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<h1>dox/Graphics/vtkStreamer.h</h1><a href="a02666.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: vtkStreamer.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="l00052"></a>00052 <span class="preprocessor">#ifndef __vtkStreamer_h</span>
<a name="l00053"></a>00053 <span class="preprocessor"></span><span class="preprocessor">#define __vtkStreamer_h</span>
<a name="l00054"></a>00054 <span class="preprocessor"></span>
<a name="l00055"></a>00055 <span class="preprocessor">#include "<a class="code" href="a02331.html">vtkPolyDataAlgorithm.h</a>"</span>
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="keyword">class </span><a class="code" href="a00896.html" title="Integrate a set of ordinary differential equations (initial value problem) in time...">vtkInitialValueProblemSolver</a>;
<a name="l00058"></a>00058 <span class="keyword">class </span><a class="code" href="a01064.html" title="A class for performing multithreaded execution.">vtkMultiThreader</a>;
<a name="l00059"></a>00059
<a name="l00060"></a><a class="code" href="a02666.html#ac2e7f498a0108e301ee02143dd1fb37">00060</a> <span class="preprocessor">#define VTK_INTEGRATE_FORWARD 0</span>
<a name="l00061"></a><a class="code" href="a02666.html#49a0a8a5acbc680a8f9d4a4cb21f0784">00061</a> <span class="preprocessor"></span><span class="preprocessor">#define VTK_INTEGRATE_BACKWARD 1</span>
<a name="l00062"></a><a class="code" href="a02666.html#ea9726c0517a9853eada8d27afcd2de8">00062</a> <span class="preprocessor"></span><span class="preprocessor">#define VTK_INTEGRATE_BOTH_DIRECTIONS 2</span>
<a name="l00063"></a>00063 <span class="preprocessor"></span>
<a name="l00064"></a><a class="code" href="a01610.html">00064</a> <span class="keyword">class </span><a class="code" href="a02170.html#c3c1ffe2fe47b9b70ba90182b7860cce">VTK_GRAPHICS_EXPORT</a> <a class="code" href="a01610.html" title="abstract object implements integration of massless particle through vector field">vtkStreamer</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="l00065"></a>00065 {
<a name="l00066"></a>00066 <span class="keyword">public</span>:
<a name="l00067"></a><a class="code" href="a01610.html#7cfe13fe40f729fba5a9073d359d74f4">00067</a> vtkTypeRevisionMacro(<a class="code" href="a01610.html" title="abstract object implements integration of massless particle through vector field">vtkStreamer</a>,<a class="code" href="a01261.html" title="Superclass for algorithms that produce only polydata as output.">vtkPolyDataAlgorithm</a>);
<a name="l00068"></a>00068 <span class="keywordtype">void</span> <a class="code" href="a01261.html#e6d59a63261b0c56f8f473984ae0e1b6">PrintSelf</a>(ostream& os, <a class="code" href="a00869.html" title="a simple class to control print indentation">vtkIndent</a> indent);
<a name="l00069"></a>00069
<a name="l00073"></a>00073 <span class="keywordtype">void</span> SetStartLocation(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> cellId, <span class="keywordtype">int</span> subId, <span class="keywordtype">double</span> pcoords[3]);
<a name="l00074"></a>00074
<a name="l00076"></a>00076
<a name="l00079"></a>00079 <span class="keywordtype">void</span> SetStartLocation(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> cellId, <span class="keywordtype">int</span> subId, <span class="keywordtype">double</span> r, <span class="keywordtype">double</span> s,
<a name="l00080"></a>00080 <span class="keywordtype">double</span> t);
<a name="l00082"></a>00082
