diff --git a/examples/print.php b/examples/print.php
index f7e1798..c06be61 100644
--- a/examples/print.php
+++ b/examples/print.php
@@ -4,9 +4,10 @@
 
 namespace Blobt\Luxcore\scene;
 include dirname(dirname(__FILE__)) . "/vendor/autoload.php";
+use Blobt\Luxcore\file;
+use Blobt\Luxcore\effect;
 
 
-/*
 //设置打印渲染引擎的配置参数
 $renderEngine = new RenderEngine();
 echo $renderEngine;
@@ -15,17 +16,12 @@ echo $renderEngine;
 $openCL = new OpenCL();
 echo $openCL;
 
-//设置打印GPU渲染设备的配置参数
-$native = new Native(['threadsCount' => 64]);
-echo $native;
-
 //设置打印光线跟踪的配置参数
-$path = new Path(['glossinessthreshold' => 0.999]);
+$path = new Path();
 echo $path;
 
 //设置打印 采样器 配置参数
-$sampler = new Sampler(['imagemutationrate' => 0.888]);
-$sampler->random->overlapping = 32;
+$sampler = new Sampler();
 echo $sampler;
 
 //设置打印 灯光策略 配置参数
@@ -35,15 +31,25 @@ echo $lightStrategy;
 //设置打印 文件储存格式 配置参数
 $filesaver = new FileSaver();
 echo $filesaver;
-*/
+
+//设置打印 渲染终止 配置参数
+$batch = new Batch();
+$batch->useNoiseThreshold();
+echo $batch;
+
+//设置打印 场景属性 配置参数
+$scene = new Scene();
+echo $scene;
 
 //设置打印 “胶片” 配置参数
 $film = new Film();
-$film->outputs[] = new ImageSaverBase(['type' => ImageSaverBase::TYPE_RGBA ]);
-$film->outputs[] = new ImageSaverBase(['type' => ImageSaverBase::TYPE_MATERIAL_ID ]);
 
-$film->outputs[] = new ImageSaverNumber(['index' => 2 ]);
-$film->imagepipelines['002'] = [new NoiseReducerOIDN(),new Pretreatment(),new ToneMapAutoLinear(),new ToneMapLinear(),new AnalogFilmSimulation(),new IrradianceContourLines(),new CammaCorrection()];
+$film->outputs[] = new file\ImageSaverBase(['type' => file\ImageSaverBase::TYPE_RGBA ]);
+$film->outputs[] = new file\ImageSaverBase(['type' => file\ImageSaverBase::TYPE_MATERIAL_ID ]);
+
+$film->outputs[] = new file\ImageSaverNumber(['index' => 2 ]);
+$film->imagepipelines['002'] = [new effect\NoiseReducerOIDN(),new effect\Pretreatment(),new effect\ToneMapLinear(),new effect\AnalogFilmSimulation(),new effect\CammaCorrection()];
+
 echo $film;
 
 ?>
diff --git a/src/scene/AnalogFilmSimulation.php b/src/effect/AnalogFilmSimulation.php
similarity index 97%
rename from src/scene/AnalogFilmSimulation.php
rename to src/effect/AnalogFilmSimulation.php
index 2c1a25d..c8ee527 100644
--- a/src/scene/AnalogFilmSimulation.php
+++ b/src/effect/AnalogFilmSimulation.php
@@ -1,7 +1,7 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
-
+namespace Blobt\Luxcore\effect;
+use Blobt\Luxcore\scene\BaseCfg;
 
 class AnalogFilmSimulation extends BaseCfg
 {
diff --git a/src/scene/BackgroundImg.php b/src/effect/BackgroundImg.php
similarity index 90%
rename from src/scene/BackgroundImg.php
rename to src/effect/BackgroundImg.php
index a05af34..43014e3 100644
--- a/src/scene/BackgroundImg.php
+++ b/src/effect/BackgroundImg.php
@@ -1,7 +1,7 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
-
+namespace Blobt\Luxcore\effect;
+use Blobt\Luxcore\scene\BaseCfg;
 
