diff --git a/.project b/.project
index 714da39..c3a5c86 100644
--- a/.project
+++ b/.project
@@ -24,5 +24,14 @@
 				<arguments>1.0-name-matches-false-false-node_modules</arguments>
 			</matcher>
 		</filter>
+		<filter>
+			<id>1611555258146</id>
+			<name></name>
+			<type>26</type>
+			<matcher>
+				<id>org.eclipse.ui.ide.multiFilter</id>
+				<arguments>1.0-name-matches-false-false-node_modules</arguments>
+			</matcher>
+		</filter>
 	</filteredResources>
 </projectDescription>
diff --git a/Examples/3dtiles.html b/Examples/3dtiles.html
index b56169c..17c073a 100644
--- a/Examples/3dtiles.html
+++ b/Examples/3dtiles.html
@@ -6,7 +6,7 @@
 	<meta http-equiv="X-UA-Compatible" content="IE=edge">
 	<meta name="viewport"
 		content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
-	<title>地形加载</title>
+	<title>3dtiles</title>
 	<link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
 	<script src="../Build/Cesium/Cesium.js"></script>
 	<style>
diff --git "a/Examples/3dtiles_\346\250\241\345\236\213.html" "b/Examples/3dtiles_\346\250\241\345\236\213.html"
index 121180c..5cf3c54 100644
--- "a/Examples/3dtiles_\346\250\241\345\236\213.html"
+++ "b/Examples/3dtiles_\346\250\241\345\236\213.html"
@@ -6,7 +6,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport"
         content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
-    <title>地形加载</title>
+    <title>3dtiles_模型</title>
     <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
     <script src="../Build/Cesium/Cesium.js"></script>
     <style>
diff --git a/Examples/FlowLine.html b/Examples/FlowLine.html
new file mode 100644
index 0000000..dd2dcbf
--- /dev/null
+++ b/Examples/FlowLine.html
@@ -0,0 +1,89 @@
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml">
+
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport"
+        content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
+    <title>FlowLine Style</title>
+    <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
+    <script src="../Build/Cesium/Cesium.js"></script>
+    <script src="plugin/FlowLine.js"></script>
+    <style>
+        html,
+        body,
+        #cesiumContainer {
+            width: 100%;
+            height: 100%;
+            margin: 0;
+            padding: 0;
+            overflow: hidden;
+        }
+    </style>
+
+</head>
+
+<body>
+    <div id="cesiumContainer"></div>
+    
+    <script>
+        let osm = Cesium.createOpenStreetMapImageryProvider({
+            url: 'https://a.tile.openstreetmap.org/'
+        });
+        let viewer = new Cesium.Viewer('cesiumContainer', {
+            imageryProvider: osm,
+            contextOptions: {
+                webgl: {
+                    alpha: true
+                }
+            },
+            selectionIndicator: false,
+            animation: false,  //是否显示动画控件
+            baseLayerPicker: false, //是否显示图层选择控件
+            geocoder: false, //是否显示地名查找控件
+            timeline: false, //是否显示时间线控件
+            sceneModePicker: false, //是否显示投影方式控件
+            navigationHelpButton: false, //是否显示帮助信息控件
+            infoBox: false,  //是否显示点击要素之后显示的信息
+            fullscreenButton: false
+        });
+        //取消双击事件
+        viewer.cesiumWidget.screenSpaceEventHandler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK);
+        //设置homebutton的位置
+        Cesium.Camera.DEFAULT_VIEW_RECTANGLE =
+            Cesium.Rectangle.fromDegrees(110.15, 34.54, 110.25, 34.56);//Rectangle(west, south, east, north)
+        //设置初始位置
+        viewer.camera.setView({
+            destination: Cesium.Cartesian3.fromDegrees(110.20, 34.55, 3000000)
+        });
+
+        //开启深度检测
+        //viewer.scene.globe.depthTestAgainstTerrain = true;
+
+        viewer.entities.add({
+            name: 'PolylineTrail',
+            polyline: {
+                positions: Cesium.Cartesian3.fromDegreesArrayHeights([104, 30, 1000,
+                    114, 30, 1000,
+                    114, 50, 1000,
+                    115, 20, 1000,
+                    118, 30, 1000,
+                    123, 10, 1000,
+                    125, 40, 1000,
+                    126, 30, 1000,
+                    128, 50, 1000,
+                
+                ]),
+                width: 5,
+                material: new Cesium.FlowLineMaterialProperty(Cesium.Color.ORANGE, 3000)
+            }
+        });
+
+
+        viewer.zoomTo(viewer.entities);
+
+    </script>
+</body>
+
+</html>
\ No newline at end of file
diff --git "a/Examples/czml_\345\212\250\346\200\201\350\267\257\345\276\204.html" "b/Examples/czml_\345\212\250\346\200\201\350\267\257\345\276\204.html"
index 3eb302e..e47de70 100644
--- "a/Examples/czml_\345\212\250\346\200\201\350\267\257\345\276\204.html"
+++ "b/Examples/czml_\345\212\250\346\200\201\350\267\257\345\276\204.html"
@@ -6,7 +6,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport"
         content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
-    <title>CZML动态路径</title>
+    <title>czml_动态路径</title>
     <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
     <script src="../Build/Cesium/Cesium.js"></script>
     <style>
@@ -20,25 +20,14 @@
             overflow: hidden;
         }
 
-        #canvas-a {
-            top: 10px;
-            display: none;
-        }
-
-        #canvas-b {
-            top: 120px;
-            display: none;
-        }
+        
     </style>
 
 </head>
 
 <body>
     <div id="cesiumContainer"></div>
-    <video id="trailer" style="display: none;" autoplay="" loop crossorigin controls>
-        <source src="../Source/Video/电站预制舱.mp4" type="video/mp4">
-        Your browser does not support the <code>video</code> element.
-    </video>
+    
     <script>
         let osm = Cesium.createOpenStreetMapImageryProvider({
             url: 'https://a.tile.openstreetmap.org/'
diff --git a/Examples/plugin/FlowLine.js b/Examples/plugin/FlowLine.js
new file mode 100644
index 0000000..f877712
--- /dev/null
+++ b/Examples/plugin/FlowLine.js
@@ -0,0 +1,84 @@
+(function () {
+    /*
+          流动纹理线
+           color 颜色
+           duration 持续时间 毫秒
+        */
+    function FlowLineMaterialProperty(color, duration) {
+        this._definitionChanged = new Cesium.Event();
+        this._color = undefined;
+        this._colorSubscription = undefined;
+        this.color = color;
+        this.duration = duration;
+        this._time = (new Date()).getTime();
+    }
+    Cesium.defineProperties(FlowLineMaterialProperty.prototype, {
+        isConstant: {
+            get: function () {
+                return false;
+            }
+        },
+        definitionChanged: {
+            get: function () {
+                return this._definitionChanged;
+            }
+        },
+        color: Cesium.createPropertyDescriptor('color')
+    });
+    FlowLineMaterialProperty.prototype.getType = function (time) {
+        return 'FlowLine';
+    }
+    FlowLineMaterialProperty.prototype.getValue = function (time, result) {
+        if (!Cesium.defined(result)) {
+            result = {};
+        }
+        result.color = Cesium.Property.getValueOrClonedDefault(this._color, time, Cesium.Color.WHITE, result.color);
+        result.image = Cesium.Material.FlowLineImage;
+        result.time = (((new Date()).getTime() - this._time) % this.duration) / this.duration;
+        return result;
+    }
+    FlowLineMaterialProperty.prototype.equals = function (other) {
+        return this === other ||
+            (other instanceof FlowLineMaterialProperty &&
+                Property.equals(this._color, other._color))
+    }
+    Cesium.FlowLineMaterialProperty = FlowLineMaterialProperty;
+    Cesium.Material.FlowLineType = 'FlowLine';
+    Cesium.Material.FlowLineImage = drawCanvas();
+    Cesium.Material.FlowLineSource = "czm_material czm_getMaterial(czm_materialInput materialInput)\n\
+                                                  {\n\
+                                                       czm_material material = czm_getDefaultMaterial(materialInput);\n\
+                                                       vec2 st = materialInput.st;\n\
+                                                       vec4 colorImage = texture2D(image, vec2(fract(st.s), st.t));\n\
+                                                       material.alpha = colorImage.a * color.a;\n\
+                                                       material.diffuse = colorImage.rgb;\n\
+                                                       return material;\n\
+                                                   }";
+    Cesium.Material._materialCache.addMaterial(Cesium.Material.FlowLineType, {
+        fabric: {
+            type: Cesium.Material.FlowLineType,
+            uniforms: {
+                color: new Cesium.Color(1.0, 1.0, 1.0, 1),
+                image: Cesium.Material.FlowLineImage,
+                time: 0
+            },
+            source: Cesium.Material.FlowLineSource
+        },
+        translucent: function (material) {
+            return true;
+        }
+    });
+
+    function drawCanvas() {
+        let canvas = document.createElement('canvas');
+        canvas.width = 1200;
+        canvas.height = 50;
+        let ctx = canvas.getContext('2d');
+        let grd = ctx.createLinearGradient(0, 0, 1200, 0);
