You are viewing a plain text version of this content. The canonical link for it is here.
Posted to notifications@commons.apache.org by lu...@apache.org on 2015/08/14 21:12:44 UTC
svn commit: r961863 [31/34] - in
/websites/production/commons/content/proper/commons-math: ./ apidocs/
apidocs/org/apache/commons/math3/analysis/class-use/
apidocs/org/apache/commons/math3/analysis/interpolation/
apidocs/org/apache/commons/math3/analys...
Modified: websites/production/commons/content/proper/commons-math/xref/allclasses-frame.html
==============================================================================
--- websites/production/commons/content/proper/commons-math/xref/allclasses-frame.html (original)
+++ websites/production/commons/content/proper/commons-math/xref/allclasses-frame.html Fri Aug 14 19:12:42 2015
@@ -843,6 +843,12 @@
<a href="org/apache/commons/math3/distribution/FDistribution.html" target="classFrame">FDistribution</a>
</li>
<li>
+ <a href="org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html" target="classFrame">Facet</a>
+ </li>
+ <li>
+ <a href="org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html" target="classFrame">FacetData</a>
+ </li>
+ <li>
<a href="org/apache/commons/math3/geometry/euclidean/threed/PolyhedronsSet.html" target="classFrame">FacetsContributionVisitor</a>
</li>
<li>
@@ -1125,6 +1131,12 @@
<a href="org/apache/commons/math3/fitting/leastsquares/LevenbergMarquardtOptimizer.html" target="classFrame">InternalData</a>
</li>
<li>
+ <a href="org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html" target="classFrame">InterpolatingMicrosphere</a>
+ </li>
+ <li>
+ <a href="org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere2D.html" target="classFrame">InterpolatingMicrosphere2D</a>
+ </li>
+ <li>
<a href="org/apache/commons/math3/geometry/partitioning/RegionFactory.html" target="classFrame">IntersectionMerger</a>
</li>
<li>
@@ -1470,6 +1482,9 @@
<a href="org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolator.html" target="classFrame">MicrosphereInterpolator</a>
</li>
<li>
+ <a href="org/apache/commons/math3/analysis/interpolation/MicrosphereProjectionInterpolator.html" target="classFrame">MicrosphereProjectionInterpolator</a>
+ </li>
+ <li>
<a href="org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolatingFunction.html" target="classFrame">MicrosphereSurfaceElement</a>
</li>
<li>
Added: websites/production/commons/content/proper/commons-math/xref/org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html
==============================================================================
--- websites/production/commons/content/proper/commons-math/xref/org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html (added)
+++ websites/production/commons/content/proper/commons-math/xref/org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html Fri Aug 14 19:12:42 2015
@@ -0,0 +1,399 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head><meta http-equiv="content-type" content="text/html; charset=UTF-8" />
+<title>InterpolatingMicrosphere xref</title>
+<link type="text/css" rel="stylesheet" href="../../../../../../stylesheet.css" />
+</head>
+<body>
+<div id="overview"><a href="../../../../../../../apidocs/org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html">View Javadoc</a></div><pre>
+<a class="jxr_linenumber" name="L1" href="#L1">1</a> <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="L2" href="#L2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em>
+<a class="jxr_linenumber" name="L3" href="#L3">3</a> <em class="jxr_comment"> * contributor license agreements. See the NOTICE file distributed with</em>
+<a class="jxr_linenumber" name="L4" href="#L4">4</a> <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em>
+<a class="jxr_linenumber" name="L5" href="#L5">5</a> <em class="jxr_comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em>
+<a class="jxr_linenumber" name="L6" href="#L6">6</a> <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em>
+<a class="jxr_linenumber" name="L7" href="#L7">7</a> <em class="jxr_comment"> * the License. You may obtain a copy of the License at</em>
+<a class="jxr_linenumber" name="L8" href="#L8">8</a> <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="L9" href="#L9">9</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2." target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.</a>0</em>
+<a class="jxr_linenumber" name="L10" href="#L10">10</a> <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="L11" href="#L11">11</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
+<a class="jxr_linenumber" name="L12" href="#L12">12</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
+<a class="jxr_linenumber" name="L13" href="#L13">13</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
+<a class="jxr_linenumber" name="L14" href="#L14">14</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
+<a class="jxr_linenumber" name="L15" href="#L15">15</a> <em class="jxr_comment"> * limitations under the License.</em>
+<a class="jxr_linenumber" name="L16" href="#L16">16</a> <em class="jxr_comment"> */</em>
+<a class="jxr_linenumber" name="L17" href="#L17">17</a> <strong class="jxr_keyword">package</strong> org.apache.commons.math3.analysis.interpolation;
+<a class="jxr_linenumber" name="L18" href="#L18">18</a>
+<a class="jxr_linenumber" name="L19" href="#L19">19</a> <strong class="jxr_keyword">import</strong> java.util.List;
+<a class="jxr_linenumber" name="L20" href="#L20">20</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList;
+<a class="jxr_linenumber" name="L21" href="#L21">21</a> <strong class="jxr_keyword">import</strong> org.apache.commons.math3.random.UnitSphereRandomVectorGenerator;
+<a class="jxr_linenumber" name="L22" href="#L22">22</a> <strong class="jxr_keyword">import</strong> org.apache.commons.math3.exception.DimensionMismatchException;
+<a class="jxr_linenumber" name="L23" href="#L23">23</a> <strong class="jxr_keyword">import</strong> org.apache.commons.math3.exception.NotPositiveException;
+<a class="jxr_linenumber" name="L24" href="#L24">24</a> <strong class="jxr_keyword">import</strong> org.apache.commons.math3.exception.NotStrictlyPositiveException;
+<a class="jxr_linenumber" name="L25" href="#L25">25</a> <strong class="jxr_keyword">import</strong> org.apache.commons.math3.exception.MaxCountExceededException;
+<a class="jxr_linenumber" name="L26" href="#L26">26</a> <strong class="jxr_keyword">import</strong> org.apache.commons.math3.exception.OutOfRangeException;
+<a class="jxr_linenumber" name="L27" href="#L27">27</a> <strong class="jxr_keyword">import</strong> org.apache.commons.math3.util.FastMath;
+<a class="jxr_linenumber" name="L28" href="#L28">28</a> <strong class="jxr_keyword">import</strong> org.apache.commons.math3.util.MathArrays;
+<a class="jxr_linenumber" name="L29" href="#L29">29</a>
+<a class="jxr_linenumber" name="L30" href="#L30">30</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L31" href="#L31">31</a> <em class="jxr_javadoccomment"> * Utility class for the {@link MicrosphereProjectionInterpolator} algorithm.</em>
+<a class="jxr_linenumber" name="L32" href="#L32">32</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L33" href="#L33">33</a> <em class="jxr_javadoccomment"> * @since 3.6</em>
+<a class="jxr_linenumber" name="L34" href="#L34">34</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L35" href="#L35">35</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html">InterpolatingMicrosphere</a> {
