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<div class="subTitle">org.apache.commons.math3.geometry.spherical.oned</div>
<h2 title="Class S1Point" class="title">Class S1Point</h2>
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<li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<pre>public class <span class="strong">S1Point</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../../../../org/apache/commons/math3/geometry/Point.html" title="interface in org.apache.commons.math3.geometry">Point</a><<a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/Sphere1D.html" title="class in org.apache.commons.math3.geometry.spherical.oned">Sphere1D</a>></pre>
<div class="block">This class represents a point on the 1-sphere.
<p>Instances of this class are guaranteed to be immutable.</p></div>
<dl><dt><span class="strong">Since:</span></dt>
<dd>3.3</dd>
<dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../../serialized-form.html#org.apache.commons.math3.geometry.spherical.oned.S1Point">Serialized Form</a></dd></dl>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>static <a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html" title="class in org.apache.commons.math3.geometry.spherical.oned">S1Point</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html#NaN">NaN</a></strong></code>
<div class="block">A vector with all coordinates set to NaN.</div>
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<td class="colOne"><code><strong><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html#S1Point(double)">S1Point</a></strong>(double alpha)</code>
<div class="block">Simple constructor.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html#distance(org.apache.commons.math3.geometry.Point)">distance</a></strong>(<a href="../../../../../../../org/apache/commons/math3/geometry/Point.html" title="interface in org.apache.commons.math3.geometry">Point</a><<a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/Sphere1D.html" title="class in org.apache.commons.math3.geometry.spherical.oned">Sphere1D</a>> point)</code>
<div class="block">Compute the distance between the instance and another point.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>static double</code></td>
<td class="colLast"><code><strong><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html#distance(org.apache.commons.math3.geometry.spherical.oned.S1Point,%20org.apache.commons.math3.geometry.spherical.oned.S1Point)">distance</a></strong>(<a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html" title="class in org.apache.commons.math3.geometry.spherical.oned">S1Point</a> p1,
<a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html" title="class in org.apache.commons.math3.geometry.spherical.oned">S1Point</a> p2)</code>
<div class="block">Compute the distance (angular separation) between two points.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html#equals(java.lang.Object)">equals</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> other)</code>
<div class="block">Test for the equality of two points on the 2-sphere.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html#getAlpha()">getAlpha</a></strong>()</code>
<div class="block">Get the azimuthal angle \( \alpha \).</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/commons/math3/geometry/Space.html" title="interface in org.apache.commons.math3.geometry">Space</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html#getSpace()">getSpace</a></strong>()</code>
<div class="block">Get the space to which the point belongs.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/commons/math3/geometry/euclidean/twod/Vector2D.html" title="class in org.apache.commons.math3.geometry.euclidean.twod">Vector2D</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html#getVector()">getVector</a></strong>()</code>
<div class="block">Get the corresponding normalized vector in the 2D euclidean space.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html#hashCode()">hashCode</a></strong>()</code>
<div class="block">Get a hashCode for the 2D vector.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html#isNaN()">isNaN</a></strong>()</code>
<div class="block">Returns true if any coordinate of this point is NaN; false otherwise</div>
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<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
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<h4>NaN</h4>
<pre>public static final <a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html" title="class in org.apache.commons.math3.geometry.spherical.oned">S1Point</a> NaN</pre>
<div class="block">A vector with all coordinates set to NaN.</div>
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<h4>S1Point</h4>
<pre>public S1Point(double alpha)</pre>
<div class="block">Simple constructor.