+        grd.addColorStop(0, "rgba(255,255,0,0.2)");
+        grd.addColorStop(1, "rgba(0,255,0,1)");
+        ctx.fillStyle = grd;
+        ctx.fillRect(0, 0, 1200, 50);
+        return canvas.toDataURL("image/png");
+    }
+})()
\ No newline at end of file
diff --git a/Examples/plugin/PrimitivePoints.js b/Examples/plugin/PrimitivePoints.js
index be26dd9..4725ebf 100644
--- a/Examples/plugin/PrimitivePoints.js
+++ b/Examples/plugin/PrimitivePoints.js
@@ -111,7 +111,7 @@ var PrimitivePoints = (
                 v_color =color;\
                 p = czm_modelViewProjectionRelativeToEye * p;\
                 gl_Position = p;\
-                gl_PointSize=8.0;\
+                gl_PointSize=4.0;\
             }\
             ";
         }
diff --git a/Examples/plugin/TerrainClipPlan.js b/Examples/plugin/TerrainClipPlan.js
new file mode 100644
index 0000000..566fc02
--- /dev/null
+++ b/Examples/plugin/TerrainClipPlan.js
@@ -0,0 +1,266 @@
+(function () {
+    "use strict";
+
+    function a(e, t) {
+        if (!(e instanceof t)) throw new TypeError("Cannot call a class as a function")
+    }
+    Object.defineProperty(Cesium, "__esModule", {
+        value: !0
+    }),
+        Cesium.TerrainClipPlan = void 0;
+    var n = function () {
+        function e(e, t) {
+            for (var i = 0; i < t.length; i++) {
+                var a = t[i];
+                a.enumerable = a.enumerable || !1, a.configurable = !0, "value" in a && (a.writable = !0), Object.defineProperty(e, a.key, a)
+            }
+        }
+        return function (t, i, a) {
+            return i && e(t.prototype, i), a && e(t, a), t
+        }
+    }();
+    Cesium.TerrainClipPlan = function () {
+        function e(t, i) {
+            a(this, e),
+                this.viewer = t,
+                this.options = i || {},
+                this._positions = i.positions,
+                this._height = this.options.height || 0,
+                this.bottomImg = i.bottomImg,
+                this.wallImg = i.wallImg,
+                this.splitNum = Cesium.defaultValue(i.splitNum, 50),
+                this._positions && this._positions.length > 0 && this.updateData(this._positions)
+        }
+        return n(e, [{
+            key: "updateData",
+            value: function (e) {
+                this.clear();
+                var t = [],
+                    i = e.length,
+                    a = new Cesium.Cartesian3,
+                    n = Cesium.Cartesian3.subtract(e[0], e[1], a);
+                n = n.x > 0, this.excavateMinHeight = 9999;
+                for (var r = 0; r < i; ++r) {
+                    var s = (r + 1) % i,
+                        l = Cesium.Cartesian3.midpoint(e[r], e[s], new Cesium.Cartesian3),
+                        u = Cesium.Cartographic.fromCartesian(e[r]),
+                        c = viewer.scene.globe.getHeight(u) || u.height;
+                    c < this.excavateMinHeight && (this.excavateMinHeight = c);
+                    var d, h = Cesium.Cartesian3.normalize(l, new Cesium.Cartesian3);
+                    d = n ? Cesium.Cartesian3.subtract(e[r], l, new Cesium.Cartesian3) : Cesium.Cartesian3.subtract(e[s], l, new Cesium.Cartesian3), d = Cesium.Cartesian3.normalize(d, d);
+                    var f = Cesium.Cartesian3.cross(d, h, new Cesium.Cartesian3);
+                    f = Cesium.Cartesian3.normalize(f, f);
+                    var p = new Cesium.Plane(f, 0),
+                        m = Cesium.Plane.getPointDistance(p, l);
+                    t.push(new Cesium.ClippingPlane(f, m))
+                }
+                this.viewer.scene.globe.clippingPlanes = new Cesium.ClippingPlaneCollection({
+                    planes: t,
+                    edgeWidth: 1,
+                    edgeColor: Cesium.Color.WHITE,
+                    enabled: !0
+                }), this._prepareWell(e), this._createWell(this.wellData)
+            }
+        }, {
+            key: "clear",
+            value: function () {
+                this.viewer.scene.globe.clippingPlanes && (this.viewer.scene.globe.clippingPlanes.enabled = !1, this.viewer.scene.globe.clippingPlanes.removeAll(), this.viewer.scene.globe.clippingPlanes.isDestroyed() || this.viewer.scene.globe.clippingPlanes.destroy()), this.viewer.scene.globe.clippingPlanes = void 0, this.bottomSurface && this.viewer.scene.primitives.remove(this.bottomSurface), this.wellWall && this.viewer.scene.primitives.remove(this.wellWall), delete this.bottomSurface, delete this.wellWall, this.viewer.scene.render()
+            }
+        }, {
+            key: "_prepareWell",
+            value: function (e) {
+                var t = this.splitNum,
+                    i = e.length;
+                if (0 != i) {
+                    for (var a = this.excavateMinHeight - this.height, n = [], r = [], s = [], l = 0; l < i; l++) {
+                        var u = l == i - 1 ? 0 : l + 1,
+                            c = Cesium.Cartographic.fromCartesian(e[l]),
+                            d = Cesium.Cartographic.fromCartesian(e[u]),
+                            h = [c.longitude, c.latitude],
+                            f = [d.longitude, d.latitude];
+
+                        0 == l && (
+                            s.push(new Cesium.Cartographic(h[0], h[1])),
+                            r.push(Cesium.Cartesian3.fromRadians(h[0], h[1], a)),
+                            n.push(Cesium.Cartesian3.fromRadians(h[0], h[1], 0)));
+
+                        for (var p = 1; p <= t; p++) {
+                            var m = Cesium.Math.lerp(h[0], f[0], p / t),
+                                g = Cesium.Math.lerp(h[1], f[1], p / t);
+                            l == i - 1 && p == t || (
+                                s.push(new Cesium.Cartographic(m, g)),
+                                r.push(Cesium.Cartesian3.fromRadians(m, g, a)),
+                                n.push(Cesium.Cartesian3.fromRadians(m, g, 0)))
+                        }
+                    }
+                    this.wellData = {
+                        lerp_pos: s,
+                        bottom_pos: r,
+                        no_height_top: n
+                    }
+                }
+            }
+        }, {
+            key: "_createWell",
+            value: function (e) {
+                if (Boolean(this.viewer.terrainProvider._layers)) {
+                    var t = this;
+                    this._createBottomSurface(e.bottom_pos);
+                    var i = Cesium.sampleTerrainMostDetailed(viewer.terrainProvider, e.lerp_pos);
+                    Cesium.when(i, function (i) {
+                        for (var a = i.length, n = [], r = 0; r < a; r++) {
+                            var s = Cesium.Cartesian3.fromRadians(i[r].longitude, i[r].latitude, i[r].height);
+                            n.push(s)
+                        }
+                        t._createWellWall(e.bottom_pos, n)
+                    })
+                } else {
+                    this._createBottomSurface(e.bottom_pos);
+                    this._createWellWall(e.bottom_pos, e.no_height_top)
+                }
+            }
+        }, {
+            key: "_getMinHeight",
+            value: function (e) {
+                let minHeight = 5000000;
+                let minPoint = null;
+                for (let i = 0; i < e.length; i++) {
+                    let height = e[i]['z'];
+                    if (height < minHeight) {
+                        minHeight = height;
+                        minPoint = this._ellipsoidToLonLat(e[i]);
+                    }
+                }
+                return minPoint.altitude;
+            }
+        }, {
+            key: "_ellipsoidToLonLat",
+            value: function (c) {
+                let ellipsoid = viewer.scene.globe.ellipsoid;
+                let cartesian3 = new Cesium.Cartesian3(c.x, c.y, c.z);
+                let cartographic = ellipsoid.cartesianToCartographic(cartesian3);
+                let lat = Cesium.Math.toDegrees(cartographic.latitude);
+                let lng = Cesium.Math.toDegrees(cartographic.longitude);
+                let alt = cartographic.height;
+                return {
+                    longitude: lng,
+                    latitude: lat,
+                    altitude: alt
+                }
+            }
+        }, {
+            key: "_createWellWall",
+            value: function (e, t) {
+                let minHeight = this._getMinHeight(e);
+                let maxHeights = [];
+                let minHeights = [];
+                for (let i = 0; i < t.length; i++) {
+                    maxHeights.push(this._ellipsoidToLonLat(t[i]).altitude);
+                    minHeights.push(minHeight);
+                }
+                let wall = new Cesium.WallGeometry({
+                    positions: t,
+                    maximumHeights: maxHeights,
+                    minimumHeights: minHeights,
+                });
+                let geometry = Cesium.WallGeometry.createGeometry(wall);
+                var a = new Cesium.Material({
+                    fabric: {
+                        type: "Image",
+                        uniforms: {
+                            image: this.wallImg
+                        }
