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VariationalRefinement.html

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  104. <div class="subTitle">org.opencv.video</div>
    105. 

  105. <h2 title="Class VariationalRefinement" class="title">Class VariationalRefinement</h2>
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  106. </div>
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  107. <div class="contentContainer">
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  108. <ul class="inheritance">
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  109. <li>java.lang.Object</li>
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  113. <li>
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  114. <ul class="inheritance">
    115. 

  115. <li><a href="../../../org/opencv/video/DenseOpticalFlow.html" title="class in org.opencv.video">org.opencv.video.DenseOpticalFlow</a></li>
    116. 

  116. <li>
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  117. <ul class="inheritance">
    118. 

  118. <li>org.opencv.video.VariationalRefinement</li>
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  131. <pre>public class <span class="typeNameLabel">VariationalRefinement</span>
    132. 

  132. extends <a href="../../../org/opencv/video/DenseOpticalFlow.html" title="class in org.opencv.video">DenseOpticalFlow</a></pre>
    133. 

  133. <div class="block">Variational optical flow refinement
    134. 

  134. 

  135.  This class implements variational refinement of the input flow field, i.e.
    136. 

  136.  it uses input flow to initialize the minimization of the following functional:
    137. 

  137.  \(E(U) = \int_{\Omega} \delta \Psi(E_I) + \gamma \Psi(E_G) + \alpha \Psi(E_S) \),
    138. 

  138.  where \(E_I,E_G,E_S\) are color constancy, gradient constancy and smoothness terms
    139. 

  139.  respectively. \(\Psi(s^2)=\sqrt{s^2+\epsilon^2}\) is a robust penalizer to limit the
    140. 

  140.  influence of outliers. A complete formulation and a description of the minimization
    141. 

  141.  procedure can be found in CITE: Brox2004</div>
    142. 

  142. </li>
    143. 

  143. </ul>
    144. 

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    145. 

  145. <div class="summary">
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    148. 

  148. <!-- ========== METHOD SUMMARY =========== -->
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  152. </a>
    153. 

  153. <h3>Method Summary</h3>
    154. 

  154. <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
    155. 

  155. <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
    156. 

  156. <tr>
    157. 

  157. <th class="colFirst" scope="col">Modifier and Type</th>
    158. 

  158. <th class="colLast" scope="col">Method and Description</th>
    159. 

  159. </tr>
    160. 

  160. <tr id="i0" class="altColor">
    161. 

  161. <td class="colFirst"><code>static <a href="../../../org/opencv/video/VariationalRefinement.html" title="class in org.opencv.video">VariationalRefinement</a></code></td>
    162. 

  162. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/video/VariationalRefinement.html#Z:Z__fromPtr__-long-">__fromPtr__</a></span>(long&nbsp;addr)</code>&nbsp;</td>
    163. 

  163. </tr>
    164. 

  164. <tr id="i1" class="rowColor">
    165. 

  165. <td class="colFirst"><code>void</code></td>
    166. 

  166. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/video/VariationalRefinement.html#calcUV-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-">calcUV</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;I0,
    167. 

  167.       <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;I1,
    168. 

  168.       <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;flow_u,
    169. 

  169.       <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;flow_v)</code>
    170. 

  170. <div class="block">REF: calc function overload to handle separate horizontal (u) and vertical (v) flow components
    171. 

  171.  (to avoid extra splits/merges)</div>
    172. 

  172. </td>
    173. 

  173. </tr>
    174. 

  174. <tr id="i2" class="altColor">
    175. 

  175. <td class="colFirst"><code>static <a href="../../../org/opencv/video/VariationalRefinement.html" title="class in org.opencv.video">VariationalRefinement</a></code></td>
    176. 

  176. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/video/VariationalRefinement.html#create--">create</a></span>()</code>
    177. 

  177. <div class="block">Creates an instance of VariationalRefinement</div>
    178. 

  178. </td>
    179. 

  179. </tr>
    180. 

