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Golang planetposition.LoadPlanet函数代码示例

本文整理汇总了Golang中github.com/soniakeys/meeus/planetposition.LoadPlanet函数的典型用法代码示例。如果您正苦于以下问题：Golang LoadPlanet函数的具体用法？Golang LoadPlanet怎么用？Golang LoadPlanet使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了LoadPlanet函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: ExamplePositions

func ExamplePositions() {
	// Example 46.a, p. 334.
	earth, err := pp.LoadPlanet(pp.Earth)
	if err != nil {
		fmt.Println(err)
		return
	}
	saturn, err := pp.LoadPlanet(pp.Saturn)
	if err != nil {
		fmt.Println(err)
		return
	}
	var pos [8]saturnmoons.XY
	saturnmoons.Positions(2451439.50074, earth, saturn, &pos)
	for i := range pos {
		fmt.Printf("%d:  %+7.3f  %+7.3f\n", i+1, pos[i].X, pos[i].Y)
	}
	// Output:
	// 1:   +3.102   -0.204
	// 2:   +3.823   +0.318
	// 3:   +4.027   -1.061
	// 4:   -5.365   -1.148
	// 5:   -0.972   -3.136
	// 6:  +14.568   +4.738
	// 7:  -18.001   -5.328
	// 8:  -48.760   +4.137
}
开发者ID:soniakeys，项目名称:meeus，代码行数:27，代码来源:pp_test.go

示例2: ExampleRing

func ExampleRing() {
	// Example 45.a, p. 320
	earth, err := pp.LoadPlanet(pp.Earth, "")
	if err != nil {
		fmt.Println(err)
		return
	}
	saturn, err := pp.LoadPlanet(pp.Saturn, "")
	if err != nil {
		fmt.Println(err)
		return
	}
	B, Bʹ, ΔU, P, a, b := saturnring.Ring(2448972.50068, earth, saturn)
	fmt.Printf("B  = %.3f\n", B*180/math.Pi)
	fmt.Printf("Bʹ = %.3f\n", Bʹ*180/math.Pi)
	fmt.Printf("ΔU = %.3f\n", ΔU*180/math.Pi)
	fmt.Printf("P  = %.3f\n", P*180/math.Pi)
	fmt.Printf("a  = %.2d\n", base.NewFmtAngle(a))
	fmt.Printf("b  = %.2d\n", base.NewFmtAngle(b))
	// Output:
	// B  = 16.442
	// Bʹ = 14.679
	// ΔU = 4.198
	// P  = 6.741
	// a  = 35″.87
	// b  = 10″.15
}
开发者ID:pjh59，项目名称:meeus，代码行数:27，代码来源:saturnring_test.go

示例3: ExamplePhysical

func ExamplePhysical() {
	// Example 42.a, p. 291
	e, err := pp.LoadPlanet(pp.Earth)
	if err != nil {
		fmt.Println(err)
		return
	}
	m, err := pp.LoadPlanet(pp.Mars)
	if err != nil {
		fmt.Println(err)
		return
	}
	DE, DS, ω, P, Q, d, q, k := mars.Physical(2448935.500683, e, m)
	fmt.Printf("DE = %+.2f\n", DE.Deg())
	fmt.Printf("DS = %+.2f\n", DS.Deg())
	fmt.Printf("ω = %.2f\n", ω.Deg())
	fmt.Printf("P = %.2f\n", P.Deg())
	fmt.Printf("Q = %.2f\n", Q.Deg())
	fmt.Printf("d = %.2f\n", d.Sec()) // display as arc sec
	fmt.Printf("k = %.4f\n", k)
	fmt.Printf("q = %.2f\n", q.Sec()) // display as arc sec
	// Output:
	// DE = +12.44
	// DS = -2.76
	// ω = 111.55
	// P = 347.64
	// Q = 279.91
	// d = 10.75
	// k = 0.9012
	// q = 1.06
}
开发者ID:soniakeys，项目名称:meeus，代码行数:31，代码来源:pp_test.go