+<a class="jxr_linenumber" name="L36" href="#L36">36</a> <em class="jxr_javadoccomment">/** Microsphere. */</em>
+<a class="jxr_linenumber" name="L37" href="#L37">37</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> List<Facet> microsphere;
+<a class="jxr_linenumber" name="L38" href="#L38">38</a> <em class="jxr_javadoccomment">/** Microsphere data. */</em>
+<a class="jxr_linenumber" name="L39" href="#L39">39</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> List<FacetData> microsphereData;
+<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment">/** Space dimension. */</em>
+<a class="jxr_linenumber" name="L41" href="#L41">41</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> dimension;
+<a class="jxr_linenumber" name="L42" href="#L42">42</a> <em class="jxr_javadoccomment">/** Number of surface elements. */</em>
+<a class="jxr_linenumber" name="L43" href="#L43">43</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size;
+<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_javadoccomment">/** Maximum fraction of the facets that can be dark. */</em>
+<a class="jxr_linenumber" name="L45" href="#L45">45</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> maxDarkFraction;
+<a class="jxr_linenumber" name="L46" href="#L46">46</a> <em class="jxr_javadoccomment">/** Lowest non-zero illumination. */</em>
+<a class="jxr_linenumber" name="L47" href="#L47">47</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> darkThreshold;
+<a class="jxr_linenumber" name="L48" href="#L48">48</a> <em class="jxr_javadoccomment">/** Background value. */</em>
+<a class="jxr_linenumber" name="L49" href="#L49">49</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> background;
+<a class="jxr_linenumber" name="L50" href="#L50">50</a>
+<a class="jxr_linenumber" name="L51" href="#L51">51</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L52" href="#L52">52</a> <em class="jxr_javadoccomment"> * Create an unitialiazed sphere.</em>
+<a class="jxr_linenumber" name="L53" href="#L53">53</a> <em class="jxr_javadoccomment"> * Sub-classes are responsible for calling the {@code add(double[]) add}</em>
+<a class="jxr_linenumber" name="L54" href="#L54">54</a> <em class="jxr_javadoccomment"> * method in order to initialize all the sphere's facets.</em>
+<a class="jxr_linenumber" name="L55" href="#L55">55</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L56" href="#L56">56</a> <em class="jxr_javadoccomment"> * @param dimension Dimension of the data space.</em>
+<a class="jxr_linenumber" name="L57" href="#L57">57</a> <em class="jxr_javadoccomment"> * @param size Number of surface elements of the sphere.</em>
+<a class="jxr_linenumber" name="L58" href="#L58">58</a> <em class="jxr_javadoccomment"> * @param maxDarkFraction Maximum fraction of the facets that can be dark.</em>
+<a class="jxr_linenumber" name="L59" href="#L59">59</a> <em class="jxr_javadoccomment"> * If the fraction of "non-illuminated" facets is larger, no estimation</em>
+<a class="jxr_linenumber" name="L60" href="#L60">60</a> <em class="jxr_javadoccomment"> * of the value will be performed, and the {@code background} value will</em>
+<a class="jxr_linenumber" name="L61" href="#L61">61</a> <em class="jxr_javadoccomment"> * be returned instead.</em>
+<a class="jxr_linenumber" name="L62" href="#L62">62</a> <em class="jxr_javadoccomment"> * @param darkThreshold Value of the illumination below which a facet is</em>
+<a class="jxr_linenumber" name="L63" href="#L63">63</a> <em class="jxr_javadoccomment"> * considered dark.</em>
+<a class="jxr_linenumber" name="L64" href="#L64">64</a> <em class="jxr_javadoccomment"> * @param background Value returned when the {@code maxDarkFraction}</em>
+<a class="jxr_linenumber" name="L65" href="#L65">65</a> <em class="jxr_javadoccomment"> * threshold is exceeded.</em>
+<a class="jxr_linenumber" name="L66" href="#L66">66</a> <em class="jxr_javadoccomment"> * @throws NotStrictlyPositiveException if {@code dimension <= 0}</em>
+<a class="jxr_linenumber" name="L67" href="#L67">67</a> <em class="jxr_javadoccomment"> * or {@code size <= 0}.</em>
+<a class="jxr_linenumber" name="L68" href="#L68">68</a> <em class="jxr_javadoccomment"> * @throws NotPositiveException if {@code darkThreshold < 0}.</em>
+<a class="jxr_linenumber" name="L69" href="#L69">69</a> <em class="jxr_javadoccomment"> * @throws OutOfRangeException if {@code maxDarkFraction} does not</em>
+<a class="jxr_linenumber" name="L70" href="#L70">70</a> <em class="jxr_javadoccomment"> * belong to the interval {@code [0, 1]}.</em>
+<a class="jxr_linenumber" name="L71" href="#L71">71</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L72" href="#L72">72</a> <strong class="jxr_keyword">protected</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html">InterpolatingMicrosphere</a>(<strong class="jxr_keyword">int</strong> dimension,
+<a class="jxr_linenumber" name="L73" href="#L73">73</a> <strong class="jxr_keyword">int</strong> size,
+<a class="jxr_linenumber" name="L74" href="#L74">74</a> <strong class="jxr_keyword">double</strong> maxDarkFraction,
+<a class="jxr_linenumber" name="L75" href="#L75">75</a> <strong class="jxr_keyword">double</strong> darkThreshold,
+<a class="jxr_linenumber" name="L76" href="#L76">76</a> <strong class="jxr_keyword">double</strong> background) {
+<a class="jxr_linenumber" name="L77" href="#L77">77</a> <strong class="jxr_keyword">if</strong> (dimension <= 0) {
+<a class="jxr_linenumber" name="L78" href="#L78">78</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html">NotStrictlyPositiveException</a>(dimension);
+<a class="jxr_linenumber" name="L79" href="#L79">79</a> }
+<a class="jxr_linenumber" name="L80" href="#L80">80</a> <strong class="jxr_keyword">if</strong> (size <= 0) {
+<a class="jxr_linenumber" name="L81" href="#L81">81</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html">NotStrictlyPositiveException</a>(size);
+<a class="jxr_linenumber" name="L82" href="#L82">82</a> }
+<a class="jxr_linenumber" name="L83" href="#L83">83</a> <strong class="jxr_keyword">if</strong> (maxDarkFraction < 0 ||
+<a class="jxr_linenumber" name="L84" href="#L84">84</a> maxDarkFraction > 1) {
+<a class="jxr_linenumber" name="L85" href="#L85">85</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/OutOfRangeException.html">OutOfRangeException</a>(maxDarkFraction, 0, 1);
+<a class="jxr_linenumber" name="L86" href="#L86">86</a> }
+<a class="jxr_linenumber" name="L87" href="#L87">87</a> <strong class="jxr_keyword">if</strong> (darkThreshold < 0) {
+<a class="jxr_linenumber" name="L88" href="#L88">88</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/NotPositiveException.html">NotPositiveException</a>(darkThreshold);
+<a class="jxr_linenumber" name="L89" href="#L89">89</a> }
+<a class="jxr_linenumber" name="L90" href="#L90">90</a>
+<a class="jxr_linenumber" name="L91" href="#L91">91</a> <strong class="jxr_keyword">this</strong>.dimension = dimension;
+<a class="jxr_linenumber" name="L92" href="#L92">92</a> <strong class="jxr_keyword">this</strong>.size = size;
+<a class="jxr_linenumber" name="L93" href="#L93">93</a> <strong class="jxr_keyword">this</strong>.maxDarkFraction = maxDarkFraction;
+<a class="jxr_linenumber" name="L94" href="#L94">94</a> <strong class="jxr_keyword">this</strong>.darkThreshold = darkThreshold;
