func main() {
latitude, longitude := 53.21853, 6.5670 // Groningen, The Netherlands
// END OF USER SETTINGS
now := novas.Now()
fmt.Println(now)
geo := novas.NewPlace(latitude, longitude, 0, 20, 1010)
fmt.Println("\nLocation:", geo, "\n")
moon := novas.Moon()
fmt.Printf("Distance from earth's center: %.0f km\n", moon.App(now).Dis*novas.AU)
data := moon.Topo(now, geo, novas.REFR_NONE)
fmt.Printf("Distance from surface location: %.0f km\n\n", data.Dis*novas.AU)
fmt.Printf("Altitude: %7.3f°\nAzimuth: %7.3f°\n\n", data.Alt, data.Az)
fmt.Printf("Phase of the moon: %.2f°, illuminated: %.0f%%\n\n", novas.MoonPhase(now), moon.Disc(now))
fmt.Println("Next new moon: ", novas.MoonPhaseNext(now, 0, 30*time.Second))
fmt.Println("Next first quarter: ", novas.MoonPhaseNext(now, 90, 30*time.Second))
fmt.Println("Next full moon: ", novas.MoonPhaseNext(now, 180, 30*time.Second))
fmt.Println("Next third quarter: ", novas.MoonPhaseNext(now, 270, 30*time.Second))
}
func TestDisc(t *testing.T) {
tests := []string{
"Moon 62",
"Mercury 13",
"Venus 48",
"Mars 97",
"Jupiter 100",
}
nt := novas.Date(2012, 4, 1, 0, 0, 0, 0, time.UTC)
for i, n := range []*novas.Body{
novas.Moon(),
novas.Mercury(),
novas.Venus(),
novas.Mars(),
novas.Jupiter(),
} {
got := fmt.Sprintf("%s %.0f", n.Name(), n.Disc(nt))
if tests[i] != got {
t.Errorf("expected %s, got %s", tests[i], got)
}
}
}