示例4: ExampleApproxPlanet

func ExampleApproxPlanet() {
	// Example 15.a, p. 103.
	p := globe.Coord{
		Lon: unit.NewAngle(' ', 71, 5, 0),
		Lat: unit.NewAngle(' ', 42, 20, 0),
	}
	e, err := pp.LoadPlanet(pp.Earth)
	if err != nil {
		fmt.Println(err)
		return
	}
	v, err := pp.LoadPlanet(pp.Venus)
	if err != nil {
		fmt.Println(err)
		return
	}
	tRise, tTransit, tSet, err := rise.ApproxPlanet(1988, 3, 20, p, e, v)
	if err != nil {
		fmt.Println(err)
		return
	}
	// Units for "m" values given near top of p. 104 are day fraction.
	fmt.Printf("rising:   %+.5f %02s\n", tRise/86400, sexa.FmtTime(tRise))
	fmt.Printf("transit:  %+.5f %02s\n", tTransit/86400, sexa.FmtTime(tTransit))
	fmt.Printf("seting:   %+.5f %02s\n", tSet/86400, sexa.FmtTime(tSet))
	// Output:
	// rising:   +0.51816  12ʰ26ᵐ09ˢ
	// transit:  +0.81965  19ʰ40ᵐ17ˢ
	// seting:   +0.12113  02ʰ54ᵐ26ˢ
}
开发者ID:soniakeys，项目名称:meeus，代码行数:30，代码来源:pp_test.go

示例5: ExamplePhysical

func ExamplePhysical() {
	// Example 42.a, p. 291
	e, err := pp.LoadPlanet(pp.Earth, "")
	if err != nil {
		fmt.Println(err)
		return
	}
	m, err := pp.LoadPlanet(pp.Mars, "")
	if err != nil {
		fmt.Println(err)
		return
	}
	DE, DS, ω, P, Q, d, k, q := mars.Physical(2448935.500683, e, m)
	fmt.Printf("DE = %+.2f\n", DE*180/math.Pi)
	fmt.Printf("DS = %+.2f\n", DS*180/math.Pi)
	fmt.Printf("ω = %.2f\n", ω*180/math.Pi)
	fmt.Printf("P = %.2f\n", P*180/math.Pi)
	fmt.Printf("Q = %.2f\n", Q*180/math.Pi)
	fmt.Printf("d = %.2f\n", d*180/math.Pi*60*60) // display as arc sec
	fmt.Printf("k = %.4f\n", k)
	fmt.Printf("q = %.2f\n", q*180/math.Pi*60*60) // display as arc sec
	// Output:
	// DE = +12.44
	// DS = -2.76
	// ω = 111.55
	// P = 347.64
	// Q = 279.91
	// d = 10.75
	// k = 0.9012
	// q = 1.06
}
开发者ID:pjh59，项目名称:meeus，代码行数:31，代码来源:mars_test.go

示例6: ExamplePlanet

func ExamplePlanet() {
	// Example 15.a, p. 103.
	p := globe.Coord{
		Lon: unit.NewAngle(' ', 71, 5, 0),
		Lat: unit.NewAngle(' ', 42, 20, 0),
	}
	e, err := pp.LoadPlanet(pp.Earth)
	if err != nil {
		fmt.Println(err)
		return
	}
	v, err := pp.LoadPlanet(pp.Venus)
	if err != nil {
		fmt.Println(err)
		return
	}
	tRise, tTransit, tSet, err := rise.Planet(1988, 3, 20, p, e, v)
	if err != nil {
		fmt.Println(err)
		return
	}
	fmt.Printf("rising:   %+.5f %02s\n", tRise/86400, sexa.FmtTime(tRise))
	fmt.Printf("transit:  %+.5f %02s\n", tTransit/86400, sexa.FmtTime(tTransit))
	fmt.Printf("seting:   %+.5f %02s\n", tSet/86400, sexa.FmtTime(tSet))
	// Output:
	// rising:   +0.51766  12ʰ25ᵐ26ˢ
	// transit:  +0.81980  19ʰ40ᵐ30ˢ
	// seting:   +0.12130  02ʰ54ᵐ40ˢ
}
开发者ID:soniakeys，项目名称:meeus，代码行数:29，代码来源:pp_test.go