+<a class="jxr_linenumber" name="L95" href="#L95">95</a> <strong class="jxr_keyword">this</strong>.background = background;
+<a class="jxr_linenumber" name="L96" href="#L96">96</a> microsphere = <strong class="jxr_keyword">new</strong> ArrayList<Facet>(size);
+<a class="jxr_linenumber" name="L97" href="#L97">97</a> microsphereData = <strong class="jxr_keyword">new</strong> ArrayList<FacetData>(size);
+<a class="jxr_linenumber" name="L98" href="#L98">98</a> }
+<a class="jxr_linenumber" name="L99" href="#L99">99</a>
+<a class="jxr_linenumber" name="L100" href="#L100">100</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L101" href="#L101">101</a> <em class="jxr_javadoccomment"> * Create a sphere from randomly sampled vectors.</em>
+<a class="jxr_linenumber" name="L102" href="#L102">102</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L103" href="#L103">103</a> <em class="jxr_javadoccomment"> * @param dimension Dimension of the data space.</em>
+<a class="jxr_linenumber" name="L104" href="#L104">104</a> <em class="jxr_javadoccomment"> * @param size Number of surface elements of the sphere.</em>
+<a class="jxr_linenumber" name="L105" href="#L105">105</a> <em class="jxr_javadoccomment"> * @param rand Unit vector generator for creating the microsphere.</em>
+<a class="jxr_linenumber" name="L106" href="#L106">106</a> <em class="jxr_javadoccomment"> * @param maxDarkFraction Maximum fraction of the facets that can be dark.</em>
+<a class="jxr_linenumber" name="L107" href="#L107">107</a> <em class="jxr_javadoccomment"> * If the fraction of "non-illuminated" facets is larger, no estimation</em>
+<a class="jxr_linenumber" name="L108" href="#L108">108</a> <em class="jxr_javadoccomment"> * of the value will be performed, and the {@code background} value will</em>
+<a class="jxr_linenumber" name="L109" href="#L109">109</a> <em class="jxr_javadoccomment"> * be returned instead.</em>
+<a class="jxr_linenumber" name="L110" href="#L110">110</a> <em class="jxr_javadoccomment"> * @param darkThreshold Value of the illumination below which a facet</em>
+<a class="jxr_linenumber" name="L111" href="#L111">111</a> <em class="jxr_javadoccomment"> * is considered dark.</em>
+<a class="jxr_linenumber" name="L112" href="#L112">112</a> <em class="jxr_javadoccomment"> * @param background Value returned when the {@code maxDarkFraction}</em>
+<a class="jxr_linenumber" name="L113" href="#L113">113</a> <em class="jxr_javadoccomment"> * threshold is exceeded.</em>
+<a class="jxr_linenumber" name="L114" href="#L114">114</a> <em class="jxr_javadoccomment"> * @throws DimensionMismatchException if the size of the generated</em>
+<a class="jxr_linenumber" name="L115" href="#L115">115</a> <em class="jxr_javadoccomment"> * vectors does not match the dimension set in the constructor.</em>
+<a class="jxr_linenumber" name="L116" href="#L116">116</a> <em class="jxr_javadoccomment"> * @throws NotStrictlyPositiveException if {@code dimension <= 0}</em>
+<a class="jxr_linenumber" name="L117" href="#L117">117</a> <em class="jxr_javadoccomment"> * or {@code size <= 0}.</em>
+<a class="jxr_linenumber" name="L118" href="#L118">118</a> <em class="jxr_javadoccomment"> * @throws NotPositiveException if {@code darkThreshold < 0}.</em>
+<a class="jxr_linenumber" name="L119" href="#L119">119</a> <em class="jxr_javadoccomment"> * @throws OutOfRangeException if {@code maxDarkFraction} does not</em>
+<a class="jxr_linenumber" name="L120" href="#L120">120</a> <em class="jxr_javadoccomment"> * belong to the interval {@code [0, 1]}.</em>
+<a class="jxr_linenumber" name="L121" href="#L121">121</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L122" href="#L122">122</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html">InterpolatingMicrosphere</a>(<strong class="jxr_keyword">int</strong> dimension,
+<a class="jxr_linenumber" name="L123" href="#L123">123</a> <strong class="jxr_keyword">int</strong> size,
+<a class="jxr_linenumber" name="L124" href="#L124">124</a> <strong class="jxr_keyword">double</strong> maxDarkFraction,
+<a class="jxr_linenumber" name="L125" href="#L125">125</a> <strong class="jxr_keyword">double</strong> darkThreshold,
+<a class="jxr_linenumber" name="L126" href="#L126">126</a> <strong class="jxr_keyword">double</strong> background,
+<a class="jxr_linenumber" name="L127" href="#L127">127</a> <a href="../../../../../../org/apache/commons/math3/random/UnitSphereRandomVectorGenerator.html">UnitSphereRandomVectorGenerator</a> rand) {
+<a class="jxr_linenumber" name="L128" href="#L128">128</a> <strong class="jxr_keyword">this</strong>(dimension, size, maxDarkFraction, darkThreshold, background);
+<a class="jxr_linenumber" name="L129" href="#L129">129</a>
+<a class="jxr_linenumber" name="L130" href="#L130">130</a> <em class="jxr_comment">// Generate the microsphere normals, assuming that a number of</em>
+<a class="jxr_linenumber" name="L131" href="#L131">131</a> <em class="jxr_comment">// randomly generated normals will represent a sphere.</em>
+<a class="jxr_linenumber" name="L132" href="#L132">132</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < size; i++) {
+<a class="jxr_linenumber" name="L133" href="#L133">133</a> add(rand.nextVector(), false);
+<a class="jxr_linenumber" name="L134" href="#L134">134</a> }
+<a class="jxr_linenumber" name="L135" href="#L135">135</a> }
+<a class="jxr_linenumber" name="L136" href="#L136">136</a>
+<a class="jxr_linenumber" name="L137" href="#L137">137</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L138" href="#L138">138</a> <em class="jxr_javadoccomment"> * Copy constructor.</em>
+<a class="jxr_linenumber" name="L139" href="#L139">139</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L140" href="#L140">140</a> <em class="jxr_javadoccomment"> * @param other Instance to copy.</em>
+<a class="jxr_linenumber" name="L141" href="#L141">141</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L142" href="#L142">142</a> <strong class="jxr_keyword">protected</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html">InterpolatingMicrosphere</a>(<a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html">InterpolatingMicrosphere</a> other) {
+<a class="jxr_linenumber" name="L143" href="#L143">143</a> dimension = other.dimension;
+<a class="jxr_linenumber" name="L144" href="#L144">144</a> size = other.size;
+<a class="jxr_linenumber" name="L145" href="#L145">145</a> maxDarkFraction = other.maxDarkFraction;
+<a class="jxr_linenumber" name="L146" href="#L146">146</a> darkThreshold = other.darkThreshold;
+<a class="jxr_linenumber" name="L147" href="#L147">147</a> background = other.background;
+<a class="jxr_linenumber" name="L148" href="#L148">148</a>
+<a class="jxr_linenumber" name="L149" href="#L149">149</a> <em class="jxr_comment">// Field can be shared.</em>
+<a class="jxr_linenumber" name="L150" href="#L150">150</a> microsphere = other.microsphere;
+<a class="jxr_linenumber" name="L151" href="#L151">151</a>
+<a class="jxr_linenumber" name="L152" href="#L152">152</a> <em class="jxr_comment">// Field must be copied.</em>
+<a class="jxr_linenumber" name="L153" href="#L153">153</a> microsphereData = <strong class="jxr_keyword">new</strong> ArrayList<FacetData>(size);
+<a class="jxr_linenumber" name="L154" href="#L154">154</a> <strong class="jxr_keyword">for</strong> (FacetData fd : other.microsphereData) {
+<a class="jxr_linenumber" name="L155" href="#L155">155</a> microsphereData.add(<strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html">FacetData</a>(fd.illumination(), fd.sample()));
