HDFwear/Motion/EndMotionVC.swift

//
//  EndMotionVC.swift
//  Twear
//
//  Created by yangbin on 2022/1/2.
//
import UIKit
import Charts
//import HCKalmanFilter
class EndMotionVC: UIViewController {
    
    private lazy var mapView: MAMapView = MAMapView()
    @IBOutlet weak var distanceLabel: UILabel!
    
    @IBOutlet weak var stepChartView: LineChartView!
    @IBOutlet weak var altitudeChartView: LineChartView!
    
    @IBOutlet weak var maxSpeedLabel: UILabel!
    @IBOutlet weak var minSpeedLabel: UILabel!
    @IBOutlet weak var timeLabel: UILabel!
    @IBOutlet weak var calorieLabel: UILabel!
    @IBOutlet weak var scrollView: UIScrollView!
    @IBOutlet weak var dateLabel: UILabel!
    @IBOutlet weak var stepsLabel: UILabel!
    @IBOutlet weak var stepCadenceLabel: UILabel!
    @IBOutlet weak var stepStrideLabel: UILabel!
    @IBOutlet weak var altitudeLabel: UILabel!
    @IBOutlet weak var altitudeLabel1: UILabel!
    @IBOutlet weak var minAltitudeLabel: UILabel!
    @IBOutlet weak var maxAltitudeLabel: UILabel!
    
    @IBOutlet weak var totalStepLabel: UILabel!
    @IBOutlet weak var averageStepLabel: UILabel!
    @IBOutlet weak var maxStepLabel: UILabel!
    @IBOutlet weak var averageSpeedLabel: UILabel!
    @IBOutlet weak var averagePaceLabel: UILabel!
    @IBOutlet weak var avatarImageView: UIImageView!
    @IBOutlet weak var motionTypeLabel: UILabel!
    @IBOutlet weak var mapBackView: UIView!
    
    @IBOutlet weak var unitLabel: UILabel!
    @IBOutlet weak var altiUnitLabel: UILabel!
    @IBOutlet weak var detailView: UIView!
    @IBOutlet weak var altitudeView: UIView!
    @IBOutlet weak var stepView: UIView!
    
    @IBOutlet weak var detailBottomLayout: NSLayoutConstraint!
    @IBOutlet weak var detailHeightLayout: NSLayoutConstraint!
    @IBOutlet weak var topLayout: NSLayoutConstraint!
    
    @IBOutlet weak var detailLabel1: UILabel!
    @IBOutlet weak var detailLabel2: UILabel!
    @IBOutlet weak var detailLabel3: UILabel!
    @IBOutlet weak var detailLabel4: UILabel!
    @IBOutlet weak var detailLabel5: UILabel!
    @IBOutlet weak var detailLabel6: UILabel!
    @IBOutlet weak var detailLabel7: UILabel!
    @IBOutlet weak var detailLabel8: UILabel!
//    var hcKalmanFilter: HCKalmanAlgorithm?
    var date: Date!
    var distance: Float!
    var length: Int!
    var calorie: Float!
    var altitude: Double = 0
    var motionType: TrainType = .running
    var coordinateArray: [CLLocationCoordinate2D] = []
    var speedArray: [Float] = []
    var stepCadenceArray: [Int] = []
    var altitudeArray: [Double] = []
    
    let user = UserInfo
    
    var isRecordPresent: Bool = false
    
    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
        let polyline = MAPolyline(coordinates: &self.coordinateArray, count: UInt(self.coordinateArray.count))
        let padding = UIEdgeInsets(top: 5, left: 5, bottom: 300, right: 5)
        mapView.setVisibleMapRect(polyline!.boundingMapRect, edgePadding: padding, animated: true)
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        initMapView()
        topLayout.constant = SCREEN_HEIGHT-272
        
        timeLabel.toTimeType3(length: length)
        calorieLabel.text = String(format:"%.2f", calorie) + LocString("千卡")
        
        dateLabel.text = date.toString(.custom("yyyy.MM.dd HH:mm"))
        let step = distanceToStep(distance)
        stepsLabel.text = "\(step)\(LocString("步"))"
        stepCadenceLabel.text = "\(Int(step*60/length))\(LocString("步/分钟"))"
        totalStepLabel.text = "\(step)"
        maxStepLabel.text = "\(stepCadenceArray.max() ?? 0)"
        averageStepLabel.text = "\(Int(step*60/length))"
        