 class BackgroundImg extends BaseCfg
 {
diff --git a/src/scene/Bloom.php b/src/effect/Bloom.php
similarity index 85%
rename from src/scene/Bloom.php
rename to src/effect/Bloom.php
index 753b81a..4b79e4c 100644
--- a/src/scene/Bloom.php
+++ b/src/effect/Bloom.php
@@ -1,6 +1,7 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
+namespace Blobt\Luxcore\effect;
+use Blobt\Luxcore\scene\BaseCfg;
 
 
 class Bloom extends BaseCfg
diff --git a/src/effect/CammaCorrection.php b/src/effect/CammaCorrection.php
new file mode 100644
index 0000000..0533e02
--- /dev/null
+++ b/src/effect/CammaCorrection.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace Blobt\Luxcore\effect;
+use Blobt\Luxcore\scene\BaseCfg;
+
+class CammaCorrection extends BaseCfg
+{
+
+    /**
+     * @var string 颜色映射类型为 gamma2.2校正，（固定取值：GAMMA_CORRECTION）
+     */
+    public $type = "GAMMA_CORRECTION";
+
+    /**
+     * @var float gamma值，（取值：0-100的小数）
+     */
+    public $value = 2.2;
+
+}
+
+?>
diff --git a/src/scene/ColorAberration.php b/src/effect/ColorAberration.php
similarity index 83%
rename from src/scene/ColorAberration.php
rename to src/effect/ColorAberration.php
index a27f1ea..63bfd03 100644
--- a/src/scene/ColorAberration.php
+++ b/src/effect/ColorAberration.php
@@ -1,7 +1,7 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
-
+namespace Blobt\Luxcore\effect;
+use Blobt\Luxcore\scene\BaseCfg;
 
 class ColorAberration extends BaseCfg
 {
diff --git a/src/scene/ColorLUT.php b/src/effect/ColorLUT.php
similarity index 84%
rename from src/scene/ColorLUT.php
rename to src/effect/ColorLUT.php
index d011635..4dac840 100644
--- a/src/scene/ColorLUT.php
+++ b/src/effect/ColorLUT.php
@@ -1,7 +1,7 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
-
+namespace Blobt\Luxcore\effect;
+use Blobt\Luxcore\scene\BaseCfg;
 
 class ColorLUT extends BaseCfg
 {
diff --git a/src/scene/IrradianceContourLines.php b/src/effect/IrradianceContourLines.php
similarity index 91%
rename from src/scene/IrradianceContourLines.php
rename to src/effect/IrradianceContourLines.php
index 61c1cf2..acf9cd9 100644
--- a/src/scene/IrradianceContourLines.php
+++ b/src/effect/IrradianceContourLines.php
@@ -1,7 +1,7 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
-
+namespace Blobt\Luxcore\effect;
+use Blobt\Luxcore\scene\BaseCfg;
 
 class IrradianceContourLines extends BaseCfg
 {
diff --git a/src/scene/Mist.php b/src/effect/Mist.php
similarity index 91%
rename from src/scene/Mist.php
rename to src/effect/Mist.php
index ba9752d..301576a 100644
--- a/src/scene/Mist.php
+++ b/src/effect/Mist.php
@@ -1,7 +1,7 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
-
+namespace Blobt\Luxcore\effect;
+use Blobt\Luxcore\scene\BaseCfg;
 
 class Mist extends BaseCfg
 {
diff --git a/src/scene/NoiseReducerBCD.php b/src/effect/NoiseReducerBCD.php
similarity index 92%
rename from src/scene/NoiseReducerBCD.php
rename to src/effect/NoiseReducerBCD.php
index 340ac08..2c985d7 100644
--- a/src/scene/NoiseReducerBCD.php
+++ b/src/effect/NoiseReducerBCD.php
@@ -1,7 +1,7 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
-
+namespace Blobt\Luxcore\effect;
+use Blobt\Luxcore\scene\BaseCfg;
 