  180. <tr id="i3" class="rowColor">
    181. 

  181. <td class="colFirst"><code>float</code></td>
    182. 

  182. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/video/VariationalRefinement.html#getAlpha--">getAlpha</a></span>()</code>
    183. 

  183. <div class="block">Weight of the smoothness term
    184. 

  184.  SEE: setAlpha</div>
    185. 

  185. </td>
    186. 

  186. </tr>
    187. 

  187. <tr id="i4" class="altColor">
    188. 

  188. <td class="colFirst"><code>float</code></td>
    189. 

  189. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/video/VariationalRefinement.html#getDelta--">getDelta</a></span>()</code>
    190. 

  190. <div class="block">Weight of the color constancy term
    191. 

  191.  SEE: setDelta</div>
    192. 

  192. </td>
    193. 

  193. </tr>
    194. 

  194. <tr id="i5" class="rowColor">
    195. 

  195. <td class="colFirst"><code>int</code></td>
    196. 

  196. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/video/VariationalRefinement.html#getFixedPointIterations--">getFixedPointIterations</a></span>()</code>
    197. 

  197. <div class="block">Number of outer (fixed-point) iterations in the minimization procedure.</div>
    198. 

  198. </td>
    199. 

  199. </tr>
    200. 

  200. <tr id="i6" class="altColor">
    201. 

  201. <td class="colFirst"><code>float</code></td>
    202. 

  202. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/video/VariationalRefinement.html#getGamma--">getGamma</a></span>()</code>
    203. 

  203. <div class="block">Weight of the gradient constancy term
    204. 

  204.  SEE: setGamma</div>
    205. 

  205. </td>
    206. 

  206. </tr>
    207. 

  207. <tr id="i7" class="rowColor">
    208. 

  208. <td class="colFirst"><code>float</code></td>
    209. 

  209. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/video/VariationalRefinement.html#getOmega--">getOmega</a></span>()</code>
    210. 

  210. <div class="block">Relaxation factor in SOR
    211. 

  211.  SEE: setOmega</div>
    212. 

  212. </td>
    213. 

  213. </tr>
    214. 

  214. <tr id="i8" class="altColor">
    215. 

  215. <td class="colFirst"><code>int</code></td>
    216. 

  216. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/video/VariationalRefinement.html#getSorIterations--">getSorIterations</a></span>()</code>
    217. 

  217. <div class="block">Number of inner successive over-relaxation (SOR) iterations
    218. 

  218.          in the minimization procedure to solve the respective linear system.</div>
    219. 

  219. </td>
    220. 

  220. </tr>
    221. 

  221. <tr id="i9" class="rowColor">
    222. 

  222. <td class="colFirst"><code>void</code></td>
    223. 

  223. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/video/VariationalRefinement.html#setAlpha-float-">setAlpha</a></span>(float&nbsp;val)</code>
    224. 

  224. <div class="block">getAlpha SEE: getAlpha</div>
    225. 

  225. </td>
    226. 

  226. </tr>
    227. 

  227. <tr id="i10" class="altColor">
    228. 

  228. <td class="colFirst"><code>void</code></td>
    229. 

  229. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/video/VariationalRefinement.html#setDelta-float-">setDelta</a></span>(float&nbsp;val)</code>
    230. 

  230. <div class="block">getDelta SEE: getDelta</div>
    231. 

  231. </td>
    232. 

  232. </tr>
    233. 

  233. <tr id="i11" class="rowColor">
    234. 

  234. <td class="colFirst"><code>void</code></td>
    235. 

  235. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/video/VariationalRefinement.html#setFixedPointIterations-int-">setFixedPointIterations</a></span>(int&nbsp;val)</code>
    236. 

  236. <div class="block">getFixedPointIterations SEE: getFixedPointIterations</div>
    237. 

  237. </td>
    238. 

  238. </tr>
    239. 

  239. <tr id="i12" class="altColor">
    240. 