+                    }
+                }),
+                    n = new Cesium.MaterialAppearance({
+                        translucent: !1,
+                        flat: !0,
+                        material: a
+                    });
+                this.wellWall = new Cesium.Primitive({
+                    geometryInstances: new Cesium.GeometryInstance({
+                        geometry: geometry,
+                        attributes: {
+                            color: Cesium.ColorGeometryInstanceAttribute.fromColor(Cesium.Color.GREY)
+                        },
+                        id: "PitWall"
+                    }),
+                    appearance: n,
+                    asynchronous: !1
+                }), this.viewer.scene.primitives.add(this.wellWall)
+            }
+        }, {
+            key: "_createBottomSurface",
+            value: function (e) {
+                if (e.length) {
+                    let minHeight = this._getMinHeight(e);
+                    let positions = [];
+                    for (let i = 0; i < e.length; i++) {
+                        let p = this._ellipsoidToLonLat(e[i]);
+                        positions.push(p.longitude);
+                        positions.push(p.latitude);
+                        positions.push(minHeight);
+                    }
+
+                    let polygon = new Cesium.PolygonGeometry({
+                        polygonHierarchy: new Cesium.PolygonHierarchy(
+                            Cesium.Cartesian3.fromDegreesArrayHeights(positions)
+                        ),
+                        perPositionHeight : true
+                    });
+                    let geometry = Cesium.PolygonGeometry.createGeometry(polygon);
+
+
+                    var i = new Cesium.Material({
+                        fabric: {
+                            type: "Image",
+                            uniforms: {
+                                image: this.bottomImg
+                            }
+                        }
+                    }),
+                        a = new Cesium.MaterialAppearance({
+                            translucent: !1,
+                            flat: !0,
+                            material: i
+                        });
+                    this.bottomSurface = new Cesium.Primitive({
+                        geometryInstances: new Cesium.GeometryInstance({
+                            geometry: geometry
+                        }),
+                        appearance: a,
+                        asynchronous: !1
+                    }), this.viewer.scene.primitives.add(this.bottomSurface)
+                }
+            }
+        }, {
+            key: "_switchExcavate",
+            value: function (e) {
+                e ? (this.viewer.scene.globe.material = Cesium.Material.fromType("WaJue"), this.wellWall.show = !0, this.bottomSurface.show = !0) : (this.viewer.scene.globe.material = null, this.wellWall.show = !1, this.bottomSurface.show = !1)
+            }
+        }, {
+            key: "_updateExcavateDepth",
+            value: function (e) {
+                this.bottomSurface && this.viewer.scene.primitives.remove(this.bottomSurface), this.wellWall && this.viewer.scene.primitives.remove(this.wellWall);
+                for (var t = this.wellData.lerp_pos, i = [], a = t.length, n = 0; n < a; n++) i.push(Cesium.Cartesian3.fromRadians(t[n].longitude, t[n].latitude, this.excavateMinHeight - e));
+                this.wellData.bottom_pos = i, this._createWell(this.wellData), this.viewer.scene.primitives.add(this.bottomSurface), this.viewer.scene.primitives.add(this.wellWall)
+            }
+        }, {
+            key: "show",
+            get: function () {
+                return this._show
+            },
+            set: function (e) {
+                this._show = e, this.viewer.scene.globe.clippingPlanes && (this.viewer.scene.globe.clippingPlanes.enabled = e), this._switchExcavate(e)
+            }
+        }, {
+            key: "height",
+            get: function () {
+                return this._height
+            },
+            set: function (e) {
+                this._height = e, this._updateExcavateDepth(e)
+            }
+        }]), e
+    }()
+})()
\ No newline at end of file
diff --git a/Examples/plugin/ecefLlhEnu.js b/Examples/plugin/ecefLlhEnu.js
new file mode 100644
index 0000000..7780ffa
--- /dev/null
+++ b/Examples/plugin/ecefLlhEnu.js
@@ -0,0 +1,219 @@
+
+function mathTool() {
+    this.PI = 3.141592653589793238;
+    this.a = 6378137.0;
+    this.b = 6356752.3142
+    this.f = (this.a - this.b) / this.a;
+    this.e_sq = this.f * (2.0 - this.f);
+    this.ee = 0.00669437999013;
+    this.WGSF = 1 / 298.257223563;
+    this.WGSe2 = this.WGSF * (2 - this.WGSF);
+    this.WGSa = 6378137.00000;
+    this.EPSILON = 1.0e-12;
+}
+
+/*
+*解算坐标
+*@point 原点
+*@azimuth 方位角
+*@elevation 仰角
+*@distance 距离
+*/
+mathTool.prototype.CalculateCoordinates = function (point, azimuth, elevation, distance) {
+    let vertical_height = distance * Math.sin(2 * this.PI / 360 * elevation);//垂直高度
+    let horizontal_distance = distance * Math.cos(2 * this.PI / 360 * elevation);//水平距离
+    if (azimuth > 360) azimuth = azimuth % 360;
+    if (azimuth < 0) azimuth = 360 + (azimuth % 360);
+
+    let point = this.lonLat2WebMercator(point);
+    let lnglat = null;
+
+    if (azimuth <= 90) {//第四象限
+        let x_length = horizontal_distance * Math.cos(2 * this.PI / 360 * azimuth);
+        let y_length = horizontal_distance * Math.sin(2 * this.PI / 360 * azimuth);
+        lnglat = {
+            x: point.x + x_length,
+            y: point.y - y_length
+        }
+    } else if (azimuth > 90 && azimuth <= 180) {//第三象限
+        let x_length = horizontal_distance * Math.sin(2 * this.PI / 360 * (azimuth - 90));
+        let y_length = horizontal_distance * Math.cos(2 * this.PI / 360 * (azimuth - 90));
+        lnglat = {
+            x: point.x - x_length,
+            y: point.y - y_length
+        }
+    } else if (azimuth > 180 && azimuth <= 270) {//第二象限
+        let x_length = horizontal_distance * Math.cos(2 * this.PI / 360 * (azimuth - 180));
+        let y_length = horizontal_distance * Math.sin(2 * this.PI / 360 * (azimuth - 180));
+        lnglat = {
+            x: point.x - x_length,
+            y: point.y + y_length
+        }
+    } else {//第一象限
+        let x_length = horizontal_distance * Math.sin(2 * this.PI / 360 * (azimuth - 270));
+        let y_length = horizontal_distance * Math.cos(2 * this.PI / 360 * (azimuth - 270));
+        lnglat = {
+            x: point.x + x_length,
+            y: point.y + y_length
+        }
+    }
+    lnglat = this.webMercator2LonLat(lnglat);
+    return {
+        lng: lnglat.x,
+        lat: lnglat.y,
+        height: vertical_height
+    }
+}
+/*
+    *经纬度转Web墨卡托
+    *@lonLat 经纬度
+    */
+mathTool.prototype.lonLat2WebMercator = function (lonLat) {
+    let x = lonLat.x * this.a / 180;
+    let y = Math.log(Math.tan((90 + lonLat.y) * this.PI / 360)) / (this.PI / 180);
+    y = y * this.a / 180;
+    return {
+        x: x,
+        y: y
+    }
+}
+/*
+    *Web墨卡托转经纬度
+    *@mercator 平面坐标
+    */
+mathTool.prototype.webMercator2LonLat = function (mercator) {
+    let x = mercator.x / this.a * 180;
+    let y = mercator.y / this.a * 180;
+    y = 180 / this.PI * (2 * (Math.exp(y * this.PI / 180)) - this.PI / 2);
+    return {
+        x: x,
+        y: y
+    }
+}
+
+mathTool.prototype.get_atan = function (z, y) {
+    let x;
+    if (z == 0) {
+        x = this.PI / 2;
+    } else {
+        if (y == 0) {
+            x = this.PI;
+        } else {
+            x = Math.atan(Math.abs(y / z));
+            if ((y > 0) && (z < 0)) {
+                x = this.PI - x;
+            } else if ((y < 0) && (z < 0)) {
+                x = this.PI + x;
+            } else if ((y < 0) && (z > 0)) {
+                x = 2 * this.M_PI - x;
+            }
+        }
+    }
+    return x;
+}
+//WGS84转ECEF坐标系
+mathTool.prototype.ConvertLLAToXYZ = function (LLACoor) {
+    let lon = this.PI / 180 * LLACoor.longitude;
+    let lat = this.PI / 180 * LLACoor.latitude;
+    let H = LLACoor.altitude;
+    let N0 = this.a / Math.sqrt(1.0 - this.ee * Math.sin(lat) * Math.sin(lat));
+    let x = (N0 + H) * Math.cos(lat) * Math.cos(lon);
+    let y = (N0 + H) * Math.cos(lat) * Math.sin(lon);
+    let z = (N0 * (1.0 - this.ee) + H) * Math.sin(lat);
+    return {
+        x: x,
+        y: y,
+        z: z
+    }
+}
+
+//ECEF坐标系转WGS84
+mathTool.prototype.ConvertXYZToLLA = function (XYZCoor) {
+    let longitude = this.get_atan(XYZCoor.x, XYZCoor.y);
+    if (longitude < 0) {
+        longitude = longitude + this.PI;
+    }
+    let latitude = this.get_atan(Math.sqrt(XYZCoor.x * XYZCoor.x + XYZCoor.y * XYZCoor.y), XYZCoor.z);
+
+    let W = Math.sqrt(1 - this.WGSe2 * Math.sin(latitude) * Math.sin(latitude));
+    let N = this.WGSa / W;
+    let B1;
+    do {
+        B1 = latitude;
+        W = Math.sqrt(1 - this.WGSe2 * Math.sin(B1) * Math.sin(B1));
+        N = this.WGSa / W;
+        latitude = this.get_atan(Math.sqrt(XYZCoor.x * XYZCoor.x + XYZCoor.y * XYZCoor.y), (XYZCoor.z + N * this.WGSe2 * Math.sin(B1)));
+    }
+    while (Math.abs(latitude - B1) > this.EPSILON);
+
