89 lines
2.2 KiB
Go
89 lines
2.2 KiB
Go
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package solaranalyzer
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import (
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"encoding/json"
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"os/exec"
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"path/filepath"
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"strings"
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"github.com/tidwall/gjson"
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)
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const (
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drillingHole = "hole" // 钻孔
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pillar = "pile" // 桩基
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bracket = "shelves" // 支架
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solarPanel = "pho" // 光伏板
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)
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type Point struct {
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Points []XYPosition // 光伏板的坐标点
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ID int // pv_module 表中的自增ID
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}
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type XYPosition struct {
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X float64 `json:"x"`
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Y float64 `json:"y"`
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}
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// getSolarPanelRanges 解析光伏板 JSON
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func getSolarPanelRanges(file string) []Point {
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var points []Point
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gjson.Parse(file).ForEach(func(_, record gjson.Result) bool {
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record.Get("detail").ForEach(func(_, detail gjson.Result) bool {
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id := record.Get("id").Int()
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var longitudeAndLatitude []XYPosition
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gjson.Get(detail.String(), "positions").ForEach(func(_, position gjson.Result) bool {
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longitude := position.Get("lng").Float()
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latitude := position.Get("lat").Float()
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longitudeAndLatitude = append(longitudeAndLatitude, XYPosition{X: longitude, Y: latitude})
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return true
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})
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points = append(points, Point{ID: int(id), Points: longitudeAndLatitude})
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return true
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})
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return true
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})
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return points
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}
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// convertToLongitudeAndLatitude 根据 tif 文件将坐标转换为经纬度
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func convertToLongitudeAndLatitude(tifFilePath string, coordinatePoints []XYPosition) []XYPosition {
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positionsJSON, err := json.Marshal(coordinatePoints)
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if err != nil {
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panic(err)
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}
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convertPath, err := filepath.Abs("./convert")
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if err != nil {
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panic(err)
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}
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output, err := exec.Command(convertPath, filepath.Clean(tifFilePath), string(positionsJSON)).CombinedOutput()
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if err != nil {
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panic(err)
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}
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outputLines := strings.Split(string(output), "\n")
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lastLine := outputLines[len(outputLines)-2] // 获取最后一行
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// 解析二进制返回的 JSON, 并将其转换为 XYPosition 结构
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var longitudeAndLatitude []XYPosition
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gjson.Get(lastLine, "data").ForEach(func(_, position gjson.Result) bool {
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longitudeAndLatitude = append(longitudeAndLatitude, XYPosition{
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X: position.Get("y").Float(),
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Y: position.Get("x").Float(),
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})
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return true
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})
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return longitudeAndLatitude
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}
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