 class NoiseReducerBCD extends BaseCfg
 {
diff --git a/src/scene/NoiseReducerOIDN.php b/src/effect/NoiseReducerOIDN.php
similarity index 86%
rename from src/scene/NoiseReducerOIDN.php
rename to src/effect/NoiseReducerOIDN.php
index de01ad8..8a4d4fa 100644
--- a/src/scene/NoiseReducerOIDN.php
+++ b/src/effect/NoiseReducerOIDN.php
@@ -1,7 +1,7 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
-
+namespace Blobt\Luxcore\effect;
+use Blobt\Luxcore\scene\BaseCfg;
 
 class NoiseReducerOIDN extends BaseCfg
 {
diff --git a/src/scene/Pretreatment.php b/src/effect/Pretreatment.php
similarity index 89%
rename from src/scene/Pretreatment.php
rename to src/effect/Pretreatment.php
index 0b444a5..1a1bfe6 100644
--- a/src/scene/Pretreatment.php
+++ b/src/effect/Pretreatment.php
@@ -1,7 +1,7 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
-
+namespace Blobt\Luxcore\effect;
+use Blobt\Luxcore\scene\BaseCfg;
 
 class Pretreatment extends BaseCfg
 {
diff --git a/src/scene/Synthesis.php b/src/effect/Synthesis.php
similarity index 84%
rename from src/scene/Synthesis.php
rename to src/effect/Synthesis.php
index 43cb67e..9f0e944 100644
--- a/src/scene/Synthesis.php
+++ b/src/effect/Synthesis.php
@@ -1,7 +1,7 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
-
+namespace Blobt\Luxcore\effect;
+use Blobt\Luxcore\scene\BaseCfg;
 
 class Synthesis extends BaseCfg
 {
diff --git a/src/scene/ToneMapAutoLinear.php b/src/effect/ToneMapAutoLinear.php
similarity index 76%
rename from src/scene/ToneMapAutoLinear.php
rename to src/effect/ToneMapAutoLinear.php
index a75c874..a6acfc5 100644
--- a/src/scene/ToneMapAutoLinear.php
+++ b/src/effect/ToneMapAutoLinear.php
@@ -1,7 +1,7 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
-
+namespace Blobt\Luxcore\effect;
+use Blobt\Luxcore\scene\BaseCfg;
 
 class ToneMapAutoLinear extends BaseCfg
 {
diff --git a/src/scene/ToneMapCamera.php b/src/effect/ToneMapCamera.php
similarity index 89%
rename from src/scene/ToneMapCamera.php
rename to src/effect/ToneMapCamera.php
index 9ec27ed..ca59054 100644
--- a/src/scene/ToneMapCamera.php
+++ b/src/effect/ToneMapCamera.php
@@ -1,7 +1,7 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
-
+namespace Blobt\Luxcore\effect;
+use Blobt\Luxcore\scene\BaseCfg;
 
 class ToneMapCamera extends BaseCfg
 {
diff --git a/src/scene/ToneMapLinear.php b/src/effect/ToneMapLinear.php
similarity index 82%
rename from src/scene/ToneMapLinear.php
rename to src/effect/ToneMapLinear.php
index 03ac436..b739cbf 100644
--- a/src/scene/ToneMapLinear.php
+++ b/src/effect/ToneMapLinear.php
@@ -1,7 +1,7 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
-
+namespace Blobt\Luxcore\effect;
+use Blobt\Luxcore\scene\BaseCfg;
 
 class ToneMapLinear extends BaseCfg
 {
diff --git a/src/scene/ToneMapReinhard.php b/src/effect/ToneMapReinhard.php
similarity index 90%
rename from src/scene/ToneMapReinhard.php
rename to src/effect/ToneMapReinhard.php
index 7d62090..5856442 100644
--- a/src/scene/ToneMapReinhard.php
+++ b/src/effect/ToneMapReinhard.php
@@ -1,7 +1,7 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
-
+namespace Blobt\Luxcore\effect;
+use Blobt\Luxcore\scene\BaseCfg;
 
