初始

api/v1/common/coryCommon/map.go

@@ -0,0 +1,111 @@
+package coryCommon
+
+import (
+	"fmt"
+	"github.com/golang/geo/s2"
+	toolTurf "github.com/tiger1103/gfast/v3/api/v1/common/tool/turf"
+	"github.com/tomchavakis/geojson/geometry"
+	"github.com/tomchavakis/turf-go"
+)
+
+// DetailedMap shp文件数据
+type DetailedMap struct {
+	Positions []struct {
+		Lng float64 `json:"lng"`
+		Lat float64 `json:"lat"`
+		Alt float64 `json:"alt"`
+	} `json:"positions"`
+	Width     string `json:"width"`
+	Color     string `json:"color"`
+	Alpha     string `json:"alpha"`
+	Name      string `json:"name"`
+	Property  string `json:"property"`
+	TxtMemo   string `json:"TxtMemo"`
+	ShapeLeng string `json:"Shape_Leng"`
+	ShapeArea string `json:"Shape_Area"`
+	Range     struct {
+		MinX float64 `json:"min_x"`
+		MinY float64 `json:"min_y"`
+		MaxX float64 `json:"max_x"`
+		MaxY float64 `json:"max_y"`
+	} `json:"range"`
+}
+
+// RectangularFrameRange 是否在矩形框范围内，是否在打卡范围内
+func RectangularFrameRange(dataInfo DetailedMap, locationLng float64, locationLat float64) (flag bool) {
+	//1、组装数据 84坐标
+	polygon := [][]float64{}
+	for _, data := range dataInfo.Positions {
+		polygon = append(polygon, []float64{data.Lng, data.Lat})
+	}
+	//3、判断位置
+	distance := toolTurf.BooleanPointInPolygon([]float64{locationLng, locationLat}, polygon)
+	if distance {
+		fmt.Println("点在矩形框内")
+		return true
+	} else {
+		fmt.Println("点在矩形框外")
+		return false
+	}
+}
+
+// FEIQI_RectangularFrameRange 是否在矩形框范围内，是否在打卡范围内   ！！！！！！！！！！！！！！！！！有问题
+func FEIQI_RectangularFrameRange(dataInfo DetailedMap, locationLng float64, locationLat float64) (flag bool) {
+	//1、组装数据
+	var pl geometry.Polygon
+	var ls []geometry.LineString
+	var pt []geometry.Point
+	for _, data := range dataInfo.Positions {
+		wgs84 := LatLng{Latitude: data.Lat, Longitude: data.Lng}
+		t1 := WGS84ToEPSG900913(wgs84)
+		var p geometry.Point
+		p.Lng = t1.Latitude
+		p.Lat = t1.Longitude
+		pt = append(pt, p)
+	}
+	var lsTwo geometry.LineString
+	lsTwo.Coordinates = pt
+	ls = append(ls, lsTwo)
+	pl.Coordinates = append(pl.Coordinates, lsTwo)
+	//2、当前人所在位置
+	locationLng, locationLat = GCJ02toWGS84(locationLng, locationLat)
+	wgs84 := LatLng{Latitude: locationLng, Longitude: locationLat}
+	t1 := WGS84ToEPSG900913(wgs84)
+	myPoint := geometry.Point{
+		Lng: t1.Longitude,
+		Lat: t1.Latitude,
+	}
+	//3、判断myPoint是否在pl框内
+	distance, _ := turf.PointInPolygon(myPoint, pl)
+	if distance {
+		fmt.Println("点在矩形框内")
+		return true
+	} else {
+		fmt.Println("点在矩形框外")
+		return false
+	}
+}
+
+type LatLng struct {
+	Latitude  float64
+	Longitude float64
+}
+
+// WGS84ToEPSG900913 将WGS84坐标转换为EPSG-900913坐标
+func WGS84ToEPSG900913(wgs84 LatLng) LatLng {
+	// 将WGS84坐标转换为s2.LatLng
+	ll := s2.LatLngFromDegrees(wgs84.Latitude, wgs84.Longitude)
+
+	// 创建s2.Point
+	p := s2.PointFromLatLng(ll)
+
+	// 计算EPSG-900913坐标
+	//epsgX, epsgY := p.Normalize()
+	normalize := p.Normalize()
+
+	// 将坐标范围映射到EPSG-900913的范围
+	epsgX := normalize.X * 20037508.34 / 180.0
+	epsgY := normalize.Y * 20037508.34 / 180.0
+
+	return LatLng{Latitude: epsgY, Longitude: epsgX}
+}