示例7: ExamplePhysical

func ExamplePhysical() {
	// Example 43.a, p. 295
	e, err := pp.LoadPlanet(pp.Earth, "")
	if err != nil {
		fmt.Println(err)
		return
	}
	j, err := pp.LoadPlanet(pp.Jupiter, "")
	if err != nil {
		fmt.Println(err)
		return
	}
	DS, DE, ω1, ω2, P := jupiter.Physical(2448972.50068, e, j)
	fmt.Printf("DS = %+.2f\n", DS*180/math.Pi)
	fmt.Printf("DE = %+.2f\n", DE*180/math.Pi)
	fmt.Printf("ω1 = %.2f\n", ω1*180/math.Pi)
	fmt.Printf("ω2 = %.2f\n", ω2*180/math.Pi)
	fmt.Printf("P = %.2f\n", P*180/math.Pi)
	// Output:
	// DS = -2.20
	// DE = -2.48
	// ω1 = 268.06
	// ω2 = 72.74
	// P = 24.80
}
开发者ID:pjh59，项目名称:meeus，代码行数:25，代码来源:jupiter_test.go

示例8: ExampleTimes_computed

func ExampleTimes_computed() {
	// Example 15.a, p. 103, but using meeus packages to compute values
	// given in the text.
	jd := julian.CalendarGregorianToJD(1988, 3, 20)
	p := globe.Coord{
		Lon: unit.NewAngle(' ', 71, 5, 0),
		Lat: unit.NewAngle(' ', 42, 20, 0),
	}
	// Th0 computed rather than taken from the text.
	Th0 := sidereal.Apparent0UT(jd)

	// Venus α, δ computed rather than taken from the text.
	e, err := pp.LoadPlanet(pp.Earth)
	if err != nil {
		fmt.Println(err)
		return
	}
	v, err := pp.LoadPlanet(pp.Venus)
	if err != nil {
		fmt.Println(err)
		return
	}
	α := make([]unit.RA, 3)
	δ := make([]unit.Angle, 3)
	α[0], δ[0] = elliptic.Position(v, e, jd-1)
	α[1], δ[1] = elliptic.Position(v, e, jd)
	α[2], δ[2] = elliptic.Position(v, e, jd+1)
	for i, j := range []float64{jd - 1, jd, jd + 1} {
		_, m, d := julian.JDToCalendar(j)
		fmt.Printf("%s %.0f  α: %0.2s  δ: %0.1s\n",
			time.Month(m), d, sexa.FmtRA(α[i]), sexa.FmtAngle(δ[i]))
	}

	// ΔT computed rather than taken from the text.
	ΔT := deltat.Interp10A(jd)
	fmt.Printf("ΔT: %.1f\n", ΔT)

	h0 := rise.Stdh0Stellar
	tRise, tTransit, tSet, err := rise.Times(p, ΔT, h0, Th0, α, δ)
	if err != nil {
		fmt.Println(err)
		return
	}
	fmt.Printf("rising:   %+.5f %02s\n", tRise/86400, sexa.FmtTime(tRise))
	fmt.Printf("transit:  %+.5f %02s\n", tTransit/86400, sexa.FmtTime(tTransit))
	fmt.Printf("seting:   %+.5f %02s\n", tSet/86400, sexa.FmtTime(tSet))
	// Output:
	// March 19  α: 2ʰ42ᵐ43.25ˢ  δ: 18°02′51.4″
	// March 20  α: 2ʰ46ᵐ55.51ˢ  δ: 18°26′27.3″
	// March 21  α: 2ʰ51ᵐ07.69ˢ  δ: 18°49′38.7″
	// ΔT: 55.9
	// rising:   +0.51766  12ʰ25ᵐ26ˢ
	// transit:  +0.81980  19ʰ40ᵐ30ˢ
	// seting:   +0.12130  02ʰ54ᵐ40ˢ
}
开发者ID:soniakeys，项目名称:meeus，代码行数:55，代码来源:pp_test.go