<a name="l00085"></a>00085 <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> GetStartLocation(<span class="keywordtype">int</span>& subId, <span class="keywordtype">double</span> pcoords[3]);
<a name="l00086"></a>00086
<a name="l00090"></a>00090 <span class="keywordtype">void</span> SetStartPosition(<span class="keywordtype">double</span> x[3]);
<a name="l00091"></a>00091
<a name="l00095"></a>00095 <span class="keywordtype">void</span> SetStartPosition(<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <span class="keywordtype">double</span> z);
<a name="l00096"></a>00096
<a name="l00098"></a>00098 <span class="keywordtype">double</span> *GetStartPosition();
<a name="l00099"></a>00099
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="keywordtype">void</span> SetSource(<a class="code" href="a00374.html" title="abstract class to specify dataset behavior">vtkDataSet</a> *<a class="code" href="a02995.html#7c22aa18a4e42c330618a6410d133551">source</a>);
<a name="l00103"></a>00103 <a class="code" href="a00374.html" title="abstract class to specify dataset behavior">vtkDataSet</a> *GetSource();
<a name="l00105"></a>00105
<a name="l00107"></a>00107
<a name="l00108"></a>00108 vtkSetClampMacro(MaximumPropagationTime,<span class="keywordtype">double</span>,0.0,<a class="code" href="a02149.html#a933eb1ff8ef089de59cce7b41e21261">VTK_DOUBLE_MAX</a>);
<a name="l00109"></a>00109 vtkGetMacro(MaximumPropagationTime,<span class="keywordtype">double</span>);
<a name="l00111"></a>00111
<a name="l00113"></a>00113
<a name="l00114"></a>00114 vtkSetClampMacro(IntegrationDirection,<span class="keywordtype">int</span>,
<a name="l00115"></a>00115 <a class="code" href="a02574.html#ac2e7f498a0108e301ee02143dd1fb37">VTK_INTEGRATE_FORWARD</a>,<a class="code" href="a02574.html#ea9726c0517a9853eada8d27afcd2de8">VTK_INTEGRATE_BOTH_DIRECTIONS</a>);
<a name="l00116"></a>00116 vtkGetMacro(IntegrationDirection,<span class="keywordtype">int</span>);
<a name="l00117"></a><a class="code" href="a01610.html#2376bd684f1b6a7411e144c0387a3a11">00117</a> <span class="keywordtype">void</span> SetIntegrationDirectionToForward()
<a name="l00118"></a>00118 {this->SetIntegrationDirection(<a class="code" href="a02574.html#ac2e7f498a0108e301ee02143dd1fb37">VTK_INTEGRATE_FORWARD</a>);};
<a name="l00119"></a><a class="code" href="a01610.html#eaec84a8dcdf110cc90cefc69a30a178">00119</a> <span class="keywordtype">void</span> SetIntegrationDirectionToBackward()
<a name="l00120"></a>00120 {this->SetIntegrationDirection(<a class="code" href="a02574.html#49a0a8a5acbc680a8f9d4a4cb21f0784">VTK_INTEGRATE_BACKWARD</a>);};
<a name="l00121"></a><a class="code" href="a01610.html#8d038d71c17aa3b23ceff058b046b2f8">00121</a> <span class="keywordtype">void</span> SetIntegrationDirectionToIntegrateBothDirections()
<a name="l00122"></a>00122 {this->SetIntegrationDirection(<a class="code" href="a02574.html#ea9726c0517a9853eada8d27afcd2de8">VTK_INTEGRATE_BOTH_DIRECTIONS</a>);};
<a name="l00123"></a>00123 <span class="keyword">const</span> <span class="keywordtype">char</span> *GetIntegrationDirectionAsString();
<a name="l00125"></a>00125
<a name="l00127"></a>00127
<a name="l00129"></a>00129 vtkSetClampMacro(IntegrationStepLength,<span class="keywordtype">double</span>,0.0000001,<a class="code" href="a02149.html#a933eb1ff8ef089de59cce7b41e21261">VTK_DOUBLE_MAX</a>);
<a name="l00130"></a>00130 vtkGetMacro(IntegrationStepLength,<span class="keywordtype">double</span>);
<a name="l00132"></a>00132
<a name="l00134"></a>00134
<a name="l00136"></a>00136 vtkSetMacro(SpeedScalars,<span class="keywordtype">int</span>);
<a name="l00137"></a>00137 vtkGetMacro(SpeedScalars,<span class="keywordtype">int</span>);