        detailLabel1.text = LocString("步频(步/分钟)")
        detailLabel2.text = LocString("总步数")
        detailLabel3.text = LocString("最大步频")
        detailLabel4.text = LocString("平均步频")
        detailLabel5.text = LocString("累计爬升")
        detailLabel6.text = LocString("最高海拔")
        detailLabel7.text = LocString("最低海拔")
        detailLabel8.text = LocString("累计爬山")
        
        if user.distanceUnit == 0 {
            unitLabel.text = LocString("公里")
            distanceLabel.text = String(format:"%.2f", distance/1000)
            if let maxSpeed = speedArray.max() {
                maxSpeedLabel.text = "\(String(format:"%02d", Int(maxSpeed)/60))′\(String(format:"%02d", Int(maxSpeed)%60))″"
            }
            if let minSpeed = speedArray.max() {
                maxSpeedLabel.text = "\(String(format:"%02d", Int(minSpeed)/60))′\(String(format:"%02d", Int(minSpeed)%60))″"
            }
             let avgPace = speedArray.average()
                averagePaceLabel.text = "\(String(format:"%02d", Int(avgPace)/60))′\(String(format:"%02d", Int(avgPace)%60))″/\(LocString("公里"))"
            
            averageSpeedLabel.text = "\(String(format:"%.2f", distance/1000/(Float(length)/3600)))\(LocString("公里/小时"))"
            
            
            if step > 0 {
                stepStrideLabel.text = "\(Int(distance)*100/step)\(LocString("厘米"))"
            }
            
            altitudeLabel.text = String(format:"%.2f", altitude) + LocString("米")
            altitudeLabel1.text = String(format:"%.2f", altitude)
            minAltitudeLabel.text =  String(format:"%.2f", altitudeArray.min() ?? 0)
            maxAltitudeLabel.text =  String(format:"%.2f", altitudeArray.max() ?? 0)
            altiUnitLabel.text = LocString("海拔(米)")
        } else {
            unitLabel.text = LocString("英里")
            distanceLabel.text = (distance/1000).mileString()
            if let maxSpeed = speedArray.max() {
                maxSpeedLabel.text = "\(String(format:"%02d", Int(maxSpeed/0.6213)/60))′\(String(format:"%02d", Int(maxSpeed/0.6213)%60))″"
            }
            if let minSpeed = speedArray.max() {
                maxSpeedLabel.text = "\(String(format:"%02d", Int(minSpeed/0.6213)/60))′\(String(format:"%02d", Int(minSpeed/0.6213)%60))″"
            }
             let avgPace = speedArray.average()
                averagePaceLabel.text = "\(String(format:"%02d", Int(avgPace/0.6213)/60))′\(String(format:"%02d", Int(avgPace/0.6213)%60))″/\(LocString("英里"))"
            
            averageSpeedLabel.text = "\(String(format:"%.2f", distance/1000*0.6213/(Float(length)/60)))\(LocString("英里/小时"))"
            
            
            if step > 0 {
                stepStrideLabel.text = "\(Int(distance*0.3937)*100/step)\(LocString("英寸"))"
            }
            
            altitudeLabel.text = String(format:"%.2f", altitude*3.281) + LocString("英尺")
            altitudeLabel1.text = String(format:"%.2f", altitude*3.281)
            minAltitudeLabel.text =  String(format:"%.2f", (altitudeArray.min() ?? 0) * 3.281)
            maxAltitudeLabel.text =  String(format:"%.2f", (altitudeArray.max() ?? 0) * 3.281)
            altiUnitLabel.text = LocString("海拔(英尺)")
        }
  
        
        
        if let image = UIImage.getImageFromPath("avatar") {
            avatarImageView.image = image
        } else {
            avatarImageView.image = UIImage(named: UserInfo.gender == 1 ? "avatar_male" : "avatar_female")
        }
        var motionTypeText = "户外跑步"
        switch motionType {
        case .run_indoor:
            motionTypeText = "室内跑步"
        case .walking:
            motionTypeText = "步行"
        case .bicycle:
            motionTypeText = "骑行"
        case .mountaineering:
            motionTypeText = "爬山"
        default:
            break
        }
        
        motionTypeLabel.text = LocString(motionTypeText)
        