+<a class="jxr_linenumber" name="L156" href="#L156">156</a> }
+<a class="jxr_linenumber" name="L157" href="#L157">157</a> }
+<a class="jxr_linenumber" name="L158" href="#L158">158</a>
+<a class="jxr_linenumber" name="L159" href="#L159">159</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L160" href="#L160">160</a> <em class="jxr_javadoccomment"> * Perform a copy.</em>
+<a class="jxr_linenumber" name="L161" href="#L161">161</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L162" href="#L162">162</a> <em class="jxr_javadoccomment"> * @return a copy of this instance.</em>
+<a class="jxr_linenumber" name="L163" href="#L163">163</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L164" href="#L164">164</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html">InterpolatingMicrosphere</a> copy() {
+<a class="jxr_linenumber" name="L165" href="#L165">165</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html">InterpolatingMicrosphere</a>(<strong class="jxr_keyword">this</strong>);
+<a class="jxr_linenumber" name="L166" href="#L166">166</a> }
+<a class="jxr_linenumber" name="L167" href="#L167">167</a>
+<a class="jxr_linenumber" name="L168" href="#L168">168</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L169" href="#L169">169</a> <em class="jxr_javadoccomment"> * Get the space dimensionality.</em>
+<a class="jxr_linenumber" name="L170" href="#L170">170</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L171" href="#L171">171</a> <em class="jxr_javadoccomment"> * @return the number of space dimensions.</em>
+<a class="jxr_linenumber" name="L172" href="#L172">172</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L173" href="#L173">173</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getDimension() {
+<a class="jxr_linenumber" name="L174" href="#L174">174</a> <strong class="jxr_keyword">return</strong> dimension;
+<a class="jxr_linenumber" name="L175" href="#L175">175</a> }
+<a class="jxr_linenumber" name="L176" href="#L176">176</a>
+<a class="jxr_linenumber" name="L177" href="#L177">177</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L178" href="#L178">178</a> <em class="jxr_javadoccomment"> * Get the size of the sphere.</em>
+<a class="jxr_linenumber" name="L179" href="#L179">179</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L180" href="#L180">180</a> <em class="jxr_javadoccomment"> * @return the number of surface elements of the microspshere.</em>
+<a class="jxr_linenumber" name="L181" href="#L181">181</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L182" href="#L182">182</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getSize() {
+<a class="jxr_linenumber" name="L183" href="#L183">183</a> <strong class="jxr_keyword">return</strong> size;
+<a class="jxr_linenumber" name="L184" href="#L184">184</a> }
+<a class="jxr_linenumber" name="L185" href="#L185">185</a>
+<a class="jxr_linenumber" name="L186" href="#L186">186</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L187" href="#L187">187</a> <em class="jxr_javadoccomment"> * Estimate the value at the requested location.</em>
+<a class="jxr_linenumber" name="L188" href="#L188">188</a> <em class="jxr_javadoccomment"> * This microsphere is placed at the given {@code point}, contribution</em>
+<a class="jxr_linenumber" name="L189" href="#L189">189</a> <em class="jxr_javadoccomment"> * of the given {@code samplePoints} to each sphere facet is computed</em>
+<a class="jxr_linenumber" name="L190" href="#L190">190</a> <em class="jxr_javadoccomment"> * (illumination) and the interpolation is performed (integration of</em>
+<a class="jxr_linenumber" name="L191" href="#L191">191</a> <em class="jxr_javadoccomment"> * the illumination).</em>
+<a class="jxr_linenumber" name="L192" href="#L192">192</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L193" href="#L193">193</a> <em class="jxr_javadoccomment"> * @param point Interpolation point.</em>
+<a class="jxr_linenumber" name="L194" href="#L194">194</a> <em class="jxr_javadoccomment"> * @param samplePoints Sampling data points.</em>
+<a class="jxr_linenumber" name="L195" href="#L195">195</a> <em class="jxr_javadoccomment"> * @param sampleValues Sampling data values at the corresponding</em>
+<a class="jxr_linenumber" name="L196" href="#L196">196</a> <em class="jxr_javadoccomment"> * {@code samplePoints}.</em>
+<a class="jxr_linenumber" name="L197" href="#L197">197</a> <em class="jxr_javadoccomment"> * @param exponent Exponent used in the power law that computes</em>
+<a class="jxr_linenumber" name="L198" href="#L198">198</a> <em class="jxr_javadoccomment"> * the weights (distance dimming factor) of the sample data.</em>
+<a class="jxr_linenumber" name="L199" href="#L199">199</a> <em class="jxr_javadoccomment"> * @param noInterpolationTolerance When the distance between the</em>
+<a class="jxr_linenumber" name="L200" href="#L200">200</a> <em class="jxr_javadoccomment"> * {@code point} and one of the {@code samplePoints} is less than</em>
+<a class="jxr_linenumber" name="L201" href="#L201">201</a> <em class="jxr_javadoccomment"> * this value, no interpolation will be performed, and the value</em>
+<a class="jxr_linenumber" name="L202" href="#L202">202</a> <em class="jxr_javadoccomment"> * of the sample will just be returned.</em>
+<a class="jxr_linenumber" name="L203" href="#L203">203</a> <em class="jxr_javadoccomment"> * @return the estimated value at the given {@code point}.</em>
+<a class="jxr_linenumber" name="L204" href="#L204">204</a> <em class="jxr_javadoccomment"> * @throws NotPositiveException if {@code exponent < 0}.</em>
+<a class="jxr_linenumber" name="L205" href="#L205">205</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L206" href="#L206">206</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">double</strong> value(<strong class="jxr_keyword">double</strong>[] point,
+<a class="jxr_linenumber" name="L207" href="#L207">207</a> <strong class="jxr_keyword">double</strong>[][] samplePoints,
+<a class="jxr_linenumber" name="L208" href="#L208">208</a> <strong class="jxr_keyword">double</strong>[] sampleValues,
+<a class="jxr_linenumber" name="L209" href="#L209">209</a> <strong class="jxr_keyword">double</strong> exponent,
+<a class="jxr_linenumber" name="L210" href="#L210">210</a> <strong class="jxr_keyword">double</strong> noInterpolationTolerance) {
+<a class="jxr_linenumber" name="L211" href="#L211">211</a> <strong class="jxr_keyword">if</strong> (exponent < 0) {
+<a class="jxr_linenumber" name="L212" href="#L212">212</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/NotPositiveException.html">NotPositiveException</a>(exponent);
+<a class="jxr_linenumber" name="L213" href="#L213">213</a> }
+<a class="jxr_linenumber" name="L214" href="#L214">214</a>
+<a class="jxr_linenumber" name="L215" href="#L215">215</a> clear();
+<a class="jxr_linenumber" name="L216" href="#L216">216</a>
+<a class="jxr_linenumber" name="L217" href="#L217">217</a> <em class="jxr_comment">// Contribution of each sample point to the illumination of the</em>
+<a class="jxr_linenumber" name="L218" href="#L218">218</a> <em class="jxr_comment">// microsphere's facets.</em>
+<a class="jxr_linenumber" name="L219" href="#L219">219</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> numSamples = samplePoints.length;
+<a class="jxr_linenumber" name="L220" href="#L220">220</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < numSamples; i++) {
