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@@ -0,0 +1,92 @@
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+package main
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+
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+import (
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+ "cicv-data-closedloop/pjisuv_msgs"
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+ "fmt"
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+ "math"
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+ "sync"
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+)
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+
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+type Point struct {
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+ Latitude float64
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+ Longitude float64
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+}
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+
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+var (
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+ threshold float64 = 10
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+ IsCurve bool
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+ count1 int64
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+ //定义园区T字路口的经纬度坐标值
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+ point3 = Point{39.73040966605621, 116.48995329696209}
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+ point4 = Point{39.73083727413453, 116.49079780188244}
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+ point5 = Point{39.72976753711939, 116.49043130389033}
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+ point6 = Point{39.73012466515933, 116.49128381717591}
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+ point7 = Point{39.729251498328246, 116.49077484625299}
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+ point8 = Point{39.72964529630643, 116.49164592200161}
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+
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+ pointlist = []Point{point3, point4, point5, point6, point7, point8}
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+)
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+
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+func Topic() string {
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+ return "/cicv_location"
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+}
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+
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+// 禁止存在下划线_
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+func Label() string {
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+ return "JunctionOverspeed"
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+}
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+
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+func IfEnter(pointlist []Point, radius float64, lat, lon float64) bool {
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+ // 判断是否进入点列表中的区域
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+ point1 := Point{Latitude: lat, Longitude: lon}
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+ for _, point := range pointlist {
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+ d := distance(point1, point)
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+ if d <= radius {
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+ return true
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+ }
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+ }
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+ return false
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+}
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+
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+// 计算两点之间的距离(米)
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+func distance(point1, point2 Point) float64 {
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+ // 经纬度转弧度
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+ lat1 := point1.Latitude * math.Pi / 180
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+ lon1 := point1.Longitude * math.Pi / 180
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+ lat2 := point2.Latitude * math.Pi / 180
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+ lon2 := point2.Longitude * math.Pi / 180
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+
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+ // 计算距离
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+ dlon := lon2 - lon1
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+ dlat := lat2 - lat1
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+ a := math.Sin(dlat/2)*math.Sin(dlat/2) + math.Sin(dlon/2)*math.Sin(dlon/2)*math.Cos(lat1)*math.Cos(lat2)
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+ c := 2 * math.Atan2(math.Sqrt(a), math.Sqrt(1-a))
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+ d := 6371000 * c
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+
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+ return d
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+}
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+
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+func Rule(shareVars *sync.Map, data *pjisuv_msgs.PerceptionLocalization) string {
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+ defer func() {
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+ if r := recover(); r != nil {
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+ fmt.Println("Recovered from panic:", r)
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+ }
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+ }()
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+ if count1%10 == 0 {
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+ Automode, _ := shareVars.Load("AutomodeOfPjVehicleFdbPub")
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+ Automode = Automode.(int16)
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+ IsCurve = IfEnter(pointlist, 16.0, data.Latitude, data.Longitude)
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+
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+ if Automode == 1 && IsCurve {
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+ absspeed := math.Sqrt(math.Pow(data.VelocityX, 2) + math.Pow(data.VelocityY, 2))
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+ if absspeed >= threshold {
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+ eventLabel := "JunctionOverspeed"
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+ fmt.Println(eventLabel)
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+ count1 = 1
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+ return Label()
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+ }
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+ }
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+ }
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+ count1++
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+ return ""
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+}
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