 class ToneMapReinhard extends BaseCfg
 {
diff --git a/src/scene/Vignetting.php b/src/effect/Vignetting.php
similarity index 82%
rename from src/scene/Vignetting.php
rename to src/effect/Vignetting.php
index 6cb30c5..ae587a1 100644
--- a/src/scene/Vignetting.php
+++ b/src/effect/Vignetting.php
@@ -1,7 +1,7 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
-
+namespace Blobt\Luxcore\effect;
+use Blobt\Luxcore\scene\BaseCfg;
 
 class Vignetting extends BaseCfg
 {
diff --git a/src/scene/WhiteBalance.php b/src/effect/WhiteBalance.php
similarity index 89%
rename from src/scene/WhiteBalance.php
rename to src/effect/WhiteBalance.php
index 1e9e275..810dd51 100644
--- a/src/scene/WhiteBalance.php
+++ b/src/effect/WhiteBalance.php
@@ -1,7 +1,7 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
-
+namespace Blobt\Luxcore\effect;
+use Blobt\Luxcore\scene\BaseCfg;
 
 class WhiteBalance extends BaseCfg
 {
diff --git a/src/scene/ImageSaverBase.php b/src/file/ImageSaverBase.php
similarity index 98%
rename from src/scene/ImageSaverBase.php
rename to src/file/ImageSaverBase.php
index f125b07..c4032c6 100644
--- a/src/scene/ImageSaverBase.php
+++ b/src/file/ImageSaverBase.php
@@ -1,7 +1,8 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
+namespace Blobt\Luxcore\file;
 use Blobt\Luxcore\core\Base;
+use Blobt\Luxcore\scene\BaseCfg;
 
 class ImageSaverBase extends BaseCfg
 {
diff --git a/src/scene/ImageSaverNumber.php b/src/file/ImageSaverNumber.php
similarity index 96%
rename from src/scene/ImageSaverNumber.php
rename to src/file/ImageSaverNumber.php
index f5a9ef5..9edb5fa 100644
--- a/src/scene/ImageSaverNumber.php
+++ b/src/file/ImageSaverNumber.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Blobt\Luxcore\scene;
+namespace Blobt\Luxcore\file;
 use Blobt\Luxcore\core\Base;
 
 class ImageSaverNumber extends ImageSaverBase
diff --git a/src/scene/BaseCfg.php b/src/scene/BaseCfg.php
index 4006d02..18fa600 100644
--- a/src/scene/BaseCfg.php
+++ b/src/scene/BaseCfg.php
@@ -77,7 +77,8 @@ class BaseCfg extends Base
             }
             else if(is_null($value))
             {
-                $ret .= "{$className}.{$name} = \"null\"\n";
+                //$ret .= "{$className}.{$name} = \"null\"\n";
+                $ret = $ret;
             } 
             else if(is_float($value))
             {
diff --git a/src/scene/Batch.php b/src/scene/Batch.php
new file mode 100644
index 0000000..c74c221
--- /dev/null
+++ b/src/scene/Batch.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace Blobt\Luxcore\scene;
+use Blobt\Luxcore\core\Base;
+
+class Batch extends BaseCfg
+{
+
+    /**
+     * @var integer 采样次数，（取值：大于0的整数）
+     */
+    public $haltspp = 500;
+
+    /**
+     * @var integer 渲染的时间，单位秒，（取值：大于0的整数）
+     */
+    public $halttime = 0;
+
+    /**
+     * @var float 噪波阈值，（取值：浮点型色值）
+     */
+    public $haltthreshold = 0.02;
+
+    /**
+     * @var object 存储一个 haltThresHold类 对象
+     */
+    public $haltthresholdcfg;
+
+    public function useNoiseThreshold($config= [])
+    {
+        $this->haltthresholdcfg = new HaltThresHold($config);
+    }
+
+}
+
+?>
diff --git a/src/scene/CammaCorrection.php b/src/scene/CammaCorrection.php
deleted file mode 100644
index d5f7779..0000000
--- a/src/scene/CammaCorrection.php
+++ /dev/null
@@ -1,21 +0,0 @@
-<?php
-
-namespace Blobt\Luxcore\scene;
-
-
-class CammaCorrection extends BaseCfg
-{
-
-    /**
-     * @var string 颜色映射类型为 线性倍增，（固定取值：TONEMAP_LINEAR）
-     */
-    public $type = "GAMMA_CORRECTION";
-
-    /**
-     * @var float 亮度增益，（取值：0-100的小数）
-     */
-    public $value = 2.2;
-
-}
-
-?>
diff --git a/src/scene/Film.php b/src/scene/Film.php
index 5e6ac4c..d940c1f 100644
--- a/src/scene/Film.php
+++ b/src/scene/Film.php
@@ -2,6 +2,8 @@
 
