通视分析

src/jtMap3d/Widgets/SpatialAnalysis/SightLine.js

@@ -100,7 +100,7 @@ class SightLine {
 		buttonDiv.style.position = 'absolute';
 		buttonDiv.style.bottom = '150px';
 		buttonDiv.style.right = '10px';
-		
+
 		// let btnUndo = document.createElement('button');
 		// btnUndo.id = "btnDrawBackout";
 		// btnUndo.style.height = '30px';
@@ -113,7 +113,7 @@ class SightLine {
 		// btnUndo.style.fontSize = '13px';
 		// btnUndo.style.cursor = 'pointer';
 		// buttonDiv.appendChild(btnUndo);
-		
+
 		let btnCompletion = document.createElement('button');
 		btnCompletion.id = "btnDrawComplete";
 		btnCompletion.style.height = '30px';
@@ -125,7 +125,7 @@ class SightLine {
 		btnCompletion.style.fontSize = '13px';
 		btnCompletion.style.cursor = 'pointer';
 		buttonDiv.appendChild(btnCompletion);
-		
+
 		/* 加入到页面 */
 		document.body.appendChild(buttonDiv);
 	}
@@ -208,151 +208,154 @@ Object.assign(SightLine.prototype, /** @lends SightLine.prototype */ {
 
 		_self.handler = new Cesium.ScreenSpaceEventHandler(_self._viewer.canvas);
 		_self.handler.setInputAction((event) => {
-			let cartesian = CoordTransform.getCatesian3FromPX(_self._viewer, event.position);
+			let loc = CoordTransform._transfromFromScreenPoint(_self._viewer, event.position);
 			toolTip = "左键创建视角终点，右键结束通视分析";
 			if (this._isRuntimeApp()) {
 				toolTip = "再次单击创建视角终点";
 				_self._showTooltipMessage(toolTip);
 			}
 