        
        if motionType == .mountaineering {
            detailHeightLayout.constant = 350.5
            detailBottomLayout.constant = 690
            altitudeView.isHidden = false
        } else {
            if motionType == .bicycle {
                detailHeightLayout.constant = 220.5
                topLayout.constant = SCREEN_HEIGHT-222
                detailBottomLayout.constant = 0
                stepView.isHidden = true
            } else {
                detailHeightLayout.constant = 318
                detailBottomLayout.constant = 350
                stepView.isHidden = false
            }
            altitudeView.isHidden = true
        }
        
        scrollView.delegate = self
        
        setupStepChartView()
        setupAltitudeChartView()
        // Do any additional setup after loading the view.
    }
    
    func initMapView() {
//        MAMapView.updatePrivacyShow(.didShow, privacyInfo: .didContain)
//        MAMapView.updatePrivacyAgree(.didAgree)
        
        mapView.showsUserLocation = false
//        mapView.userTrackingMode = .follow
        mapView.showsCompass = false
        mapView.zoomLevel = 16
        mapView.mapLanguage = (AppSettings.shared.language == .Chinese) ? 0 : 1
        mapView.delegate =                                                                                                                                                                                                          self
//        let tool = MASmoothPathTool()
//        tool.intensity = 3
//        tool.threshHold = 0.3
//        tool.noiseThreshhold = 10
//
//        self.smoothedTracePoints = tool.pathOptimize(self.origTracePoints)
        
//        if hcKalmanFilter == nil {
//        var coorArray: [CLLocationCoordinate2D] = []
//
//        let location = CLLocation.init(latitude: coordinateArray.first!.latitude, longitude: coordinateArray.first!.longitude)
//        self.hcKalmanFilter = HCKalmanAlgorithm(initialLocation: location)
//        hcKalmanFilter?.rValue = 40
//        hcKalmanFilter?.resetKalman(newStartLocation: location)
//        coorArray.append(location.coordinate)
//        for (i, coor) in coordinateArray.enumerated() {
//            if i != 0 {
//                let loc = CLLocation.init(latitude: coor.latitude, longitude: coor.longitude)
//                let kalmanLocation = hcKalmanFilter?.processState(currentLocation: loc)
//                print("\(loc.coordinate)--\(kalmanLocation!.coordinate)")
//                coorArray.append(kalmanLocation!.coordinate)
//                sleep(2)
//            }
//        }
//        print("完成!")
//        } else {
//            let kalmanLocation = hcKalmanFilter?.processState(currentLocation: location)
////            print("\(kalmanLocation?.coordinate) ---  \(location.coordinate)")
//            self.coordinateArray.append(kalmanLocation!.coordinate)
//            self.locationArray.append(kalmanLocation!)
//        }
        
//        coordinateArray = coorArray
        let polyline = MAPolyline(coordinates: &coordinateArray, count: UInt(coordinateArray.count))
        if motionType != .run_indoor {
            mapView.add(polyline)
            setPointAnnotation()
        }
        
        
        let padding = UIEdgeInsets(top: 5, left: 5, bottom: 25, right: 5)
        mapView.setVisibleMapRect(polyline!.boundingMapRect, edgePadding: padding, animated: true)
        
        mapView.frame = mapBackView.bounds
        mapBackView.addSubview(mapView)
        mapBackView.sendSubviewToBack(mapView)
  
    }
    
    func setPointAnnotation() {
        if coordinateArray.count > 1 {
            let startPoint = MAPointAnnotation()
            startPoint.coordinate = coordinateArray.first!
            startPoint.title = "起点"
            mapView.addAnnotation(startPoint)
            
            let stopPoint = MAPointAnnotation()
            stopPoint.coordinate = coordinateArray.last!
            stopPoint.title = "终点"
            mapView.addAnnotation(stopPoint)
        }
    }
    
    @IBAction func back(_ sender: Any) {
        if !isRecordPresent {
        presentingViewController?.presentingViewController?.dismiss(animated: true, completion: nil)
        } else {
            presentingViewController?.dismiss(animated: true, completion: nil)
        }
    }
    
    @IBAction func share(_ sender: Any) {
        self.mapView.takeSnapshot(in: view.bounds) { mapImage, status in
           
            UIGraphicsBeginImageContextWithOptions(self.detailView.bounds.size, false, UIScreen.main.scale)
            self.detailView.layer.render(in: UIGraphicsGetCurrentContext()!)
            let detailImage = UIGraphicsGetImageFromCurrentImageContext()!
            UIGraphicsEndImageContext()
            
