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Posted to notifications@commons.apache.org by lu...@apache.org on 2015/08/14 21:12:44 UTC
svn commit: r961863 [32/34] - 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/org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolatingFunction.html
==============================================================================
--- websites/production/commons/content/proper/commons-math/xref/org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolatingFunction.html (original)
+++ websites/production/commons/content/proper/commons-math/xref/org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolatingFunction.html Fri Aug 14 19:12:42 2015
@@ -42,220 +42,223 @@
<a class="jxr_linenumber" name="L34" href="#L34">34</a> <em class="jxr_javadoccomment"> * Interpolating function that implements the</em>
<a class="jxr_linenumber" name="L35" href="#L35">35</a> <em class="jxr_javadoccomment"> * <a href="<a href="http://www.dudziak.com/microsphere.php" target="alexandria_uri">http://www.dudziak.com/microsphere.php</a>">Microsphere Projection</a>.</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"> */</em>
-<a class="jxr_linenumber" name="L38" href="#L38">38</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolatingFunction.html">MicrosphereInterpolatingFunction</a>
-<a class="jxr_linenumber" name="L39" href="#L39">39</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../../org/apache/commons/math3/analysis/MultivariateFunction.html">MultivariateFunction</a> {
-<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L41" href="#L41">41</a> <em class="jxr_javadoccomment"> * Space dimension.</em>
-<a class="jxr_linenumber" name="L42" href="#L42">42</a> <em class="jxr_javadoccomment"> */</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> dimension;
-<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L45" href="#L45">45</a> <em class="jxr_javadoccomment"> * Internal accounting data for the interpolation algorithm.</em>
-<a class="jxr_linenumber" name="L46" href="#L46">46</a> <em class="jxr_javadoccomment"> * Each element of the list corresponds to one surface element of</em>
-<a class="jxr_linenumber" name="L47" href="#L47">47</a> <em class="jxr_javadoccomment"> * the microsphere.</em>
-<a class="jxr_linenumber" name="L48" href="#L48">48</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L49" href="#L49">49</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> List<MicrosphereSurfaceElement> microsphere;
-<a class="jxr_linenumber" name="L50" href="#L50">50</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L51" href="#L51">51</a> <em class="jxr_javadoccomment"> * Exponent used in the power law that computes the weights of the</em>
-<a class="jxr_linenumber" name="L52" href="#L52">52</a> <em class="jxr_javadoccomment"> * sample data.</em>
-<a class="jxr_linenumber" name="L53" href="#L53">53</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L54" href="#L54">54</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> brightnessExponent;
-<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"> * Sample data.</em>
-<a class="jxr_linenumber" name="L57" href="#L57">57</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L58" href="#L58">58</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map<RealVector, Double> samples;
-<a class="jxr_linenumber" name="L59" href="#L59">59</a>
-<a class="jxr_linenumber" name="L60" href="#L60">60</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L61" href="#L61">61</a> <em class="jxr_javadoccomment"> * Class for storing the accounting data needed to perform the</em>
-<a class="jxr_linenumber" name="L62" href="#L62">62</a> <em class="jxr_javadoccomment"> * microsphere projection.</em>
-<a class="jxr_linenumber" name="L63" href="#L63">63</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L64" href="#L64">64</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/MicrosphereInterpolatingFunction.html">MicrosphereSurfaceElement</a> {
-<a class="jxr_linenumber" name="L65" href="#L65">65</a> <em class="jxr_javadoccomment">/** Normal vector characterizing a surface element. */</em>
-<a class="jxr_linenumber" name="L66" href="#L66">66</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/math3/linear/RealVector.html">RealVector</a> normal;
-<a class="jxr_linenumber" name="L67" href="#L67">67</a> <em class="jxr_javadoccomment">/** Illumination received from the brightest sample. */</em>
-<a class="jxr_linenumber" name="L68" href="#L68">68</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">double</strong> brightestIllumination;
-<a class="jxr_linenumber" name="L69" href="#L69">69</a> <em class="jxr_javadoccomment">/** Brightest sample. */</em>
-<a class="jxr_linenumber" name="L70" href="#L70">70</a> <strong class="jxr_keyword">private</strong> Map.Entry<RealVector, Double> brightestSample;
-<a class="jxr_linenumber" name="L71" href="#L71">71</a>
-<a class="jxr_linenumber" name="L72" href="#L72">72</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L73" href="#L73">73</a> <em class="jxr_javadoccomment"> * @param n Normal vector characterizing a surface element</em>
-<a class="jxr_linenumber" name="L74" href="#L74">74</a> <em class="jxr_javadoccomment"> * of the microsphere.</em>
-<a class="jxr_linenumber" name="L75" href="#L75">75</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L76" href="#L76">76</a> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolatingFunction.html">MicrosphereSurfaceElement</a>(<strong class="jxr_keyword">double</strong>[] n) {
-<a class="jxr_linenumber" name="L77" href="#L77">77</a> normal = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/linear/ArrayRealVector.html">ArrayRealVector</a>(n);
-<a class="jxr_linenumber" name="L78" href="#L78">78</a> }
-<a class="jxr_linenumber" name="L79" href="#L79">79</a>
-<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 the normal vector.</em>
-<a class="jxr_linenumber" name="L82" href="#L82">82</a> <em class="jxr_javadoccomment"> * @return the normal vector</em>
-<a class="jxr_linenumber" name="L83" href="#L83">83</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L84" href="#L84">84</a> <a href="../../../../../../org/apache/commons/math3/linear/RealVector.html">RealVector</a> normal() {
-<a class="jxr_linenumber" name="L85" href="#L85">85</a> <strong class="jxr_keyword">return</strong> normal;
-<a class="jxr_linenumber" name="L86" href="#L86">86</a> }
-<a class="jxr_linenumber" name="L87" href="#L87">87</a>
-<a class="jxr_linenumber" name="L88" href="#L88">88</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L89" href="#L89">89</a> <em class="jxr_javadoccomment"> * Reset "illumination" and "sampleIndex".</em>
-<a class="jxr_linenumber" name="L90" href="#L90">90</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L91" href="#L91">91</a> <strong class="jxr_keyword">void</strong> reset() {
-<a class="jxr_linenumber" name="L92" href="#L92">92</a> brightestIllumination = 0;
-<a class="jxr_linenumber" name="L93" href="#L93">93</a> brightestSample = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="L94" href="#L94">94</a> }
-<a class="jxr_linenumber" name="L95" href="#L95">95</a>
-<a class="jxr_linenumber" name="L96" href="#L96">96</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L97" href="#L97">97</a> <em class="jxr_javadoccomment"> * Store the illumination and index of the brightest sample.</em>
-<a class="jxr_linenumber" name="L98" href="#L98">98</a> <em class="jxr_javadoccomment"> * @param illuminationFromSample illumination received from sample</em>
-<a class="jxr_linenumber" name="L99" href="#L99">99</a> <em class="jxr_javadoccomment"> * @param sample current sample illuminating the element</em>
-<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> <strong class="jxr_keyword">void</strong> store(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> illuminationFromSample,
-<a class="jxr_linenumber" name="L102" href="#L102">102</a> <strong class="jxr_keyword">final</strong> Map.Entry<RealVector, Double> sample) {
-<a class="jxr_linenumber" name="L103" href="#L103">103</a> <strong class="jxr_keyword">if</strong> (illuminationFromSample > <strong class="jxr_keyword">this</strong>.brightestIllumination) {
-<a class="jxr_linenumber" name="L104" href="#L104">104</a> <strong class="jxr_keyword">this</strong>.brightestIllumination = illuminationFromSample;
