From 18827e9e25797b6d24ad7ad4785f7e80fe46a409 Mon Sep 17 00:00:00 2001
From: panlei <2799247126@qq.com>
Date: 星期一, 18 十一月 2019 19:05:14 +0800
Subject: [PATCH] 车辆版本
---
ruleserver/geoPolygon.go | 26 ++++++++++++++++++++------
1 files changed, 20 insertions(+), 6 deletions(-)
diff --git a/ruleserver/geoPolygon.go b/ruleserver/geoPolygon.go
index bfe8efe..bb74b6c 100644
--- a/ruleserver/geoPolygon.go
+++ b/ruleserver/geoPolygon.go
@@ -20,10 +20,24 @@
return num1
}
+//Rect 妫�娴嬬洰鏍�
+type Rect struct {
+ X float64
+ Y float64
+ Width float64
+ Height float64
+}
+
+//Pointfloat 鍧愭爣鐐�
+type Pointfloat struct {
+ X float64 `json:"x"`
+ Y float64 `json:"y"`
+}
+
//PintIsInPolygon 鍒ゆ柇鐐规槸鍚﹀湪澶氳竟褰㈠唴閮�
//point涓鸿鍒ゆ柇鐨勫潗鏍囩偣
//polygon鏄杈瑰舰鍚勭偣鏁扮粍
-func pintIsInPolygon(point structure.Pointfloat, polygon []structure.Point, widthScale float64, heightScale float64) bool {
+func PintIsInPolygon(point structure.Pointfloat, polygon []structure.Point, widthScale float64, heightScale float64) bool {
var nCross int = 0
for i := 0; i < len(polygon); i++ {
@@ -53,7 +67,7 @@
}
//GetLocation 灏嗕竴涓粰瀹氳捣濮嬪潗鏍囷紝瀹藉害闀垮害鐨勭煩褰㈠尯鍩熷潎鍒嗕负n鏂逛唤骞惰繑鍥炰腑蹇冨潗鏍囷紙n涓哄崟杈瑰钩鍒嗘暟鍊硷級鍜岄潰绉�
-func getLocation(rect structure.Rect, n int) ([]structure.Pointfloat, float64) {
+func GetLocation(rect structure.Rect, n int) ([]structure.Pointfloat, float64) {
xArr := make([]float64, n) // 鐢ㄥ垏鐗囦笉鐢ㄦ暟缁勶紝鏁扮粍涓嶈兘鐢ㄥ彉閲忓畾涔夐暱搴�
yArr := make([]float64, n)
pointArr := make([]structure.Pointfloat, 0, n*n)
@@ -72,7 +86,7 @@
}
//ComputePolygonArea 璁＄畻浠绘剰澶氳竟褰㈤潰绉�
-func computePolygonArea(polygon []structure.Point) float64 {
+func ComputePolygonArea(polygon []structure.Point) float64 {
pointNum := len(polygon)
var s float64 = 0
if pointNum < 3 {
@@ -88,16 +102,16 @@
//PgsInterPercent calculate percent of two polygon intersection 璁＄畻涓や釜澶氳竟褰㈢殑閲嶅彔鍗犳瘮
func PgsInterPercent(pgpts []structure.Point, box structure.Rect, widthScale float64, heightScale float64) (percent float64) {
- areapts, areaBox := getLocation(box, 10)
+ areapts, areaBox := GetLocation(box, 10)
var count = 0
for _, pts := range areapts {
- if pintIsInPolygon(pts, pgpts, widthScale, heightScale) {
+ if PintIsInPolygon(pts, pgpts, widthScale, heightScale) {
count++
}
}
perInterBox := float64(count) / float64(len(areapts)) // 閲嶅悎闈㈢Н鍗犵煩褰㈢殑姣斾緥
areaInter := perInterBox * areaBox
- areaPg := computePolygonArea(pgpts)
+ areaPg := ComputePolygonArea(pgpts)
perInterPg := areaInter / areaPg // 閲嶅悎闈㈢Н鍗犲杈瑰舰鍖哄煙鐨勬瘮渚�
// 鍝釜鍗犵殑姣斾緥澶ф寜鍝釜璁＄畻
if perInterBox > perInterPg {
--
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