<a name="l00138"></a>00138 vtkBooleanMacro(SpeedScalars,<span class="keywordtype">int</span>);
<a name="l00140"></a>00140
<a name="l00142"></a>00142
<a name="l00147"></a>00147 vtkSetMacro(OrientationScalars, <span class="keywordtype">int</span>);
<a name="l00148"></a>00148 vtkGetMacro(OrientationScalars, <span class="keywordtype">int</span>);
<a name="l00149"></a>00149 vtkBooleanMacro(OrientationScalars, <span class="keywordtype">int</span>);
<a name="l00151"></a>00151
<a name="l00153"></a>00153
<a name="l00155"></a>00155 vtkSetClampMacro(TerminalSpeed,<span class="keywordtype">double</span>,0.0,<a class="code" href="a02149.html#a933eb1ff8ef089de59cce7b41e21261">VTK_DOUBLE_MAX</a>);
<a name="l00156"></a>00156 vtkGetMacro(TerminalSpeed,<span class="keywordtype">double</span>);
<a name="l00158"></a>00158
<a name="l00160"></a>00160
<a name="l00165"></a>00165 vtkSetMacro(Vorticity,<span class="keywordtype">int</span>);
<a name="l00166"></a>00166 vtkGetMacro(Vorticity,<span class="keywordtype">int</span>);
<a name="l00167"></a>00167 vtkBooleanMacro(Vorticity,<span class="keywordtype">int</span>);
<a name="l00169"></a>00169
<a name="l00170"></a>00170 vtkSetMacro( NumberOfThreads, <span class="keywordtype">int</span> );
<a name="l00171"></a>00171 vtkGetMacro( NumberOfThreads, <span class="keywordtype">int</span> );
<a name="l00172"></a>00172
<a name="l00173"></a>00173 vtkSetMacro( SavePointInterval, <span class="keywordtype">double</span> );
<a name="l00174"></a>00174 vtkGetMacro( SavePointInterval, <span class="keywordtype">double</span> );
<a name="l00175"></a>00175
<a name="l00177"></a>00177
<a name="l00181"></a>00181 <span class="keywordtype">void</span> SetIntegrator(<a class="code" href="a00896.html" title="Integrate a set of ordinary differential equations (initial value problem) in time...">vtkInitialValueProblemSolver</a> *);
<a name="l00182"></a>00182 vtkGetObjectMacro ( Integrator, <a class="code" href="a00896.html" title="Integrate a set of ordinary differential equations (initial value problem) in time...">vtkInitialValueProblemSolver</a> );
<a name="l00184"></a>00184
<a name="l00185"></a>00185 <span class="keyword">protected</span>:
<a name="l00187"></a>00187
<a name="l00190"></a>00190 <a class="code" href="a01610.html" title="abstract object implements integration of massless particle through vector field">vtkStreamer</a>();
<a name="l00191"></a>00191 ~<a class="code" href="a01610.html" title="abstract object implements integration of massless particle through vector field">vtkStreamer</a>();
<a name="l00193"></a>00193
<a name="l00194"></a>00194 <span class="comment">// Integrate data</span>
<a name="l00195"></a>00195 <span class="keywordtype">void</span> Integrate(<a class="code" href="a00374.html" title="abstract class to specify dataset behavior">vtkDataSet</a> *input, <a class="code" href="a00374.html" title="abstract class to specify dataset behavior">vtkDataSet</a> *<a class="code" href="a02995.html#7c22aa18a4e42c330618a6410d133551">source</a>);
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="comment">// Controls where streamlines start from (either position or location).</span>
<a name="l00198"></a><a class="code" href="a01610.html#588060d6111f81d3e6e2e2587cd88acd">00198</a> <span class="keywordtype">int</span> StartFrom;
<a name="l00199"></a>00199
<a name="l00200"></a>00200 <span class="comment">// Starting from cell location</span>
<a name="l00201"></a><a class="code" href="a01610.html#797d93c71ccdab4c45e39c1bbbd7cf12">00201</a> <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> StartCell;
