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feat: 新增月掩与日月食地理绘图并提升观测计算精度

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- 新增月掩恒星和行星：支持搜索、掩甚点、全球掩带及固定地点轨迹计算
- 支持恒星星表坐标转换、有限盘面行星接触事件和月掩 SVG 输出
- 新增日月食及月掩全球投影图、时间标记和 GeoJSON 地理数据接口
- 扩展日食中心线、南北界及偏食足迹采样，支持极区投影
- 修正站心时角、月出月落、月球视半径、折射和恒星自行计算
- 优化内外行星事件搜索、边界选择、极端输入处理和计算稳定性
This commit is contained in:
兔子
2026-08-06 12:00:56 +08:00
parent 25dc7ac0bc
commit 9ee2163cc7
137 changed files with 21770 additions and 1746 deletions
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basic/moon_phase.go
+24 -24
View File
@@ -38,14 +38,14 @@ func SunMoonSeek(jde float64, degree float64) float64 {
func CalcMoonSHByJDE(jde float64, phaseType int) float64 {
phaseType = phaseType * 180
estimateJD := jde
for {
prevJD := estimateJD
var ok bool
estimateJD, ok = eventNewtonRefine(estimateJD, 0.00001, func(prevJD float64) float64 {
stDegree := SunMoonSeek(prevJD, float64(phaseType))
stDegreep := (SunMoonSeek(prevJD+0.000005, float64(phaseType)) - SunMoonSeek(prevJD-0.000005, float64(phaseType))) / 0.00001
estimateJD = prevJD - stDegree/stDegreep
if math.Abs(estimateJD-prevJD) <= 0.00001 {
break
}
return stDegree / stDegreep
})
if !ok {
return math.NaN()
}
return estimateJD
}
@@ -54,14 +54,14 @@ func CalcMoonSH(year float64, phaseType int) float64 {
jde := CalcMoonS(year, phaseType)
phaseType = phaseType * 180
estimateJD := jde
for {
prevJD := estimateJD
var ok bool
estimateJD, ok = eventNewtonRefine(estimateJD, 0.00001, func(prevJD float64) float64 {
stDegree := SunMoonSeek(prevJD, float64(phaseType))
stDegreep := (SunMoonSeek(prevJD+0.000005, float64(phaseType)) - SunMoonSeek(prevJD-0.000005, float64(phaseType))) / 0.00001
estimateJD = prevJD - stDegree/stDegreep
if math.Abs(estimateJD-prevJD) <= 0.00001 {
break
}
return stDegree / stDegreep
})
if !ok {
return math.NaN()
}
return estimateJD
}
@@ -125,14 +125,14 @@ func CalcMoonXHByJDE(jde float64, quarterType int) float64 {
quarterType = -90
}
estimateJD := jde
for {
prevJD := estimateJD
var ok bool
estimateJD, ok = eventNewtonRefine(estimateJD, 0.00001, func(prevJD float64) float64 {
stDegree := SunMoonSeek(prevJD, float64(quarterType))
stDegreep := (SunMoonSeek(prevJD+0.000005, float64(quarterType)) - SunMoonSeek(prevJD-0.000005, float64(quarterType))) / 0.00001
estimateJD = prevJD - stDegree/stDegreep
if math.Abs(estimateJD-prevJD) <= 0.00001 {
break
}
return stDegree / stDegreep
})
if !ok {
return math.NaN()
}
return estimateJD
}
@@ -145,14 +145,14 @@ func CalcMoonXH(year float64, quarterType int) float64 {
quarterType = -90
}
estimateJD := jde
for {
prevJD := estimateJD
var ok bool
estimateJD, ok = eventNewtonRefine(estimateJD, 0.00001, func(prevJD float64) float64 {
stDegree := SunMoonSeek(prevJD, float64(quarterType))
stDegreep := (SunMoonSeek(prevJD+0.000005, float64(quarterType)) - SunMoonSeek(prevJD-0.000005, float64(quarterType))) / 0.00001
estimateJD = prevJD - stDegree/stDegreep
if math.Abs(estimateJD-prevJD) <= 0.00001 {
break
}
return stDegree / stDegreep
})
if !ok {
return math.NaN()
}
return estimateJD
}