52 lines
1 KiB
Go
52 lines
1 KiB
Go
package main
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import (
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"encoding/gob"
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"log"
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"os"
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"github.com/ray1729/gpx-utils/pkg/openname"
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"github.com/ray1729/gpx-utils/pkg/placenames"
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)
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func main() {
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log.SetFlags(0)
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if len(os.Args) != 3 {
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log.Fatal("Usage: %s INFILE OUTFILE", os.Args[0])
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}
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wc, err := os.OpenFile(os.Args[2], os.O_CREATE|os.O_RDWR|os.O_TRUNC, 0644)
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if err != nil {
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log.Fatal(err)
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}
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defer wc.Close()
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enc := gob.NewEncoder(wc)
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err = openname.ProcessFile(
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os.Args[1],
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func(r *openname.Record) error {
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b := placenames.NamedBoundary{
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Name: r.Name,
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Type: r.LocalType,
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County: coalesce(r.CountyUnitary, r.DistrictBorough),
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Xmin: r.MbrXMin,
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Ymin: r.MbrYMin,
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Xmax: r.MbrXMax,
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Ymax: r.MbrYMax}
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return enc.Encode(b)
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},
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openname.FilterType("populatedPlace"),
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openname.FilterLocalType("Suburban Area").Complement(),
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openname.FilterAreaGt(0),
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)
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if err != nil {
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log.Fatal(err)
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}
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}
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func coalesce(xs ...string) string {
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for _, x := range xs {
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if len(x) > 0 {
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return x
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}
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}
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return ""
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}
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