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2026-02-11 10:49:08 +08:00
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<title>GridBoard (OpenCV 4.12.0 Java documentation)</title>
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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.opencv.objdetect</a></div>
<h1 title="Class GridBoard" class="title">Class GridBoard</h1>
</div>
<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
<div class="inheritance"><a href="Board.html" title="class in org.opencv.objdetect">org.opencv.objdetect.Board</a>
<div class="inheritance">org.opencv.objdetect.GridBoard</div>
</div>
</div>
<section class="class-description" id="class-description">
<hr>
<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">GridBoard</span>
<span class="extends-implements">extends <a href="Board.html" title="class in org.opencv.objdetect">Board</a></span></div>
<div class="block">Planar board with grid arrangement of markers
More common type of board. All markers are placed in the same plane in a grid arrangement.
The board image can be drawn using generateImage() method.</div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<li>
<section class="constructor-summary" id="constructor-summary">
<h2>Constructor Summary</h2>
<div class="caption"><span>Constructors</span></div>
<div class="summary-table two-column-summary">
<div class="table-header col-first">Constructor</div>
<div class="table-header col-last">Description</div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(org.opencv.core.Size,float,float,org.opencv.objdetect.Dictionary)" class="member-name-link">GridBoard</a><wbr>(<a href="../core/Size.html" title="class in org.opencv.core">Size</a>&nbsp;size,
float&nbsp;markerLength,
float&nbsp;markerSeparation,
<a href="Dictionary.html" title="class in org.opencv.objdetect">Dictionary</a>&nbsp;dictionary)</code></div>
<div class="col-last even-row-color">
<div class="block">GridBoard constructor</div>
</div>
<div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(org.opencv.core.Size,float,float,org.opencv.objdetect.Dictionary,org.opencv.core.Mat)" class="member-name-link">GridBoard</a><wbr>(<a href="../core/Size.html" title="class in org.opencv.core">Size</a>&nbsp;size,
float&nbsp;markerLength,
float&nbsp;markerSeparation,
<a href="Dictionary.html" title="class in org.opencv.objdetect">Dictionary</a>&nbsp;dictionary,
<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;ids)</code></div>
<div class="col-last odd-row-color">
<div class="block">GridBoard constructor</div>
</div>
</div>
</section>
</li>
<!-- ========== METHOD SUMMARY =========== -->
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<section class="method-summary" id="method-summary">
<h2>Method Summary</h2>
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<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Method</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="GridBoard.html" title="class in org.opencv.objdetect">GridBoard</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#__fromPtr__(long)" class="member-name-link">__fromPtr__</a><wbr>(long&nbsp;addr)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../core/Size.html" title="class in org.opencv.core">Size</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getGridSize()" class="member-name-link">getGridSize</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>float</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getMarkerLength()" class="member-name-link">getMarkerLength</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>float</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getMarkerSeparation()" class="member-name-link">getMarkerSeparation</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.opencv.objdetect.Board">Methods inherited from class&nbsp;org.opencv.objdetect.<a href="Board.html" title="class in org.opencv.objdetect">Board</a></h3>
<code><a href="Board.html#generateImage(org.opencv.core.Size,org.opencv.core.Mat)">generateImage</a>, <a href="Board.html#generateImage(org.opencv.core.Size,org.opencv.core.Mat,int)">generateImage</a>, <a href="Board.html#generateImage(org.opencv.core.Size,org.opencv.core.Mat,int,int)">generateImage</a>, <a href="Board.html#getDictionary()">getDictionary</a>, <a href="Board.html#getIds()">getIds</a>, <a href="Board.html#getNativeObjAddr()">getNativeObjAddr</a>, <a href="Board.html#getObjPoints()">getObjPoints</a>, <a href="Board.html#getRightBottomCorner()">getRightBottomCorner</a>, <a href="Board.html#matchImagePoints(java.util.List,org.opencv.core.Mat,org.opencv.core.Mat,org.opencv.core.Mat)">matchImagePoints</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
</section>
</li>
</ul>
</section>
<section class="details">
<ul class="details-list">
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<li>
<section class="constructor-details" id="constructor-detail">
<h2>Constructor Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="&lt;init&gt;(org.opencv.core.Size,float,float,org.opencv.objdetect.Dictionary,org.opencv.core.Mat)">
<h3>GridBoard</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">GridBoard</span><wbr><span class="parameters">(<a href="../core/Size.html" title="class in org.opencv.core">Size</a>&nbsp;size,
float&nbsp;markerLength,
float&nbsp;markerSeparation,
<a href="Dictionary.html" title="class in org.opencv.objdetect">Dictionary</a>&nbsp;dictionary,
<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;ids)</span></div>
<div class="block">GridBoard constructor</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>size</code> - number of markers in x and y directions</dd>
<dd><code>markerLength</code> - marker side length (normally in meters)</dd>
<dd><code>markerSeparation</code> - separation between two markers (same unit as markerLength)</dd>
<dd><code>dictionary</code> - dictionary of markers indicating the type of markers</dd>
<dd><code>ids</code> - set of marker ids in dictionary to use on board.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(org.opencv.core.Size,float,float,org.opencv.objdetect.Dictionary)">
<h3>GridBoard</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">GridBoard</span><wbr><span class="parameters">(<a href="../core/Size.html" title="class in org.opencv.core">Size</a>&nbsp;size,
float&nbsp;markerLength,
float&nbsp;markerSeparation,
<a href="Dictionary.html" title="class in org.opencv.objdetect">Dictionary</a>&nbsp;dictionary)</span></div>
<div class="block">GridBoard constructor</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>size</code> - number of markers in x and y directions</dd>
<dd><code>markerLength</code> - marker side length (normally in meters)</dd>
<dd><code>markerSeparation</code> - separation between two markers (same unit as markerLength)</dd>
<dd><code>dictionary</code> - dictionary of markers indicating the type of markers</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
<!-- ============ METHOD DETAIL ========== -->
<li>
<section class="method-details" id="method-detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="__fromPtr__(long)">
<h3>__fromPtr__</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="GridBoard.html" title="class in org.opencv.objdetect">GridBoard</a></span>&nbsp;<span class="element-name">__fromPtr__</span><wbr><span class="parameters">(long&nbsp;addr)</span></div>
</section>
</li>
<li>
<section class="detail" id="getGridSize()">
<h3>getGridSize</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../core/Size.html" title="class in org.opencv.core">Size</a></span>&nbsp;<span class="element-name">getGridSize</span>()</div>
</section>
</li>
<li>
<section class="detail" id="getMarkerLength()">
<h3>getMarkerLength</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">float</span>&nbsp;<span class="element-name">getMarkerLength</span>()</div>
</section>
</li>
<li>
<section class="detail" id="getMarkerSeparation()">
<h3>getMarkerSeparation</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">float</span>&nbsp;<span class="element-name">getMarkerSeparation</span>()</div>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
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<p class="legal-copy"><small>Generated on 2025-07-02 13:16:04 / OpenCV 4.12.0</small></p>
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