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- 修复getMapCenter的bug

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This commit is contained in:
gazebo
2019-09-23 12:21:03 +08:00
parent 06a155daf2
commit 76e42e7043
1 changed files with 9 additions and 10 deletions
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19
business/jxstore/cms/store.go
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@@ -428,12 +428,13 @@ func GetStores(ctx *jxcontext.Context, keyword string, params map[string]interfa
task.GetResult(0)
}
// if mapLimit {
// retVal.TotalCount = len(retVal.Stores)
// retVal.TotalCount = len(retVal.Stores)f
// }
} else {
// dao.Rollback(db)
}
if mapLimit && len(retVal.Stores) > 0 {
retVal.Stores = append(retVal.Stores, &StoreExt{})
if len(retVal.Stores) > 0 {
retVal.MapCenterLng, retVal.MapCenterLat = getMapCenter(retVal.Stores)
}
return retVal, err
@@ -483,18 +484,16 @@ func getMapCenter(storeList []*StoreExt) (lng, lat float64) {
lngAvg = lngAvg / storeListLenFloat
latAvg = latAvg / storeListLenFloat
lngMean := float64(0)
latMean := float64(0)
distAvg := float64(0)
for _, store := range storeList {
lngMean += (store.FloatLng - lngAvg) * (store.FloatLng - lngAvg)
latMean += (store.FloatLat - latAvg) * (store.FloatLat - latAvg)
distAvg += math.Sqrt((store.FloatLng-lngAvg)*(store.FloatLng-lngAvg) + (store.FloatLat-latAvg)*(store.FloatLat-latAvg))
}
lngMean = math.Sqrt(lngMean / storeListLenFloat)
latMean = math.Sqrt(latMean / storeListLenFloat)
distAvg = (distAvg / storeListLenFloat)
maxDist := distAvg * 5
newStoreList := []*StoreExt{}
for _, store := range storeList {
if store.FloatLng >= lngMean-lngAvg && store.FloatLng <= lngMean+lngAvg &&
store.FloatLat >= latMean-latAvg && store.FloatLat <= latMean+latAvg {
dist := math.Sqrt((store.FloatLng-lngAvg)*(store.FloatLng-lngAvg) + (store.FloatLat-latAvg)*(store.FloatLat-latAvg))
if dist < maxDist {
lng += store.FloatLng
lat += store.FloatLat
newStoreList = append(newStoreList, store)