            UIGraphicsBeginImageContextWithOptions(self.stepView.bounds.size, false, UIScreen.main.scale)
            self.stepView.layer.render(in: UIGraphicsGetCurrentContext()!)
            let stepImage = UIGraphicsGetImageFromCurrentImageContext()!
            UIGraphicsEndImageContext()
            
            UIGraphicsBeginImageContextWithOptions(self.altitudeView.bounds.size, false, UIScreen.main.scale)
            self.altitudeView.layer.render(in: UIGraphicsGetCurrentContext()!)
            let altitudeImage = UIGraphicsGetImageFromCurrentImageContext()!
            UIGraphicsEndImageContext()
            
           
            
            // union image
            let imageSize = self.scrollView.contentSize
            let backImageRect = CGRect(x: 0, y: 0, width: self.scrollView.contentSize.width, height: self.scrollView.contentSize.height)
            let backImage = UIImage.getImageWithColor(UIColor.rgbColorFromHex(0xF2F2F2), rect: backImageRect)
//            let imageSize = self.mapView.bounds.size
            UIGraphicsBeginImageContextWithOptions(imageSize, false, UIScreen.main.scale)
            backImage.draw(in: backImageRect)
            mapImage?.draw(in: self.mapView.bounds)
            detailImage.draw(in: self.detailView.frame)
            stepImage.draw(in: self.stepView.frame)
            altitudeImage.draw(in: self.altitudeView.frame)
            let image = UIGraphicsGetImageFromCurrentImageContext()!
            
            UIGraphicsEndImageContext()
//            self.transitionToDetail(with: image)
            let shareView = ShareView(image)
            shareView.show()
        }
        
    }
    
//    func captureAction() -> UIImage? {
//        // map image
//        
////        self.mapView.takeSnapshot(in: view.bounds) { image, status in
////            ret
////        }
//        return self.mapView.takeSnapshot(in: view.bounds)
////        takeSnapshot(in: self.mapView.bounds)
////        // result image
////        let s = self.view.bounds.size
////        UIGraphicsBeginImageContextWithOptions(s, false, UIScreen.main.scale)
////        self.view.layer.render(in: UIGraphicsGetCurrentContext()!)
////        let resultImage = UIGraphicsGetImageFromCurrentImageContext()!
////        UIGraphicsEndImageContext()
////        // union image
////        let imageSize = self.mapView.bounds.size
////        UIGraphicsBeginImageContextWithOptions(imageSize, false, UIScreen.main.scale)
////        mapImage?.draw(in: self.mapView.bounds)
////        resultImage.draw(in: self.view.frame)
////        let image = UIGraphicsGetImageFromCurrentImageContext()!
////        UIGraphicsEndImageContext()
////        self.transitionToDetail(with: image)
//    }
    
    
    
    private func distanceToStep(_ distance: Float) -> Int {
        let user = UserInfo
        if user.gender == 1 {
            return Int (distance * 100 / 0.4 / Float(user.height))
        } else {
            return Int (distance * 100 / 0.35 / Float(user.height))
        }
    }
    
    private func setupStepChartView() {
        if stepCadenceArray.count < 2 {
            return
        }
        stepChartView.chartDescription?.enabled = false //图描述
        stepChartView.legend.enabled = false //左下角图例
        stepChartView.setScaleEnabled(false) //可滑动
        stepChartView.rightAxis.enabled = false //不绘制右边轴的信息
        
        let leftAxis = stepChartView.leftAxis
        leftAxis.labelTextColor = ChartsTextColor
        leftAxis.labelFont = ChartsTextFont(11)
        leftAxis.yOffset = -5
        leftAxis.xOffset = -1
        leftAxis.gridLineDashLengths = [2.0, 2.0]  //设置虚线样式的网格线
        leftAxis.gridColor = LineColor
        leftAxis.gridLineWidth = 1
        leftAxis.axisLineWidth = 0
        leftAxis.drawGridLinesBehindDataEnabled = false
        leftAxis.labelPosition = .insideChart
        
        leftAxis.axisMinimum = 0 //设置左侧Y轴最小值
        leftAxis.axisMaximum = max(Double(stepCadenceArray.max() ?? 220) + 20, 140)
        leftAxis.granularity = 60
        