-<a class="jxr_linenumber" name="L105" href="#L105">105</a> <strong class="jxr_keyword">this</strong>.brightestSample = sample;
-<a class="jxr_linenumber" name="L106" href="#L106">106</a> }
-<a class="jxr_linenumber" name="L107" href="#L107">107</a> }
-<a class="jxr_linenumber" name="L108" href="#L108">108</a>
-<a class="jxr_linenumber" name="L109" href="#L109">109</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L110" href="#L110">110</a> <em class="jxr_javadoccomment"> * Get the illumination of the element.</em>
-<a class="jxr_linenumber" name="L111" href="#L111">111</a> <em class="jxr_javadoccomment"> * @return the illumination.</em>
-<a class="jxr_linenumber" name="L112" href="#L112">112</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L113" href="#L113">113</a> <strong class="jxr_keyword">double</strong> illumination() {
-<a class="jxr_linenumber" name="L114" href="#L114">114</a> <strong class="jxr_keyword">return</strong> brightestIllumination;
-<a class="jxr_linenumber" name="L115" href="#L115">115</a> }
-<a class="jxr_linenumber" name="L116" href="#L116">116</a>
-<a class="jxr_linenumber" name="L117" href="#L117">117</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L118" href="#L118">118</a> <em class="jxr_javadoccomment"> * Get the sample illuminating the element the most.</em>
-<a class="jxr_linenumber" name="L119" href="#L119">119</a> <em class="jxr_javadoccomment"> * @return the sample.</em>
-<a class="jxr_linenumber" name="L120" href="#L120">120</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L121" href="#L121">121</a> Map.Entry<RealVector, Double> sample() {
-<a class="jxr_linenumber" name="L122" href="#L122">122</a> <strong class="jxr_keyword">return</strong> brightestSample;
-<a class="jxr_linenumber" name="L123" href="#L123">123</a> }
-<a class="jxr_linenumber" name="L124" href="#L124">124</a> }
-<a class="jxr_linenumber" name="L125" href="#L125">125</a>
-<a class="jxr_linenumber" name="L126" href="#L126">126</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L127" href="#L127">127</a> <em class="jxr_javadoccomment"> * @param xval Arguments for the interpolation points.</em>
-<a class="jxr_linenumber" name="L128" href="#L128">128</a> <em class="jxr_javadoccomment"> * {@code xval[i][0]} is the first component of interpolation point</em>
-<a class="jxr_linenumber" name="L129" href="#L129">129</a> <em class="jxr_javadoccomment"> * {@code i}, {@code xval[i][1]} is the second component, and so on</em>
-<a class="jxr_linenumber" name="L130" href="#L130">130</a> <em class="jxr_javadoccomment"> * until {@code xval[i][d-1]}, the last component of that interpolation</em>
-<a class="jxr_linenumber" name="L131" href="#L131">131</a> <em class="jxr_javadoccomment"> * point (where {@code dimension} is thus the dimension of the sampled</em>
-<a class="jxr_linenumber" name="L132" href="#L132">132</a> <em class="jxr_javadoccomment"> * space).</em>
-<a class="jxr_linenumber" name="L133" href="#L133">133</a> <em class="jxr_javadoccomment"> * @param yval Values for the interpolation points.</em>
-<a class="jxr_linenumber" name="L134" href="#L134">134</a> <em class="jxr_javadoccomment"> * @param brightnessExponent Brightness dimming factor.</em>
-<a class="jxr_linenumber" name="L135" href="#L135">135</a> <em class="jxr_javadoccomment"> * @param microsphereElements Number of surface elements of the</em>
-<a class="jxr_linenumber" name="L136" href="#L136">136</a> <em class="jxr_javadoccomment"> * microsphere.</em>
-<a class="jxr_linenumber" name="L137" href="#L137">137</a> <em class="jxr_javadoccomment"> * @param rand Unit vector generator for creating the microsphere.</em>
-<a class="jxr_linenumber" name="L138" href="#L138">138</a> <em class="jxr_javadoccomment"> * @throws DimensionMismatchException if the lengths of {@code yval} and</em>
-<a class="jxr_linenumber" name="L139" href="#L139">139</a> <em class="jxr_javadoccomment"> * {@code xval} (equal to {@code n}, the number of interpolation points)</em>
-<a class="jxr_linenumber" name="L140" href="#L140">140</a> <em class="jxr_javadoccomment"> * do not match, or the the arrays {@code xval[0]} ... {@code xval[n]},</em>
-<a class="jxr_linenumber" name="L141" href="#L141">141</a> <em class="jxr_javadoccomment"> * have lengths different from {@code dimension}.</em>
-<a class="jxr_linenumber" name="L142" href="#L142">142</a> <em class="jxr_javadoccomment"> * @throws NoDataException if there an array has zero-length.</em>
-<a class="jxr_linenumber" name="L143" href="#L143">143</a> <em class="jxr_javadoccomment"> * @throws NullArgumentException if an argument is {@code null}.</em>
-<a class="jxr_linenumber" name="L144" href="#L144">144</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L145" href="#L145">145</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolatingFunction.html">MicrosphereInterpolatingFunction</a>(<strong class="jxr_keyword">double</strong>[][] xval,
-<a class="jxr_linenumber" name="L146" href="#L146">146</a> <strong class="jxr_keyword">double</strong>[] yval,
-<a class="jxr_linenumber" name="L147" href="#L147">147</a> <strong class="jxr_keyword">int</strong> brightnessExponent,
-<a class="jxr_linenumber" name="L148" href="#L148">148</a> <strong class="jxr_keyword">int</strong> microsphereElements,
-<a class="jxr_linenumber" name="L149" href="#L149">149</a> <a href="../../../../../../org/apache/commons/math3/random/UnitSphereRandomVectorGenerator.html">UnitSphereRandomVectorGenerator</a> rand)
-<a class="jxr_linenumber" name="L150" href="#L150">150</a> <strong class="jxr_keyword">throws</strong> DimensionMismatchException,
-<a class="jxr_linenumber" name="L151" href="#L151">151</a> NoDataException,
-<a class="jxr_linenumber" name="L152" href="#L152">152</a> <a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html">NullArgumentException</a> {
-<a class="jxr_linenumber" name="L153" href="#L153">153</a> <strong class="jxr_keyword">if</strong> (xval == <strong class="jxr_keyword">null</strong> ||
-<a class="jxr_linenumber" name="L154" href="#L154">154</a> yval == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L155" href="#L155">155</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html">NullArgumentException</a>();
-<a class="jxr_linenumber" name="L156" href="#L156">156</a> }
-<a class="jxr_linenumber" name="L157" href="#L157">157</a> <strong class="jxr_keyword">if</strong> (xval.length == 0) {
-<a class="jxr_linenumber" name="L158" href="#L158">158</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/NoDataException.html">NoDataException</a>();
+<a class="jxr_linenumber" name="L37" href="#L37">37</a> <em class="jxr_javadoccomment"> * @deprecated Code will be removed in 4.0. Use {@link InterpolatingMicrosphere}</em>
+<a class="jxr_linenumber" name="L38" href="#L38">38</a> <em class="jxr_javadoccomment"> * and {@link MicrosphereProjectionInterpolator} instead.</em>
+<a class="jxr_linenumber" name="L39" href="#L39">39</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L40" href="#L40">40</a> @Deprecated
+<a class="jxr_linenumber" name="L41" href="#L41">41</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolatingFunction.html">MicrosphereInterpolatingFunction</a>
+<a class="jxr_linenumber" name="L42" href="#L42">42</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../../org/apache/commons/math3/analysis/MultivariateFunction.html">MultivariateFunction</a> {
+<a class="jxr_linenumber" name="L43" href="#L43">43</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_javadoccomment"> * Space dimension.</em>
+<a class="jxr_linenumber" name="L45" href="#L45">45</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L46" href="#L46">46</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="L47" href="#L47">47</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L48" href="#L48">48</a> <em class="jxr_javadoccomment"> * Internal accounting data for the interpolation algorithm.</em>
+<a class="jxr_linenumber" name="L49" href="#L49">49</a> <em class="jxr_javadoccomment"> * Each element of the list corresponds to one surface element of</em>
+<a class="jxr_linenumber" name="L50" href="#L50">50</a> <em class="jxr_javadoccomment"> * the microsphere.</em>