  240. <td class="colFirst"><code>void</code></td>
    241. 

  241. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/video/VariationalRefinement.html#setGamma-float-">setGamma</a></span>(float&nbsp;val)</code>
    242. 

  242. <div class="block">getGamma SEE: getGamma</div>
    243. 

  243. </td>
    244. 

  244. </tr>
    245. 

  245. <tr id="i13" class="rowColor">
    246. 

  246. <td class="colFirst"><code>void</code></td>
    247. 

  247. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/video/VariationalRefinement.html#setOmega-float-">setOmega</a></span>(float&nbsp;val)</code>
    248. 

  248. <div class="block">getOmega SEE: getOmega</div>
    249. 

  249. </td>
    250. 

  250. </tr>
    251. 

  251. <tr id="i14" class="altColor">
    252. 

  252. <td class="colFirst"><code>void</code></td>
    253. 

  253. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/video/VariationalRefinement.html#setSorIterations-int-">setSorIterations</a></span>(int&nbsp;val)</code>
    254. 

  254. <div class="block">getSorIterations SEE: getSorIterations</div>
    255. 

  255. </td>
    256. 

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  262. <h3>Methods inherited from class&nbsp;org.opencv.video.<a href="../../../org/opencv/video/DenseOpticalFlow.html" title="class in org.opencv.video">DenseOpticalFlow</a></h3>
    263. 

  263. <code><a href="../../../org/opencv/video/DenseOpticalFlow.html#calc-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-">calc</a>, <a href="../../../org/opencv/video/DenseOpticalFlow.html#collectGarbage--">collectGarbage</a></code></li>
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  269. <h3>Methods inherited from class&nbsp;org.opencv.core.<a href="../../../org/opencv/core/Algorithm.html" title="class in org.opencv.core">Algorithm</a></h3>
    270. 

  270. <code><a href="../../../org/opencv/core/Algorithm.html#clear--">clear</a>, <a href="../../../org/opencv/core/Algorithm.html#empty--">empty</a>, <a href="../../../org/opencv/core/Algorithm.html#getDefaultName--">getDefaultName</a>, <a href="../../../org/opencv/core/Algorithm.html#getNativeObjAddr--">getNativeObjAddr</a>, <a href="../../../org/opencv/core/Algorithm.html#save-java.lang.String-">save</a></code></li>
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  277. <code>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
    278. 

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  291. </a>
    292. 

  292. <h3>Method Detail</h3>
    293. 

  293. <a name="Z:Z__fromPtr__-long-">
    294. 

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    295. 

  295. </a>
    296. 

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    297. 

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    298. 

  298. <h4>__fromPtr__</h4>
    299. 

  299. <pre>public static&nbsp;<a href="../../../org/opencv/video/VariationalRefinement.html" title="class in org.opencv.video">VariationalRefinement</a>&nbsp;__fromPtr__(long&nbsp;addr)</pre>
    300. 

  300. </li>
    301. 

  301. </ul>
    302. 

  302. <a name="calcUV-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-">
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    306. 

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    307. 

  307. <h4>calcUV</h4>
    308. 

  308. <pre>public&nbsp;void&nbsp;calcUV(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;I0,
    309. 

  309.                    <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;I1,
    310. 

  310.                    <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;flow_u,
    311. 

  311.                    <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;flow_v)</pre>
    312. 

  312. <div class="block">REF: calc function overload to handle separate horizontal (u) and vertical (v) flow components
    313. 

  313.  (to avoid extra splits/merges)</div>
    314. 

  314. <dl>
    315. 

  315. <dt><span class="paramLabel">Parameters:</span></dt>
    316. 

  316. <dd><code>I0</code> - automatically generated</dd>
    317. 

  317. <dd><code>I1</code> - automatically generated</dd>
    318. 

  318. <dd><code>flow_u</code> - automatically generated</dd>
    319. 

  319. <dd><code>flow_v</code> - automatically generated</dd>
    320. 

  320. </dl>
    321. 

