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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">com.mxgraph.util</a></div>
<h2 title="Class mxSpline1D" class="title">Class mxSpline1D</h2>
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<li>java.lang.Object</li>
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<pre>public class <span class="typeNameLabel">mxSpline1D</span>
extends java.lang.Object</pre>
<div class="block">One dimension of a spline curve</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><code>protected double[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#a">a</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
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<td class="colFirst"><code>protected double[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#b">b</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
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<td class="colFirst"><code>protected double[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#c">c</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>protected double[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#d">d</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
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<td class="colFirst"><code>protected double[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#len">len</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
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<td class="colFirst"><code>protected double[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#pos1D">pos1D</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(double%5B%5D,double%5B%5D)">mxSpline1D</a></span>&#8203;(double[]&nbsp;controlPointProportions,
          double[]&nbsp;positions1D)</code></th>
<td class="colLast">
<div class="block">Creates a new Spline.</div>
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<td class="colFirst"><code>double</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getDx(double)">getDx</a></span>&#8203;(double&nbsp;x)</code></th>
<td class="colLast">
<div class="block">Returns the first derivation at x.</div>
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<td class="colFirst"><code>double</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFastValue(double)">getFastValue</a></span>&#8203;(double&nbsp;x)</code></th>
<td class="colLast">
<div class="block">Returns an interpolated value.</div>
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<td class="colFirst"><code>double</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getValue(double)">getValue</a></span>&#8203;(double&nbsp;x)</code></th>
<td class="colLast">
<div class="block">Returns an interpolated value.</div>
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<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setValues(double%5B%5D,double%5B%5D)">setValues</a></span>&#8203;(double[]&nbsp;controlPointProportions,
         double[]&nbsp;positions1D)</code></th>
<td class="colLast">
<div class="block">Set values for this Spline.</div>
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<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#solve(double%5B%5D%5B%5D,double%5B%5D)">solve</a></span>&#8203;(double[][]&nbsp;A,
     double[]&nbsp;b)</code></th>
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<div class="block">Solves Ax=b and stores the solution in b.</div>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>len</h4>
<pre>protected&nbsp;double[] len</pre>
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<h4>pos1D</h4>
<pre>protected&nbsp;double[] pos1D</pre>
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<h4>a</h4>
<pre>protected&nbsp;double[] a</pre>
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<pre>protected&nbsp;double[] b</pre>
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<pre>protected&nbsp;double[] c</pre>
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<pre>protected&nbsp;double[] d</pre>
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<h4>mxSpline1D</h4>
<pre>public&nbsp;mxSpline1D&#8203;(double[]&nbsp;controlPointProportions,
                  double[]&nbsp;positions1D)</pre>
<div class="block">Creates a new Spline.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>controlPointProportions</code> - the proportion along the curve, from 0->1
                        that each control point lies on</dd>
<dd><code>positions1D</code> - the co-ordinate position in the current dimension that
                        each control point lies on</dd>
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<h4>setValues</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;setValues&#8203;(double[]&nbsp;controlPointProportions,
                      double[]&nbsp;positions1D)</pre>
<div class="block">Set values for this Spline.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>controlPointProportions</code> - the proportion along the curve, from 0->1
                        that each control point lies on</dd>
<dd><code>positions1D</code> - the co-ordinate position in the current dimension that
                        each control point lies on</dd>
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<h4>getValue</h4>
<pre class="methodSignature">public&nbsp;double&nbsp;getValue&#8203;(double&nbsp;x)</pre>
<div class="block">Returns an interpolated value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>x</code> - </dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the interpolated value</dd>
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<h4>getFastValue</h4>
<pre class="methodSignature">public&nbsp;double&nbsp;getFastValue&#8203;(double&nbsp;x)</pre>
<div class="block">Returns an interpolated value. To be used when a long sequence of values
 are required in order, but ensure checkValues() is called beforehand to
 ensure the boundary checks from getValue() are made</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>x</code> - </dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the interpolated value</dd>
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<pre class="methodSignature">public&nbsp;double&nbsp;getDx&#8203;(double&nbsp;x)</pre>
<div class="block">Returns the first derivation at x.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>x</code> - </dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the first derivation at x</dd>
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<h4>solve</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;solve&#8203;(double[][]&nbsp;A,
                  double[]&nbsp;b)</pre>
<div class="block">Solves Ax=b and stores the solution in b.</div>
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