+<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> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> List<MicrosphereSurfaceElement> microsphere;
+<a class="jxr_linenumber" name="L53" href="#L53">53</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L54" href="#L54">54</a> <em class="jxr_javadoccomment"> * Exponent used in the power law that computes the weights of the</em>
+<a class="jxr_linenumber" name="L55" href="#L55">55</a> <em class="jxr_javadoccomment"> * sample data.</em>
+<a class="jxr_linenumber" name="L56" href="#L56">56</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L57" href="#L57">57</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> brightnessExponent;
+<a class="jxr_linenumber" name="L58" href="#L58">58</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L59" href="#L59">59</a> <em class="jxr_javadoccomment"> * Sample data.</em>
+<a class="jxr_linenumber" name="L60" href="#L60">60</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L61" href="#L61">61</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map<RealVector, Double> samples;
+<a class="jxr_linenumber" name="L62" href="#L62">62</a>
+<a class="jxr_linenumber" name="L63" href="#L63">63</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L64" href="#L64">64</a> <em class="jxr_javadoccomment"> * Class for storing the accounting data needed to perform the</em>
+<a class="jxr_linenumber" name="L65" href="#L65">65</a> <em class="jxr_javadoccomment"> * microsphere projection.</em>
+<a class="jxr_linenumber" name="L66" href="#L66">66</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L67" href="#L67">67</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/MicrosphereInterpolatingFunction.html">MicrosphereSurfaceElement</a> {
+<a class="jxr_linenumber" name="L68" href="#L68">68</a> <em class="jxr_javadoccomment">/** Normal vector characterizing a surface element. */</em>
+<a class="jxr_linenumber" name="L69" href="#L69">69</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/math3/linear/RealVector.html">RealVector</a> normal;
+<a class="jxr_linenumber" name="L70" href="#L70">70</a> <em class="jxr_javadoccomment">/** Illumination received from the brightest sample. */</em>
+<a class="jxr_linenumber" name="L71" href="#L71">71</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">double</strong> brightestIllumination;
+<a class="jxr_linenumber" name="L72" href="#L72">72</a> <em class="jxr_javadoccomment">/** Brightest sample. */</em>
+<a class="jxr_linenumber" name="L73" href="#L73">73</a> <strong class="jxr_keyword">private</strong> Map.Entry<RealVector, Double> brightestSample;
+<a class="jxr_linenumber" name="L74" href="#L74">74</a>
+<a class="jxr_linenumber" name="L75" href="#L75">75</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L76" href="#L76">76</a> <em class="jxr_javadoccomment"> * @param n Normal vector characterizing a surface element</em>
+<a class="jxr_linenumber" name="L77" href="#L77">77</a> <em class="jxr_javadoccomment"> * of the microsphere.</em>
+<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> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolatingFunction.html">MicrosphereSurfaceElement</a>(<strong class="jxr_keyword">double</strong>[] n) {
+<a class="jxr_linenumber" name="L80" href="#L80">80</a> normal = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/linear/ArrayRealVector.html">ArrayRealVector</a>(n);
+<a class="jxr_linenumber" name="L81" href="#L81">81</a> }
+<a class="jxr_linenumber" name="L82" href="#L82">82</a>
+<a class="jxr_linenumber" name="L83" href="#L83">83</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L84" href="#L84">84</a> <em class="jxr_javadoccomment"> * Return the normal vector.</em>
+<a class="jxr_linenumber" name="L85" href="#L85">85</a> <em class="jxr_javadoccomment"> * @return the normal vector</em>
+<a class="jxr_linenumber" name="L86" href="#L86">86</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L87" href="#L87">87</a> <a href="../../../../../../org/apache/commons/math3/linear/RealVector.html">RealVector</a> normal() {
+<a class="jxr_linenumber" name="L88" href="#L88">88</a> <strong class="jxr_keyword">return</strong> normal;
+<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> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L92" href="#L92">92</a> <em class="jxr_javadoccomment"> * Reset "illumination" and "sampleIndex".</em>
+<a class="jxr_linenumber" name="L93" href="#L93">93</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L94" href="#L94">94</a> <strong class="jxr_keyword">void</strong> reset() {
+<a class="jxr_linenumber" name="L95" href="#L95">95</a> brightestIllumination = 0;
+<a class="jxr_linenumber" name="L96" href="#L96">96</a> brightestSample = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="L97" href="#L97">97</a> }
+<a class="jxr_linenumber" name="L98" href="#L98">98</a>
+<a class="jxr_linenumber" name="L99" href="#L99">99</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L100" href="#L100">100</a> <em class="jxr_javadoccomment"> * Store the illumination and index of the brightest sample.</em>
+<a class="jxr_linenumber" name="L101" href="#L101">101</a> <em class="jxr_javadoccomment"> * @param illuminationFromSample illumination received from sample</em>
+<a class="jxr_linenumber" name="L102" href="#L102">102</a> <em class="jxr_javadoccomment"> * @param sample current sample illuminating the element</em>
+<a class="jxr_linenumber" name="L103" href="#L103">103</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L104" href="#L104">104</a> <strong class="jxr_keyword">void</strong> store(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> illuminationFromSample,
+<a class="jxr_linenumber" name="L105" href="#L105">105</a> <strong class="jxr_keyword">final</strong> Map.Entry<RealVector, Double> sample) {
+<a class="jxr_linenumber" name="L106" href="#L106">106</a> <strong class="jxr_keyword">if</strong> (illuminationFromSample > <strong class="jxr_keyword">this</strong>.brightestIllumination) {
+<a class="jxr_linenumber" name="L107" href="#L107">107</a> <strong class="jxr_keyword">this</strong>.brightestIllumination = illuminationFromSample;
+<a class="jxr_linenumber" name="L108" href="#L108">108</a> <strong class="jxr_keyword">this</strong>.brightestSample = sample;
+<a class="jxr_linenumber" name="L109" href="#L109">109</a> }
+<a class="jxr_linenumber" name="L110" href="#L110">110</a> }
+<a class="jxr_linenumber" name="L111" href="#L111">111</a>
+<a class="jxr_linenumber" name="L112" href="#L112">112</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L113" href="#L113">113</a> <em class="jxr_javadoccomment"> * Get the illumination of the element.</em>
+<a class="jxr_linenumber" name="L114" href="#L114">114</a> <em class="jxr_javadoccomment"> * @return the illumination.</em>
+<a class="jxr_linenumber" name="L115" href="#L115">115</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L116" href="#L116">116</a> <strong class="jxr_keyword">double</strong> illumination() {
+<a class="jxr_linenumber" name="L117" href="#L117">117</a> <strong class="jxr_keyword">return</strong> brightestIllumination;
+<a class="jxr_linenumber" name="L118" href="#L118">118</a> }
+<a class="jxr_linenumber" name="L119" href="#L119">119</a>
+<a class="jxr_linenumber" name="L120" href="#L120">120</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L121" href="#L121">121</a> <em class="jxr_javadoccomment"> * Get the sample illuminating the element the most.</em>
+<a class="jxr_linenumber" name="L122" href="#L122">122</a> <em class="jxr_javadoccomment"> * @return the sample.</em>
+<a class="jxr_linenumber" name="L123" href="#L123">123</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L124" href="#L124">124</a> Map.Entry<RealVector, Double> sample() {
+<a class="jxr_linenumber" name="L125" href="#L125">125</a> <strong class="jxr_keyword">return</strong> brightestSample;
+<a class="jxr_linenumber" name="L126" href="#L126">126</a> }
+<a class="jxr_linenumber" name="L127" href="#L127">127</a> }
+<a class="jxr_linenumber" name="L128" href="#L128">128</a>
+<a class="jxr_linenumber" name="L129" href="#L129">129</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L130" href="#L130">130</a> <em class="jxr_javadoccomment"> * @param xval Arguments for the interpolation points.</em>
+<a class="jxr_linenumber" name="L131" href="#L131">131</a> <em class="jxr_javadoccomment"> * {@code xval[i][0]} is the first component of interpolation point</em>