 namespace Blobt\Luxcore\scene;
 use Blobt\Luxcore\core\Base;
+use Blobt\Luxcore\file;
+use Blobt\Luxcore\effect;
 
 class Film extends BaseCfg
 {
@@ -16,6 +18,9 @@ class Film extends BaseCfg
      */
     public $filter;
 
+
+
+
     /**
      * 渲染图像的宽度，单位像素（取值：大于0的整数）
      */
@@ -36,6 +41,9 @@ class Film extends BaseCfg
      */
     public $openclDevice = 0;
 
+
+
+
     /**
      * @var array 渲染图像后期处理配置参数
      */
@@ -55,14 +63,14 @@ class Film extends BaseCfg
         $this->noiseEstimation = new NoiseEstimation($config);
         $this->filter = new Filter($config);
         
-        $this->outputs[] = new ImageSaverNumber(['index' => 0]);
-        $this->imagepipelines['000'] = [new Pretreatment(),new ToneMapLinear(),new CammaCorrection()];
+        $this->outputs[] = new file\ImageSaverNumber(['index' => 0]);
+        $this->imagepipelines['000'] = [new effect\Pretreatment(),new effect\ToneMapLinear(),new effect\CammaCorrection()];
 
-        $this->outputs[] = new ImageSaverBase(['type' => 'ALBEDO']);
-        $this->outputs[] = new ImageSaverBase(['type' => 'AVG_SHADING_NORMAL']);
+        $this->outputs[] = new file\ImageSaverBase(['type' => 'ALBEDO']);
+        $this->outputs[] = new file\ImageSaverBase(['type' => 'AVG_SHADING_NORMAL']);
 
-        $this->outputs[] = new ImageSaverNumber(['index' => 1]);
-        $this->imagepipelines['001'] = [new NoiseReducerOIDN(),new Pretreatment(),new ToneMapLinear(),new CammaCorrection()];
+        $this->outputs[] = new file\ImageSaverNumber(['index' => 1]);
+        $this->imagepipelines['001'] = [new effect\NoiseReducerOIDN(),new effect\Pretreatment(),new effect\ToneMapLinear(),new effect\CammaCorrection()];
         Base::__construct($config);
         
     }
diff --git a/src/scene/Filter.php b/src/scene/Filter.php
index e8f1ab2..07a094d 100644
--- a/src/scene/Filter.php
+++ b/src/scene/Filter.php
@@ -17,7 +17,7 @@ class Filter extends BaseCfg
     /**
      * @var string 使用何种抗锯齿类型
      */
-    public $type = self::TYPE_NONE;
+    public $type = self::TYPE_BLACKMANHARRIS;
 
     /**
      * @var float 边缘抗锯齿宽度，单位像素（取值：大于0的数浮点数）
@@ -27,12 +27,12 @@ class Filter extends BaseCfg
     /**
      * @var float 高斯类型抗锯齿过滤器的透明度（取值：0.10-10的浮点数）
      */
-    public $gaussianAlpha = 2;
+    public $gaussianAlpha;
 
     /**
      * @var float “SINC”类型抗锯齿过滤器的参数，TODO：具体作用尚不明确，（取值：0.10-8的浮点数）
      */
-    public $sincTau = 1;
+    public $sincTau;
     