<a name="l00202"></a><a class="code" href="a01610.html#f8a8a393a0c4d9f236467f4add75f2a7">00202</a> <span class="keywordtype">int</span> StartSubId;
<a name="l00203"></a><a class="code" href="a01610.html#e0fa99e38dd0e1cf6357e7ea6ca7c51d">00203</a> <span class="keywordtype">double</span> StartPCoords[3];
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <span class="comment">// starting from global x-y-z position</span>
<a name="l00206"></a><a class="code" href="a01610.html#eabbe3e11907e8246c249cfc174da1f6">00206</a> <span class="keywordtype">double</span> StartPosition[3];
<a name="l00207"></a>00207
<a name="l00208"></a>00208 <span class="comment">//</span>
<a name="l00209"></a>00209 <span class="comment">// Special classes for manipulating data</span>
<a name="l00210"></a>00210 <span class="comment">//</span>
<a name="l00211"></a>00211 <span class="comment">//BTX - begin tcl exclude</span>
<a name="l00212"></a>00212 <span class="comment">//</span>
<a name="l00213"></a><a class="code" href="a01612.html">00213</a> <span class="keyword">class </span><a class="code" href="a01612.html">StreamPoint</a> {
<a name="l00214"></a>00214 <span class="keyword">public</span>:
<a name="l00215"></a><a class="code" href="a01612.html#2df9dbde817b4e82cdf1ab2c0107ec2c">00215</a> <span class="keywordtype">double</span> x[3]; <span class="comment">// position </span>
<a name="l00216"></a><a class="code" href="a01612.html#ddd04b7d062eee10de620d5b02b5e96d">00216</a> <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> cellId; <span class="comment">// cell</span>
<a name="l00217"></a><a class="code" href="a01612.html#2fb9b046b4659c943fe82cf9558c7fe7">00217</a> <span class="keywordtype">int</span> subId; <span class="comment">// cell sub id</span>
<a name="l00218"></a><a class="code" href="a01612.html#b2f3931a801543c8dff9b47e8546454a">00218</a> <span class="keywordtype">double</span> p[3]; <span class="comment">// parametric coords in cell </span>
<a name="l00219"></a><a class="code" href="a01612.html#0b7460b4c5889ec15c68954464b17cbf">00219</a> <span class="keywordtype">double</span> v[3]; <span class="comment">// velocity </span>
<a name="l00220"></a><a class="code" href="a01612.html#44ef3fa259bb51366767a4a0ce5fa98c">00220</a> <span class="keywordtype">double</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d2108e7aa39f99dc984ff1e49c8b1c8d95f1">speed</a>; <span class="comment">// velocity norm </span>
<a name="l00221"></a><a class="code" href="a01612.html#414618eb2fd328ce0d91518cce30c6ec">00221</a> <span class="keywordtype">double</span> s; <span class="comment">// scalar value </span>
<a name="l00222"></a><a class="code" href="a01612.html#316a7e68367354229c5971b42fc216eb">00222</a> <span class="keywordtype">double</span> t; <span class="comment">// time travelled so far </span>
<a name="l00223"></a><a class="code" href="a01612.html#90b833fa53dca35ebd6f3d0ed6f2d38a">00223</a> <span class="keywordtype">double</span> d; <span class="comment">// distance travelled so far </span>
<a name="l00224"></a><a class="code" href="a01612.html#8f05da345fe179819a2d07d9d07b2cf7">00224</a> <span class="keywordtype">double</span> omega; <span class="comment">// stream vorticity, if computed</span>
<a name="l00225"></a><a class="code" href="a01612.html#667a76c2d523c828861848da8bc6efea">00225</a> <span class="keywordtype">double</span> theta; <span class="comment">// rotation angle, if vorticity is computed</span>
<a name="l00226"></a>00226 };
<a name="l00227"></a>00227
<a name="l00228"></a><a class="code" href="a01610.html#edb67bc65f44759ccc4b6f5291b0a812">00228</a> <span class="keyword">class </span><a class="code" href="a01611.html">StreamArray</a>;