+<a class="jxr_linenumber" name="L132" href="#L132">132</a> <em class="jxr_javadoccomment"> * {@code i}, {@code xval[i][1]} is the second component, and so on</em>
+<a class="jxr_linenumber" name="L133" href="#L133">133</a> <em class="jxr_javadoccomment"> * until {@code xval[i][d-1]}, the last component of that interpolation</em>
+<a class="jxr_linenumber" name="L134" href="#L134">134</a> <em class="jxr_javadoccomment"> * point (where {@code dimension} is thus the dimension of the sampled</em>
+<a class="jxr_linenumber" name="L135" href="#L135">135</a> <em class="jxr_javadoccomment"> * space).</em>
+<a class="jxr_linenumber" name="L136" href="#L136">136</a> <em class="jxr_javadoccomment"> * @param yval Values for the interpolation points.</em>
+<a class="jxr_linenumber" name="L137" href="#L137">137</a> <em class="jxr_javadoccomment"> * @param brightnessExponent Brightness dimming factor.</em>
+<a class="jxr_linenumber" name="L138" href="#L138">138</a> <em class="jxr_javadoccomment"> * @param microsphereElements Number of surface elements of the</em>
+<a class="jxr_linenumber" name="L139" href="#L139">139</a> <em class="jxr_javadoccomment"> * microsphere.</em>
+<a class="jxr_linenumber" name="L140" href="#L140">140</a> <em class="jxr_javadoccomment"> * @param rand Unit vector generator for creating the microsphere.</em>
+<a class="jxr_linenumber" name="L141" href="#L141">141</a> <em class="jxr_javadoccomment"> * @throws DimensionMismatchException if the lengths of {@code yval} and</em>
+<a class="jxr_linenumber" name="L142" href="#L142">142</a> <em class="jxr_javadoccomment"> * {@code xval} (equal to {@code n}, the number of interpolation points)</em>
+<a class="jxr_linenumber" name="L143" href="#L143">143</a> <em class="jxr_javadoccomment"> * do not match, or the the arrays {@code xval[0]} ... {@code xval[n]},</em>
+<a class="jxr_linenumber" name="L144" href="#L144">144</a> <em class="jxr_javadoccomment"> * have lengths different from {@code dimension}.</em>
+<a class="jxr_linenumber" name="L145" href="#L145">145</a> <em class="jxr_javadoccomment"> * @throws NoDataException if there an array has zero-length.</em>
+<a class="jxr_linenumber" name="L146" href="#L146">146</a> <em class="jxr_javadoccomment"> * @throws NullArgumentException if an argument is {@code null}.</em>
+<a class="jxr_linenumber" name="L147" href="#L147">147</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L148" href="#L148">148</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolatingFunction.html">MicrosphereInterpolatingFunction</a>(<strong class="jxr_keyword">double</strong>[][] xval,
+<a class="jxr_linenumber" name="L149" href="#L149">149</a> <strong class="jxr_keyword">double</strong>[] yval,
+<a class="jxr_linenumber" name="L150" href="#L150">150</a> <strong class="jxr_keyword">int</strong> brightnessExponent,
+<a class="jxr_linenumber" name="L151" href="#L151">151</a> <strong class="jxr_keyword">int</strong> microsphereElements,
+<a class="jxr_linenumber" name="L152" href="#L152">152</a> <a href="../../../../../../org/apache/commons/math3/random/UnitSphereRandomVectorGenerator.html">UnitSphereRandomVectorGenerator</a> rand)
+<a class="jxr_linenumber" name="L153" href="#L153">153</a> <strong class="jxr_keyword">throws</strong> DimensionMismatchException,
+<a class="jxr_linenumber" name="L154" href="#L154">154</a> NoDataException,
+<a class="jxr_linenumber" name="L155" href="#L155">155</a> <a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html">NullArgumentException</a> {
+<a class="jxr_linenumber" name="L156" href="#L156">156</a> <strong class="jxr_keyword">if</strong> (xval == <strong class="jxr_keyword">null</strong> ||
+<a class="jxr_linenumber" name="L157" href="#L157">157</a> yval == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="L158" href="#L158">158</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html">NullArgumentException</a>();
<a class="jxr_linenumber" name="L159" href="#L159">159</a> }
-<a class="jxr_linenumber" name="L160" href="#L160">160</a> <strong class="jxr_keyword">if</strong> (xval.length != yval.length) {
-<a class="jxr_linenumber" name="L161" href="#L161">161</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html">DimensionMismatchException</a>(xval.length, yval.length);
+<a class="jxr_linenumber" name="L160" href="#L160">160</a> <strong class="jxr_keyword">if</strong> (xval.length == 0) {
+<a class="jxr_linenumber" name="L161" href="#L161">161</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/NoDataException.html">NoDataException</a>();
<a class="jxr_linenumber" name="L162" href="#L162">162</a> }
-<a class="jxr_linenumber" name="L163" href="#L163">163</a> <strong class="jxr_keyword">if</strong> (xval[0] == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L164" href="#L164">164</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html">NullArgumentException</a>();
+<a class="jxr_linenumber" name="L163" href="#L163">163</a> <strong class="jxr_keyword">if</strong> (xval.length != yval.length) {
+<a class="jxr_linenumber" name="L164" href="#L164">164</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html">DimensionMismatchException</a>(xval.length, yval.length);
<a class="jxr_linenumber" name="L165" href="#L165">165</a> }
-<a class="jxr_linenumber" name="L166" href="#L166">166</a>
-<a class="jxr_linenumber" name="L167" href="#L167">167</a> dimension = xval[0].length;
-<a class="jxr_linenumber" name="L168" href="#L168">168</a> <strong class="jxr_keyword">this</strong>.brightnessExponent = brightnessExponent;
+<a class="jxr_linenumber" name="L166" href="#L166">166</a> <strong class="jxr_keyword">if</strong> (xval[0] == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="L167" href="#L167">167</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html">NullArgumentException</a>();
+<a class="jxr_linenumber" name="L168" href="#L168">168</a> }
<a class="jxr_linenumber" name="L169" href="#L169">169</a>
-<a class="jxr_linenumber" name="L170" href="#L170">170</a> <em class="jxr_comment">// Copy data samples.</em>
-<a class="jxr_linenumber" name="L171" href="#L171">171</a> samples = <strong class="jxr_keyword">new</strong> HashMap<RealVector, Double>(yval.length);
-<a class="jxr_linenumber" name="L172" href="#L172">172</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < xval.length; ++i) {
-<a class="jxr_linenumber" name="L173" href="#L173">173</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] xvalI = xval[i];
-<a class="jxr_linenumber" name="L174" href="#L174">174</a> <strong class="jxr_keyword">if</strong> (xvalI == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L175" href="#L175">175</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html">NullArgumentException</a>();
-<a class="jxr_linenumber" name="L176" href="#L176">176</a> }
-<a class="jxr_linenumber" name="L177" href="#L177">177</a> <strong class="jxr_keyword">if</strong> (xvalI.length != dimension) {
-<a class="jxr_linenumber" name="L178" href="#L178">178</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html">DimensionMismatchException</a>(xvalI.length, dimension);
+<a class="jxr_linenumber" name="L170" href="#L170">170</a> dimension = xval[0].length;
+<a class="jxr_linenumber" name="L171" href="#L171">171</a> <strong class="jxr_keyword">this</strong>.brightnessExponent = brightnessExponent;
+<a class="jxr_linenumber" name="L172" href="#L172">172</a>
+<a class="jxr_linenumber" name="L173" href="#L173">173</a> <em class="jxr_comment">// Copy data samples.</em>
+<a class="jxr_linenumber" name="L174" href="#L174">174</a> samples = <strong class="jxr_keyword">new</strong> HashMap<RealVector, Double>(yval.length);
+<a class="jxr_linenumber" name="L175" href="#L175">175</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < xval.length; ++i) {
+<a class="jxr_linenumber" name="L176" href="#L176">176</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] xvalI = xval[i];
+<a class="jxr_linenumber" name="L177" href="#L177">177</a> <strong class="jxr_keyword">if</strong> (xvalI == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="L178" href="#L178">178</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html">NullArgumentException</a>();
<a class="jxr_linenumber" name="L179" href="#L179">179</a> }