+    altitude = Math.sqrt(XYZCoor.x * XYZCoor.x + XYZCoor.y * XYZCoor.y) / Math.cos(latitude) - this.WGSa / Math.sqrt(1 - this.WGSe2 * Math.sin(latitude) * Math.sin(latitude));
+
+    return {
+        longitude: longitude * 180 / this.PI,
+        latitude: latitude * 180 / this.PI,
+        altitude: altitude
+    }
+}
+/*北东天坐标系转WGS84
+@ a A点坐标
+@ p 相对参数，距离、方位角、仰角
+*/
+mathTool.prototype.enu_to_ecef = function (a, p) {
+    //距离
+    let distance = p.distance;
+    //方位角
+    let azimuth = p.azimuth;
+    //仰角
+    let elevation = p.elevation;
+
+    let zUp = elevation >= 0 ? distance * Math.sin(this.PI / 180 * elevation) : (-1) * distance * Math.sin(this.PI / 180 * Math, abs(elevation));
+
+    let d = distance * Math.cos(this.PI / 180 * Math.abs(elevation));
+    let xEast;
+    let yNorth;
+    if (azimuth <= 90) {
+        xEast = d * Math.sin(this.PI / 180 * azimuth);
+        yNorth = d * Math.cos(this.PI / 180 * azimuth);
+    } else if (azimuth > 90 && azimuth < 180) {
+        xEast = d * Math.cos(this.PI / 180 * (azimuth - 90));
+        yNorth = (-1)*d * Math.sin(this.PI / 180 * (azimuth - 90));
+    } else if (azimuth > 180 && azimuth < 270) {
+        xEast = (-1) * d * Math.sin(this.PI / 180 * (azimuth - 180));
+        yNorth =(-1) *  d * Math.cos(this.PI / 180 * (azimuth - 180));
+    } else {
+        xEast = (-1) * d * Math.sin(this.PI / 180 * (360 - azimuth));
+        yNorth =  d * Math.cos(this.PI / 180 * (360 - azimuth));
+    }
+
+    let lamb = this.radians(a.latitude);
+    let phi = this.radians(a.longitude);
+    let h0 = a.altitude;
+
+    let s = Math.sin(lamb);
+    let N = this.a / Math.sqrt(1.0 - this.e_sq * s * s);
+
+    let sin_lambda = Math.sin(lamb);
+    let cos_lambda = Math.cos(lamb);
+
+    let sin_phi = Math.sin(phi);
+    let cos_phi = Math.cos(phi);
+
+    let x0 = (h0 + N) * cos_lambda * cos_phi;
+    let y0 = (h0 + N) * cos_lambda * sin_phi;
+    let z0 = (h0 + (1 - this.e_sq) * N) * sin_lambda;
+
+    let t = cos_lambda * zUp - sin_lambda * yNorth;
+
+    let zd = sin_lambda * zUp + cos_lambda * yNorth;
+    let xd = cos_phi * t - sin_phi * xEast;
+    let yd = sin_phi * t + cos_phi * xEast;
+
+    return this.ConvertXYZToLLA({
+        x: xd + x0,
+        y: yd + y0,
+        z: zd + z0
+    })
+}
+mathTool.prototype.radians = function (degree) {
+    return this.PI / 180 * degree;
+}
\ No newline at end of file
diff --git a/Examples/primitive.html b/Examples/primitive.html
index d966786..15654ac 100644
--- a/Examples/primitive.html
+++ b/Examples/primitive.html
@@ -6,7 +6,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport"
         content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
-    <title>Primitive几何</title>
+    <title>primitive</title>
     <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
     <script src="../Build/Cesium/Cesium.js"></script>
     <style>
diff --git "a/Examples/primitive_\345\220\210\345\271\266.html" "b/Examples/primitive_\345\220\210\345\271\266.html"
index 089ba4b..f584ce0 100644
--- "a/Examples/primitive_\345\220\210\345\271\266.html"
+++ "b/Examples/primitive_\345\220\210\345\271\266.html"
@@ -6,7 +6,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport"
         content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
-    <title>Entity实体</title>
+    <title>primitive_合并</title>
     <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
     <script src="../Build/Cesium/Cesium.js"></script>
     <style>
diff --git "a/Examples/primitive_\345\274\225\347\224\250.html" "b/Examples/primitive_\345\274\225\347\224\250.html"
index 51db986..504313d 100644
--- "a/Examples/primitive_\345\274\225\347\224\250.html"
+++ "b/Examples/primitive_\345\274\225\347\224\250.html"
@@ -6,7 +6,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport"
         content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
-    <title>Entity实体</title>
+    <title>primitive_引用</title>
     <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
     <script src="../Build/Cesium/Cesium.js"></script>
     <style>
diff --git "a/Examples/primitive_\346\213\276\345\217\226.html" "b/Examples/primitive_\346\213\276\345\217\226.html"
index 1e30144..ebe948c 100644
--- "a/Examples/primitive_\346\213\276\345\217\226.html"
+++ "b/Examples/primitive_\346\213\276\345\217\226.html"
@@ -6,7 +6,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport"
         content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
-    <title>Entity实体</title>
+    <title>primitive_拾取</title>
     <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
     <script src="../Build/Cesium/Cesium.js"></script>
     <style>
diff --git "a/Examples/primitive_\346\233\264\346\226\260.html" "b/Examples/primitive_\346\233\264\346\226\260.html"
index 43044dd..4a53f2f 100644
--- "a/Examples/primitive_\346\233\264\346\226\260.html"
+++ "b/Examples/primitive_\346\233\264\346\226\260.html"
@@ -6,7 +6,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport"
         content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
-    <title>Entity实体</title>
+    <title>primitive_更新</title>
     <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
     <script src="../Build/Cesium/Cesium.js"></script>
     <style>
diff --git "a/Examples/\345\212\250\346\200\201\347\253\213\344\275\223\345\242\231.html" "b/Examples/\345\212\250\346\200\201\347\253\213\344\275\223\345\242\231.html"
index 7a6282c..10878a1 100644
--- "a/Examples/\345\212\250\346\200\201\347\253\213\344\275\223\345\242\231.html"
+++ "b/Examples/\345\212\250\346\200\201\347\253\213\344\275\223\345\242\231.html"
@@ -6,7 +6,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport"
         content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
-    <title>流动纹理</title>
+    <title>动态立体墙</title>
     <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
     <script src="../Build/Cesium/Cesium.js"></script>
     <style>
diff --git "a/Examples/\345\217\257\350\247\206\345\237\237\345\210\206\346\236\220_3DTiles.html" "b/Examples/\345\217\257\350\247\206\345\237\237\345\210\206\346\236\220_3DTiles.html"
index 031e6fd..7fcdd85 100644
--- "a/Examples/\345\217\257\350\247\206\345\237\237\345\210\206\346\236\220_3DTiles.html"
+++ "b/Examples/\345\217\257\350\247\206\345\237\237\345\210\206\346\236\220_3DTiles.html"
@@ -6,7 +6,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport"
         content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
-    <title>可视域分析-地形</title>
+    <title>可视域分析_3DTiles</title>
     <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
     <script src="../Build/Cesium/Cesium.js"></script>
     <script src="plugin/MathTools.js"></script>
diff --git "a/Examples/\345\217\257\350\247\206\345\237\237\345\210\206\346\236\220_\345\200\276\346\226\234\346\221\204\345\275\261.html" "b/Examples/\345\217\257\350\247\206\345\237\237\345\210\206\346\236\220_\345\200\276\346\226\234\346\221\204\345\275\261.html"
new file mode 100644
index 0000000..69feec7
--- /dev/null
+++ "b/Examples/\345\217\257\350\247\206\345\237\237\345\210\206\346\236\220_\345\200\276\346\226\234\346\221\204\345\275\261.html"
@@ -0,0 +1,282 @@
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml">
+
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport"
+        content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
+    <title>可视域分析_倾斜摄影</title>
+    <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
+    <script src="../Build/Cesium/Cesium.js"></script>
+    <script src="plugin/sensor.js"></script>
+    <script src="plugin/getCurrentMousePosition.js"></script>
+    <script src="plugin/ViewShed3D.js"></script>
+    <style>
+        html,
+        body,
+        #cesiumContainer {
+            width: 100%;
+            height: 100%;
+            margin: 0;
+            padding: 0;
+            overflow: hidden;
+        }
+
+        #menu {
+            position: absolute;
+            top: 80px;
+            left: 10px;
+            z-index: 999;
+        }
+    </style>
+
+</head>
+
+<body>
+    <div id="cesiumContainer"></div>
+    <div id="menu">
+        <p>
+            <button onclick="setvisible('add')">添加</button>
+        </p>
+        <p>
+            <button onclick="setvisible('clear')">清除</button>
+        </p>
+    </div>
+    <script id="fragment-shader" type="notjs">
+uniform float czzj;
+uniform float dis;
+uniform float spzj;
+uniform vec3 visibleColor;
+uniform vec3 disVisibleColor;
+uniform float mixNum;
+uniform sampler2D colorTexture;
+uniform sampler2D stcshadow; 
+uniform sampler2D depthTexture;
+uniform mat4 _shadowMap_matrix; 
+uniform vec4 shadowMap_lightPositionEC; 
+uniform vec4 shadowMap_lightDirectionEC;
+uniform vec3 shadowMap_lightUp;
+uniform vec3 shadowMap_lightDir;
+uniform vec3 shadowMap_lightRight;
+uniform vec4 shadowMap_normalOffsetScaleDistanceMaxDistanceAndDarkness; 
+uniform vec4 shadowMap_texelSizeDepthBiasAndNormalShadingSmooth; 
+varying vec2 v_textureCoordinates;
+vec4 toEye(in vec2 uv, in float depth){
+    vec2 xy = vec2((uv.x * 2.0 - 1.0),(uv.y * 2.0 - 1.0));
+    vec4 posInCamera =czm_inverseProjection * vec4(xy, depth, 1.0);
+    posInCamera =posInCamera / posInCamera.w;
+    return posInCamera;
+}
+float getDepth(in vec4 depth){
+    float z_window = czm_unpackDepth(depth);
