feat: 完善时标与天象几何计算并扩展输出接口

- 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:
2026-09-23 18:55:12 +08:00
parent 1f31a9b5b5
commit 16c62a97d5
503 changed files with 33290 additions and 9471 deletions
+63 -63
View File
@@ -7,79 +7,79 @@ import (
. "b612.me/astro/tools"
)
func UranusL(jd float64) float64 {
return planet.WherePlanet(6, 0, jd)
func UranusL(jde float64) float64 {
return planet.WherePlanet(6, 0, jde)
}
func UranusB(jd float64) float64 {
return planet.WherePlanet(6, 1, jd)
func UranusB(jde float64) float64 {
return planet.WherePlanet(6, 1, jde)
}
func UranusR(jd float64) float64 {
return planet.WherePlanet(6, 2, jd)
func UranusR(jde float64) float64 {
return planet.WherePlanet(6, 2, jde)
}
func AUranusX(jd float64) float64 {
l := UranusL(jd)
b := UranusB(jd)
r := UranusR(jd)
el := planet.WherePlanet(-1, 0, jd)
eb := planet.WherePlanet(-1, 1, jd)
er := planet.WherePlanet(-1, 2, jd)
func AUranusX(jde float64) float64 {
l := UranusL(jde)
b := UranusB(jde)
r := UranusR(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 AUranusY(jd float64) float64 {
func AUranusY(jde float64) float64 {
l := UranusL(jd)
b := UranusB(jd)
r := UranusR(jd)
el := planet.WherePlanet(-1, 0, jd)
eb := planet.WherePlanet(-1, 1, jd)
er := planet.WherePlanet(-1, 2, jd)
l := UranusL(jde)
b := UranusB(jde)
r := UranusR(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 AUranusZ(jd float64) float64 {
//l := UranusL(jd)
b := UranusB(jd)
r := UranusR(jd)
// el := planet.WherePlanet(-1, 0, jd)
eb := planet.WherePlanet(-1, 1, jd)
er := planet.WherePlanet(-1, 2, jd)
func AUranusZ(jde float64) float64 {
//l := UranusL(jde)
b := UranusB(jde)
r := UranusR(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 AUranusXYZ(jd float64) (float64, float64, float64) {
l := UranusL(jd)
b := UranusB(jd)
r := UranusR(jd)
el := planet.WherePlanet(-1, 0, jd)
eb := planet.WherePlanet(-1, 1, jd)
er := planet.WherePlanet(-1, 2, jd)
func AUranusXYZ(jde float64) (float64, float64, float64) {
l := UranusL(jde)
b := UranusB(jde)
r := UranusR(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 UranusApparentRa(jd float64) float64 {
lo, bo := UranusApparentLoBo(jd)
eps := TrueObliquity(jd)
func UranusApparentRa(jde float64) float64 {
lo, bo := UranusApparentLoBo(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 UranusApparentDec(jd float64) float64 {
lo, bo := UranusApparentLoBo(jd)
eps := TrueObliquity(jd)
func UranusApparentDec(jde float64) float64 {
lo, bo := UranusApparentLoBo(jde)
eps := TrueObliquity(jde)
dec := ArcSin(Sin(bo)*Cos(eps) + Cos(bo)*Sin(eps)*Sin(lo))
return dec
}
func UranusApparentRaDec(jd float64) (float64, float64) {
lo, bo := UranusApparentLoBo(jd)
eps := TrueObliquity(jd)
func UranusApparentRaDec(jde float64) (float64, float64) {
lo, bo := UranusApparentLoBo(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 UranusApparentLoBo(jd float64) (float64, float64) {
return geo.lo, geo.bo
}
func UranusMag(jd float64) float64 {
sunDistance := UranusR(jd)
earthDistance := EarthUranusAway(jd)
earthSunDistance := planet.WherePlanet(-1, 2, jd)
func UranusMag(jde float64) float64 {
sunDistance := UranusR(jde)
earthDistance := EarthUranusAway(jde)
earthSunDistance := planet.WherePlanet(-1, 2, jde)
i := (sunDistance*sunDistance + earthDistance*earthDistance - earthSunDistance*earthSunDistance) / (2 * sunDistance * earthDistance)
i = ArcCos(i)
mag := -7.19 + 5*math.Log10(sunDistance*earthDistance) + 0.016*i
return FloatRound(mag, 2)
}
func UranusHeight(jde, lon, lat, timezone float64) float64 {
func UranusHeight(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 := UranusApparentRaDec(TD2UT(utcJde, true))
st := Limit360(ApparentSiderealTime(utcJde)*15 + lon)
ra, dec := UranusApparentRaDec(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 UranusHeight(jde, lon, lat, timezone float64) float64 {
return ArcSin(sinHeight)
}
func UranusAzimuth(jde, lon, lat, timezone float64) float64 {
func UranusAzimuth(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 := UranusApparentRaDec(TD2UT(utcJde, true))
st := Limit360(ApparentSiderealTime(utcJde)*15 + lon)
ra, dec := UranusApparentRaDec(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 UranusAzimuth(jde, lon, lat, timezone float64) float64 {
}
func UranusHourAngle(jd, lon, timezone float64) float64 {
siderealLongitude := Limit360(ApparentSiderealTime(jd-timezone/24)*15 + lon)
hourAngle := siderealLongitude - UranusApparentRa(TD2UT(jd-timezone/24.0, true))
siderealLongitude := Limit360(ApparentSiderealTime(UTC2UT1(jd-timezone/24))*15 + lon)
hourAngle := siderealLongitude - UranusApparentRa(UTC2TT(jd-timezone/24.0))
if hourAngle < 0 {
hourAngle += 360
}
return hourAngle
}
func UranusCulminationTime(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 UranusCulminationTime(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-UranusHourAngle(jde, lon, timezone))/15.0/24.0*0.99726851851851851851
normalizedHourAngle := func(jde, lon, timezone float64) float64 {
currentHourAngle := UranusHourAngle(jde, lon, timezone)
localJD = math.Floor(localJD) + 0.5
estimateJD := localJD + Limit360(360-UranusHourAngle(localJD, lon, timezone))/15.0/24.0*0.99726851851851851851
normalizedHourAngle := func(localJD, lon, timezone float64) float64 {
currentHourAngle := UranusHourAngle(localJD, lon, timezone)
if currentHourAngle < 180 {
currentHourAngle += 360
}