-			if (cartesian) {
-				if (!_self._resultObject.viewPoint) {
-					_self._resultObject.viewPoint = cartesian;
-					let pointEntity = _self._viewer.entities.add({
-						position: cartesian,
-						point: {
-							color: Cesium.Color.YELLOW,
-							pixelSize: 5,
-						},
-						//文字标签
-						label: {
-							text: "观察位置",
-							font: '12px sans-serif',
-							fillColor: new Cesium.Color(255/255, 255/255, 255/255, 1.0),
-							outlineColor: new Cesium.Color(0, 154/255, 94/255, 1.0),
-							style: Cesium.LabelStyle.FILL_AND_OUTLINE,
-							outlineWidth: 1.0,
-							verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
-							pixelOffset: new Cesium.Cartesian2(0, -28),
-							showBackground: true,
-							backgroundColor: new Cesium.Color(0, 0, 0, 0.6),
-							disableDepthTestDistance: Number.POSITIVE_INFINITY,
-						},
-					});
-					_self._resultObject.objectExclude.push(pointEntity);
-					_self._resultObject.entities.push(pointEntity);
-				} else {
-					_self._resultObject.targetPoint = cartesian;
-					let pointEntity = _self._viewer.entities.add({
-						position: cartesian,
-						point: {
-							color: Cesium.Color.YELLOW,
-							pixelSize: 5,
-						},
-						//文字标签
-						label: {
-							text: "目标位置",
-							font: '12px sans-serif',
-							fillColor: new Cesium.Color(255/255, 255/255, 255/255, 1.0),
-							outlineColor: new Cesium.Color(0, 154/255, 94/255, 1.0),
-							style: Cesium.LabelStyle.FILL_AND_OUTLINE,
-							outlineWidth: 1.0,
-							verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
-							pixelOffset: new Cesium.Cartesian2(0, -28),
-							showBackground: true,
-							backgroundColor: new Cesium.Color(0, 0, 0, 0.6),
-							disableDepthTestDistance: Number.POSITIVE_INFINITY,
-						},
-					});
-					_self._resultObject.objectExclude.push(pointEntity);
-					_self._resultObject.entities.push(pointEntity);
-					let direction = Cesium.Cartesian3.normalize(
-						Cesium.Cartesian3.subtract(
-							_self._resultObject.targetPoint,
-							_self._resultObject.viewPoint,
-							new Cesium.Cartesian3()
-						),
+			if (!Cesium.defined(loc.sLocation)) return;
+
+			let cartesian = loc.sLocation;
+
+			if (!_self._resultObject.viewPoint) {
+				_self._resultObject.viewPoint = cartesian;
+				let pointEntity = _self._viewer.entities.add({
+					position: cartesian,
+					point: {
+						color: Cesium.Color.YELLOW,
+						pixelSize: 5,
+					},
+					//文字标签
+					label: {
+						text: "观察位置",
+						font: '12px sans-serif',
+						fillColor: new Cesium.Color(255 / 255, 255 / 255, 255 / 255, 1.0),
+						outlineColor: new Cesium.Color(0, 154 / 255, 94 / 255, 1.0),
+						style: Cesium.LabelStyle.FILL_AND_OUTLINE,
+						outlineWidth: 1.0,
+						verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
+						pixelOffset: new Cesium.Cartesian2(0, -28),
+						showBackground: true,
+						backgroundColor: new Cesium.Color(0, 0, 0, 0.6),
+						disableDepthTestDistance: Number.POSITIVE_INFINITY,
+					},
+				});
+				_self._resultObject.objectExclude.push(pointEntity);
+				_self._resultObject.entities.push(pointEntity);
+			} else {
+				_self._resultObject.targetPoint = cartesian;
+				let pointEntity = _self._viewer.entities.add({
+					position: cartesian,
+					point: {
+						color: Cesium.Color.YELLOW,
+						pixelSize: 5,
+					},
+					//文字标签
+					label: {
+						text: "目标位置",
+						font: '12px sans-serif',
+						fillColor: new Cesium.Color(255 / 255, 255 / 255, 255 / 255, 1.0),
+						outlineColor: new Cesium.Color(0, 154 / 255, 94 / 255, 1.0),
+						style: Cesium.LabelStyle.FILL_AND_OUTLINE,
+						outlineWidth: 1.0,
+						verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
+						pixelOffset: new Cesium.Cartesian2(0, -28),
+						showBackground: true,
+						backgroundColor: new Cesium.Color(0, 0, 0, 0.6),
+						disableDepthTestDistance: Number.POSITIVE_INFINITY,
+					},
+				});
+				_self._resultObject.objectExclude.push(pointEntity);
+				_self._resultObject.entities.push(pointEntity);
+				let direction = Cesium.Cartesian3.normalize(
+					Cesium.Cartesian3.subtract(
+						_self._resultObject.targetPoint,
+						_self._resultObject.viewPoint,
 						new Cesium.Cartesian3()
-					);
+					),
+					new Cesium.Cartesian3()
+				);
 