        let litmitLine = ChartLimitLine(limit: 0, label: "")
        litmitLine.lineWidth = 1
        litmitLine.lineColor = LineColor
        leftAxis.addLimitLine(litmitLine)
        leftAxis.drawLimitLinesBehindDataEnabled = false  //设置限制线绘制在折线图的后面
        
        
        let xAxis = stepChartView.xAxis
        xAxis.granularity = 1 //间隔
        xAxis.labelPosition = .bottom
        xAxis.labelFont = ChartsTextFont(11)
        xAxis.labelTextColor = ChartsTextColor
        xAxis.drawGridLinesBehindDataEnabled = false
        xAxis.axisLineColor = LineColor
        xAxis.axisLineWidth = 1
        xAxis.gridLineDashLengths = [6, 666]
        xAxis.gridColor = LineColor
        xAxis.drawAxisLineEnabled = false
        
        let XValues = (0..<stepCadenceArray.count-1).map { (i) -> String in
            return "\(i)"
        }
        xAxis.valueFormatter = IndexAxisValueFormatter(values: XValues)
        xAxis.labelCount = 5
        xAxis.enabled = false
        xAxis.axisMinimum = -Double(stepCadenceArray.count)/20
        xAxis.axisMaximum = Double(stepCadenceArray.count)-1 + Double(stepCadenceArray.count)/20
        
        var dataEntries = [ChartDataEntry]()
        
        for (i, cadence) in stepCadenceArray.enumerated() {
            if cadence > 0 {
                dataEntries.append(ChartDataEntry(x: Double(i), y: Double(cadence)))
            }
        }
        
        let dataSet = LineChartDataSet(entries: dataEntries)
        dataSet.drawCirclesEnabled = false
        dataSet.drawValuesEnabled = false
        dataSet.highlightEnabled = false//选中拐点,是否开启高亮效果(显示十字线)
        dataSet.highlightLineWidth = 1
        dataSet.highlightColor = UIColor.rgbColorFromHex(0xD90009)// 十字线颜色
        dataSet.drawHorizontalHighlightIndicatorEnabled = false
        dataSet.mode = .horizontalBezier
        dataSet.setColor(UIColor.rgbColorFromHex(0xE8AF1C))
        dataSet.lineWidth = 1
        
        
        dataSet.drawFilledEnabled = true //填充绘制
        let gradientColors = [UIColor.rgbColorFromHex(0xFFCE12).cgColor, UIColor.rgbColorFromHex(0xFFFEFB).cgColor]
        let gradient = CGGradient(colorsSpace: nil, colors: gradientColors as CFArray, locations: [1.0, 0.0])
        dataSet.fillAlpha = 1
        dataSet.fill = Fill(linearGradient: gradient!, angle: 90)
        stepChartView.data = LineChartData(dataSets: [dataSet])
    }
    
    private func setupAltitudeChartView() {
        if altitudeArray.count < 2 {
            return
        }
        altitudeChartView.chartDescription?.enabled = false //图描述
        altitudeChartView.legend.enabled = false //左下角图例
        altitudeChartView.setScaleEnabled(false) //可滑动
        altitudeChartView.rightAxis.enabled = false //不绘制右边轴的信息
        
        let leftAxis = altitudeChartView.leftAxis
        leftAxis.labelTextColor = ChartsTextColor
        leftAxis.labelFont = ChartsTextFont(11)
        leftAxis.yOffset = -5
        leftAxis.xOffset = -1
        leftAxis.gridLineDashLengths = [2.0, 2.0]  //设置虚线样式的网格线
        leftAxis.gridColor = LineColor
        leftAxis.gridLineWidth = 1
        leftAxis.axisLineWidth = 0
        leftAxis.drawGridLinesBehindDataEnabled = false
        leftAxis.labelPosition = .insideChart
        let space = altitude/10
        leftAxis.axisMinimum = min((altitudeArray.min() ?? space) - space, 0)//设置左侧Y轴最小值
        leftAxis.axisMaximum = max(altitudeArray.max() ?? 100 + space, 100)
        leftAxis.granularity = 60
        
        let litmitLine = ChartLimitLine(limit: 0, label: "")
        litmitLine.lineWidth = 1
        litmitLine.lineColor = LineColor
        leftAxis.addLimitLine(litmitLine)
        leftAxis.drawLimitLinesBehindDataEnabled = false  //设置限制线绘制在折线图的后面
        