  321. </li>
    322. 

  322. </ul>
    323. 

  323. <a name="create--">
    324. 

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    325. 

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    326. 

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    328. 

  328. <h4>create</h4>
    329. 

  329. <pre>public static&nbsp;<a href="../../../org/opencv/video/VariationalRefinement.html" title="class in org.opencv.video">VariationalRefinement</a>&nbsp;create()</pre>
    330. 

  330. <div class="block">Creates an instance of VariationalRefinement</div>
    331. 

  331. <dl>
    332. 

  332. <dt><span class="returnLabel">Returns:</span></dt>
    333. 

  333. <dd>automatically generated</dd>
    334. 

  334. </dl>
    335. 

  335. </li>
    336. 

  336. </ul>
    337. 

  337. <a name="getAlpha--">
    338. 

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  342. <h4>getAlpha</h4>
    343. 

  343. <pre>public&nbsp;float&nbsp;getAlpha()</pre>
    344. 

  344. <div class="block">Weight of the smoothness term
    345. 

  345.  SEE: setAlpha</div>
    346. 

  346. <dl>
    347. 

  347. <dt><span class="returnLabel">Returns:</span></dt>
    348. 

  348. <dd>automatically generated</dd>
    349. 

  349. </dl>
    350. 

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    351. 

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    352. 

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  357. <h4>getDelta</h4>
    358. 

  358. <pre>public&nbsp;float&nbsp;getDelta()</pre>
    359. 

  359. <div class="block">Weight of the color constancy term
    360. 

  360.  SEE: setDelta</div>
    361. 

  361. <dl>
    362. 

  362. <dt><span class="returnLabel">Returns:</span></dt>
    363. 

  363. <dd>automatically generated</dd>
    364. 

  364. </dl>
    365. 

  365. </li>
    366. 

  366. </ul>
    367. 

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  372. <h4>getFixedPointIterations</h4>
    373. 

  373. <pre>public&nbsp;int&nbsp;getFixedPointIterations()</pre>
    374. 

  374. <div class="block">Number of outer (fixed-point) iterations in the minimization procedure.
    375. 

  375.  SEE: setFixedPointIterations</div>
    376. 

  376. <dl>
    377. 

  377. <dt><span class="returnLabel">Returns:</span></dt>
    378. 

  378. <dd>automatically generated</dd>
    379. 

  379. </dl>
    380. 

  380. </li>
    381. 

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    382. 

  382. <a name="getGamma--">
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    387. 

  387. <h4>getGamma</h4>
    388. 

  388. <pre>public&nbsp;float&nbsp;getGamma()</pre>
    389. 

  389. <div class="block">Weight of the gradient constancy term
    390. 

  390.  SEE: setGamma</div>
    391. 

  391. <dl>
    392. 

  392. <dt><span class="returnLabel">Returns:</span></dt>
    393. 

  393. <dd>automatically generated</dd>
    394. 

  394. </dl>
    395. 

  395. </li>
    396. 

  396. </ul>
    397. 

  397. <a name="getOmega--">
    398. 

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    402. 

  402. <h4>getOmega</h4>
    403. 

  403. <pre>public&nbsp;float&nbsp;getOmega()</pre>
    404. 

  404. <div class="block">Relaxation factor in SOR
    405. 

  405.  SEE: setOmega</div>
    406. 

  406. <dl>
    407. 

  407. <dt><span class="returnLabel">Returns:</span></dt>
    408. 

  408. <dd>automatically generated</dd>
    409. 

  409. </dl>
    410. 

  410. </li>
    411. 

  411. </ul>
    412. 

  412. <a name="getSorIterations--">
    413. 

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    415. 

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    417. 

  417. <h4>getSorIterations</h4>
    418. 

  418. <pre>public&nbsp;int&nbsp;getSorIterations()</pre>
    419. 

  419. <div class="block">Number of inner successive over-relaxation (SOR) iterations
    420. 