+    z_window = czm_reverseLogDepth(z_window);
+    float n_range = czm_depthRange.near;
+    float f_range = czm_depthRange.far;
+    return (2.0 * z_window - n_range - f_range) / (f_range - n_range);
+}
+float _czm_sampleShadowMap(sampler2D shadowMap, vec2 uv){
+    return texture2D(shadowMap, uv).r;
+}
+float _czm_shadowDepthCompare(sampler2D shadowMap, vec2 uv, float depth){
+    return step(depth, _czm_sampleShadowMap(shadowMap, uv));
+}
+float _czm_shadowVisibility(sampler2D shadowMap, czm_shadowParameters shadowParameters){
+    float depthBias = shadowParameters.depthBias;
+    float depth = shadowParameters.depth;
+    float nDotL = shadowParameters.nDotL;
+    float normalShadingSmooth = shadowParameters.normalShadingSmooth;
+    float darkness = shadowParameters.darkness;
+    vec2 uv = shadowParameters.texCoords;
+    depth -= depthBias;
+    vec2 texelStepSize = shadowParameters.texelStepSize;
+    float radius = 1.0;
+    float dx0 = -texelStepSize.x * radius;
+    float dy0 = -texelStepSize.y * radius;
+    float dx1 = texelStepSize.x * radius;
+    float dy1 = texelStepSize.y * radius;
+    float visibility = 
+    (
+    _czm_shadowDepthCompare(shadowMap, uv, depth)
+    +_czm_shadowDepthCompare(shadowMap, uv + vec2(dx0, dy0), depth) +
+    _czm_shadowDepthCompare(shadowMap, uv + vec2(0.0, dy0), depth) +
+    _czm_shadowDepthCompare(shadowMap, uv + vec2(dx1, dy0), depth) +
+    _czm_shadowDepthCompare(shadowMap, uv + vec2(dx0, 0.0), depth) +
+    _czm_shadowDepthCompare(shadowMap, uv + vec2(dx1, 0.0), depth) +
+    _czm_shadowDepthCompare(shadowMap, uv + vec2(dx0, dy1), depth) +
+    _czm_shadowDepthCompare(shadowMap, uv + vec2(0.0, dy1), depth) +
+    _czm_shadowDepthCompare(shadowMap, uv + vec2(dx1, dy1), depth)
+    ) * (1.0 / 9.0)
+    ;
+    return visibility;
+}
+vec3 pointProjectOnPlane(in vec3 planeNormal, in vec3 planeOrigin, in vec3 point){
+    vec3 v01 = point -planeOrigin;
+    float d = dot(planeNormal, v01) ;
+    return (point - planeNormal * d);
+}
+float ptm(vec3 pt){
+    return sqrt(pt.x*pt.x + pt.y*pt.y + pt.z*pt.z);
+}
+void main() 
+{ 
+    const float PI = 3.141592653589793;
+    vec4 color = texture2D(colorTexture, v_textureCoordinates);
+    vec4 currD = texture2D(depthTexture, v_textureCoordinates);
+    if(currD.r>=1.0){
+        gl_FragColor = color;
+        return;
+    }
+    
+    float depth = getDepth(currD);
+    vec4 positionEC = toEye(v_textureCoordinates, depth);
+    vec3 normalEC = vec3(1.0);
+    czm_shadowParameters shadowParameters; 
+    shadowParameters.texelStepSize = shadowMap_texelSizeDepthBiasAndNormalShadingSmooth.xy; 
+    shadowParameters.depthBias = shadowMap_texelSizeDepthBiasAndNormalShadingSmooth.z; 
+    shadowParameters.normalShadingSmooth = shadowMap_texelSizeDepthBiasAndNormalShadingSmooth.w; 
+    shadowParameters.darkness = shadowMap_normalOffsetScaleDistanceMaxDistanceAndDarkness.w; 
+    shadowParameters.depthBias *= max(depth * 0.01, 1.0); 
+    vec3 directionEC = normalize(positionEC.xyz - shadowMap_lightPositionEC.xyz); 
+    float nDotL = clamp(dot(normalEC, -directionEC), 0.0, 1.0); 
+    vec4 shadowPosition = _shadowMap_matrix * positionEC; 
+    shadowPosition /= shadowPosition.w; 
+    if (any(lessThan(shadowPosition.xyz, vec3(0.0))) || any(greaterThan(shadowPosition.xyz, vec3(1.0)))) 
+    { 
+        gl_FragColor = color;
+        return;
+    }
+
+    //坐标与视点位置距离，大于最大距离则舍弃阴影效果
+    vec4 lw = czm_inverseView*  vec4(shadowMap_lightPositionEC.xyz, 1.0);
+    vec4 vw = czm_inverseView* vec4(positionEC.xyz, 1.0);
+    if(distance(lw.xyz,vw.xyz)>dis){
+        gl_FragColor = color;
+        return;
+    }
+
+
+    //水平夹角限制
+    vec3 ptOnSP = pointProjectOnPlane(shadowMap_lightUp,lw.xyz,vw.xyz);
+    directionEC = ptOnSP - lw.xyz;
+    float directionECMO = ptm(directionEC.xyz);
+    float shadowMap_lightDirMO = ptm(shadowMap_lightDir.xyz);
+    float cosJJ = dot(directionEC,shadowMap_lightDir)/(directionECMO*shadowMap_lightDirMO);
+    float degJJ = acos(cosJJ)*(180.0 / PI);
+    degJJ = abs(degJJ);
+    if(degJJ>spzj/2.0){
+        gl_FragColor = color;
+        return;
+    }
+
+    //垂直夹角限制
+    vec3 ptOnCZ = pointProjectOnPlane(shadowMap_lightRight,lw.xyz,vw.xyz);
+    vec3 dirOnCZ = ptOnCZ - lw.xyz;
+    float dirOnCZMO = ptm(dirOnCZ);
+    float cosJJCZ = dot(dirOnCZ,shadowMap_lightDir)/(dirOnCZMO*shadowMap_lightDirMO);
+    float degJJCZ = acos(cosJJCZ)*(180.0 / PI);
+    degJJCZ = abs(degJJCZ);
+    if(degJJCZ>czzj/2.0){
+        gl_FragColor = color;
+        return;
+    }
+
+    shadowParameters.texCoords = shadowPosition.xy; 
+    shadowParameters.depth = shadowPosition.z; 
+    shadowParameters.nDotL = nDotL; 
+    float visibility = _czm_shadowVisibility(stcshadow, shadowParameters); 
+    if(visibility==1.0){
+        gl_FragColor = mix(color,vec4(visibleColor,1.0),mixNum);
+    }else{
+        if(abs(shadowPosition.z-0.0)<0.01){
+            return;
+        }
+        gl_FragColor = mix(color,vec4(disVisibleColor,1.0),mixNum);
+    }
+}
+    </script>
+    <script>
+        let osm = new Cesium.UrlTemplateImageryProvider({
+            url: "http://mt1.google.cn/vt/lyrs=s&hl=zh-CN&x={x}&y={y}&z={z}&s=Gali"
+        });
+
+        let viewer = new Cesium.Viewer('cesiumContainer', {
+            imageryProvider: osm,
+            terrainProvider: Cesium.createWorldTerrain(),
+            contextOptions: {
+                webgl: {
+                    alpha: true
+                }
+            },
+            selectionIndicator: false,
+            animation: false, //是否显示动画控件
+            baseLayerPicker: false, //是否显示图层选择控件
+            geocoder: false, //是否显示地名查找控件
+            timeline: false, //是否显示时间线控件
+            sceneModePicker: false, //是否显示投影方式控件
+            navigationHelpButton: false, //是否显示帮助信息控件
+            infoBox: false, //是否显示点击要素之后显示的信息
+            fullscreenButton: false,
+            shouldAnimate: true //动画播放
+        });
+
+        //取消双击事件
+        //viewer.cesiumWidget.screenSpaceEventHandler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK);
+        //设置homebutton的位置
+        Cesium.Camera.DEFAULT_VIEW_RECTANGLE =
+            Cesium.Rectangle.fromDegrees(116.15, 40.54, 116.25, 40.56); //Rectangle(west, south, east, north)
+        //设置初始位置
+        viewer.camera.setView({
+            destination: Cesium.Cartesian3.fromDegrees(116.20, 40.55, 3000000)
+        });
+
+        //开启深度检测
+        viewer.scene.globe.depthTestAgainstTerrain = true;
+
+        let tileset = viewer.scene.primitives.add(new Cesium.Cesium3DTileset({
+            url: 'http://data.marsgis.cn/3dtiles/qx-shequ/tileset.json' // '../Source/3DTiles/building/tileset.json'
+        }));
+
+        tileset.readyPromise.then(function (tileset) {
+            viewer.scene.primitives.add(tileset);
+            viewer.zoomTo(tileset, new Cesium.HeadingPitchRange(0.5, -0.2, tileset.boundingSphere.radius * 1.0));
+        }).otherwise(function (error) {
+            console.log(error);
+        });
+
+
+        var arrViewField = [];
+        var viewModel = { verticalAngle: 90, horizontalAngle: 120, distance: 10 };
+        function addViewField() {
+            var e = new Cesium.ViewShed3D(viewer, {
+                horizontalAngle: Number(viewModel.horizontalAngle),
+                verticalAngle: Number(viewModel.verticalAngle),
+                distance: Number(viewModel.distance),
+                calback: function () {
+                    viewModel.distance = e.distance
+                }
+            });
+            arrViewField.push(e)
+        }
+
+        function clearAllViewField() {
+            for (var e = 0, i = arrViewField.length; e < i; e++)
+                arrViewField[e].destroy();
+            arrViewField = []
+        }
+
+
+        function setvisible(value) {
+            switch (value) {
+                case 'add':
+                    addViewField();
+                    break;
+                case 'clear':
+                    clearAllViewField();
+                    break;
+            }
+        }
+    </script>
+</body>
+
+</html>
\ No newline at end of file
diff --git "a/Examples/\345\234\260\345\275\242.html" "b/Examples/\345\234\260\345\275\242.html"
index 0f439d7..f168435 100644
--- "a/Examples/\345\234\260\345\275\242.html"
+++ "b/Examples/\345\234\260\345\275\242.html"
@@ -27,13 +27,13 @@
 <body>
     <div id="cesiumContainer"></div>
     <script>
-//      let osm = new Cesium.UrlTemplateImageryProvider({
-//          url: "http://mt1.google.cn/vt/lyrs=s&hl=zh-CN&x={x}&y={y}&z={z}&s=Gali"
-//      });
+     let osm = new Cesium.UrlTemplateImageryProvider({
+         url: "http://mt1.google.cn/vt/lyrs=s&hl=zh-CN&x={x}&y={y}&z={z}&s=Gali"
+     });
 
-		let osm = Cesium.createOpenStreetMapImageryProvider({
-            url: 'https://a.tile.openstreetmap.org/'
-        });
+		// let osm = Cesium.createOpenStreetMapImageryProvider({
+        //     url: 'https://a.tile.openstreetmap.org/'
+        // });
         let terrain = new Cesium.CesiumTerrainProvider({
             url: "../Source/Terrain/beijing/"
         });
diff --git "a/Examples/\345\234\260\345\275\242\345\274\200\346\214\226.html" "b/Examples/\345\234\260\345\275\242\345\274\200\346\214\226.html"
new file mode 100644