+<a class="jxr_linenumber" name="L221" href="#L221">221</a> <em class="jxr_comment">// Vector between interpolation point and current sample point.</em>
+<a class="jxr_linenumber" name="L222" href="#L222">222</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] diff = MathArrays.ebeSubtract(samplePoints[i], point);
+<a class="jxr_linenumber" name="L223" href="#L223">223</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> diffNorm = MathArrays.safeNorm(diff);
+<a class="jxr_linenumber" name="L224" href="#L224">224</a>
+<a class="jxr_linenumber" name="L225" href="#L225">225</a> <strong class="jxr_keyword">if</strong> (FastMath.abs(diffNorm) < noInterpolationTolerance) {
+<a class="jxr_linenumber" name="L226" href="#L226">226</a> <em class="jxr_comment">// No need to interpolate, as the interpolation point is</em>
+<a class="jxr_linenumber" name="L227" href="#L227">227</a> <em class="jxr_comment">// actually (very close to) one of the sampled points.</em>
+<a class="jxr_linenumber" name="L228" href="#L228">228</a> <strong class="jxr_keyword">return</strong> sampleValues[i];
+<a class="jxr_linenumber" name="L229" href="#L229">229</a> }
+<a class="jxr_linenumber" name="L230" href="#L230">230</a>
+<a class="jxr_linenumber" name="L231" href="#L231">231</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> weight = FastMath.pow(diffNorm, -exponent);
+<a class="jxr_linenumber" name="L232" href="#L232">232</a> illuminate(diff, sampleValues[i], weight);
+<a class="jxr_linenumber" name="L233" href="#L233">233</a> }
+<a class="jxr_linenumber" name="L234" href="#L234">234</a>
+<a class="jxr_linenumber" name="L235" href="#L235">235</a> <strong class="jxr_keyword">return</strong> interpolate();
+<a class="jxr_linenumber" name="L236" href="#L236">236</a> }
+<a class="jxr_linenumber" name="L237" href="#L237">237</a>
+<a class="jxr_linenumber" name="L238" href="#L238">238</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L239" href="#L239">239</a> <em class="jxr_javadoccomment"> * Replace {@code i}-th facet of the microsphere.</em>
+<a class="jxr_linenumber" name="L240" href="#L240">240</a> <em class="jxr_javadoccomment"> * Method for initializing the microsphere facets.</em>
+<a class="jxr_linenumber" name="L241" href="#L241">241</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L242" href="#L242">242</a> <em class="jxr_javadoccomment"> * @param normal Facet's normal vector.</em>
+<a class="jxr_linenumber" name="L243" href="#L243">243</a> <em class="jxr_javadoccomment"> * @param copy Whether to copy the given array.</em>
+<a class="jxr_linenumber" name="L244" href="#L244">244</a> <em class="jxr_javadoccomment"> * @throws DimensionMismatchException if the length of {@code n}</em>
+<a class="jxr_linenumber" name="L245" href="#L245">245</a> <em class="jxr_javadoccomment"> * does not match the space dimension.</em>
+<a class="jxr_linenumber" name="L246" href="#L246">246</a> <em class="jxr_javadoccomment"> * @throws MaxCountExceededException if the method has been called</em>
+<a class="jxr_linenumber" name="L247" href="#L247">247</a> <em class="jxr_javadoccomment"> * more times than the size of the sphere.</em>
+<a class="jxr_linenumber" name="L248" href="#L248">248</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L249" href="#L249">249</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> add(<strong class="jxr_keyword">double</strong>[] normal,
+<a class="jxr_linenumber" name="L250" href="#L250">250</a> <strong class="jxr_keyword">boolean</strong> copy) {
+<a class="jxr_linenumber" name="L251" href="#L251">251</a> <strong class="jxr_keyword">if</strong> (microsphere.size() >= size) {
+<a class="jxr_linenumber" name="L252" href="#L252">252</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/MaxCountExceededException.html">MaxCountExceededException</a>(size);
+<a class="jxr_linenumber" name="L253" href="#L253">253</a> }
+<a class="jxr_linenumber" name="L254" href="#L254">254</a> <strong class="jxr_keyword">if</strong> (normal.length > dimension) {
+<a class="jxr_linenumber" name="L255" href="#L255">255</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html">DimensionMismatchException</a>(normal.length, dimension);
+<a class="jxr_linenumber" name="L256" href="#L256">256</a> }
+<a class="jxr_linenumber" name="L257" href="#L257">257</a>
+<a class="jxr_linenumber" name="L258" href="#L258">258</a> microsphere.add(<strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html">Facet</a>(copy ? normal.clone() : normal));
+<a class="jxr_linenumber" name="L259" href="#L259">259</a> microsphereData.add(<strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html">FacetData</a>(0d, 0d));
+<a class="jxr_linenumber" name="L260" href="#L260">260</a> }
+<a class="jxr_linenumber" name="L261" href="#L261">261</a>
+<a class="jxr_linenumber" name="L262" href="#L262">262</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L263" href="#L263">263</a> <em class="jxr_javadoccomment"> * Interpolation.</em>
+<a class="jxr_linenumber" name="L264" href="#L264">264</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L265" href="#L265">265</a> <em class="jxr_javadoccomment"> * @return the value estimated from the current illumination of the</em>
+<a class="jxr_linenumber" name="L266" href="#L266">266</a> <em class="jxr_javadoccomment"> * microsphere.</em>
+<a class="jxr_linenumber" name="L267" href="#L267">267</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L268" href="#L268">268</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">double</strong> interpolate() {
+<a class="jxr_linenumber" name="L269" href="#L269">269</a> <em class="jxr_comment">// Number of non-illuminated facets.</em>
+<a class="jxr_linenumber" name="L270" href="#L270">270</a> <strong class="jxr_keyword">int</strong> darkCount = 0;
+<a class="jxr_linenumber" name="L271" href="#L271">271</a>
+<a class="jxr_linenumber" name="L272" href="#L272">272</a> <strong class="jxr_keyword">double</strong> value = 0;
+<a class="jxr_linenumber" name="L273" href="#L273">273</a> <strong class="jxr_keyword">double</strong> totalWeight = 0;
+<a class="jxr_linenumber" name="L274" href="#L274">274</a> <strong class="jxr_keyword">for</strong> (FacetData fd : microsphereData) {
+<a class="jxr_linenumber" name="L275" href="#L275">275</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> iV = fd.illumination();
+<a class="jxr_linenumber" name="L276" href="#L276">276</a> <strong class="jxr_keyword">if</strong> (iV != 0d) {
+<a class="jxr_linenumber" name="L277" href="#L277">277</a> value += iV * fd.sample();
+<a class="jxr_linenumber" name="L278" href="#L278">278</a> totalWeight += iV;
+<a class="jxr_linenumber" name="L279" href="#L279">279</a> } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="L280" href="#L280">280</a> ++darkCount;
+<a class="jxr_linenumber" name="L281" href="#L281">281</a> }
+<a class="jxr_linenumber" name="L282" href="#L282">282</a> }
+<a class="jxr_linenumber" name="L283" href="#L283">283</a>
+<a class="jxr_linenumber" name="L284" href="#L284">284</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> darkFraction = darkCount / (<strong class="jxr_keyword">double</strong>) size;
+<a class="jxr_linenumber" name="L285" href="#L285">285</a>
+<a class="jxr_linenumber" name="L286" href="#L286">286</a> <strong class="jxr_keyword">return</strong> darkFraction <= maxDarkFraction ?
