func feature2Airfield(f *geojson.Feature) airfield.Airfield {
a := airfield.Airfield{
ID: f.PropertyMustString("ID"), ShortName: f.PropertyMustString("ShortName"),
Name: f.PropertyMustString("Name"), Region: f.PropertyMustString("Region"),
ICAO: f.PropertyMustString("ICAO"), Flags: f.PropertyMustInt("Flags"),
Catalog: f.PropertyMustInt("Catalog"), Length: f.PropertyMustInt("Length"),
Elevation: f.PropertyMustInt("Elevation"), Runway: f.PropertyMustString("Runway"),
Frequency: f.PropertyMustFloat64("Frequency"),
}
a.Longitude = f.Geometry.Point[0]
a.Latitude = f.Geometry.Point[1]
return a
}
func (r *Release) parseAirfield(line string) error {
afield := airfield.Airfield{Update: r.Date}
if line[4] == '2' { // unclear airstrip
afield.Flags |= airfield.UnclearAirstrip
afield.ShortName = strings.Trim(line[0:4], " ")
} else { // regular airstrip
afield.ShortName = strings.Trim(line[0:5], " ")
}
afield.Name = strings.Trim(line[7:20], " ")
if line[23] == '#' && line[24] != ' ' && string(line[24:28]) != "GLD!" { // ICAO available
afield.ICAO = line[24:28]
afield.ID = afield.ICAO
} else {
afield.ID = afield.ShortName
}
if line[23:27] == "*ULM" { // ultralight site
afield.Flags |= airfield.ULMSite
} else if line[5] == '2' { // outlanding
afield.Flags |= airfield.Outlanding
afield.Catalog, _ = strconv.Atoi(line[26:28])
} else if line[20:24] == "GLD#" || line[23:28] == "#GLD" { // glider site
afield.Flags |= airfield.GliderSite
}
afield.Flags |= r.runwayType2Bit(line[28])
afield.Length, _ = strconv.Atoi(line[29:32])
afield.Length *= 10
afield.Runway = line[32:36]
decimal, _ := strconv.ParseFloat(line[39:41], 64)
afield.Frequency, _ = strconv.ParseFloat(line[36:39], 64)
afield.Frequency += decimal * 0.01
elevation := strings.Trim(line[41:45], " ")
afield.Elevation, _ = strconv.Atoi(elevation)
afield.Latitude = spatial.DMS2Decimal(line[45:52])
afield.Longitude = spatial.DMS2Decimal(line[52:60])
afield.Region = line[60:62]
r.Airfields = append(r.Airfields, afield)
return nil
}