示例9: TestEarth2

func TestEarth2(t *testing.T) {
	// p. 274
	v, err := pp.LoadPlanet(pp.Earth)
	if err != nil {
		t.Fatal(err)
	}
	for _, d := range ep {
		yf := float64(d.y) + (float64(d.m)-.5)/12
		u, r := pa.Perihelion2(pa.Earth, yf, .0004, v)
		y, m, df := julian.JDToCalendar(u)
		dd, f := math.Modf(df)
		if y != d.y || m != d.m || int(dd) != d.d ||
			math.Abs(f*24-d.h) > .01 ||
			math.Abs(r-d.r) > .000001 {
			t.Log(d)
			t.Fatal(y, m, int(dd), f*24, r)
		}
	}
	for _, d := range ea {
		yf := float64(d.y) + (float64(d.m)-.5)/12
		u, r := pa.Aphelion2(pa.Earth, yf, .0004, v)
		y, m, df := julian.JDToCalendar(u)
		dd, f := math.Modf(df)
		if y != d.y || m != d.m || int(dd) != d.d ||
			math.Abs(f*24-d.h) > .01 ||
			math.Abs(r-d.r) > .000001 {
			t.Log(d)
			t.Fatal(y, m, int(dd), f*24, r)
		}
	}
}
开发者ID:thecc4re，项目名称:meeus，代码行数:31，代码来源:pp_test.go

示例10: ExampleElements_Position

func ExampleElements_Position() {
	// Example 33.b, p. 232.
	earth, err := pp.LoadPlanet(pp.Earth)
	if err != nil {
		fmt.Println(err)
		return
	}
	k := &elliptic.Elements{
		TimeP: julian.CalendarGregorianToJD(1990, 10, 28.54502),
		Axis:  2.2091404,
		Ecc:   .8502196,
		Inc:   11.94524 * math.Pi / 180,
		Node:  334.75006 * math.Pi / 180,
		ArgP:  186.23352 * math.Pi / 180,
	}
	j := julian.CalendarGregorianToJD(1990, 10, 6)
	α, δ, ψ := k.Position(j, earth)
	fmt.Printf("α = %.1d\n", sexa.NewFmtRA(α))
	fmt.Printf("δ = %.0d\n", sexa.NewFmtAngle(δ))
	fmt.Printf("ψ = %.2f\n", ψ*180/math.Pi)
	// Output:
	// α = 10ʰ34ᵐ14ˢ.2
	// δ = 19°9′31″
	// ψ = 40.51
}
开发者ID:thecc4re，项目名称:meeus，代码行数:25，代码来源:pp_test.go

示例11: ExampleV87Planet_Position

func ExampleV87Planet_Position() {
	// Example 32.a, p. 219
	jd := julian.CalendarGregorianToJD(1992, 12, 20)
	p, err := pp.LoadPlanet(pp.Venus, "")
	if err != nil {
		fmt.Println(err)
		return
	}
	l, b, r := p.Position(jd)
	fmt.Printf("L = %s\n",
		base.DecSymAdd(fmt.Sprintf("%+.5f", l*180/math.Pi), '°'))
	fmt.Printf("B = %s\n",
		base.DecSymAdd(fmt.Sprintf("%+.5f", b*180/math.Pi), '°'))
	fmt.Printf("R = %.6f AU\n", r)
	// Meeus results:
	// L = +26°.11428
	// B = -2°.62070
	// R = 0.724603 AU
	// Answers below seem close enough.

	// Output:
	// L = +26°.11412
	// B = -2°.62060
	// R = 0.724602 AU
}
开发者ID:pjh59，项目名称:meeus，代码行数:25，代码来源:planetposition_test.go

示例12: TestUB

func TestUB(t *testing.T) {
	earth, err := pp.LoadPlanet(pp.Earth, "")
	if err != nil {
		fmt.Println(err)
		return
	}
	saturn, err := pp.LoadPlanet(pp.Saturn, "")
	if err != nil {
		fmt.Println(err)
		return
	}
	B, _, ΔU, _, _, _ := saturnring.Ring(2448972.50068, earth, saturn)
	ubΔU, ubB := saturnring.UB(2448972.50068, earth, saturn)
	if ubΔU != ΔU || ubB != B {
		t.Fatal()
	}
}
开发者ID:pjh59，项目名称:meeus，代码行数:17，代码来源:saturnring_test.go

