goges

package main

import (
    "fmt"
    "github.com/peterstace/simplefeatures/geom"
    "github.com/twpayne/go-geos"
    "github.com/twpayne/go-geos/geojson"
    "github.com/twpayne/go-geos/geometry"
)

func gogeos() {
    line, _ := geos.NewGeomFromWKT("LINESTRING Z (117.1670175812344 31.70043707 11.85899,117.16700395 31.70044817 12.85899)")
    // geom.Destroy()
    fmt.Println(line.ToWKT())
    interpolate_point := line.Interpolate(0.1)
    fmt.Println(interpolate_point.ToWKT())
    line_buffer := line.Buffer(0.00005, 1)
    fmt.Println(line_buffer.ToWKT())

    fmt.Println(line.Type())
    coordSeq := line.CoordSeq()
    coords := coordSeq.ToCoords()
    for i, coord := range coords {
        fmt.Println(i, coord)
    }
    //point.Destroy()
    feature := geojson.Feature{Geometry: geometry.Geometry{line}, Properties: map[string]interface{}{"a": 2}}
    data, _ := feature.MarshalJSON()
    fmt.Println(string(data))
}

func simple() {
    point2, _ := geom.UnmarshalWKT("point(1 1)")
    fmt.Println(point2.AsText())
    feature2 := geom.GeoJSONFeature{Geometry: point2, Properties: map[string]interface{}{"a": 2}}
    data, err := feature2.MarshalJSON()
    fmt.Println(err)
    fmt.Println(string(data))
}

func main() {
    gogeos()
    rows := []map[string]string{{"lane_id": "1", "lg_id": "2", "seq_num": "2"}, {"lane_id": "1", "lg_id": "2", "seq_num": "22"},
        {"lane_id": "13", "lg_id": "2", "seq_num": "222"}}
    lgLaneIdsMap := make(map[string]map[string]string)
    lgLaneIdsMap2 := make(map[string][]string)
    LaneIdMap := make(map[string]any)

    for _, row := range rows {
        laneId, lgId, seqNum := row["lane_id"], row["lg_id"], row["seq_num"]
        if _, ok := lgLaneIdsMap[lgId]; ok {
            lgLaneIdsMap[lgId][laneId] = ""
        } else {
            laneIdsMap := map[string]string{laneId: ""}
            lgLaneIdsMap[lgId] = laneIdsMap
        }

        if _, ok := lgLaneIdsMap2[lgId]; ok {
            lgLaneIdsMap2[lgId] = append(lgLaneIdsMap2[lgId], laneId)
        } else {
            laneIds := []string{laneId}
            lgLaneIdsMap2[lgId] = laneIds
        }
        LaneIdMap[laneId] = []string{lgId, seqNum}

    }
    for s, m := range lgLaneIdsMap {
        fmt.Println(s, m)
    }
    for s, m := range lgLaneIdsMap2 {
        fmt.Println(s, m)
    }
    for s, a := range LaneIdMap {
        fmt.Println(s, a)
    }
}