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utils.go
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/
utils.go
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package main
import (
"bufio"
"encoding/csv"
"github.com/labstack/gommon/log"
"io"
"os"
"path/filepath"
)
func ReadCsvToWKT(input string, hasHeader bool) TrashWKTList {
var res TrashWKTList
in, _ := os.Open(input)
reader := csv.NewReader(bufio.NewReader(in))
reader.Comma = ';'
// read header
if hasHeader {
_, err := reader.Read()
if err != nil {
log.Error(err)
}
}
for {
rec, err := reader.Read()
if err == io.EOF {
break
} else if err != nil {
log.Error(err)
}
res = append(res, TrashWKT{
id: rec[0],
wkt_geom: rec[1],
name: rec[2],
lat: rec[3],
lon: rec[4],
})
}
return res
}
func ReadCsvOnlyWKT(input string, wkt_idx int, hasHeader bool) WKTList {
absPath,_ := filepath.Abs(input)
in, _ := os.Open(absPath)
reader := csv.NewReader(bufio.NewReader(in))
reader.Comma = ';'
// read header
if hasHeader {
_, err := reader.Read()
if err != nil {
log.Error(err)
}
}
var res WKTList
for {
rec, err := reader.Read()
if err == io.EOF {
break
} else if err != nil {
log.Error(err)
}
res = append(res, WKT{
wkt_geom: rec[wkt_idx],
})
}
return res
}