+<a class="jxr_linenumber" name="L287" href="#L287">287</a> value / totalWeight :
+<a class="jxr_linenumber" name="L288" href="#L288">288</a> background;
+<a class="jxr_linenumber" name="L289" href="#L289">289</a> }
+<a class="jxr_linenumber" name="L290" href="#L290">290</a>
+<a class="jxr_linenumber" name="L291" href="#L291">291</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L292" href="#L292">292</a> <em class="jxr_javadoccomment"> * Illumination.</em>
+<a class="jxr_linenumber" name="L293" href="#L293">293</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L294" href="#L294">294</a> <em class="jxr_javadoccomment"> * @param sampleDirection Vector whose origin is at the interpolation</em>
+<a class="jxr_linenumber" name="L295" href="#L295">295</a> <em class="jxr_javadoccomment"> * point and tail is at the sample location.</em>
+<a class="jxr_linenumber" name="L296" href="#L296">296</a> <em class="jxr_javadoccomment"> * @param sampleValue Data value of the sample.</em>
+<a class="jxr_linenumber" name="L297" href="#L297">297</a> <em class="jxr_javadoccomment"> * @param weight Weight.</em>
+<a class="jxr_linenumber" name="L298" href="#L298">298</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L299" href="#L299">299</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> illuminate(<strong class="jxr_keyword">double</strong>[] sampleDirection,
+<a class="jxr_linenumber" name="L300" href="#L300">300</a> <strong class="jxr_keyword">double</strong> sampleValue,
+<a class="jxr_linenumber" name="L301" href="#L301">301</a> <strong class="jxr_keyword">double</strong> weight) {
+<a class="jxr_linenumber" name="L302" href="#L302">302</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < size; i++) {
+<a class="jxr_linenumber" name="L303" href="#L303">303</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] n = microsphere.get(i).getNormal();
+<a class="jxr_linenumber" name="L304" href="#L304">304</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> cos = MathArrays.cosAngle(n, sampleDirection);
+<a class="jxr_linenumber" name="L305" href="#L305">305</a>
+<a class="jxr_linenumber" name="L306" href="#L306">306</a> <strong class="jxr_keyword">if</strong> (cos > 0) {
+<a class="jxr_linenumber" name="L307" href="#L307">307</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> illumination = cos * weight;
+<a class="jxr_linenumber" name="L308" href="#L308">308</a>
+<a class="jxr_linenumber" name="L309" href="#L309">309</a> <strong class="jxr_keyword">if</strong> (illumination > darkThreshold &&
+<a class="jxr_linenumber" name="L310" href="#L310">310</a> illumination > microsphereData.get(i).illumination()) {
+<a class="jxr_linenumber" name="L311" href="#L311">311</a> microsphereData.set(i, <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html">FacetData</a>(illumination, sampleValue));
+<a class="jxr_linenumber" name="L312" href="#L312">312</a> }
+<a class="jxr_linenumber" name="L313" href="#L313">313</a> }
+<a class="jxr_linenumber" name="L314" href="#L314">314</a> }
+<a class="jxr_linenumber" name="L315" href="#L315">315</a> }
+<a class="jxr_linenumber" name="L316" href="#L316">316</a>
+<a class="jxr_linenumber" name="L317" href="#L317">317</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L318" href="#L318">318</a> <em class="jxr_javadoccomment"> * Reset the all the {@link Facet facets} data to zero.</em>
+<a class="jxr_linenumber" name="L319" href="#L319">319</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L320" href="#L320">320</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> clear() {
+<a class="jxr_linenumber" name="L321" href="#L321">321</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < size; i++) {
+<a class="jxr_linenumber" name="L322" href="#L322">322</a> microsphereData.set(i, <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html">FacetData</a>(0d, 0d));
+<a class="jxr_linenumber" name="L323" href="#L323">323</a> }
+<a class="jxr_linenumber" name="L324" href="#L324">324</a> }
+<a class="jxr_linenumber" name="L325" href="#L325">325</a>
+<a class="jxr_linenumber" name="L326" href="#L326">326</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L327" href="#L327">327</a> <em class="jxr_javadoccomment"> * Microsphere "facet" (surface element).</em>
+<a class="jxr_linenumber" name="L328" href="#L328">328</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L329" href="#L329">329</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html">Facet</a> {
+<a class="jxr_linenumber" name="L330" href="#L330">330</a> <em class="jxr_javadoccomment">/** Normal vector characterizing a surface element. */</em>
+<a class="jxr_linenumber" name="L331" href="#L331">331</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] normal;
+<a class="jxr_linenumber" name="L332" href="#L332">332</a>
+<a class="jxr_linenumber" name="L333" href="#L333">333</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L334" href="#L334">334</a> <em class="jxr_javadoccomment"> * @param n Normal vector characterizing a surface element</em>
+<a class="jxr_linenumber" name="L335" href="#L335">335</a> <em class="jxr_javadoccomment"> * of the microsphere. No copy is made.</em>
+<a class="jxr_linenumber" name="L336" href="#L336">336</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L337" href="#L337">337</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html">Facet</a>(<strong class="jxr_keyword">double</strong>[] n) {
+<a class="jxr_linenumber" name="L338" href="#L338">338</a> normal = n;
+<a class="jxr_linenumber" name="L339" href="#L339">339</a> }
+<a class="jxr_linenumber" name="L340" href="#L340">340</a>
+<a class="jxr_linenumber" name="L341" href="#L341">341</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L342" href="#L342">342</a> <em class="jxr_javadoccomment"> * Return a reference to the vector normal to this facet.</em>
+<a class="jxr_linenumber" name="L343" href="#L343">343</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L344" href="#L344">344</a> <em class="jxr_javadoccomment"> * @return the normal vector.</em>
+<a class="jxr_linenumber" name="L345" href="#L345">345</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L346" href="#L346">346</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">double</strong>[] getNormal() {
+<a class="jxr_linenumber" name="L347" href="#L347">347</a> <strong class="jxr_keyword">return</strong> normal;
+<a class="jxr_linenumber" name="L348" href="#L348">348</a> }
+<a class="jxr_linenumber" name="L349" href="#L349">349</a> }
+<a class="jxr_linenumber" name="L350" href="#L350">350</a>
+<a class="jxr_linenumber" name="L351" href="#L351">351</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L352" href="#L352">352</a> <em class="jxr_javadoccomment"> * Data associated with each {@link Facet}.</em>
+<a class="jxr_linenumber" name="L353" href="#L353">353</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L354" href="#L354">354</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html">FacetData</a> {
+<a class="jxr_linenumber" name="L355" href="#L355">355</a> <em class="jxr_javadoccomment">/** Illumination received from the sample. */</em>