-<a class="jxr_linenumber" name="L180" href="#L180">180</a>
-<a class="jxr_linenumber" name="L181" href="#L181">181</a> samples.put(<strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/linear/ArrayRealVector.html">ArrayRealVector</a>(xvalI), yval[i]);
-<a class="jxr_linenumber" name="L182" href="#L182">182</a> }
+<a class="jxr_linenumber" name="L180" href="#L180">180</a> <strong class="jxr_keyword">if</strong> (xvalI.length != dimension) {
+<a class="jxr_linenumber" name="L181" href="#L181">181</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html">DimensionMismatchException</a>(xvalI.length, dimension);
+<a class="jxr_linenumber" name="L182" href="#L182">182</a> }
<a class="jxr_linenumber" name="L183" href="#L183">183</a>
-<a class="jxr_linenumber" name="L184" href="#L184">184</a> microsphere = <strong class="jxr_keyword">new</strong> ArrayList<MicrosphereSurfaceElement>(microsphereElements);
-<a class="jxr_linenumber" name="L185" href="#L185">185</a> <em class="jxr_comment">// Generate the microsphere, assuming that a fairly large number of</em>
-<a class="jxr_linenumber" name="L186" href="#L186">186</a> <em class="jxr_comment">// randomly generated normals will represent a sphere.</em>
-<a class="jxr_linenumber" name="L187" href="#L187">187</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < microsphereElements; i++) {
-<a class="jxr_linenumber" name="L188" href="#L188">188</a> microsphere.add(<strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolatingFunction.html">MicrosphereSurfaceElement</a>(rand.nextVector()));
-<a class="jxr_linenumber" name="L189" href="#L189">189</a> }
-<a class="jxr_linenumber" name="L190" href="#L190">190</a> }
-<a class="jxr_linenumber" name="L191" href="#L191">191</a>
-<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"> * @return the interpolated value.</em>
-<a class="jxr_linenumber" name="L195" href="#L195">195</a> <em class="jxr_javadoccomment"> * @throws DimensionMismatchException if point dimension does not math sample</em>
-<a class="jxr_linenumber" name="L196" href="#L196">196</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L197" href="#L197">197</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">double</strong> value(<strong class="jxr_keyword">double</strong>[] point) <strong class="jxr_keyword">throws</strong> DimensionMismatchException {
-<a class="jxr_linenumber" name="L198" href="#L198">198</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/math3/linear/RealVector.html">RealVector</a> p = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/linear/ArrayRealVector.html">ArrayRealVector</a>(point);
-<a class="jxr_linenumber" name="L199" href="#L199">199</a>
-<a class="jxr_linenumber" name="L200" href="#L200">200</a> <em class="jxr_comment">// Reset.</em>
-<a class="jxr_linenumber" name="L201" href="#L201">201</a> <strong class="jxr_keyword">for</strong> (MicrosphereSurfaceElement md : microsphere) {
-<a class="jxr_linenumber" name="L202" href="#L202">202</a> md.reset();
-<a class="jxr_linenumber" name="L203" href="#L203">203</a> }
-<a class="jxr_linenumber" name="L204" href="#L204">204</a>
-<a class="jxr_linenumber" name="L205" href="#L205">205</a> <em class="jxr_comment">// Compute contribution of each sample points to the microsphere elements illumination</em>
-<a class="jxr_linenumber" name="L206" href="#L206">206</a> <strong class="jxr_keyword">for</strong> (Map.Entry<RealVector, Double> sd : samples.entrySet()) {
+<a class="jxr_linenumber" name="L184" href="#L184">184</a> samples.put(<strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/linear/ArrayRealVector.html">ArrayRealVector</a>(xvalI), yval[i]);
+<a class="jxr_linenumber" name="L185" href="#L185">185</a> }
+<a class="jxr_linenumber" name="L186" href="#L186">186</a>
+<a class="jxr_linenumber" name="L187" href="#L187">187</a> microsphere = <strong class="jxr_keyword">new</strong> ArrayList<MicrosphereSurfaceElement>(microsphereElements);
+<a class="jxr_linenumber" name="L188" href="#L188">188</a> <em class="jxr_comment">// Generate the microsphere, assuming that a fairly large number of</em>
+<a class="jxr_linenumber" name="L189" href="#L189">189</a> <em class="jxr_comment">// randomly generated normals will represent a sphere.</em>
+<a class="jxr_linenumber" name="L190" href="#L190">190</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < microsphereElements; i++) {
+<a class="jxr_linenumber" name="L191" href="#L191">191</a> microsphere.add(<strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolatingFunction.html">MicrosphereSurfaceElement</a>(rand.nextVector()));
+<a class="jxr_linenumber" name="L192" href="#L192">192</a> }
+<a class="jxr_linenumber" name="L193" href="#L193">193</a> }
+<a class="jxr_linenumber" name="L194" href="#L194">194</a>
+<a class="jxr_linenumber" name="L195" href="#L195">195</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L196" href="#L196">196</a> <em class="jxr_javadoccomment"> * @param point Interpolation point.</em>
+<a class="jxr_linenumber" name="L197" href="#L197">197</a> <em class="jxr_javadoccomment"> * @return the interpolated value.</em>
+<a class="jxr_linenumber" name="L198" href="#L198">198</a> <em class="jxr_javadoccomment"> * @throws DimensionMismatchException if point dimension does not math sample</em>
+<a class="jxr_linenumber" name="L199" href="#L199">199</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L200" href="#L200">200</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">double</strong> value(<strong class="jxr_keyword">double</strong>[] point) <strong class="jxr_keyword">throws</strong> DimensionMismatchException {
+<a class="jxr_linenumber" name="L201" href="#L201">201</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/math3/linear/RealVector.html">RealVector</a> p = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/linear/ArrayRealVector.html">ArrayRealVector</a>(point);
+<a class="jxr_linenumber" name="L202" href="#L202">202</a>
+<a class="jxr_linenumber" name="L203" href="#L203">203</a> <em class="jxr_comment">// Reset.</em>
+<a class="jxr_linenumber" name="L204" href="#L204">204</a> <strong class="jxr_keyword">for</strong> (MicrosphereSurfaceElement md : microsphere) {
+<a class="jxr_linenumber" name="L205" href="#L205">205</a> md.reset();
+<a class="jxr_linenumber" name="L206" href="#L206">206</a> }
<a class="jxr_linenumber" name="L207" href="#L207">207</a>
-<a class="jxr_linenumber" name="L208" href="#L208">208</a> <em class="jxr_comment">// Vector between interpolation point and current sample point.</em>
-<a class="jxr_linenumber" name="L209" href="#L209">209</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/math3/linear/RealVector.html">RealVector</a> diff = sd.getKey().subtract(p);
-<a class="jxr_linenumber" name="L210" href="#L210">210</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> diffNorm = diff.getNorm();
-<a class="jxr_linenumber" name="L211" href="#L211">211</a>
-<a class="jxr_linenumber" name="L212" href="#L212">212</a> <strong class="jxr_keyword">if</strong> (FastMath.abs(diffNorm) < FastMath.ulp(1d)) {
-<a class="jxr_linenumber" name="L213" href="#L213">213</a> <em class="jxr_comment">// No need to interpolate, as the interpolation point is</em>
-<a class="jxr_linenumber" name="L214" href="#L214">214</a> <em class="jxr_comment">// actually (very close to) one of the sampled points.</em>
-<a class="jxr_linenumber" name="L215" href="#L215">215</a> <strong class="jxr_keyword">return</strong> sd.getValue();
-<a class="jxr_linenumber" name="L216" href="#L216">216</a> }
-<a class="jxr_linenumber" name="L217" href="#L217">217</a>
-<a class="jxr_linenumber" name="L218" href="#L218">218</a> <strong class="jxr_keyword">for</strong> (MicrosphereSurfaceElement md : microsphere) {
-<a class="jxr_linenumber" name="L219" href="#L219">219</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> w = FastMath.pow(diffNorm, -brightnessExponent);
-<a class="jxr_linenumber" name="L220" href="#L220">220</a> md.store(cosAngle(diff, md.normal()) * w, sd);
-<a class="jxr_linenumber" name="L221" href="#L221">221</a> }
-<a class="jxr_linenumber" name="L222" href="#L222">222</a>
-<a class="jxr_linenumber" name="L223" href="#L223">223</a> }
-<a class="jxr_linenumber" name="L224" href="#L224">224</a>