index 0000000..05db534
--- /dev/null
+++ "b/Examples/\345\234\260\345\275\242\345\274\200\346\214\226.html"
@@ -0,0 +1,87 @@
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml">
+
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport"
+        content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
+    <title>地形开挖</title>
+    <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
+    <script src="../Build/Cesium/Cesium.js"></script>
+    <script src="plugin/TerrainClipPlan.js"></script>
+    <style>
+        html,
+        body,
+        #cesiumContainer {
+            width: 100%;
+            height: 100%;
+            margin: 0;
+            padding: 0;
+            overflow: hidden;
+        }
+    </style>
+
+</head>
+
+<body>
+    <div id="cesiumContainer"></div>
+    <script>
+        let osm = new Cesium.UrlTemplateImageryProvider({
+            url: "http://mt1.google.cn/vt/lyrs=s&hl=zh-CN&x={x}&y={y}&z={z}&s=Gali"
+        });
+
+        // let osm = Cesium.createOpenStreetMapImageryProvider({
+        //     url: 'https://a.tile.openstreetmap.org/'
+        // });
+        let terrain = new Cesium.CesiumTerrainProvider({
+            url: "../Source/Terrain/beijing/"
+        });
+        let viewer = new Cesium.Viewer('cesiumContainer', {
+            imageryProvider: osm,
+            terrainProvider: terrain,//地形数据源
+            contextOptions: {
+                webgl: {
+                    alpha: true
+                }
+            },
+            selectionIndicator: false,
+            animation: false,  //是否显示动画控件
+            baseLayerPicker: false, //是否显示图层选择控件
+            geocoder: false, //是否显示地名查找控件
+            timeline: false, //是否显示时间线控件
+            sceneModePicker: false, //是否显示投影方式控件
+            navigationHelpButton: false, //是否显示帮助信息控件
+            infoBox: false,  //是否显示点击要素之后显示的信息
+            fullscreenButton: false,
+            shouldAnimate: true //动画播放
+        });
+
+        //取消双击事件
+        viewer.cesiumWidget.screenSpaceEventHandler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK);
+        //设置homebutton的位置
+        Cesium.Camera.DEFAULT_VIEW_RECTANGLE =
+            Cesium.Rectangle.fromDegrees(116.15, 40.54, 116.25, 40.56);//Rectangle(west, south, east, north)
+        //设置初始位置
+        viewer.camera.setView({
+            destination: Cesium.Cartesian3.fromDegrees(117.220108, 31.834937, 3000)
+        });
+
+        //开启深度检测
+        viewer.scene.globe.depthTestAgainstTerrain = true;
+
+        let terrainClipPlan = new Cesium.TerrainClipPlan(viewer, {
+            height: 30,
+            splitNum: 50,
+            wallImg: "../Source/Images/excavate_side_min.jpg",
+            bottomImg: "../Source/Images/excavate_bottom_min.jpg"
+        })
+
+        terrainClipPlan.updateData([{ x: -2480825.779644006, y: 4823039.348573122, z: 3344998.9734951435 },
+        { x: -2481057.6623671586, y: 4822939.719360245, z: 3344970.8291531955 },
+        { x: -2481026.5803391673, y: 4823096.907581604, z: 3344768.5949868727 },
+        { x: -2480854.0689538443, y: 4823168.905374106, z: 3344792.5711652176 }])
+    </script>
+</body>
+
+</html>
\ No newline at end of file
diff --git "a/Examples/\346\226\271\351\207\217\350\256\241\347\256\227.html" "b/Examples/\346\226\271\351\207\217\350\256\241\347\256\227.html"
new file mode 100644
index 0000000..6156408
--- /dev/null
+++ "b/Examples/\346\226\271\351\207\217\350\256\241\347\256\227.html"
@@ -0,0 +1,194 @@
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml">
+
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport"
+        content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
+    <title>方量计算</title>
+    <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
+    <script src="../Build/Cesium/Cesium.js"></script>
+    <script src="plugin/turf.min.js"></script>
+    <script src="plugin/PrimitivePoints.js"></script>
+    <script src="plugin/TerrainToolCopy.js"></script>
+    <style>
+        html,
+        body,
+        #cesiumContainer {
+            width: 100%;
+            height: 100%;
+            margin: 0;
+            padding: 0;
+            overflow: hidden;
+        }
+    </style>
+
+</head>
+
+<body>
+    <div id="cesiumContainer"></div>
+    <script>
+        let osm = new Cesium.UrlTemplateImageryProvider({
+            url: "http://mt1.google.cn/vt/lyrs=s&hl=zh-CN&x={x}&y={y}&z={z}&s=Gali"
+        });
+
+        // let osm = Cesium.createOpenStreetMapImageryProvider({
+        //     url: 'https://a.tile.openstreetmap.org/'
+        // });
+        let terrain = new Cesium.CesiumTerrainProvider({
+            url: "../Source/Terrain/beijing/"
+        });
+        let viewer = new Cesium.Viewer('cesiumContainer', {
+            imageryProvider: osm,
+            terrainProvider: terrain,//地形数据源
+            contextOptions: {
+                webgl: {
+                    alpha: true
+                }
+            },
+            selectionIndicator: false,
+            animation: false,  //是否显示动画控件
+            baseLayerPicker: false, //是否显示图层选择控件
+            geocoder: false, //是否显示地名查找控件
+            timeline: false, //是否显示时间线控件
+            sceneModePicker: false, //是否显示投影方式控件
+            navigationHelpButton: false, //是否显示帮助信息控件
+            infoBox: false,  //是否显示点击要素之后显示的信息
+            fullscreenButton: false,
+            shouldAnimate: true //动画播放
+        });
+
+        //取消双击事件
+        viewer.cesiumWidget.screenSpaceEventHandler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK);
+        //设置homebutton的位置
+        Cesium.Camera.DEFAULT_VIEW_RECTANGLE =
+            Cesium.Rectangle.fromDegrees(116.15, 40.54, 116.25, 40.56);//Rectangle(west, south, east, north)
+        //设置初始位置
+        viewer.camera.setView({
+            destination: Cesium.Cartesian3.fromDegrees(115.970076, 39.910064, 3000)
+        });
+
+        //开启深度检测
+        //viewer.scene.globe.depthTestAgainstTerrain = true;
+
+        let coordinates = [[[115.94282, 39.918712], [115.970076, 39.910064], [115.954399, 39.882855], [115.905748, 39.886989], [115.913215, 39.916541], [115.913217, 39.916543], [115.913225, 39.916551], [115.94282, 39.918712]]];
+
+        // let tdpolygon = new Cesium.PolygonGeometry({
+        //     vertexFormat: Cesium.PolylineColorAppearance.VERTEX_FORMAT,
+        //     polygonHierarchy: new Cesium.PolygonHierarchy(
+        //         Cesium.Cartesian3.fromDegreesArray([
+        //             115.94282, 39.918712,
+        //             115.970076, 39.910064,
+        //             115.954399, 39.882855,
+        //             115.905748, 39.886989,
+        //             115.913215, 39.916541,
+        //             115.913217, 39.916543,
+        //             115.913225, 39.916551
+        //         ])
+        //     ),
+        //     extrudedHeight: 0
+        // });
+        // let polygoninstance = new Cesium.GeometryInstance({
+        //     geometry: tdpolygon,
+        //     attributes: {
+        //         color: Cesium.ColorGeometryInstanceAttribute.fromColor(Cesium.Color.fromRandom({ alpha: 1 }))
+        //     }
+        // });
+        // viewer.scene.primitives.add(new Cesium.Primitive({
+        //     geometryInstances: [polygoninstance],
+        //     appearance: new Cesium.PolylineColorAppearance({
+        //         translucent: false
+        //     })
+        // }));
+
+
+        let polygon = turf.polygon(coordinates);
+
+        let area = turf.area(polygon);
+
+        let cellsize = Math.sqrt(turf.area(polygon) / 10000);
+
+        let enveloped = turf.envelope(polygon);
+
+        let centroid = turf.centroid(polygon);
+
+        let bbox = turf.bbox(enveloped);
+
+        let grid = turf.pointGrid(bbox, cellsize, { units: 'meters' });
+
+        let ptsWithin = turf.pointsWithinPolygon(grid, polygon);
+
+        let lonlats = [];
+
+        let features = ptsWithin.features;
+        for (let i = 0; i < features.length; i++) {
+            lonlats.push({
+                lon: features[i].geometry.coordinates[0],
+                lat: features[i].geometry.coordinates[1]
+            })
+        }
+        setTimeout(() => {
+            TerrainToolCopy.LonlatPointsTerrainData(terrain, lonlats, (positions) => {
+                getVolumn(positions);
+            })
+
+        }, 5000);
+        function getVolumn(data) {
+            let minHeight = findMinHeight(data);
+            let maxHeight = findMaxHeight(data);
+            let volumn = 0;
+            let points = [];
+            let colors = [];
+
+            for (let i = 0; i < data.length; i++) {
+                volumn += (data[i]['height'] - minHeight) * cellsize * cellsize;
+                let point = Cesium.Cartesian3.fromRadians(data[i].longitude, data[i].latitude, data[i].height);
+                points.push(point);
+                colors.push(0);
+                colors.push(0);
+                colors.push(1);
+                colors.push(1);
+            }
+            new PrimitivePoints({ 'viewer': viewer, 'Cartesians': points, 'Colors': colors });
+
+            viewer.entities.add({
+                name: "飞机",
+                position: Cesium.Cartesian3.fromDegrees(centroid.geometry.coordinates[0], centroid.geometry.coordinates[1], maxHeight),
