc1115841951ffaa6fada26b">00170</a>   <span class="keywordtype">bool</span> PositionsAsNormals;
<a name="l00171"></a><a class="code" href="a00946.html#95ae7f9367e6b4a0c74fe7bdf1efff1a">00171</a>   <span class="keywordtype">bool</span> OutputTraversedBounds;
<a name="l00172"></a><a class="code" href="a00946.html#ec86b08bb0acf3d0a411c13dde3e365f">00172</a>   <span class="keywordtype">bool</span> GeneratePerturbedLabelSpokes;
<a name="l00173"></a>00173 
<a name="l00174"></a><a class="code" href="a00946.html#ac8d17ea39e84873e61b250292a4e7ff">00174</a>   <span class="keywordtype">int</span> LastRendererSize[2];
<a name="l00175"></a><a class="code" href="a00946.html#7018db02cc5b571deea57d5aa07bcf86">00175</a>   <span class="keywordtype">double</span> LastCameraPosition[3];
<a name="l00176"></a><a class="code" href="a00946.html#f0bcbb48e0a5a675881ec678d1bc9858">00176</a>   <span class="keywordtype">double</span> LastCameraFocalPoint[3];
<a name="l00177"></a><a class="code" href="a00946.html#9a0328f2f8379d6895090dac0ea3814b">00177</a>   <span class="keywordtype">double</span> LastCameraViewUp[3];
<a name="l00178"></a><a class="code" href="a00946.html#ec517dcffccf22e460c070126e29575f">00178</a>   <span class="keywordtype">double</span> LastCameraParallelScale;
<a name="l00179"></a><a class="code" href="a00946.html#e71cb6b26ec5d075e1349cf880f2b941">00179</a>   <span class="keywordtype">int</span> IteratorType;
<a name="l00180"></a><a class="code" href="a00946.html#f66fce7ad0aaaf83a43124e6bda16ec3">00180</a>   <span class="keywordtype">int</span> OutputCoordinateSystem;
<a name="l00181"></a>00181 
<a name="l00182"></a>00182 <span class="keyword">private</span>:
<a name="l00183"></a>00183   <a class="code" href="a00946.html" title="place a prioritized hierarchy of labels in screen space">vtkLabelPlacer</a>( <span class="keyword">const</span> <a class="code" href="a00946.html" title="place a prioritized hierarchy of labels in screen space">vtkLabelPlacer</a>&amp; ); <span class="comment">// Not implemented.</span>
<a name="l00184"></a>00184   <span class="keywordtype">void</span> operator = ( <span class="keyword">const</span> <a class="code" href="a00946.html" title="place a prioritized hierarchy of labels in screen space">vtkLabelPlacer</a>&amp; ); <span class="comment">// Not implemented.</span>
<a name="l00185"></a>00185 };
<a name="l00186"></a>00186 
<a name="l00187"></a>00187 <span class="preprocessor">#endif // __vtkLabelPlacer_h</span>
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