func ExampleSolar_1993() {
// Example 54.a, p. 384.
t, c, jm, γ, u, p, mag := eclipse.Solar(1993.38)
switch t {
case eclipse.None:
fmt.Println("No eclipse")
return
case eclipse.Partial:
fmt.Println("Partial eclipse")
case eclipse.Annular:
fmt.Println("Annular eclipse")
case eclipse.AnnularTotal:
fmt.Println("Annular-total eclipse")
case eclipse.Total:
fmt.Println("Total eclipse")
default:
panic(t)
}
if t == eclipse.Partial {
fmt.Printf("Partial eclipse magnitude: %.3f\n", mag)
}
if c {
fmt.Println("Central")
} else {
fmt.Println("Non-central")
}
fmt.Printf("Time of maximum eclipse: %.4f\n", jm)
fmt.Printf("Minimum distance, γ: %+.4f\n", γ)
fmt.Printf("Umbral radius, u: %+.4f\n", u)
fmt.Printf("Penumbral radius: %+.4f\n", p)
// Output:
// Partial eclipse
// Partial eclipse magnitude: 0.740
// Non-central
// Time of maximum eclipse: 2449129.0978
// Minimum distance, γ: +1.1348
// Umbral radius, u: +0.0097
// Penumbral radius: +0.5558
}
func ExampleSolar_2009() {
// Example 54.b, p. 385.
t, c, jm, γ, u, p, mag := eclipse.Solar(2009.56)
switch t {
case eclipse.None:
fmt.Println("No eclipse")
return
case eclipse.Partial:
fmt.Println("Partial eclipse")
case eclipse.Annular:
fmt.Println("Annular eclipse")
case eclipse.AnnularTotal:
fmt.Println("Annular-total eclipse")
case eclipse.Total:
fmt.Println("Total eclipse")
default:
panic(t)
}
if t == eclipse.Partial {
fmt.Printf("Partial eclipse magnitude: %.3f\n", mag)
}
if c {
fmt.Println("Central")
} else {
fmt.Println("Non-central")
}
fmt.Printf("Time of maximum eclipse: %.4f\n", jm)
fmt.Printf("Minimum distance, γ: %+.4f\n", γ)
fmt.Printf("Umbral radius, u: %+.4f\n", u)
fmt.Printf("Penumbral radius: %+.4f\n", p)
// Output:
// Total eclipse
// Central
// Time of maximum eclipse: 2455034.6088
// Minimum distance, γ: +0.0695
// Umbral radius, u: -0.0157
// Penumbral radius: +0.5304
}