Build a vector from its coordinates</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>alpha</code> - azimuthal angle \( \alpha \)</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html#getAlpha()"><code>getAlpha()</code></a></dd></dl>
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<h4>getAlpha</h4>
<pre>public double getAlpha()</pre>
<div class="block">Get the azimuthal angle \( \alpha \).</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>azimuthal angle \( \alpha \)</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html#S1Point(double)"><code>S1Point(double)</code></a></dd></dl>
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<a name="getVector()">
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<h4>getVector</h4>
<pre>public <a href="../../../../../../../org/apache/commons/math3/geometry/euclidean/twod/Vector2D.html" title="class in org.apache.commons.math3.geometry.euclidean.twod">Vector2D</a> getVector()</pre>
<div class="block">Get the corresponding normalized vector in the 2D euclidean space.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>normalized vector</dd></dl>
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<h4>getSpace</h4>
<pre>public <a href="../../../../../../../org/apache/commons/math3/geometry/Space.html" title="interface in org.apache.commons.math3.geometry">Space</a> getSpace()</pre>
<div class="block">Get the space to which the point belongs.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../../../org/apache/commons/math3/geometry/Point.html#getSpace()">getSpace</a></code> in interface <code><a href="../../../../../../../org/apache/commons/math3/geometry/Point.html" title="interface in org.apache.commons.math3.geometry">Point</a><<a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/Sphere1D.html" title="class in org.apache.commons.math3.geometry.spherical.oned">Sphere1D</a>></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>containing space</dd></dl>
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<h4>isNaN</h4>
<pre>public boolean isNaN()</pre>
<div class="block">Returns true if any coordinate of this point is NaN; false otherwise</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../../../org/apache/commons/math3/geometry/Point.html#isNaN()">isNaN</a></code> in interface <code><a href="../../../../../../../org/apache/commons/math3/geometry/Point.html" title="interface in org.apache.commons.math3.geometry">Point</a><<a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/Sphere1D.html" title="class in org.apache.commons.math3.geometry.spherical.oned">Sphere1D</a>></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>true if any coordinate of this point is NaN; false otherwise</dd></dl>
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<h4>distance</h4>
<pre>public double distance(<a href="../../../../../../../org/apache/commons/math3/geometry/Point.html" title="interface in org.apache.commons.math3.geometry">Point</a><<a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/Sphere1D.html" title="class in org.apache.commons.math3.geometry.spherical.oned">Sphere1D</a>> point)</pre>
<div class="block">Compute the distance between the instance and another point.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../../../org/apache/commons/math3/geometry/Point.html#distance(org.apache.commons.math3.geometry.Point)">distance</a></code> in interface <code><a href="../../../../../../../org/apache/commons/math3/geometry/Point.html" title="interface in org.apache.commons.math3.geometry">Point</a><<a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/Sphere1D.html" title="class in org.apache.commons.math3.geometry.spherical.oned">Sphere1D</a>></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>point</code> - second point</dd>
<dt><span class="strong">Returns:</span></dt><dd>the distance between the instance and p</dd></dl>
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<h4>distance</h4>
<pre>public static double distance(<a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html" title="class in org.apache.commons.math3.geometry.spherical.oned">S1Point</a> p1,
<a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html" title="class in org.apache.commons.math3.geometry.spherical.oned">S1Point</a> p2)</pre>
<div class="block">Compute the distance (angular separation) between two points.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>p1</code> - first vector</dd><dd><code>p2</code> - second vector</dd>
<dt><span class="strong">Returns:</span></dt><dd>the angular separation between p1 and p2</dd></dl>
</li>
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<h4>equals</h4>
<pre>public boolean equals(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> other)</pre>
<div class="block">Test for the equality of two points on the 2-sphere.
<p>
If all coordinates of two points are exactly the same, and none are
<code>Double.NaN</code>, the two points are considered to be equal.
</p>
<p>
<code>NaN</code> coordinates are considered to affect globally the vector
and be equals to each other - i.e, if either (or all) coordinates of the
2D vector are equal to <code>Double.NaN</code>, the 2D vector is equal to
<a href="../../../../../../../org/apache/commons/math3/geometry/spherical/oned/S1Point.html#NaN"><code>NaN</code></a>.
</p></div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a></code> in class <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>other</code> - Object to test for equality to this</dd>
<dt><span class="strong">Returns:</span></dt><dd>true if two points on the 2-sphere objects are equal, false if
object is null, not an instance of S2Point, or
not equal to this S2Point instance</dd></dl>
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<h4>hashCode</h4>
<pre>public int hashCode()</pre>
<div class="block">Get a hashCode for the 2D vector.
<p>
All NaN values have the same hash code.</p></div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a></code> in class <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>a hash code value for this object</dd></dl>
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