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<div class="subTitle">com.mxgraph.util</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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<td class="colFirst"><code>protected double[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxSpline1D.html#a">a</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected double[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxSpline1D.html#b">b</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected double[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxSpline1D.html#c">c</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected double[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxSpline1D.html#d">d</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected double[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxSpline1D.html#len">len</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected double[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxSpline1D.html#pos1D">pos1D</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxSpline1D.html#mxSpline1D-double:A-double:A-">mxSpline1D</a></span>(double[]&nbsp;controlPointProportions,
          double[]&nbsp;positions1D)</code>
<div class="block">Creates a new Spline.</div>
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<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxSpline1D.html#getDx-double-">getDx</a></span>(double&nbsp;x)</code>
<div class="block">Returns the first derivation at x.</div>
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<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxSpline1D.html#getFastValue-double-">getFastValue</a></span>(double&nbsp;x)</code>
<div class="block">Returns an interpolated value.</div>
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<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxSpline1D.html#getValue-double-">getValue</a></span>(double&nbsp;x)</code>
<div class="block">Returns an interpolated value.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxSpline1D.html#setValues-double:A-double:A-">setValues</a></span>(double[]&nbsp;controlPointProportions,
         double[]&nbsp;positions1D)</code>
<div class="block">Set values for this Spline.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxSpline1D.html#solve-double:A:A-double:A-">solve</a></span>(double[][]&nbsp;A,
     double[]&nbsp;b)</code>
<div class="block">Solves Ax=b and stores the solution in b.</div>
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<pre>protected&nbsp;double[] len</pre>
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<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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<pre>public&nbsp;mxSpline1D(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>public&nbsp;void&nbsp;setValues(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>public&nbsp;double&nbsp;getValue(double&nbsp;x)</pre>
<div class="block">Returns an interpolated value.</div>
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<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>public&nbsp;double&nbsp;getFastValue(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>
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<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>public&nbsp;double&nbsp;getDx(double&nbsp;x)</pre>
<div class="block">Returns the first derivation at x.</div>
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<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>public&nbsp;void&nbsp;solve(double[][]&nbsp;A,
                  double[]&nbsp;b)</pre>
<div class="block">Solves Ax=b and stores the solution in b.</div>
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