  420.          in the minimization procedure to solve the respective linear system.
    421. 

  421.  SEE: setSorIterations</div>
    422. 

  422. <dl>
    423. 

  423. <dt><span class="returnLabel">Returns:</span></dt>
    424. 

  424. <dd>automatically generated</dd>
    425. 

  425. </dl>
    426. 

  426. </li>
    427. 

  427. </ul>
    428. 

  428. <a name="setAlpha-float-">
    429. 

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  433. <h4>setAlpha</h4>
    434. 

  434. <pre>public&nbsp;void&nbsp;setAlpha(float&nbsp;val)</pre>
    435. 

  435. <div class="block">getAlpha SEE: getAlpha</div>
    436. 

  436. <dl>
    437. 

  437. <dt><span class="paramLabel">Parameters:</span></dt>
    438. 

  438. <dd><code>val</code> - automatically generated</dd>
    439. 

  439. </dl>
    440. 

  440. </li>
    441. 

  441. </ul>
    442. 

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  447. <h4>setDelta</h4>
    448. 

  448. <pre>public&nbsp;void&nbsp;setDelta(float&nbsp;val)</pre>
    449. 

  449. <div class="block">getDelta SEE: getDelta</div>
    450. 

  450. <dl>
    451. 

  451. <dt><span class="paramLabel">Parameters:</span></dt>
    452. 

  452. <dd><code>val</code> - automatically generated</dd>
    453. 

  453. </dl>
    454. 

  454. </li>
    455. 

  455. </ul>
    456. 

  456. <a name="setFixedPointIterations-int-">
    457. 

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    461. 

  461. <h4>setFixedPointIterations</h4>
    462. 

  462. <pre>public&nbsp;void&nbsp;setFixedPointIterations(int&nbsp;val)</pre>
    463. 

  463. <div class="block">getFixedPointIterations SEE: getFixedPointIterations</div>
    464. 

  464. <dl>
    465. 

  465. <dt><span class="paramLabel">Parameters:</span></dt>
    466. 

  466. <dd><code>val</code> - automatically generated</dd>
    467. 

  467. </dl>
    468. 

  468. </li>
    469. 

  469. </ul>
    470. 

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    471. 

  471. <!--   -->
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  475. <h4>setGamma</h4>
    476. 

  476. <pre>public&nbsp;void&nbsp;setGamma(float&nbsp;val)</pre>
    477. 

  477. <div class="block">getGamma SEE: getGamma</div>
    478. 

  478. <dl>
    479. 

  479. <dt><span class="paramLabel">Parameters:</span></dt>
    480. 

  480. <dd><code>val</code> - automatically generated</dd>
    481. 

  481. </dl>
    482. 

  482. </li>
    483. 

  483. </ul>
    484. 

  484. <a name="setOmega-float-">
    485. 

  485. <!--   -->
    486. 

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    487. 

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    488. 

  488. <li class="blockList">
    489. 

  489. <h4>setOmega</h4>
    490. 

  490. <pre>public&nbsp;void&nbsp;setOmega(float&nbsp;val)</pre>
    491. 

  491. <div class="block">getOmega SEE: getOmega</div>
    492. 

  492. <dl>
    493. 

  493. <dt><span class="paramLabel">Parameters:</span></dt>
    494. 

  494. <dd><code>val</code> - automatically generated</dd>
    495. 

  495. </dl>
    496. 

  496. </li>
    497. 

  497. </ul>
    498. 

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    500. 

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    503. 

  503. <h4>setSorIterations</h4>
    504. 

  504. <pre>public&nbsp;void&nbsp;setSorIterations(int&nbsp;val)</pre>
    505. 

  505. <div class="block">getSorIterations SEE: getSorIterations</div>
    506. 

  506. <dl>
    507. 

  507. <dt><span class="paramLabel">Parameters:</span></dt>
    508. 

  508. <dd><code>val</code> - automatically generated</dd>
    509. 

  509. </dl>
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