示例13: ExampleApproxTimes_computed

func ExampleApproxTimes_computed() {
	// Example 15.a, p. 103, but using meeus packages to compute values
	// given in the text.
	jd := julian.CalendarGregorianToJD(1988, 3, 20)
	p := globe.Coord{
		Lon: unit.NewAngle(' ', 71, 5, 0),
		Lat: unit.NewAngle(' ', 42, 20, 0),
	}

	// Th0 computed rather than taken from the text.
	Th0 := sidereal.Apparent0UT(jd)
	fmt.Printf("Th0: %.2s\n", sexa.FmtTime(Th0))

	// Venus α, δ computed rather than taken from the text.
	e, err := pp.LoadPlanet(pp.Earth)
	if err != nil {
		fmt.Println(err)
		return
	}
	v, err := pp.LoadPlanet(pp.Venus)
	if err != nil {
		fmt.Println(err)
		return
	}
	α, δ := elliptic.Position(v, e, jd)
	fmt.Printf("α: %.2s\n", sexa.FmtRA(α))
	fmt.Printf("δ: %.1s\n", sexa.FmtAngle(δ))

	h0 := rise.Stdh0Stellar
	tRise, tTransit, tSet, err := rise.ApproxTimes(p, h0, Th0, α, δ)
	if err != nil {
		fmt.Println(err)
		return
	}
	fmt.Printf("rising:   %+.5f %02s\n", tRise/86400, sexa.FmtTime(tRise))
	fmt.Printf("transit:  %+.5f %02s\n", tTransit/86400, sexa.FmtTime(tTransit))
	fmt.Printf("seting:   %+.5f %02s\n", tSet/86400, sexa.FmtTime(tSet))
	// Output:
	// Th0: 11ʰ50ᵐ58.09ˢ
	// α: 2ʰ46ᵐ55.51ˢ
	// δ: 18°26′27.3″
	// rising:   +0.51816  12ʰ26ᵐ09ˢ
	// transit:  +0.81965  19ʰ40ᵐ17ˢ
	// seting:   +0.12113  02ʰ54ᵐ26ˢ
}
开发者ID:soniakeys，项目名称:meeus，代码行数:45，代码来源:pp_test.go

示例14: ExamplePosition

func ExamplePosition() {
	// Example 33.a, p. 225.  VSOP87 result p. 227.
	earth, err := pp.LoadPlanet(pp.Earth)
	if err != nil {
		fmt.Println(err)
		return
	}
	venus, err := pp.LoadPlanet(pp.Venus)
	if err != nil {
		fmt.Println(err)
		return
	}
	α, δ := elliptic.Position(venus, earth, 2448976.5)
	fmt.Printf("α = %.3d\n", sexa.NewFmtRA(α))
	fmt.Printf("δ = %.2d\n", sexa.NewFmtAngle(δ))
	// Output:
	// α = 21ʰ4ᵐ41ˢ.454
	// δ = -18°53′16″.84
}
开发者ID:thecc4re，项目名称:meeus，代码行数:19，代码来源:pp_test.go

示例15: ExampleE5

func ExampleE5() {
	e, err := pp.LoadPlanet(pp.Earth)
	if err != nil {
		fmt.Println(err)
		return
	}
	j, err := pp.LoadPlanet(pp.Jupiter)
	if err != nil {
		fmt.Println(err)
		return
	}
	var pos [4]jupitermoons.XY
	jupitermoons.E5(2448972.50068, e, j, &pos)
	fmt.Printf("X  %+.4f  %+.4f  %+.4f  %+.4f\n",
		pos[0].X, pos[1].X, pos[2].X, pos[3].X)
	fmt.Printf("Y  %+.4f  %+.4f  %+.4f  %+.4f\n",
		pos[0].Y, pos[1].Y, pos[2].Y, pos[3].Y)
	// Output:
	// X  -3.4503  +7.4418  +1.2010  +7.0720
	// Y  +0.2093  +0.2500  +0.6480  +1.0956
}
开发者ID:thecc4re，项目名称:meeus，代码行数:21，代码来源:pp_test.go


注：本文中的github.com/soniakeys/meeus/planetposition.LoadPlanet函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。