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feat: 完善时标与天象几何计算并扩展输出接口

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- 新增时标、ΔT 模型、质心时间与 UT1 支持
- 改进日月食、月掩、行星事件及路径边界计算
- 完善恒星三维自行与动态距离传播
- 扩展 SVG、GeoJSON、KML 输出与底层距离换算工具
- 整理中英文手册、示例资源及回归测试
This commit is contained in:
兔子
2026-09-23 18:55:12 +08:00
parent 1f31a9b5b5
commit 16c62a97d5
503 changed files with 33290 additions and 9471 deletions
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basic/jupiter.go
+63 -63
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@@ -7,79 +7,79 @@ import (
. "b612.me/astro/tools"
)
func JupiterL(jd float64) float64 {
return planet.WherePlanet(4, 0, jd)
func JupiterL(jde float64) float64 {
return planet.WherePlanet(4, 0, jde)
}
func JupiterB(jd float64) float64 {
return planet.WherePlanet(4, 1, jd)
func JupiterB(jde float64) float64 {
return planet.WherePlanet(4, 1, jde)
}
func JupiterR(jd float64) float64 {
return planet.WherePlanet(4, 2, jd)
func JupiterR(jde float64) float64 {
return planet.WherePlanet(4, 2, jde)
}
func AJupiterX(jd float64) float64 {
l := JupiterL(jd)
b := JupiterB(jd)
r := JupiterR(jd)
el := planet.WherePlanet(-1, 0, jd)
eb := planet.WherePlanet(-1, 1, jd)
er := planet.WherePlanet(-1, 2, jd)
func AJupiterX(jde float64) float64 {
l := JupiterL(jde)
b := JupiterB(jde)
r := JupiterR(jde)
el := planet.WherePlanet(-1, 0, jde)
eb := planet.WherePlanet(-1, 1, jde)
er := planet.WherePlanet(-1, 2, jde)
x := r*Cos(b)*Cos(l) - er*Cos(eb)*Cos(el)
return x
}
func AJupiterY(jd float64) float64 {
func AJupiterY(jde float64) float64 {
l := JupiterL(jd)
b := JupiterB(jd)
r := JupiterR(jd)
el := planet.WherePlanet(-1, 0, jd)
eb := planet.WherePlanet(-1, 1, jd)
er := planet.WherePlanet(-1, 2, jd)
l := JupiterL(jde)
b := JupiterB(jde)
r := JupiterR(jde)
el := planet.WherePlanet(-1, 0, jde)
eb := planet.WherePlanet(-1, 1, jde)
er := planet.WherePlanet(-1, 2, jde)
y := r*Cos(b)*Sin(l) - er*Cos(eb)*Sin(el)
return y
}
func AJupiterZ(jd float64) float64 {
//l := JupiterL(jd)
b := JupiterB(jd)
r := JupiterR(jd)
// el := planet.WherePlanet(-1, 0, jd)
eb := planet.WherePlanet(-1, 1, jd)
er := planet.WherePlanet(-1, 2, jd)
func AJupiterZ(jde float64) float64 {
//l := JupiterL(jde)
b := JupiterB(jde)
r := JupiterR(jde)
// el := planet.WherePlanet(-1, 0, jde)
eb := planet.WherePlanet(-1, 1, jde)
er := planet.WherePlanet(-1, 2, jde)
z := r*Sin(b) - er*Sin(eb)
return z
}
func AJupiterXYZ(jd float64) (float64, float64, float64) {
l := JupiterL(jd)
b := JupiterB(jd)
r := JupiterR(jd)
el := planet.WherePlanet(-1, 0, jd)
eb := planet.WherePlanet(-1, 1, jd)
er := planet.WherePlanet(-1, 2, jd)
func AJupiterXYZ(jde float64) (float64, float64, float64) {
l := JupiterL(jde)
b := JupiterB(jde)
r := JupiterR(jde)
el := planet.WherePlanet(-1, 0, jde)
eb := planet.WherePlanet(-1, 1, jde)
er := planet.WherePlanet(-1, 2, jde)
x := r*Cos(b)*Cos(l) - er*Cos(eb)*Cos(el)
y := r*Cos(b)*Sin(l) - er*Cos(eb)*Sin(el)
z := r*Sin(b) - er*Sin(eb)
return x, y, z
}
func JupiterApparentRa(jd float64) float64 {
lo, bo := JupiterApparentLoBo(jd)
eps := TrueObliquity(jd)
func JupiterApparentRa(jde float64) float64 {
lo, bo := JupiterApparentLoBo(jde)
eps := TrueObliquity(jde)
ra := math.Atan2((Sin(lo)*Cos(eps) - Tan(bo)*Sin(eps)), Cos(lo))
ra = ra * 180 / math.Pi
return Limit360(ra)
}
func JupiterApparentDec(jd float64) float64 {
lo, bo := JupiterApparentLoBo(jd)
eps := TrueObliquity(jd)
func JupiterApparentDec(jde float64) float64 {
lo, bo := JupiterApparentLoBo(jde)
eps := TrueObliquity(jde)