<a name="l00229"></a>00229 <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="a01611.html">StreamArray</a>;
<a name="l00230"></a><a class="code" href="a01611.html">00230</a> <span class="keyword">class </span><a class="code" href="a01611.html">StreamArray</a> { <span class="comment">//;prevent man page generation</span>
<a name="l00231"></a>00231 <span class="keyword">public</span>:
<a name="l00232"></a>00232 <a class="code" href="a01611.html">StreamArray</a>();
<a name="l00233"></a><a class="code" href="a01611.html#c63179f2428f0eee923ca7083619149a">00233</a> ~<a class="code" href="a01611.html">StreamArray</a>()
<a name="l00234"></a>00234 {
<a name="l00235"></a>00235 <span class="keywordflow">if</span> (this->Array)
<a name="l00236"></a>00236 {
<a name="l00237"></a>00237 <span class="keyword">delete</span> [] this->Array;
<a name="l00238"></a>00238 }
<a name="l00239"></a>00239 };
<a name="l00240"></a><a class="code" href="a01611.html#222a651d76881d6d79e441b75714e4d9">00240</a> <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> GetNumberOfPoints() {<span class="keywordflow">return</span> this->MaxId + 1;};
<a name="l00241"></a><a class="code" href="a01611.html#5d6cc3913b5620b24fd458d145a19eb7">00241</a> <a class="code" href="a01612.html">StreamPoint</a> *GetStreamPoint(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> i) {<span class="keywordflow">return</span> this->Array + i;};
<a name="l00242"></a><a class="code" href="a01611.html#10190cccb5489061e180456c80ad16e2">00242</a> <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> InsertNextStreamPoint()
<a name="l00243"></a>00243 {
<a name="l00244"></a>00244 <span class="keywordflow">if</span> ( ++this->MaxId >= this->Size )
<a name="l00245"></a>00245 {
<a name="l00246"></a>00246 this->Resize(this->MaxId);
<a name="l00247"></a>00247 }
<a name="l00248"></a>00248 <span class="keywordflow">return</span> this->MaxId; <span class="comment">//return offset from array</span>
<a name="l00249"></a>00249 }
<a name="l00250"></a>00250 <a class="code" href="a01612.html">StreamPoint</a> *Resize(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> sz); <span class="comment">//reallocates data</span>
<a name="l00251"></a><a class="code" href="a01611.html#850ce07b38aa80cfce4ee22c5721a3b2">00251</a> <span class="keywordtype">void</span> Reset() {this->MaxId = -1;};
<a name="l00252"></a>00252
<a name="l00253"></a>00253 <a class="code" href="a01612.html">StreamPoint</a> *Array; <span class="comment">// pointer to data</span>
<a name="l00254"></a><a class="code" href="a01611.html#c3591c1f65b592e6c5eb80226f2888f9">00254</a> <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> MaxId; <span class="comment">// maximum index inserted thus far</span>
<a name="l00255"></a><a class="code" href="a01611.html#9f59783a544b7bc834c4ec16caf44818">00255</a> <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> Size; <span class="comment">// allocated size of data</span>
<a name="l00256"></a><a class="code" href="a01611.html#ebe493c7d57a485904802b3d4fb7fb5d">00256</a> <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> Extend; <span class="comment">// grow array by this amount</span>
<a name="l00257"></a><a class="code" href="a01611.html#01d055d00948fbdbe614e57d3c4ae451">00257</a> <span class="keywordtype">double</span> Direction; <span class="comment">// integration direction</span>
<a name="l00258"></a>00258 };
<a name="l00259"></a>00259 <span class="comment">//ETX</span>
<a name="l00260"></a>00260 <span class="comment">//</span>
<a name="l00261"></a>00261