        
        let xAxis = altitudeChartView.xAxis
        xAxis.granularity = 1 //间隔
        xAxis.labelPosition = .bottom
        xAxis.labelFont = ChartsTextFont(11)
        xAxis.labelTextColor = ChartsTextColor
        xAxis.drawGridLinesBehindDataEnabled = false
        xAxis.axisLineColor = LineColor
        xAxis.axisLineWidth = 1
        xAxis.gridLineDashLengths = [6, 666]
        xAxis.gridColor = LineColor
        xAxis.drawAxisLineEnabled = false
        
        let XValues = (0..<altitudeArray.count-1).map { (i) -> String in
            return "\(i)"
        }
        xAxis.valueFormatter = IndexAxisValueFormatter(values: XValues)
        xAxis.labelCount = 5
        xAxis.enabled = false
        xAxis.axisMinimum = -Double(altitudeArray.count)/20
        xAxis.axisMaximum = Double(altitudeArray.count)-1 + Double(altitudeArray.count)/20
        
        var dataEntries = [ChartDataEntry]()
        
        for (i, altitude) in altitudeArray.enumerated() {
//            if altitude > 0 {
                dataEntries.append(ChartDataEntry(x: Double(i), y: altitude))
//            }
        }
        
        let dataSet = LineChartDataSet(entries: dataEntries)
        dataSet.drawCirclesEnabled = false
        dataSet.drawValuesEnabled = false
        dataSet.highlightEnabled = false//选中拐点,是否开启高亮效果(显示十字线)
        dataSet.highlightLineWidth = 1
        dataSet.highlightColor = UIColor.rgbColorFromHex(0xD90009)// 十字线颜色
        dataSet.drawHorizontalHighlightIndicatorEnabled = false
        dataSet.mode = .horizontalBezier
        dataSet.setColor(UIColor.rgbColorFromHex(0x08BBB2))
        dataSet.lineWidth = 1
        
        
        dataSet.drawFilledEnabled = true //填充绘制
        let gradientColors = [UIColor.rgbColorFromHex(0x12DDE1).cgColor, UIColor.rgbColorFromHex(0xFFFEFB).cgColor]
        let gradient = CGGradient(colorsSpace: nil, colors: gradientColors as CFArray, locations: [1.0, 0.0])
        dataSet.fillAlpha = 1
        dataSet.fill = Fill(linearGradient: gradient!, angle: 90)
        altitudeChartView.data = LineChartData(dataSets: [dataSet])
    }
    
    
    deinit {
        print("deinit\(NSStringFromClass(type(of: self)))!!!!!!!")
    }
}
extension EndMotionVC: UIScrollViewDelegate {
    
    func scrollViewDidScroll(_ scrollView: UIScrollView) {
//        print(scr)
    }
}
extension EndMotionVC: MAMapViewDelegate {
    func mapView(_ mapView: MAMapView!, rendererFor overlay: MAOverlay!) -> MAOverlayRenderer! {
        if let poly = overlay as? MAPolyline {
            let polylineView = MAPolylineRenderer(polyline: poly)
            polylineView!.lineWidth = 6
            polylineView!.strokeColor = UIColor(red: 4 / 255.0, green:  181 / 255.0, blue:  108 / 255.0, alpha: 1.0)
            polylineView!.lineJoinType = kMALineJoinRound
            polylineView!.lineCapType = kMALineCapRound
            return polylineView
        } else {
            return nil
        }
    }
    
    func mapView(_ mapView: MAMapView!, viewFor annotation: MAAnnotation!) -> MAAnnotationView! {
        if annotation is MAPointAnnotation {
            let pointReuseIndetifier = "pointReuseIndetifier"
//            let customAnnotation = annotation as! CustomPointAnnotation
            var annotationView: MAAnnotationView? = mapView.dequeueReusableAnnotationView(withIdentifier: pointReuseIndetifier)
            
            if annotationView == nil {
                annotationView = MAAnnotationView(annotation: annotation, reuseIdentifier: pointReuseIndetifier)
            }
            if annotation.title == "起点" {
                annotationView?.image = UIImage(named: "start_point")
            }
            if annotation.title == "终点" {
                annotationView?.image = UIImage(named: "stop_point")
            }
            annotationView?.centerOffset = CGPoint(x: 0, y: -7.5);
            return annotationView
        }
        return nil
    }
}