-<a class="jxr_linenumber" name="L225" href="#L225">225</a> <em class="jxr_comment">// Interpolation calculation.</em>
-<a class="jxr_linenumber" name="L226" href="#L226">226</a> <strong class="jxr_keyword">double</strong> value = 0;
-<a class="jxr_linenumber" name="L227" href="#L227">227</a> <strong class="jxr_keyword">double</strong> totalWeight = 0;
-<a class="jxr_linenumber" name="L228" href="#L228">228</a> <strong class="jxr_keyword">for</strong> (MicrosphereSurfaceElement md : microsphere) {
-<a class="jxr_linenumber" name="L229" href="#L229">229</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> iV = md.illumination();
-<a class="jxr_linenumber" name="L230" href="#L230">230</a> <strong class="jxr_keyword">final</strong> Map.Entry<RealVector, Double> sd = md.sample();
-<a class="jxr_linenumber" name="L231" href="#L231">231</a> <strong class="jxr_keyword">if</strong> (sd != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L232" href="#L232">232</a> value += iV * sd.getValue();
-<a class="jxr_linenumber" name="L233" href="#L233">233</a> totalWeight += iV;
-<a class="jxr_linenumber" name="L234" href="#L234">234</a> }
-<a class="jxr_linenumber" name="L235" href="#L235">235</a> }
-<a class="jxr_linenumber" name="L236" href="#L236">236</a>
-<a class="jxr_linenumber" name="L237" href="#L237">237</a> <strong class="jxr_keyword">return</strong> value / totalWeight;
-<a class="jxr_linenumber" name="L238" href="#L238">238</a> }
+<a class="jxr_linenumber" name="L208" href="#L208">208</a> <em class="jxr_comment">// Compute contribution of each sample points to the microsphere elements illumination</em>
+<a class="jxr_linenumber" name="L209" href="#L209">209</a> <strong class="jxr_keyword">for</strong> (Map.Entry<RealVector, Double> sd : samples.entrySet()) {
+<a class="jxr_linenumber" name="L210" href="#L210">210</a>
+<a class="jxr_linenumber" name="L211" href="#L211">211</a> <em class="jxr_comment">// Vector between interpolation point and current sample point.</em>
+<a class="jxr_linenumber" name="L212" href="#L212">212</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/math3/linear/RealVector.html">RealVector</a> diff = sd.getKey().subtract(p);
+<a class="jxr_linenumber" name="L213" href="#L213">213</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> diffNorm = diff.getNorm();
+<a class="jxr_linenumber" name="L214" href="#L214">214</a>
+<a class="jxr_linenumber" name="L215" href="#L215">215</a> <strong class="jxr_keyword">if</strong> (FastMath.abs(diffNorm) < FastMath.ulp(1d)) {
+<a class="jxr_linenumber" name="L216" href="#L216">216</a> <em class="jxr_comment">// No need to interpolate, as the interpolation point is</em>
+<a class="jxr_linenumber" name="L217" href="#L217">217</a> <em class="jxr_comment">// actually (very close to) one of the sampled points.</em>
+<a class="jxr_linenumber" name="L218" href="#L218">218</a> <strong class="jxr_keyword">return</strong> sd.getValue();
+<a class="jxr_linenumber" name="L219" href="#L219">219</a> }
+<a class="jxr_linenumber" name="L220" href="#L220">220</a>
+<a class="jxr_linenumber" name="L221" href="#L221">221</a> <strong class="jxr_keyword">for</strong> (MicrosphereSurfaceElement md : microsphere) {
+<a class="jxr_linenumber" name="L222" href="#L222">222</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> w = FastMath.pow(diffNorm, -brightnessExponent);
+<a class="jxr_linenumber" name="L223" href="#L223">223</a> md.store(cosAngle(diff, md.normal()) * w, sd);
+<a class="jxr_linenumber" name="L224" href="#L224">224</a> }
+<a class="jxr_linenumber" name="L225" href="#L225">225</a>
+<a class="jxr_linenumber" name="L226" href="#L226">226</a> }
+<a class="jxr_linenumber" name="L227" href="#L227">227</a>
+<a class="jxr_linenumber" name="L228" href="#L228">228</a> <em class="jxr_comment">// Interpolation calculation.</em>
+<a class="jxr_linenumber" name="L229" href="#L229">229</a> <strong class="jxr_keyword">double</strong> value = 0;
+<a class="jxr_linenumber" name="L230" href="#L230">230</a> <strong class="jxr_keyword">double</strong> totalWeight = 0;
+<a class="jxr_linenumber" name="L231" href="#L231">231</a> <strong class="jxr_keyword">for</strong> (MicrosphereSurfaceElement md : microsphere) {
+<a class="jxr_linenumber" name="L232" href="#L232">232</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> iV = md.illumination();
+<a class="jxr_linenumber" name="L233" href="#L233">233</a> <strong class="jxr_keyword">final</strong> Map.Entry<RealVector, Double> sd = md.sample();
+<a class="jxr_linenumber" name="L234" href="#L234">234</a> <strong class="jxr_keyword">if</strong> (sd != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="L235" href="#L235">235</a> value += iV * sd.getValue();
+<a class="jxr_linenumber" name="L236" href="#L236">236</a> totalWeight += iV;
+<a class="jxr_linenumber" name="L237" href="#L237">237</a> }
+<a class="jxr_linenumber" name="L238" href="#L238">238</a> }
<a class="jxr_linenumber" name="L239" href="#L239">239</a>
-<a class="jxr_linenumber" name="L240" href="#L240">240</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L241" href="#L241">241</a> <em class="jxr_javadoccomment"> * Compute the cosine of the angle between 2 vectors.</em>
-<a class="jxr_linenumber" name="L242" href="#L242">242</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L243" href="#L243">243</a> <em class="jxr_javadoccomment"> * @param v Vector.</em>
-<a class="jxr_linenumber" name="L244" href="#L244">244</a> <em class="jxr_javadoccomment"> * @param w Vector.</em>
-<a class="jxr_linenumber" name="L245" href="#L245">245</a> <em class="jxr_javadoccomment"> * @return the cosine of the angle between {@code v} and {@code w}.</em>
-<a class="jxr_linenumber" name="L246" href="#L246">246</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L247" href="#L247">247</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">double</strong> cosAngle(<strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/math3/linear/RealVector.html">RealVector</a> v, <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/math3/linear/RealVector.html">RealVector</a> w) {
-<a class="jxr_linenumber" name="L248" href="#L248">248</a> <strong class="jxr_keyword">return</strong> v.dotProduct(w) / (v.getNorm() * w.getNorm());
-<a class="jxr_linenumber" name="L249" href="#L249">249</a> }
-<a class="jxr_linenumber" name="L250" href="#L250">250</a> }
+<a class="jxr_linenumber" name="L240" href="#L240">240</a> <strong class="jxr_keyword">return</strong> value / totalWeight;
+<a class="jxr_linenumber" name="L241" href="#L241">241</a> }
+<a class="jxr_linenumber" name="L242" href="#L242">242</a>
+<a class="jxr_linenumber" name="L243" href="#L243">243</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L244" href="#L244">244</a> <em class="jxr_javadoccomment"> * Compute the cosine of the angle between 2 vectors.</em>
+<a class="jxr_linenumber" name="L245" href="#L245">245</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L246" href="#L246">246</a> <em class="jxr_javadoccomment"> * @param v Vector.</em>
+<a class="jxr_linenumber" name="L247" href="#L247">247</a> <em class="jxr_javadoccomment"> * @param w Vector.</em>
+<a class="jxr_linenumber" name="L248" href="#L248">248</a> <em class="jxr_javadoccomment"> * @return the cosine of the angle between {@code v} and {@code w}.</em>
+<a class="jxr_linenumber" name="L249" href="#L249">249</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L250" href="#L250">250</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">double</strong> cosAngle(<strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/math3/linear/RealVector.html">RealVector</a> v, <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/math3/linear/RealVector.html">RealVector</a> w) {
+<a class="jxr_linenumber" name="L251" href="#L251">251</a> <strong class="jxr_keyword">return</strong> v.dotProduct(w) / (v.getNorm() * w.getNorm());
+<a class="jxr_linenumber" name="L252" href="#L252">252</a> }
+<a class="jxr_linenumber" name="L253" href="#L253">253</a> }
</pre>
<hr/>
<div id="footer">Copyright © 2003–2015 <a href="http://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</div>
Modified: websites/production/commons/content/proper/commons-math/xref/org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolator.html
==============================================================================