-					let ray = new Cesium.Ray(_self._resultObject.viewPoint, direction);
-					let result = _self._viewer.scene.pickFromRay(ray, _self._resultObject.objectExclude); // 计算交互点，返回第一个
-					if (result) {
-						let dis0 = _self._distance(
-							_self._resultObject.viewPoint,
-							_self._resultObject.targetPoint
-						);
-						let dis1 = _self._distance(
-							_self._resultObject.viewPoint,
-							result.position
-						);
-						let dis2 = _self._distance(
-							result.position,
-							_self._resultObject.targetPoint
-						);
-						console.log(dis0, dis1, dis2);
-						if (dis0 > dis1) {
-							let _poly0 = _self._viewer.entities.add({
-								polyline: {
-									positions: [_self._resultObject.viewPoint, result.position],
-									material: Cesium.Color.GREEN,
-									width: 3,
-								},
-							});
-							_self._resultObject.entities.push(_poly0);
-							let _poly1 = _self._viewer.entities.add({
-								polyline: {
-									positions: [result.position, _self._resultObject.targetPoint],
-									material: Cesium.Color.RED,
-									width: 3,
-								},
-							});
-							_self._resultObject.entities.push(_poly1);
-							_self._resultObject.targetPoints.push({
-								targetPoint: cartesian,
-								visual: false, //如果dis2足够小，其实他是可视的
-								distance: [dis0, dis1, dis2], //[初始点和终点，初始点和交点，交点和终点]
-							});
-						} else {
-							let _poly2 = _self._viewer.entities.add({
-								polyline: {
-									positions: [
-										_self._resultObject.viewPoint,
-										_self._resultObject.targetPoint,
-									],
-									material: Cesium.Color.GREEN,
-									width: 3,
-								},
-							});
-							_self._resultObject.entities.push(_poly2);
-							_self._resultObject.targetPoints.push({
-								targetPoint: cartesian,
-								visual: true, //如果dis2足够小，其实他是可视的
-								distance: [dis0, dis1, dis2], //[初始点和终点，初始点和交点，交点和终点]
-							});
-						}
+				let ray = new Cesium.Ray(_self._resultObject.viewPoint, direction);
+				let result = _self._viewer.scene.pickFromRay(ray, _self._resultObject.objectExclude); // 计算交互点，返回第一个
+				if (result) {
+					let dis0 = _self._distance(
+						_self._resultObject.viewPoint,
+						_self._resultObject.targetPoint
+					);
+					let dis1 = _self._distance(
+						_self._resultObject.viewPoint,
+						result.position
+					);
+					let dis2 = _self._distance(
+						result.position,
+						_self._resultObject.targetPoint
+					);
+					console.log(dis0, dis1, dis2);
+					if (dis0 > dis1) {
+						let _poly0 = _self._viewer.entities.add({
+							polyline: {
+								positions: [_self._resultObject.viewPoint, result.position],
+								material: Cesium.Color.GREEN,
+								width: 3,
+							},
+						});
+						_self._resultObject.entities.push(_poly0);
+						let _poly1 = _self._viewer.entities.add({
+							polyline: {
+								positions: [result.position, _self._resultObject.targetPoint],
+								material: Cesium.Color.RED,
+								width: 3,
+							},
+						});
+						_self._resultObject.entities.push(_poly1);
+						_self._resultObject.targetPoints.push({
+							targetPoint: cartesian,
+							visual: false, //如果dis2足够小，其实他是可视的
+							distance: [dis0, dis1, dis2], //[初始点和终点，初始点和交点，交点和终点]
+						});
+					} else {
+						let _poly2 = _self._viewer.entities.add({
+							polyline: {
+								positions: [
+									_self._resultObject.viewPoint,
+									_self._resultObject.targetPoint,
+								],
+								material: Cesium.Color.GREEN,
+								width: 3,
+							},
+						});
+						_self._resultObject.entities.push(_poly2);
+						_self._resultObject.targetPoints.push({
+							targetPoint: cartesian,
+							visual: true, //如果dis2足够小，其实他是可视的
+							distance: [dis0, dis1, dis2], //[初始点和终点，初始点和交点，交点和终点]
+						});
 					}
 				}
+			}
 
-				if (_self._resultObject.objectExclude.length === 2) {
-					if (this._isRuntimeApp()) {
-						//创建按钮
-						_self._createOperationMainDom();
-
-						//完成绘制
-						document.getElementById("btnDrawComplete").onclick = () => {
-							CreateRemindertip(toolTip, event.endPosition, false);
-							_self.handler.destroy();
-
-							let buttonDiv = document.getElementById("drawButtonDiv");
-							if (buttonDiv) {
-								//从页面移除
-								document.body.removeChild(buttonDiv);
-							}
+			if (_self._resultObject.objectExclude.length === 2) {
+				if (this._isRuntimeApp()) {
+					//创建按钮
+					_self._createOperationMainDom();
+
+					//完成绘制
+					document.getElementById("btnDrawComplete").onclick = () => {
+						CreateRemindertip(toolTip, event.endPosition, false);
+						_self.handler.destroy();
+
+						let buttonDiv = document.getElementById("drawButtonDiv");
+						if (buttonDiv) {
+							//从页面移除
+							document.body.removeChild(buttonDiv);
 						}
 					}
 				}
 			}
+
 		}, Cesium.ScreenSpaceEventType.LEFT_CLICK);
 
 		_self.handler.setInputAction(function(move) {