+                label: {
+                    text: volumn + '立方米',
+                    font: '24px sans-serif',
+                    fillColor: Cesium.Color.WHITE,
+                    style: Cesium.LabelStyle.FILL_AND_OUTLINE,
+                    horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
+                    pixelOffset: new Cesium.Cartesian2(0.0, -70)
+                }
+            });
+        }
+
+        function findMinHeight(e) {
+            let minHeight = 5000000;
+            let minPoint = null;
+            for (let i = 0; i < e.length; i++) {
+                let height = e[i]['height'];
+                if (height < minHeight) {
+                    minHeight = height;
+                }
+            }
+            return minHeight;
+        }
+        function findMaxHeight(e) {
+            let maxHeight = 0;
+            let minPoint = null;
+            for (let i = 0; i < e.length; i++) {
+                let height = e[i]['height'];
+                if (height > maxHeight) {
+                    maxHeight = height;
+                }
+            }
+            return maxHeight;
+        }
+    </script>
+</body>
+
+</html>
\ No newline at end of file
diff --git "a/Examples/\346\235\220\350\264\250_\345\212\250\346\200\201\345\233\276\347\211\207.html" "b/Examples/\346\235\220\350\264\250_\345\212\250\346\200\201\345\233\276\347\211\207.html"
index 424dc9f..84dd92f 100644
--- "a/Examples/\346\235\220\350\264\250_\345\212\250\346\200\201\345\233\276\347\211\207.html"
+++ "b/Examples/\346\235\220\350\264\250_\345\212\250\346\200\201\345\233\276\347\211\207.html"
@@ -6,7 +6,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport"
         content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
-    <title>Entity实体</title>
+    <title>材质_动态图片</title>
     <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
     <script src="../Build/Cesium/Cesium.js"></script>
     <style>
diff --git "a/Examples/\346\235\220\350\264\250_\345\212\250\347\224\273.html" "b/Examples/\346\235\220\350\264\250_\345\212\250\347\224\273.html"
index bb77966..226fdb7 100644
--- "a/Examples/\346\235\220\350\264\250_\345\212\250\347\224\273.html"
+++ "b/Examples/\346\235\220\350\264\250_\345\212\250\347\224\273.html"
@@ -6,7 +6,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport"
         content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
-    <title>Entity实体</title>
+    <title>材质_动画</title>
     <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
     <script src="../Build/Cesium/Cesium.js"></script>
     <style>
diff --git "a/Examples/\346\235\220\350\264\250_\351\227\252\347\203\201.html" "b/Examples/\346\235\220\350\264\250_\351\227\252\347\203\201.html"
index 2d3a4ee..58bf3aa 100644
--- "a/Examples/\346\235\220\350\264\250_\351\227\252\347\203\201.html"
+++ "b/Examples/\346\235\220\350\264\250_\351\227\252\347\203\201.html"
@@ -6,7 +6,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport"
         content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
-    <title>Entity实体</title>
+    <title>动画_闪烁</title>
     <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
     <script src="../Build/Cesium/Cesium.js"></script>
     <style>
diff --git "a/Examples/\346\235\220\350\264\250_\351\233\267\350\276\276\346\211\253\346\217\217.html" "b/Examples/\346\235\220\350\264\250_\351\233\267\350\276\276\346\211\253\346\217\217.html"
new file mode 100644
index 0000000..ae5b376
--- /dev/null
+++ "b/Examples/\346\235\220\350\264\250_\351\233\267\350\276\276\346\211\253\346\217\217.html"
@@ -0,0 +1,115 @@
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml">
+
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport"
+        content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
+    <title>材质_雷达扫描</title>
+    <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
+    <script src="../Build/Cesium/Cesium.js"></script>
+    <style>
+        html,
+        body,
+        #cesiumContainer {
+            width: 100%;
+            height: 100%;
+            margin: 0;
+            padding: 0;
+            overflow: hidden;
+        }
+
+        #canvas-a {
+            top: 10px;
+            display: none;
+        }
+
+        #canvas-b {
+            top: 120px;
+            display: none;
+        }
+    </style>
+
+</head>
+
+<body>
+    <div id="cesiumContainer"></div>
+    <canvas id="canvas-a" class="canvas" width="300" height="300"></canvas>
+    <script>
+        let osm = Cesium.createOpenStreetMapImageryProvider({
+            url: 'https://a.tile.openstreetmap.org/'
+        });
+        let viewer = new Cesium.Viewer('cesiumContainer', {
+            imageryProvider: osm,
+            contextOptions: {
+                webgl: {
+                    alpha: true
+                }
+            },
+            selectionIndicator: false,
+            animation: false,  //是否显示动画控件
+            baseLayerPicker: false, //是否显示图层选择控件
+            geocoder: false, //是否显示地名查找控件
+            timeline: false, //是否显示时间线控件
+            sceneModePicker: false, //是否显示投影方式控件
+            navigationHelpButton: false, //是否显示帮助信息控件
+            infoBox: false,  //是否显示点击要素之后显示的信息
+            fullscreenButton: false
+        });
+        //取消双击事件
+        viewer.cesiumWidget.screenSpaceEventHandler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK);
+        //设置homebutton的位置
+        Cesium.Camera.DEFAULT_VIEW_RECTANGLE =
+            Cesium.Rectangle.fromDegrees(110.15, 34.54, 110.25, 34.56);//Rectangle(west, south, east, north)
+        //设置初始位置
+        viewer.camera.setView({
+            destination: Cesium.Cartesian3.fromDegrees(110.20, 34.55, 3000000)
+        });
+
+        //开启深度检测
+        viewer.scene.globe.depthTestAgainstTerrain = true;
+
+        let rotation = Cesium.Math.toRadians(30);
+
+        function getRotationValue() {
+            rotation -= 0.02;
+            return rotation;
+        }
+
+        function drawCanvas() {
+            let canvas = document.getElementById("canvas-a");
+            let context = canvas.getContext('2d');
+			let grd = context.createLinearGradient(175, 100, canvas.width, 150);
+			grd.addColorStop(0, "rgba(0,255,0,0)");
+			grd.addColorStop(1, "rgba(0,255,0,1)");
+			context.fillStyle = grd;
+			context.beginPath();
+			context.moveTo(150, 150);
+			context.arc(150, 150, 140, -90 / 180 * Math.PI, 0 / 180 * Math.PI);//context.arc(x,y,r,sAngle,eAngle,counterclockwise);
+			context.fill();
+            return canvas;
+        }
+
+        let i=0;
+        viewer.entities.add({
+            name: 'Rotating rectangle with rotating texture coordinate',
+            rectangle: {
+                coordinates: new Cesium.CallbackProperty(function(){
+                    return Cesium.Rectangle.fromDegrees(-75.0, 30.0, -70.0, 35.0)
+                },false),
+                material: new Cesium.ImageMaterialProperty({
+                    image: new Cesium.CallbackProperty(drawCanvas, false),
+                    transparent: true
+                }),
+                rotation: new Cesium.CallbackProperty(getRotationValue, false),
+                stRotation: new Cesium.CallbackProperty(getRotationValue, false)
+            }
+        });
+
+        viewer.zoomTo(viewer.entities);
+
+    </script>
+</body>
+
+</html>
\ No newline at end of file
diff --git "a/Examples/\346\265\201\345\212\250\347\272\271\347\220\206.html" "b/Examples/\346\265\201\345\212\250\347\272\271\347\220\206.html"
index 78273b0..3d62dd2 100644
--- "a/Examples/\346\265\201\345\212\250\347\272\271\347\220\206.html"
+++ "b/Examples/\346\265\201\345\212\250\347\272\271\347\220\206.html"
@@ -110,11 +110,13 @@
                                                       {\n\
                                                            czm_material material = czm_getDefaultMaterial(materialInput);\n\
                                                            vec2 st = materialInput.st;\n\
-                                                           vec4 colorImage = texture2D(image, vec2(fract(st.s - time), st.t));\n\
+                                                           vec4 colorImage = texture2D(image, vec2(fract(st.s), st.t));\n\
                                                            material.alpha = colorImage.a * color.a;\n\
                                                            material.diffuse = (colorImage.rgb+color.rgb)/2.0;\n\
                                                            return material;\n\
                                                        }";
+
+                                                       //vec4 colorImage = texture2D(image, vec2(fract(st.s - time), st.t));\n\
         Cesium.Material._materialCache.addMaterial(Cesium.Material.PolylineTrailLinkType, {
             fabric: {
                 type: Cesium.Material.PolylineTrailLinkType,
@@ -136,7 +138,7 @@
                 positions: Cesium.Cartesian3.fromDegreesArrayHeights([104, 30, 1000,
                     114, 30, 100000,
                     114, 50, 1000000]),
-                width: 15,
+                width: 5,
                 material: new Cesium.PolylineTrailLinkMaterialProperty(Cesium.Color.ORANGE, 3000)
             }
         });