--- websites/production/commons/content/proper/commons-math/xref/org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolator.html (original)
+++ websites/production/commons/content/proper/commons-math/xref/org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolator.html Fri Aug 14 19:12:42 2015
@@ -38,76 +38,79 @@
<a class="jxr_linenumber" name="L30" href="#L30">30</a> <em class="jxr_javadoccomment"> * <a href="<a href="http://www.dudziak.com/microsphere.pdf" target="alexandria_uri">http://www.dudziak.com/microsphere.pdf</a>">MS thesis</a>.</em>
<a class="jxr_linenumber" name="L31" href="#L31">31</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="L32" href="#L32">32</a> <em class="jxr_javadoccomment"> * @since 2.1</em>
-<a class="jxr_linenumber" name="L33" href="#L33">33</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L34" href="#L34">34</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolator.html">MicrosphereInterpolator</a>
-<a class="jxr_linenumber" name="L35" href="#L35">35</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/MultivariateInterpolator.html">MultivariateInterpolator</a> {
-<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"> * Default number of surface elements that composes the microsphere.</em>
-<a class="jxr_linenumber" name="L38" href="#L38">38</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L39" href="#L39">39</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> DEFAULT_MICROSPHERE_ELEMENTS = 2000;
-<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L41" href="#L41">41</a> <em class="jxr_javadoccomment"> * Default exponent used the weights calculation.</em>
-<a class="jxr_linenumber" name="L42" href="#L42">42</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L43" href="#L43">43</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> DEFAULT_BRIGHTNESS_EXPONENT = 2;
-<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L45" href="#L45">45</a> <em class="jxr_javadoccomment"> * Number of surface elements of the microsphere.</em>
-<a class="jxr_linenumber" name="L46" href="#L46">46</a> <em class="jxr_javadoccomment"> */</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">int</strong> microsphereElements;
-<a class="jxr_linenumber" name="L48" href="#L48">48</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L49" href="#L49">49</a> <em class="jxr_javadoccomment"> * Exponent used in the power law that computes the weights of the</em>
-<a class="jxr_linenumber" name="L50" href="#L50">50</a> <em class="jxr_javadoccomment"> * sample data.</em>
-<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> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> brightnessExponent;
-<a class="jxr_linenumber" name="L53" href="#L53">53</a>
-<a class="jxr_linenumber" name="L54" href="#L54">54</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L55" href="#L55">55</a> <em class="jxr_javadoccomment"> * Create a microsphere interpolator with default settings.</em>
-<a class="jxr_linenumber" name="L56" href="#L56">56</a> <em class="jxr_javadoccomment"> * Calling this constructor is equivalent to call {@link</em>
-<a class="jxr_linenumber" name="L57" href="#L57">57</a> <em class="jxr_javadoccomment"> * #MicrosphereInterpolator(int, int)</em>
-<a class="jxr_linenumber" name="L58" href="#L58">58</a> <em class="jxr_javadoccomment"> * MicrosphereInterpolator(MicrosphereInterpolator.DEFAULT_MICROSPHERE_ELEMENTS,</em>
-<a class="jxr_linenumber" name="L59" href="#L59">59</a> <em class="jxr_javadoccomment"> * MicrosphereInterpolator.DEFAULT_BRIGHTNESS_EXPONENT)}.</em>
-<a class="jxr_linenumber" name="L60" href="#L60">60</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L61" href="#L61">61</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolator.html">MicrosphereInterpolator</a>() {
-<a class="jxr_linenumber" name="L62" href="#L62">62</a> <strong class="jxr_keyword">this</strong>(DEFAULT_MICROSPHERE_ELEMENTS, DEFAULT_BRIGHTNESS_EXPONENT);
-<a class="jxr_linenumber" name="L63" href="#L63">63</a> }
-<a class="jxr_linenumber" name="L64" href="#L64">64</a>
-<a class="jxr_linenumber" name="L65" href="#L65">65</a> <em class="jxr_javadoccomment">/** Create a microsphere interpolator.</em>
-<a class="jxr_linenumber" name="L66" href="#L66">66</a> <em class="jxr_javadoccomment"> * @param elements Number of surface elements of the microsphere.</em>
-<a class="jxr_linenumber" name="L67" href="#L67">67</a> <em class="jxr_javadoccomment"> * @param exponent Exponent used in the power law that computes the</em>
-<a class="jxr_linenumber" name="L68" href="#L68">68</a> <em class="jxr_javadoccomment"> * weights (distance dimming factor) of the sample data.</em>
-<a class="jxr_linenumber" name="L69" href="#L69">69</a> <em class="jxr_javadoccomment"> * @throws NotPositiveException if {@code exponent < 0}.</em>
-<a class="jxr_linenumber" name="L70" href="#L70">70</a> <em class="jxr_javadoccomment"> * @throws NotStrictlyPositiveException if {@code elements <= 0}.</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">public</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolator.html">MicrosphereInterpolator</a>(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> elements,
-<a class="jxr_linenumber" name="L73" href="#L73">73</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> exponent)
-<a class="jxr_linenumber" name="L74" href="#L74">74</a> <strong class="jxr_keyword">throws</strong> NotPositiveException,
-<a class="jxr_linenumber" name="L75" href="#L75">75</a> <a href="../../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html">NotStrictlyPositiveException</a> {
-<a class="jxr_linenumber" name="L76" href="#L76">76</a> <strong class="jxr_keyword">if</strong> (exponent < 0) {
-<a class="jxr_linenumber" name="L77" href="#L77">77</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="L78" href="#L78">78</a> }
-<a class="jxr_linenumber" name="L79" href="#L79">79</a> <strong class="jxr_keyword">if</strong> (elements <= 0) {
-<a class="jxr_linenumber" name="L80" href="#L80">80</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html">NotStrictlyPositiveException</a>(elements);
+<a class="jxr_linenumber" name="L33" href="#L33">33</a> <em class="jxr_javadoccomment"> * @deprecated Code will be removed in 4.0. Use {@link InterpolatingMicrosphere}</em>
+<a class="jxr_linenumber" name="L34" href="#L34">34</a> <em class="jxr_javadoccomment"> * and {@link MicrosphereProjectionInterpolator} instead.</em>
+<a class="jxr_linenumber" name="L35" href="#L35">35</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L36" href="#L36">36</a> @Deprecated
+<a class="jxr_linenumber" name="L37" href="#L37">37</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolator.html">MicrosphereInterpolator</a>
+<a class="jxr_linenumber" name="L38" href="#L38">38</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/MultivariateInterpolator.html">MultivariateInterpolator</a> {
+<a class="jxr_linenumber" name="L39" href="#L39">39</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment"> * Default number of surface elements that composes the microsphere.</em>
+<a class="jxr_linenumber" name="L41" href="#L41">41</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L42" href="#L42">42</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> DEFAULT_MICROSPHERE_ELEMENTS = 2000;
+<a class="jxr_linenumber" name="L43" href="#L43">43</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_javadoccomment"> * Default exponent used the weights calculation.</em>
+<a class="jxr_linenumber" name="L45" href="#L45">45</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L46" href="#L46">46</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> DEFAULT_BRIGHTNESS_EXPONENT = 2;
+<a class="jxr_linenumber" name="L47" href="#L47">47</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L48" href="#L48">48</a> <em class="jxr_javadoccomment"> * Number of surface elements of the microsphere.</em>
+<a class="jxr_linenumber" name="L49" href="#L49">49</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L50" href="#L50">50</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> microsphereElements;
+<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"> * Exponent used in the power law that computes the weights of the</em>
+<a class="jxr_linenumber" name="L53" href="#L53">53</a> <em class="jxr_javadoccomment"> * sample data.</em>