+<a class="jxr_linenumber" name="L356" href="#L356">356</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> illumination;
+<a class="jxr_linenumber" name="L357" href="#L357">357</a> <em class="jxr_javadoccomment">/** Data value of the sample. */</em>
+<a class="jxr_linenumber" name="L358" href="#L358">358</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> sample;
+<a class="jxr_linenumber" name="L359" href="#L359">359</a>
+<a class="jxr_linenumber" name="L360" href="#L360">360</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L361" href="#L361">361</a> <em class="jxr_javadoccomment"> * @param illumination Illumination.</em>
+<a class="jxr_linenumber" name="L362" href="#L362">362</a> <em class="jxr_javadoccomment"> * @param sample Data value.</em>
+<a class="jxr_linenumber" name="L363" href="#L363">363</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L364" href="#L364">364</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html">FacetData</a>(<strong class="jxr_keyword">double</strong> illumination,
+<a class="jxr_linenumber" name="L365" href="#L365">365</a> <strong class="jxr_keyword">double</strong> sample) {
+<a class="jxr_linenumber" name="L366" href="#L366">366</a> <strong class="jxr_keyword">this</strong>.illumination = illumination;
+<a class="jxr_linenumber" name="L367" href="#L367">367</a> <strong class="jxr_keyword">this</strong>.sample = sample;
+<a class="jxr_linenumber" name="L368" href="#L368">368</a> }
+<a class="jxr_linenumber" name="L369" href="#L369">369</a>
+<a class="jxr_linenumber" name="L370" href="#L370">370</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L371" href="#L371">371</a> <em class="jxr_javadoccomment"> * Get the illumination.</em>
+<a class="jxr_linenumber" name="L372" href="#L372">372</a> <em class="jxr_javadoccomment"> * @return the illumination.</em>
+<a class="jxr_linenumber" name="L373" href="#L373">373</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L374" href="#L374">374</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">double</strong> illumination() {
+<a class="jxr_linenumber" name="L375" href="#L375">375</a> <strong class="jxr_keyword">return</strong> illumination;
+<a class="jxr_linenumber" name="L376" href="#L376">376</a> }
+<a class="jxr_linenumber" name="L377" href="#L377">377</a>
+<a class="jxr_linenumber" name="L378" href="#L378">378</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L379" href="#L379">379</a> <em class="jxr_javadoccomment"> * Get the data value.</em>
+<a class="jxr_linenumber" name="L380" href="#L380">380</a> <em class="jxr_javadoccomment"> * @return the data value.</em>
+<a class="jxr_linenumber" name="L381" href="#L381">381</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L382" href="#L382">382</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">double</strong> sample() {
+<a class="jxr_linenumber" name="L383" href="#L383">383</a> <strong class="jxr_keyword">return</strong> sample;
+<a class="jxr_linenumber" name="L384" href="#L384">384</a> }
+<a class="jxr_linenumber" name="L385" href="#L385">385</a> }
+<a class="jxr_linenumber" name="L386" href="#L386">386</a> }
+</pre>
+<hr/>
+<div id="footer">Copyright © 2003–2015 <a href="http://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</div>
+</body>
+</html>
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+++ websites/production/commons/content/proper/commons-math/xref/org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere2D.html Fri Aug 14 19:12:42 2015
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head><meta http-equiv="content-type" content="text/html; charset=UTF-8" />
+<title>InterpolatingMicrosphere2D xref</title>
+<link type="text/css" rel="stylesheet" href="../../../../../../stylesheet.css" />
+</head>
+<body>
+<div id="overview"><a href="../../../../../../../apidocs/org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere2D.html">View Javadoc</a></div><pre>
+<a class="jxr_linenumber" name="L1" href="#L1">1</a> <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="L2" href="#L2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em>
+<a class="jxr_linenumber" name="L3" href="#L3">3</a> <em class="jxr_comment"> * contributor license agreements. See the NOTICE file distributed with</em>
+<a class="jxr_linenumber" name="L4" href="#L4">4</a> <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em>
+<a class="jxr_linenumber" name="L5" href="#L5">5</a> <em class="jxr_comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em>
+<a class="jxr_linenumber" name="L6" href="#L6">6</a> <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em>
+<a class="jxr_linenumber" name="L7" href="#L7">7</a> <em class="jxr_comment"> * the License. You may obtain a copy of the License at</em>
+<a class="jxr_linenumber" name="L8" href="#L8">8</a> <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="L9" href="#L9">9</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2." target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.</a>0</em>
+<a class="jxr_linenumber" name="L10" href="#L10">10</a> <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="L11" href="#L11">11</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
+<a class="jxr_linenumber" name="L12" href="#L12">12</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
+<a class="jxr_linenumber" name="L13" href="#L13">13</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
+<a class="jxr_linenumber" name="L14" href="#L14">14</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
+<a class="jxr_linenumber" name="L15" href="#L15">15</a> <em class="jxr_comment"> * limitations under the License.</em>
+<a class="jxr_linenumber" name="L16" href="#L16">16</a> <em class="jxr_comment"> */</em>
+<a class="jxr_linenumber" name="L17" href="#L17">17</a> <strong class="jxr_keyword">package</strong> org.apache.commons.math3.analysis.interpolation;
+<a class="jxr_linenumber" name="L18" href="#L18">18</a>
+<a class="jxr_linenumber" name="L19" href="#L19">19</a> <strong class="jxr_keyword">import</strong> org.apache.commons.math3.util.FastMath;
+<a class="jxr_linenumber" name="L20" href="#L20">20</a> <strong class="jxr_keyword">import</strong> org.apache.commons.math3.util.MathUtils;
+<a class="jxr_linenumber" name="L21" href="#L21">21</a>
+<a class="jxr_linenumber" name="L22" href="#L22">22</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L23" href="#L23">23</a> <em class="jxr_javadoccomment"> * Utility class for the {@link MicrosphereProjectionInterpolator} algorithm.</em>
+<a class="jxr_linenumber" name="L24" href="#L24">24</a> <em class="jxr_javadoccomment"> * For 2D interpolation, this class constructs the microsphere as a series of</em>
+<a class="jxr_linenumber" name="L25" href="#L25">25</a> <em class="jxr_javadoccomment"> * evenly spaced facets (rather than generating random normals as in the</em>
+<a class="jxr_linenumber" name="L26" href="#L26">26</a> <em class="jxr_javadoccomment"> * base implementation).</em>
+<a class="jxr_linenumber" name="L27" href="#L27">27</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L28" href="#L28">28</a> <em class="jxr_javadoccomment"> * @since 3.6</em>