 }
 
diff --git a/src/scene/HaltThresHold.php b/src/scene/HaltThresHold.php
new file mode 100644
index 0000000..15677c2
--- /dev/null
+++ b/src/scene/HaltThresHold.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Blobt\Luxcore\scene;
+use Blobt\Luxcore\core\Base;
+
+class HaltThresHold extends BaseCfg
+{
+
+    /**
+     * @var integer TODO:具体作用尚未明确，（取值：大于1的整数）
+     */
+    public $hwarmup = 64;
+
+    /**
+     * @var integer TODO:具体作用尚未明确，（取值：大于16的整数）
+     */
+    public $step = 64;
+
+    /**
+     * @var bool TODO:具体作用尚未明确，（默认取值：true）
+     */
+    public $filterEnable = true;
+
+    /**
+     * bool 当渲染器状态达到此类参数设置的值，是否停止渲染，（默认取值：true）
+     */
+    public $stoprenderingEnable = true;
+
+}
+
+?>
diff --git a/src/scene/HybridBackforWard.php b/src/scene/HybridBackforWard.php
index 75c6d49..40144cf 100644
--- a/src/scene/HybridBackforWard.php
+++ b/src/scene/HybridBackforWard.php
@@ -13,12 +13,12 @@ class HybridBackforWard extends BaseCfg
     /**
      * @var float 设置 不跟踪光线 所占最大百分比 （取值：0-1）
      */
-    public $partition = 0.8;
+    public $partition = 0;
 
     /**
      * @var float设置区分图像的 平坦区域和非平坦区域 的阀值 （取值：0-1）
      */
-    public $glossinessthreshold = 0.45;
+    public $glossinessthreshold = 0.05;
 
 }
 
diff --git a/src/scene/Native.php b/src/scene/Native.php
index 0661f5c..a2f0362 100644
--- a/src/scene/Native.php
+++ b/src/scene/Native.php
@@ -8,7 +8,7 @@ class Native extends BaseCfg
     /**
      * @var integer //使用多少线程数（取值范围： 大于或等于1的整数）
      */
-    public $threadsCount = 4;
+    public $threadsCount;
     
 }
 
diff --git a/src/scene/OpenCL.php b/src/scene/OpenCL.php
index 6544ca0..35e2641 100644
--- a/src/scene/OpenCL.php
+++ b/src/scene/OpenCL.php
@@ -23,7 +23,7 @@ class OpenCL extends BaseCfg
     /**
      * @var integral GPU渲染模式下，设置CPU是否渲染和多少线程渲染（取值范围： 大于或等于0的整数）
      */
-    public $nativeThreadsCount = 4;
+    public $nativeThreadsCount;
 
 
     /**
diff --git a/src/scene/Path.php b/src/scene/Path.php
index ac84b0f..5cb6cd0 100644
--- a/src/scene/Path.php
+++ b/src/scene/Path.php
@@ -16,6 +16,9 @@ class Path extends BaseCfg
      */
     public $hybridBackforWard;
 
+
+    
+
     /**
      * @var bool 是否限制 单象素光线 最大跟踪数量
      */
diff --git a/src/scene/Sampler.php b/src/scene/Sampler.php
index c05faaf..b6e525c 100644
--- a/src/scene/Sampler.php
+++ b/src/scene/Sampler.php
@@ -38,8 +38,6 @@ class Sampler extends BaseCfg
     public function __construct($config = [])
     {
         $this->sobol = new Sobol($config);
-        $this->random = new Random($config);
-        $this->metropolis = new Metropolis($config);
         Base::__construct($config);
     }
 
diff --git a/src/scene/Scene.php b/src/scene/Scene.php
new file mode 100644
index 0000000..79867c3
--- /dev/null
+++ b/src/scene/Scene.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Blobt\Luxcore\scene;
+use Blobt\Luxcore\core\Base;
+
+class Scene extends BaseCfg
+{
+
+    /**
+     * @var string 设置场景文件名 
+     */
+    public $file = 'scene.scn';
+
+    /**
+     * @var float TODO:具体作用尚未明确，（默认取值：1e-05）
+     */
+    public $epsilonMin = 1e-05;
+
+    /**
+     * @var float TODO:具体作用尚未明确，（默认取值：0.1）
+     */
+    public $epsilonMax = 0.1;
+
+}
+
+?>