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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/mars_events.go
+27 -27
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@@ -77,15 +77,15 @@ func marsConjunctionFull(jde, degree float64, next uint8) float64 {
} else {
jde += daysPerDegree * currentDelta
}
estimateJD := jde
estimateJDE := jde
converged := false
for i := 0; i < eventNewtonMaxIterations; i++ {
prevJD := estimateJD
longitudeDelta := marsSunLongitudeDelta(prevJD, degree, true)
longitudeSlope := (marsSunLongitudeDelta(prevJD+0.000005, degree, true) - marsSunLongitudeDelta(prevJD-0.000005, degree, true)) / 0.00001
nextJD := prevJD - longitudeDelta/longitudeSlope
estimateJD = nextJD
if math.Abs(nextJD-prevJD) <= 0.00001 {
prevJDE := estimateJDE
longitudeDelta := marsSunLongitudeDelta(prevJDE, degree, true)
longitudeSlope := (marsSunLongitudeDelta(prevJDE+0.000005, degree, true) - marsSunLongitudeDelta(prevJDE-0.000005, degree, true)) / 0.00001
nextJD := prevJDE - longitudeDelta/longitudeSlope
estimateJDE = nextJD
if math.Abs(nextJD-prevJDE) <= 0.00001 {
converged = true
break
}
@@ -93,7 +93,7 @@ func marsConjunctionFull(jde, degree float64, next uint8) float64 {
if !converged {
return math.NaN()
}
return TD2UT(estimateJD, false)
return TT2UTC(estimateJDE)
}
func marsConjunction(jde, degree float64, next uint8) float64 {
@@ -108,15 +108,15 @@ func marsConjunction(jde, degree float64, next uint8) float64 {
} else {
jde += daysPerDegree * currentDelta
}
estimateJD := jde
estimateJDE := jde
converged := false
for i := 0; i < eventNewtonMaxIterations; i++ {
prevJD := estimateJD
longitudeDelta := marsSunLongitudeDeltaN(prevJD, degree, true, marsEventSearchN)
longitudeSlope := (marsSunLongitudeDeltaN(prevJD+0.000005, degree, true, marsEventSearchN) - marsSunLongitudeDeltaN(prevJD-0.000005, degree, true, marsEventSearchN)) / 0.00001
nextJD := prevJD - longitudeDelta/longitudeSlope
estimateJD = nextJD
if math.Abs(nextJD-prevJD) <= marsPhaseCoarseTolerance {
prevJDE := estimateJDE
longitudeDelta := marsSunLongitudeDeltaN(prevJDE, degree, true, marsEventSearchN)
longitudeSlope := (marsSunLongitudeDeltaN(prevJDE+0.000005, degree, true, marsEventSearchN) - marsSunLongitudeDeltaN(prevJDE-0.000005, degree, true, marsEventSearchN)) / 0.00001
nextJD := prevJDE - longitudeDelta/longitudeSlope
estimateJDE = nextJD
if math.Abs(nextJD-prevJDE) <= marsPhaseCoarseTolerance {
converged = true
break
}
@@ -126,12 +126,12 @@ func marsConjunction(jde, degree float64, next uint8) float64 {
}
converged = false
for i := 0; i < eventNewtonMaxIterations; i++ {
prevJD := estimateJD
longitudeDelta := marsSunLongitudeDelta(prevJD, degree, true)
longitudeSlope := (marsSunLongitudeDelta(prevJD+0.000005, degree, true) - marsSunLongitudeDelta(prevJD-0.000005, degree, true)) / 0.00001
nextJD := prevJD - longitudeDelta/longitudeSlope
estimateJD = nextJD
if math.Abs(nextJD-prevJD) <= 0.00001 {
prevJDE := estimateJDE
longitudeDelta := marsSunLongitudeDelta(prevJDE, degree, true)
longitudeSlope := (marsSunLongitudeDelta(prevJDE+0.000005, degree, true) - marsSunLongitudeDelta(prevJDE-0.000005, degree, true)) / 0.00001
nextJD := prevJDE - longitudeDelta/longitudeSlope
estimateJDE = nextJD
if math.Abs(nextJD-prevJDE) <= 0.00001 {
converged = true
break
}
@@ -139,7 +139,7 @@ func marsConjunction(jde, degree float64, next uint8) float64 {
if !converged {
return math.NaN()
}
return TD2UT(estimateJD, false)
return TT2UTC(estimateJDE)
}
func LastMarsConjunction(jde float64) float64 {
@@ -178,22 +178,22 @@ func marsRetrogradeAroundOpposition(oppositionJD float64, searchBeforeOpposition
if !isFiniteFloat(oppositionJD) {
return math.NaN()
}
oppositionTT := TD2UT(oppositionJD, true)
oppositionTT := UTC2TT(oppositionJD)
startTT := oppositionTT
endTT := oppositionTT
if searchBeforeOpposition {
easternQuadratureUT := marsConjunction(oppositionTT, 90, 0)
startTT = TD2UT(easternQuadratureUT, true)
startTT = UTC2TT(easternQuadratureUT)
} else {
westernQuadratureUT := marsConjunction(oppositionTT, 270, 1)
endTT = TD2UT(westernQuadratureUT, true)
endTT = UTC2TT(westernQuadratureUT)
}
bestJD := zeroEventInWindow(startTT, endTT, marsStationCoarseStepDay, marsStationHalfWindowDay, 30.0/86400.0, func(jd float64) float64 {
bestJDE := zeroEventInWindow(startTT, endTT, marsStationCoarseStepDay, marsStationHalfWindowDay, 30.0/86400.0, func(jd float64) float64 {
return marsRADerivativeN(jd, marsStationDerivativeStepDay, marsEventSearchN)
}, func(jd float64) float64 {
return marsRADerivative(jd, marsStationDerivativeStepDay)
})
return TD2UT(bestJD, false)
return TT2UTC(bestJDE)
}
func NextMarsRetrogradeToPrograde(jde float64) float64 {