<a name="l00262"></a>00262 <span class="comment">//array of streamers</span>
<a name="l00263"></a><a class="code" href="a01610.html#e003831dd3faec8d3bae37d6dfe963d1">00263</a> <a class="code" href="a01611.html">StreamArray</a> *Streamers;
<a name="l00264"></a><a class="code" href="a01610.html#b40816b1b40f3ab61d4132501e5cf951">00264</a> <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> NumberOfStreamers;
<a name="l00265"></a>00265
<a name="l00266"></a>00266 <span class="comment">// length of Streamer is generated by time, or by MaximumSteps</span>
<a name="l00267"></a><a class="code" href="a01610.html#8c2989ab510b30574fee5ea627239c0b">00267</a> <span class="keywordtype">double</span> MaximumPropagationTime;
<a name="l00268"></a>00268
<a name="l00269"></a>00269 <span class="comment">// integration direction</span>
<a name="l00270"></a><a class="code" href="a01610.html#82942dd3ebe3242d02ccc7e7b93b6f6d">00270</a> <span class="keywordtype">int</span> IntegrationDirection;
<a name="l00271"></a>00271
<a name="l00272"></a>00272 <span class="comment">// the length (fraction of cell size) of integration steps</span>
<a name="l00273"></a><a class="code" href="a01610.html#44bb28f281d04afb7b88d01d8a6c36cd">00273</a> <span class="keywordtype">double</span> IntegrationStepLength;
<a name="l00274"></a>00274
<a name="l00275"></a>00275 <span class="comment">// boolean controls whether vorticity is computed</span>
<a name="l00276"></a><a class="code" href="a01610.html#b7edfa2d2f6e995cca22ec056d5f31e4">00276</a> <span class="keywordtype">int</span> Vorticity;
<a name="l00277"></a>00277
<a name="l00278"></a>00278 <span class="comment">// terminal propagation speed</span>
<a name="l00279"></a><a class="code" href="a01610.html#68980f5f9a5f3c73b02708b33f5ee63b">00279</a> <span class="keywordtype">double</span> TerminalSpeed;
<a name="l00280"></a>00280
<a name="l00281"></a>00281 <span class="comment">// boolean controls whether data scalars or velocity magnitude are used</span>
<a name="l00282"></a><a class="code" href="a01610.html#441d48a153123f426fdae73bab104a6f">00282</a> <span class="keywordtype">int</span> SpeedScalars;
<a name="l00283"></a>00283
<a name="l00284"></a>00284 <span class="comment">// boolean controls whether data scalars or vorticity orientation are used</span>
<a name="l00285"></a><a class="code" href="a01610.html#1e93364c9f267abc60824ed2e632558a">00285</a> <span class="keywordtype">int</span> OrientationScalars;
<a name="l00286"></a>00286
<a name="l00287"></a>00287 <span class="comment">// Prototype showing the integrator type to be set by the user.</span>
<a name="l00288"></a><a class="code" href="a01610.html#751f24a15c036019f2f87cdac51dc290">00288</a> <a class="code" href="a00896.html" title="Integrate a set of ordinary differential equations (initial value problem) in time...">vtkInitialValueProblemSolver</a>* Integrator;
<a name="l00289"></a>00289
<a name="l00290"></a>00290 <span class="comment">// Interval with which the stream points will be stored.</span>
<a name="l00291"></a>00291 <span class="comment">// Useful in reducing the memory footprint. Since the initial</span>
<a name="l00292"></a>00292 <span class="comment">// value is small, by default, it will store all/most points.</span>
<a name="l00293"></a><a class="code" href="a01610.html#f13adc0ca6268d600b55d9a32bb99026">00293</a> <span class="keywordtype">double</span> SavePointInterval;
<a name="l00294"></a>00294
<a name="l00295"></a>00295 <span class="keyword">static</span> <a class="code" href="a02139.html#857b028df0e7a06db6bb78f368456609">VTK_THREAD_RETURN_TYPE</a> ThreadedIntegrate( <span class="keywordtype">void</span> *arg );