dec := ArcSin(Sin(bo)*Cos(eps) + Cos(bo)*Sin(eps)*Sin(lo))
return dec
}
func JupiterApparentRaDec(jd float64) (float64, float64) {
lo, bo := JupiterApparentLoBo(jd)
eps := TrueObliquity(jd)
func JupiterApparentRaDec(jde float64) (float64, float64) {
lo, bo := JupiterApparentLoBo(jde)
eps := TrueObliquity(jde)
ra := math.Atan2((Sin(lo)*Cos(eps) - Tan(bo)*Sin(eps)), Cos(lo))
ra = ra * 180 / math.Pi
dec := ArcSin(Sin(bo)*Cos(eps) + Cos(bo)*Sin(eps)*Sin(lo))
@@ -105,22 +105,22 @@ func JupiterApparentLoBo(jd float64) (float64, float64) {
return geo.lo, geo.bo
}
func JupiterMag(jd float64) float64 {
sunDistance := JupiterR(jd)
earthDistance := EarthJupiterAway(jd)
earthSunDistance := planet.WherePlanet(-1, 2, jd)
func JupiterMag(jde float64) float64 {
sunDistance := JupiterR(jde)
earthDistance := EarthJupiterAway(jde)
earthSunDistance := planet.WherePlanet(-1, 2, jde)
i := (sunDistance*sunDistance + earthDistance*earthDistance - earthSunDistance*earthSunDistance) / (2 * sunDistance * earthDistance)
i = ArcCos(i)
mag := -9.40 + 5*math.Log10(sunDistance*earthDistance) + 0.0005*i
return FloatRound(mag, 2)
}
func JupiterHeight(jde, lon, lat, timezone float64) float64 {
func JupiterHeight(localJD, lon, lat, timezone float64) float64 {
// 转换为世界时
utcJde := jde - timezone/24.0
utcJD := localJD - timezone/24.0
// 计算视恒星时
ra, dec := JupiterApparentRaDec(TD2UT(utcJde, true))
st := Limit360(ApparentSiderealTime(utcJde)*15 + lon)
ra, dec := JupiterApparentRaDec(UTC2TT(utcJD))
st := Limit360(ApparentSiderealTime(UTC2UT1(utcJD))*15 + lon)
// 计算时角
hourAngle := Limit360(st - ra)
// 高度角、时角与天球座标三角转换公式
@@ -129,12 +129,12 @@ func JupiterHeight(jde, lon, lat, timezone float64) float64 {
return ArcSin(sinHeight)
}
func JupiterAzimuth(jde, lon, lat, timezone float64) float64 {
func JupiterAzimuth(localJD, lon, lat, timezone float64) float64 {
// 转换为世界时
utcJde := jde - timezone/24.0
utcJD := localJD - timezone/24.0
// 计算视恒星时
ra, dec := JupiterApparentRaDec(TD2UT(utcJde, true))
st := Limit360(ApparentSiderealTime(utcJde)*15 + lon)
ra, dec := JupiterApparentRaDec(UTC2TT(utcJD))
st := Limit360(ApparentSiderealTime(UTC2UT1(utcJD))*15 + lon)
// 计算时角
hourAngle := Limit360(st - ra)
// 三角转换公式
@@ -153,21 +153,21 @@ func JupiterAzimuth(jde, lon, lat, timezone float64) float64 {
}
func JupiterHourAngle(jd, lon, timezone float64) float64 {
siderealLongitude := Limit360(ApparentSiderealTime(jd-timezone/24)*15 + lon)
hourAngle := siderealLongitude - JupiterApparentRa(TD2UT(jd-timezone/24.0, true))
siderealLongitude := Limit360(ApparentSiderealTime(UTC2UT1(jd-timezone/24))*15 + lon)
hourAngle := siderealLongitude - JupiterApparentRa(UTC2TT(jd-timezone/24.0))
if hourAngle < 0 {
hourAngle += 360
}
return hourAngle
}
func JupiterCulminationTime(jde, lon, timezone float64) float64 {
//jde 世界时，非力学时，当地时区 0时，无需转换力学时
func JupiterCulminationTime(localJD, lon, timezone float64) float64 {
// localJD 是本地民用日锚点（当地 0 时），不是力学时。
//ra,dec 瞬时天球座标，非J2000等时间天球坐标
jde = math.Floor(jde) + 0.5
estimateJD := jde + Limit360(360-JupiterHourAngle(jde, lon, timezone))/15.0/24.0*0.99726851851851851851
normalizedHourAngle := func(jde, lon, timezone float64) float64 {
currentHourAngle := JupiterHourAngle(jde, lon, timezone)
localJD = math.Floor(localJD) + 0.5
estimateJD := localJD + Limit360(360-JupiterHourAngle(localJD, lon, timezone))/15.0/24.0*0.99726851851851851851
normalizedHourAngle := func(localJD, lon, timezone float64) float64 {
currentHourAngle := JupiterHourAngle(localJD, lon, timezone)
if currentHourAngle < 180 {
currentHourAngle += 360
}