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苏尹岚
2021-03-11 09:52:16 +08:00
parent dc7e916471
commit 7917274c26
1 changed files with 1 additions and 0 deletions
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business/jxstore/report/report.go
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@@ -560,6 +560,7 @@ func CalculateCoverArea(coordinate []string, vendorID int) (area float64) {
for i := 0; i < len(xyList)-1; i++ { for i := 0; i < len(xyList)-1; i++ {
// sum += (xyList[i+1][0] - xyList[i][0]) * (xyList[i+1][1] + xyList[i][1]) // sum += (xyList[i+1][0] - xyList[i][0]) * (xyList[i+1][1] + xyList[i][1])
sum += (xyList[i][0]*xyList[i+1][1] - xyList[i+1][0]*xyList[i][1]) sum += (xyList[i][0]*xyList[i+1][1] - xyList[i+1][0]*xyList[i][1])
fmt.Println("CalculateCoverArea ,", sum, xyList[i][0]*xyList[i+1][1], xyList[i+1][0]*xyList[i][1])
} }
// sum += (xyList[0][0] - xyList[len(xyList)-1][0]) * (xyList[0][1] + xyList[len(xyList)-1][1]) // sum += (xyList[0][0] - xyList[len(xyList)-1][0]) * (xyList[0][1] + xyList[len(xyList)-1][1])
sum += (xyList[len(xyList)-1][0]*xyList[0][1] - xyList[0][0]*xyList[len(xyList)-1][1]) sum += (xyList[len(xyList)-1][0]*xyList[0][1] - xyList[0][0]*xyList[len(xyList)-1][1])