<a name="l00296"></a>00296
<a name="l00298"></a>00298
<a name="l00300"></a>00300 vtkGetMacro( NumberOfStreamers, <span class="keywordtype">int</span> );
<a name="l00301"></a><a class="code" href="a01610.html#c13e0a38548b8d01d1544dc52772e51f">00301</a> <a class="code" href="a01611.html">StreamArray</a> *GetStreamers() { <span class="keywordflow">return</span> this->Streamers; };
<a name="l00303"></a>00303
<a name="l00304"></a>00304 <span class="keywordtype">void</span> InitializeThreadedIntegrate();
<a name="l00305"></a><a class="code" href="a01610.html#7371f9aa200ca50b762ee63f7edce073">00305</a> <a class="code" href="a01064.html" title="A class for performing multithreaded execution.">vtkMultiThreader</a> *Threader;
<a name="l00306"></a><a class="code" href="a01610.html#a65ed1bee0c998b39f1116379c976798">00306</a> <span class="keywordtype">int</span> NumberOfThreads;
<a name="l00307"></a>00307
<a name="l00308"></a>00308 <span class="keyword">virtual</span> <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="l00309"></a>00309
<a name="l00310"></a>00310 <span class="keyword">private</span>:
<a name="l00311"></a>00311 <a class="code" href="a01610.html" title="abstract object implements integration of massless particle through vector field">vtkStreamer</a>(<span class="keyword">const</span> <a class="code" href="a01610.html" title="abstract object implements integration of massless particle through vector field">vtkStreamer</a>&); <span class="comment">// Not implemented.</span>
<a name="l00312"></a>00312 <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> <a class="code" href="a01610.html" title="abstract object implements integration of massless particle through vector field">vtkStreamer</a>&); <span class="comment">// Not implemented.</span>
<a name="l00313"></a>00313 };
<a name="l00314"></a>00314
<a name="l00316"></a><a class="code" href="a01610.html#8d326cee5c426f8106748311311846de">00316</a> <span class="keyword">inline</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="a01610.html#8d326cee5c426f8106748311311846de">vtkStreamer::GetIntegrationDirectionAsString</a>()
<a name="l00317"></a>00317 {
<a name="l00318"></a>00318 <span class="keywordflow">if</span> ( this-><a class="code" href="a01610.html#82942dd3ebe3242d02ccc7e7b93b6f6d">IntegrationDirection</a> == <a class="code" href="a02574.html#ac2e7f498a0108e301ee02143dd1fb37">VTK_INTEGRATE_FORWARD</a> )
<a name="l00319"></a>00319 {
<a name="l00320"></a>00320 <span class="keywordflow">return</span> <span class="stringliteral">"IntegrateForward"</span>;
<a name="l00321"></a>00321 }
<a name="l00322"></a>00322 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( this-><a class="code" href="a01610.html#82942dd3ebe3242d02ccc7e7b93b6f6d">IntegrationDirection</a> == <a class="code" href="a02574.html#49a0a8a5acbc680a8f9d4a4cb21f0784">VTK_INTEGRATE_BACKWARD</a> )
<a name="l00323"></a>00323 {
<a name="l00324"></a>00324 <span class="keywordflow">return</span> <span class="stringliteral">"IntegrateBackward"</span>;
<a name="l00325"></a>00325 }
<a name="l00326"></a>00326 <span class="keywordflow">else</span>
<a name="l00327"></a>00327 {
<a name="l00328"></a>00328 <span class="keywordflow">return</span> <span class="stringliteral">"IntegrateBothDirections"</span>;
<a name="l00329"></a>00329 }
<a name="l00330"></a>00330 }
<a name="l00331"></a>00331
<a name="l00332"></a>00332 <span class="preprocessor">#endif</span>
</pre></div></div>
<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jun 3 18:35:29 2009 for VTK by
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