func TestToLatLonBadInput(t *testing.T) {
for i, data := range badInputToLatLon {
_, err := data.ToLatLon()
if err == nil {
t.Errorf("Expected error. badInputToLatLon TestToLatLonBadInput case %d", i)
}
}
coordinate := UTM.Coordinate{
Easting: 377486,
Northing: 6296562,
ZoneNumber: 30,
}
_, err := coordinate.ToLatLon()
if err == nil {
t.Error("Expected error. too few arguments")
}
coordinate.ZoneLetter = "V"
_, err = coordinate.ToLatLon(true)
if err == nil {
t.Error("Expected error. too many arguments")
}
letters := []string{
"X", "W", "V", "U", "T", "S", "R", "Q", "P", "N", "M", "L", "K", "J", "H", "G", "F", "E", "D", "C",
"x", "w", "v", "u", "t", "s", "r", "q", "p", "n", "m", "l", "k", "j", "h", "g", "f", "e", "d", "c",
}
for _, letter := range letters {
coordinate.ZoneLetter = letter
_, err := coordinate.ToLatLon()
if err != nil {
t.Errorf("letter isn't covered. %s", letter)
}
}
}
func TestToLatLonWithNorthern(t *testing.T) {
for i, data := range knownValues {
UTMwithNorthern := UTM.Coordinate{
Easting: data.UTM.Easting,
Northing: data.UTM.Northing,
ZoneNumber: data.UTM.ZoneNumber,
}
result, err := UTMwithNorthern.ToLatLon(data.northern)
if err != nil {
t.Fatal(err.Error())
}
if round(data.LatLon.Latitude) != round(result.Latitude) {
t.Errorf("Latitude TestToLatLonWithNorthern case %d", i)
}
if round(data.LatLon.Longitude) != round(result.Longitude) {
t.Errorf("Longitude TestToLatLonWithNorthern case %d", i)
}
}
}
func main() {
latLon := UTM.LatLon{
Latitude: 40.71435,
Longitude: -74.00597,
}
result, err := latLon.FromLatLon()
if err != nil {
panic(err.Error())
}
fmt.Println(
fmt.Sprintf(
"Easting: %d; Northing: %d; ZoneNumber: %d; ZoneLetter: %s;",
result.Easting,
result.Northing,
result.ZoneNumber,
result.ZoneLetter,
))
coordinateUTM := UTM.Coordinate{
Easting: 377486,
Northing: 6296562,
ZoneNumber: 30,
}
result1, err1 := coordinateUTM.ToLatLon(true)
if err1 != nil {
panic(err1.Error())
}
fmt.Println(fmt.Sprintf("Latitude: %.5f; Longitude: %.5f;", result1.Latitude, result1.Longitude))
coordinateUTM.ZoneLetter = "V"
result2, err2 := coordinateUTM.ToLatLon()
if err2 != nil {
panic(err2.Error())
}
fmt.Println(fmt.Sprintf("Latitude: %.5f; Longitude: %.5f;", result2.Latitude, result2.Longitude))
}