diff --git "a/Examples/\346\270\220\345\217\230\345\273\272\347\255\221\347\211\251.html" "b/Examples/\346\270\220\345\217\230\345\273\272\347\255\221\347\211\251.html"
index 4374342..9b4cb4f 100644
--- "a/Examples/\346\270\220\345\217\230\345\273\272\347\255\221\347\211\251.html"
+++ "b/Examples/\346\270\220\345\217\230\345\273\272\347\255\221\347\211\251.html"
@@ -118,8 +118,8 @@
 
             let values = elevationRamp;
             let grd = isVertical ? ctx.createLinearGradient(0, 0, 0, 100) : ctx.createLinearGradient(0, 0, 100, 0);
-            grd.addColorStop(values[0], 'rgba(255,255,255,1)'); //black
-            grd.addColorStop(values[1], 'rgba(0,0,0,1)'); //white
+            grd.addColorStop(values[0], 'rgba(255,255,255,0.5)'); //black
+            grd.addColorStop(values[1], 'rgba(0,0,0,0.5)'); //white
 
             ctx.globalAlpha = 0.3;
             ctx.fillStyle = grd;
diff --git "a/Examples/\346\270\220\345\217\230\347\272\271\347\220\206.html" "b/Examples/\346\270\220\345\217\230\347\272\271\347\220\206.html"
index a560ba4..060a205 100644
--- "a/Examples/\346\270\220\345\217\230\347\272\271\347\220\206.html"
+++ "b/Examples/\346\270\220\345\217\230\347\272\271\347\220\206.html"
@@ -6,7 +6,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport"
         content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
-    <title>视频贴图</title>
+    <title>渐变纹理</title>
     <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
     <script src="../Build/Cesium/Cesium.js"></script>
     <style>
@@ -87,7 +87,7 @@
                     121.612188, 31.203074, 200.0
                 ]),
                 minimumHeights: [3000.0, 2000.0, 2000, 2000, 2000, 3000],
-                material: getColorRamp([0.0, 0.045, 0.1, 0.15, 0.37, 0.54, 1.0], false)
+                // material: getColorRamp([0.0, 0.045, 0.1, 0.15, 0.37, 0.54, 1.0], false)
             }
         });
 
diff --git "a/Examples/\347\253\231\345\277\203\345\235\220\346\240\207\350\275\254WGS84.html" "b/Examples/\347\253\231\345\277\203\345\235\220\346\240\207\350\275\254WGS84.html"
new file mode 100644
index 0000000..5bff8fc
--- /dev/null
+++ "b/Examples/\347\253\231\345\277\203\345\235\220\346\240\207\350\275\254WGS84.html"
@@ -0,0 +1,171 @@
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml">
+
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport"
+        content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
+    <title>站心坐标转换</title>
+    <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
+    <script src="../Build/Cesium/Cesium.js"></script>
+    <script src="plugin/ecefLlhEnu.js"></script>
+    <style>
+        html,
+        body,
+        #cesiumContainer {
+            width: 100%;
+            height: 100%;
+            margin: 0;
+            padding: 0;
+            overflow: hidden;
+        }
+    </style>
+
+</head>
+
+<body>
+    <div id="cesiumContainer"></div>
+    <script>
+        let osm = Cesium.createOpenStreetMapImageryProvider({
+            url: 'https://a.tile.openstreetmap.org/'
+        });
+        let viewer = new Cesium.Viewer('cesiumContainer', {
+            imageryProvider: osm,
+            contextOptions: {
+                webgl: {
+                    alpha: true
+                }
+            },
+            selectionIndicator: false,
+            animation: false,  //是否显示动画控件
+            baseLayerPicker: false, //是否显示图层选择控件
+            geocoder: false, //是否显示地名查找控件
+            timeline: false, //是否显示时间线控件
+            sceneModePicker: false, //是否显示投影方式控件
+            navigationHelpButton: false, //是否显示帮助信息控件
+            infoBox: false,  //是否显示点击要素之后显示的信息
+            fullscreenButton: false
+        });
+        //取消双击事件
+        viewer.cesiumWidget.screenSpaceEventHandler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK);
+        //设置homebutton的位置
+        Cesium.Camera.DEFAULT_VIEW_RECTANGLE =
+            Cesium.Rectangle.fromDegrees(110.15, 34.54, 110.25, 34.56);//Rectangle(west, south, east, north)
+        //设置初始位置
+        viewer.camera.setView({
+            destination: Cesium.Cartesian3.fromDegrees(110.20, 34.55, 3000000)
+        });
+
+        //开启深度检测
+        viewer.scene.globe.depthTestAgainstTerrain = true;
+
+        //点
+        viewer.entities.add({
+            name: '点',
+            position: Cesium.Cartesian3.fromDegrees(104, 30, 0),
+            point: {
+                pixelSize: 10,
+                color: Cesium.Color.YELLOW
+            }
+        });
+
+
+        let tool = new mathTool();
+        let enpoint = tool.enu_to_ecef({ longitude: 104, latitude: 30, altitude: 0 }, { distance: 800, azimuth: 45, elevation: 30 });
+        let espoint = tool.enu_to_ecef({ longitude: 104, latitude: 30, altitude: 0 }, { distance: 800, azimuth: 45, elevation: 60 });
+        let wspoint = tool.enu_to_ecef({ longitude: 104, latitude: 30, altitude: 0 }, { distance: 800, azimuth: 225, elevation: 30 });
+        let wnpoint = tool.enu_to_ecef({ longitude: 104, latitude: 30, altitude: 0 }, { distance: 800, azimuth: 225, elevation: 60 });
+
+        viewer.entities.add({
+            name: '点',
+            position: Cesium.Cartesian3.fromDegrees(enpoint.longitude, enpoint.latitude, enpoint.altitude),
+            point: {
+                pixelSize: 10,
+                color: Cesium.Color.BLUE
+            }
+        });
+        viewer.entities.add({
+            name: '橙色线',
+            polyline: {
+                positions: Cesium.Cartesian3.fromDegreesArrayHeights([104, 30, 0,
+                enpoint.longitude, enpoint.latitude, enpoint.altitude]),
+                width: 5,
+                material: new Cesium.PolylineOutlineMaterialProperty({
+                    color: Cesium.Color.ORANGE,
+                    outlineWidth: 2,
+                    outlineColor: Cesium.Color.BLACK
+                })
+            }
+        });
+
+        viewer.entities.add({
+            name: '点',
+            position: Cesium.Cartesian3.fromDegrees(espoint.longitude, espoint.latitude, espoint.altitude),
+            point: {
+                pixelSize: 10,
+                color: Cesium.Color.BLUE
+            }
+        });
+        viewer.entities.add({
+            name: '橙色线',
+            polyline: {
+                positions: Cesium.Cartesian3.fromDegreesArrayHeights([104, 30, 0,
+                espoint.longitude, espoint.latitude, espoint.altitude]),
+                width: 5,
+                material: new Cesium.PolylineOutlineMaterialProperty({
+                    color: Cesium.Color.ORANGE,
+                    outlineWidth: 2,
+                    outlineColor: Cesium.Color.BLACK
+                })
+            }
+        });
+
+        viewer.entities.add({
+            name: '点',
+            position: Cesium.Cartesian3.fromDegrees(wspoint.longitude, wspoint.latitude, wspoint.altitude),
+            point: {
+                pixelSize: 10,
+                color: Cesium.Color.BLUE
+            }
+        });
+        viewer.entities.add({
+            name: '橙色线',
+            polyline: {
+                positions: Cesium.Cartesian3.fromDegreesArrayHeights([104, 30, 0,
+                wspoint.longitude, wspoint.latitude, wspoint.altitude]),
+                width: 5,
+                material: new Cesium.PolylineOutlineMaterialProperty({
+                    color: Cesium.Color.ORANGE,
+                    outlineWidth: 2,
+                    outlineColor: Cesium.Color.BLACK
+                })
+            }
+        });
+
+        viewer.entities.add({
+            name: '点',
+            position: Cesium.Cartesian3.fromDegrees(wnpoint.longitude, wnpoint.latitude, wnpoint.altitude),
+            point: {
+                pixelSize: 10,
+                color: Cesium.Color.BLUE
+            }
+        });
+        viewer.entities.add({
+            name: '橙色线',
+            polyline: {
+                positions: Cesium.Cartesian3.fromDegreesArrayHeights([104, 30, 0,
+                wnpoint.longitude, wnpoint.latitude, wnpoint.altitude]),
+                width: 5,
+                material: new Cesium.PolylineOutlineMaterialProperty({
+                    color: Cesium.Color.ORANGE,
+                    outlineWidth: 2,
+                    outlineColor: Cesium.Color.BLACK
+                })
+            }
+        });
+
+    </script>
+</body>
+
+</html>
\ No newline at end of file
diff --git a/README.md b/README.md
index 0052366..715a37d 100644
--- a/README.md
+++ b/README.md
@@ -6,11 +6,15 @@ Cesium示例，包括可视域分析、动画、渲染等
 2. 绘制各种emtity
 3. 绘制各种primitive
 4. 添加材质，包括动画、动态图片和闪烁材质
-5. 添加雷达扫描效果，已经雷达范围
+5. 添加雷达扫描效果，以及雷达范围
 6. 动态扩散点
 7. 动态立体墙
 8. 渐变建筑物
-9. 可视域分析，包括地形和3DTiles（类似有超图的可视域分析暂未上传，参考可与作者联系）
+9. 可视域分析，包括地形和3DTiles
 10. 设置视场角大小
 11. 日照分析
 12. 添加空间三角形
+13. 站心坐标转WGS84（已知A点经纬度，以A点为站心观测到B点仰角为elevation，方位角为azimuth，距离为distance，求B点坐标）
+14. 地形开挖
+15. 方量计算
+16. FlowLine Style
diff --git a/Source/Images/excavate_bottom_min.jpg b/Source/Images/excavate_bottom_min.jpg
new file mode 100644
index 0000000..192da09
Binary files /dev/null and b/Source/Images/excavate_bottom_min.jpg differ
diff --git a/Source/Images/excavate_side_min.jpg b/Source/Images/excavate_side_min.jpg
new file mode 100644
index 0000000..08ebd76
Binary files /dev/null and b/Source/Images/excavate_side_min.jpg differ