+<a class="jxr_linenumber" name="L29" href="#L29">29</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L30" href="#L30">30</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere2D.html">InterpolatingMicrosphere2D</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere.html">InterpolatingMicrosphere</a> {
+<a class="jxr_linenumber" name="L31" href="#L31">31</a> <em class="jxr_javadoccomment">/** Space dimension. */</em>
+<a class="jxr_linenumber" name="L32" href="#L32">32</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> DIMENSION = 2;
+<a class="jxr_linenumber" name="L33" href="#L33">33</a>
+<a class="jxr_linenumber" name="L34" href="#L34">34</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L35" href="#L35">35</a> <em class="jxr_javadoccomment"> * Create a sphere from vectors regularly sampled around a circle.</em>
+<a class="jxr_linenumber" name="L36" href="#L36">36</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L37" href="#L37">37</a> <em class="jxr_javadoccomment"> * @param size Number of surface elements of the sphere.</em>
+<a class="jxr_linenumber" name="L38" href="#L38">38</a> <em class="jxr_javadoccomment"> * @param maxDarkFraction Maximum fraction of the facets that can be dark.</em>
+<a class="jxr_linenumber" name="L39" href="#L39">39</a> <em class="jxr_javadoccomment"> * If the fraction of "non-illuminated" facets is larger, no estimation</em>
+<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment"> * of the value will be performed, and the {@code background} value will</em>
+<a class="jxr_linenumber" name="L41" href="#L41">41</a> <em class="jxr_javadoccomment"> * be returned instead.</em>
+<a class="jxr_linenumber" name="L42" href="#L42">42</a> <em class="jxr_javadoccomment"> * @param darkThreshold Value of the illumination below which a facet is</em>
+<a class="jxr_linenumber" name="L43" href="#L43">43</a> <em class="jxr_javadoccomment"> * considered dark.</em>
+<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_javadoccomment"> * @param background Value returned when the {@code maxDarkFraction}</em>
+<a class="jxr_linenumber" name="L45" href="#L45">45</a> <em class="jxr_javadoccomment"> * threshold is exceeded.</em>
+<a class="jxr_linenumber" name="L46" href="#L46">46</a> <em class="jxr_javadoccomment"> * @throws org.apache.commons.math3.exception.NotStrictlyPositiveException</em>
+<a class="jxr_linenumber" name="L47" href="#L47">47</a> <em class="jxr_javadoccomment"> * if {@code size <= 0}.</em>
+<a class="jxr_linenumber" name="L48" href="#L48">48</a> <em class="jxr_javadoccomment"> * @throws org.apache.commons.math3.exception.NotPositiveException if</em>
+<a class="jxr_linenumber" name="L49" href="#L49">49</a> <em class="jxr_javadoccomment"> * {@code darkThreshold < 0}.</em>
+<a class="jxr_linenumber" name="L50" href="#L50">50</a> <em class="jxr_javadoccomment"> * @throws org.apache.commons.math3.exception.OutOfRangeException if</em>
+<a class="jxr_linenumber" name="L51" href="#L51">51</a> <em class="jxr_javadoccomment"> * {@code maxDarkFraction} does not belong to the interval {@code [0, 1]}.</em>
+<a class="jxr_linenumber" name="L52" href="#L52">52</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L53" href="#L53">53</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere2D.html">InterpolatingMicrosphere2D</a>(<strong class="jxr_keyword">int</strong> size,
+<a class="jxr_linenumber" name="L54" href="#L54">54</a> <strong class="jxr_keyword">double</strong> maxDarkFraction,
+<a class="jxr_linenumber" name="L55" href="#L55">55</a> <strong class="jxr_keyword">double</strong> darkThreshold,
+<a class="jxr_linenumber" name="L56" href="#L56">56</a> <strong class="jxr_keyword">double</strong> background) {
+<a class="jxr_linenumber" name="L57" href="#L57">57</a> <strong class="jxr_keyword">super</strong>(DIMENSION, size, maxDarkFraction, darkThreshold, background);
+<a class="jxr_linenumber" name="L58" href="#L58">58</a>
+<a class="jxr_linenumber" name="L59" href="#L59">59</a> <em class="jxr_comment">// Generate the microsphere normals.</em>
+<a class="jxr_linenumber" name="L60" href="#L60">60</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < size; i++) {
+<a class="jxr_linenumber" name="L61" href="#L61">61</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> angle = i * MathUtils.TWO_PI / size;
+<a class="jxr_linenumber" name="L62" href="#L62">62</a>
+<a class="jxr_linenumber" name="L63" href="#L63">63</a> add(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] { FastMath.cos(angle),
+<a class="jxr_linenumber" name="L64" href="#L64">64</a> FastMath.sin(angle) },
+<a class="jxr_linenumber" name="L65" href="#L65">65</a> false);
+<a class="jxr_linenumber" name="L66" href="#L66">66</a> }
+<a class="jxr_linenumber" name="L67" href="#L67">67</a> }
+<a class="jxr_linenumber" name="L68" href="#L68">68</a>
+<a class="jxr_linenumber" name="L69" href="#L69">69</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L70" href="#L70">70</a> <em class="jxr_javadoccomment"> * Copy constructor.</em>
+<a class="jxr_linenumber" name="L71" href="#L71">71</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L72" href="#L72">72</a> <em class="jxr_javadoccomment"> * @param other Instance to copy.</em>
+<a class="jxr_linenumber" name="L73" href="#L73">73</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L74" href="#L74">74</a> <strong class="jxr_keyword">protected</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere2D.html">InterpolatingMicrosphere2D</a>(<a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere2D.html">InterpolatingMicrosphere2D</a> other) {
+<a class="jxr_linenumber" name="L75" href="#L75">75</a> <strong class="jxr_keyword">super</strong>(other);
+<a class="jxr_linenumber" name="L76" href="#L76">76</a> }
+<a class="jxr_linenumber" name="L77" href="#L77">77</a>
+<a class="jxr_linenumber" name="L78" href="#L78">78</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L79" href="#L79">79</a> <em class="jxr_javadoccomment"> * Perform a copy.</em>
+<a class="jxr_linenumber" name="L80" href="#L80">80</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L81" href="#L81">81</a> <em class="jxr_javadoccomment"> * @return a copy of this instance.</em>
+<a class="jxr_linenumber" name="L82" href="#L82">82</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L83" href="#L83">83</a> @Override
+<a class="jxr_linenumber" name="L84" href="#L84">84</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere2D.html">InterpolatingMicrosphere2D</a> copy() {
+<a class="jxr_linenumber" name="L85" href="#L85">85</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/InterpolatingMicrosphere2D.html">InterpolatingMicrosphere2D</a>(<strong class="jxr_keyword">this</strong>);
+<a class="jxr_linenumber" name="L86" href="#L86">86</a> }
+<a class="jxr_linenumber" name="L87" href="#L87">87</a> }
+</pre>
+<hr/>
+<div id="footer">Copyright © 2003–2015 <a href="http://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</div>
+</body>
+</html>
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