+<a class="jxr_linenumber" name="L54" href="#L54">54</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L55" href="#L55">55</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> brightnessExponent;
+<a class="jxr_linenumber" name="L56" href="#L56">56</a>
+<a class="jxr_linenumber" name="L57" href="#L57">57</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L58" href="#L58">58</a> <em class="jxr_javadoccomment"> * Create a microsphere interpolator with default settings.</em>
+<a class="jxr_linenumber" name="L59" href="#L59">59</a> <em class="jxr_javadoccomment"> * Calling this constructor is equivalent to call {@link</em>
+<a class="jxr_linenumber" name="L60" href="#L60">60</a> <em class="jxr_javadoccomment"> * #MicrosphereInterpolator(int, int)</em>
+<a class="jxr_linenumber" name="L61" href="#L61">61</a> <em class="jxr_javadoccomment"> * MicrosphereInterpolator(MicrosphereInterpolator.DEFAULT_MICROSPHERE_ELEMENTS,</em>
+<a class="jxr_linenumber" name="L62" href="#L62">62</a> <em class="jxr_javadoccomment"> * MicrosphereInterpolator.DEFAULT_BRIGHTNESS_EXPONENT)}.</em>
+<a class="jxr_linenumber" name="L63" href="#L63">63</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L64" href="#L64">64</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolator.html">MicrosphereInterpolator</a>() {
+<a class="jxr_linenumber" name="L65" href="#L65">65</a> <strong class="jxr_keyword">this</strong>(DEFAULT_MICROSPHERE_ELEMENTS, DEFAULT_BRIGHTNESS_EXPONENT);
+<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> <em class="jxr_javadoccomment">/** Create a microsphere interpolator.</em>
+<a class="jxr_linenumber" name="L69" href="#L69">69</a> <em class="jxr_javadoccomment"> * @param elements Number of surface elements of the microsphere.</em>
+<a class="jxr_linenumber" name="L70" href="#L70">70</a> <em class="jxr_javadoccomment"> * @param exponent Exponent used in the power law that computes the</em>
+<a class="jxr_linenumber" name="L71" href="#L71">71</a> <em class="jxr_javadoccomment"> * weights (distance dimming factor) of the sample data.</em>
+<a class="jxr_linenumber" name="L72" href="#L72">72</a> <em class="jxr_javadoccomment"> * @throws NotPositiveException if {@code exponent < 0}.</em>
+<a class="jxr_linenumber" name="L73" href="#L73">73</a> <em class="jxr_javadoccomment"> * @throws NotStrictlyPositiveException if {@code elements <= 0}.</em>
+<a class="jxr_linenumber" name="L74" href="#L74">74</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L75" href="#L75">75</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolator.html">MicrosphereInterpolator</a>(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> elements,
+<a class="jxr_linenumber" name="L76" href="#L76">76</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> exponent)
+<a class="jxr_linenumber" name="L77" href="#L77">77</a> <strong class="jxr_keyword">throws</strong> NotPositiveException,
+<a class="jxr_linenumber" name="L78" href="#L78">78</a> <a href="../../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html">NotStrictlyPositiveException</a> {
+<a class="jxr_linenumber" name="L79" href="#L79">79</a> <strong class="jxr_keyword">if</strong> (exponent < 0) {
+<a class="jxr_linenumber" name="L80" href="#L80">80</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="L81" href="#L81">81</a> }
-<a class="jxr_linenumber" name="L82" href="#L82">82</a>
-<a class="jxr_linenumber" name="L83" href="#L83">83</a> microsphereElements = elements;
-<a class="jxr_linenumber" name="L84" href="#L84">84</a> brightnessExponent = exponent;
-<a class="jxr_linenumber" name="L85" href="#L85">85</a> }
-<a class="jxr_linenumber" name="L86" href="#L86">86</a>
-<a class="jxr_linenumber" name="L87" href="#L87">87</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L88" href="#L88">88</a> <em class="jxr_javadoccomment"> * {@inheritDoc}</em>
-<a class="jxr_linenumber" name="L89" href="#L89">89</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L90" href="#L90">90</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/math3/analysis/MultivariateFunction.html">MultivariateFunction</a> interpolate(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[][] xval,
-<a class="jxr_linenumber" name="L91" href="#L91">91</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] yval)
-<a class="jxr_linenumber" name="L92" href="#L92">92</a> <strong class="jxr_keyword">throws</strong> DimensionMismatchException,
-<a class="jxr_linenumber" name="L93" href="#L93">93</a> NoDataException,
-<a class="jxr_linenumber" name="L94" href="#L94">94</a> <a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html">NullArgumentException</a> {
-<a class="jxr_linenumber" name="L95" href="#L95">95</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/math3/random/UnitSphereRandomVectorGenerator.html">UnitSphereRandomVectorGenerator</a> rand
-<a class="jxr_linenumber" name="L96" href="#L96">96</a> = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/random/UnitSphereRandomVectorGenerator.html">UnitSphereRandomVectorGenerator</a>(xval[0].length);
-<a class="jxr_linenumber" name="L97" href="#L97">97</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolatingFunction.html">MicrosphereInterpolatingFunction</a>(xval, yval,
-<a class="jxr_linenumber" name="L98" href="#L98">98</a> brightnessExponent,
-<a class="jxr_linenumber" name="L99" href="#L99">99</a> microsphereElements,
-<a class="jxr_linenumber" name="L100" href="#L100">100</a> rand);
-<a class="jxr_linenumber" name="L101" href="#L101">101</a> }
-<a class="jxr_linenumber" name="L102" href="#L102">102</a> }
+<a class="jxr_linenumber" name="L82" href="#L82">82</a> <strong class="jxr_keyword">if</strong> (elements <= 0) {
+<a class="jxr_linenumber" name="L83" href="#L83">83</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html">NotStrictlyPositiveException</a>(elements);
+<a class="jxr_linenumber" name="L84" href="#L84">84</a> }
+<a class="jxr_linenumber" name="L85" href="#L85">85</a>
+<a class="jxr_linenumber" name="L86" href="#L86">86</a> microsphereElements = elements;
+<a class="jxr_linenumber" name="L87" href="#L87">87</a> brightnessExponent = exponent;
+<a class="jxr_linenumber" name="L88" href="#L88">88</a> }
+<a class="jxr_linenumber" name="L89" href="#L89">89</a>
+<a class="jxr_linenumber" name="L90" href="#L90">90</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L91" href="#L91">91</a> <em class="jxr_javadoccomment"> * {@inheritDoc}</em>
+<a class="jxr_linenumber" name="L92" href="#L92">92</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L93" href="#L93">93</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/math3/analysis/MultivariateFunction.html">MultivariateFunction</a> interpolate(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[][] xval,
+<a class="jxr_linenumber" name="L94" href="#L94">94</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] yval)
+<a class="jxr_linenumber" name="L95" href="#L95">95</a> <strong class="jxr_keyword">throws</strong> DimensionMismatchException,
+<a class="jxr_linenumber" name="L96" href="#L96">96</a> NoDataException,
+<a class="jxr_linenumber" name="L97" href="#L97">97</a> <a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html">NullArgumentException</a> {
+<a class="jxr_linenumber" name="L98" href="#L98">98</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/commons/math3/random/UnitSphereRandomVectorGenerator.html">UnitSphereRandomVectorGenerator</a> rand
+<a class="jxr_linenumber" name="L99" href="#L99">99</a> = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/random/UnitSphereRandomVectorGenerator.html">UnitSphereRandomVectorGenerator</a>(xval[0].length);
+<a class="jxr_linenumber" name="L100" href="#L100">100</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/commons/math3/analysis/interpolation/MicrosphereInterpolatingFunction.html">MicrosphereInterpolatingFunction</a>(xval, yval,
+<a class="jxr_linenumber" name="L101" href="#L101">101</a> brightnessExponent,
+<a class="jxr_linenumber" name="L102" href="#L102">102</a> microsphereElements,
+<a class="jxr_linenumber" name="L103" href="#L103">103</a> rand);
+<a class="jxr_linenumber" name="L104" href="#L104">104</a> }
+<a class="jxr_linenumber" name="L105" href="#L105">105</a> }
</pre>
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