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
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+49
-49
@@ -8,8 +8,8 @@ import (
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type planetRaDecNFunc func(jd float64, n int) (float64, float64)
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// MercuryPhaseAngle 水星相位角 / phase angle of Mercury.
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func MercuryPhaseAngle(jd float64) float64 {
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return MercuryPhaseAngleN(jd, -1)
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func MercuryPhaseAngle(jde float64) float64 {
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return MercuryPhaseAngleN(jde, -1)
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}
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// MercuryPhaseAngleN 水星相位角（截断版） / truncated phase angle of Mercury.
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@@ -28,18 +28,18 @@ func MercuryIlluminatedFractionN(jd float64, n int) float64 {
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}
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// MercuryBrightLimbPositionAngle 水星亮面中心位置角 / position angle of Mercury bright limb.
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func MercuryBrightLimbPositionAngle(jd float64) float64 {
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return MercuryBrightLimbPositionAngleN(jd, -1)
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func MercuryBrightLimbPositionAngle(jde float64) float64 {
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return MercuryBrightLimbPositionAngleN(jde, -1)
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}
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// MercuryBrightLimbPositionAngleN 水星亮面中心位置角（截断版） / truncated position angle of Mercury bright limb.
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func MercuryBrightLimbPositionAngleN(jd float64, n int) float64 {
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return planetBrightLimbPositionAngleN(jd, n, MercuryApparentRaDecN)
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func MercuryBrightLimbPositionAngleN(jde float64, n int) float64 {
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return planetBrightLimbPositionAngleN(jde, n, MercuryApparentRaDecN)
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}
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// VenusPhaseAngle 金星相位角 / phase angle of Venus.
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func VenusPhaseAngle(jd float64) float64 {
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return VenusPhaseAngleN(jd, -1)
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func VenusPhaseAngle(jde float64) float64 {
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return VenusPhaseAngleN(jde, -1)
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}
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// VenusPhaseAngleN 金星相位角（截断版） / truncated phase angle of Venus.
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@@ -58,18 +58,18 @@ func VenusIlluminatedFractionN(jd float64, n int) float64 {
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}
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// VenusBrightLimbPositionAngle 金星亮面中心位置角 / position angle of Venus bright limb.
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func VenusBrightLimbPositionAngle(jd float64) float64 {
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return VenusBrightLimbPositionAngleN(jd, -1)
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func VenusBrightLimbPositionAngle(jde float64) float64 {
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return VenusBrightLimbPositionAngleN(jde, -1)
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}
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// VenusBrightLimbPositionAngleN 金星亮面中心位置角（截断版） / truncated position angle of Venus bright limb.
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func VenusBrightLimbPositionAngleN(jd float64, n int) float64 {
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return planetBrightLimbPositionAngleN(jd, n, VenusApparentRaDecN)
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func VenusBrightLimbPositionAngleN(jde float64, n int) float64 {
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return planetBrightLimbPositionAngleN(jde, n, VenusApparentRaDecN)
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}
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// MarsPhaseAngle 火星相位角 / phase angle of Mars.
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func MarsPhaseAngle(jd float64) float64 {
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return MarsPhaseAngleN(jd, -1)
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func MarsPhaseAngle(jde float64) float64 {
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return MarsPhaseAngleN(jde, -1)
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}
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// MarsPhaseAngleN 火星相位角（截断版） / truncated phase angle of Mars.
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@@ -88,18 +88,18 @@ func MarsIlluminatedFractionN(jd float64, n int) float64 {
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}
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// MarsBrightLimbPositionAngle 火星亮面中心位置角 / position angle of Mars bright limb.
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func MarsBrightLimbPositionAngle(jd float64) float64 {
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return MarsBrightLimbPositionAngleN(jd, -1)
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func MarsBrightLimbPositionAngle(jde float64) float64 {
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return MarsBrightLimbPositionAngleN(jde, -1)
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}
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// MarsBrightLimbPositionAngleN 火星亮面中心位置角（截断版） / truncated position angle of Mars bright limb.
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func MarsBrightLimbPositionAngleN(jd float64, n int) float64 {
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return planetBrightLimbPositionAngleN(jd, n, MarsApparentRaDecN)
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func MarsBrightLimbPositionAngleN(jde float64, n int) float64 {
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return planetBrightLimbPositionAngleN(jde, n, MarsApparentRaDecN)
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}
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// JupiterPhaseAngle 木星相位角 / phase angle of Jupiter.
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func JupiterPhaseAngle(jd float64) float64 {
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return JupiterPhaseAngleN(jd, -1)
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func JupiterPhaseAngle(jde float64) float64 {
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return JupiterPhaseAngleN(jde, -1)
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}
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// JupiterPhaseAngleN 木星相位角（截断版） / truncated phase angle of Jupiter.
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@@ -118,18 +118,18 @@ func JupiterIlluminatedFractionN(jd float64, n int) float64 {
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}
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// JupiterBrightLimbPositionAngle 木星亮面中心位置角 / position angle of Jupiter bright limb.
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func JupiterBrightLimbPositionAngle(jd float64) float64 {
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return JupiterBrightLimbPositionAngleN(jd, -1)
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func JupiterBrightLimbPositionAngle(jde float64) float64 {
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return JupiterBrightLimbPositionAngleN(jde, -1)
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}
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// JupiterBrightLimbPositionAngleN 木星亮面中心位置角（截断版） / truncated position angle of Jupiter bright limb.
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func JupiterBrightLimbPositionAngleN(jd float64, n int) float64 {
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return planetBrightLimbPositionAngleN(jd, n, JupiterApparentRaDecN)
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func JupiterBrightLimbPositionAngleN(jde float64, n int) float64 {
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return planetBrightLimbPositionAngleN(jde, n, JupiterApparentRaDecN)
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}
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// SaturnPhaseAngle 土星相位角 / phase angle of Saturn.
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func SaturnPhaseAngle(jd float64) float64 {
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return SaturnPhaseAngleN(jd, -1)
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func SaturnPhaseAngle(jde float64) float64 {
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return SaturnPhaseAngleN(jde, -1)
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}
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// SaturnPhaseAngleN 土星相位角（截断版） / truncated phase angle of Saturn.
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@@ -148,18 +148,18 @@ func SaturnIlluminatedFractionN(jd float64, n int) float64 {
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}
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// SaturnBrightLimbPositionAngle 土星亮面中心位置角 / position angle of Saturn bright limb.
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func SaturnBrightLimbPositionAngle(jd float64) float64 {
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return SaturnBrightLimbPositionAngleN(jd, -1)
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func SaturnBrightLimbPositionAngle(jde float64) float64 {
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return SaturnBrightLimbPositionAngleN(jde, -1)
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}
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// SaturnBrightLimbPositionAngleN 土星亮面中心位置角（截断版） / truncated position angle of Saturn bright limb.
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func SaturnBrightLimbPositionAngleN(jd float64, n int) float64 {
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return planetBrightLimbPositionAngleN(jd, n, SaturnApparentRaDecN)
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func SaturnBrightLimbPositionAngleN(jde float64, n int) float64 {
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return planetBrightLimbPositionAngleN(jde, n, SaturnApparentRaDecN)
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}
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// UranusPhaseAngle 天王星相位角 / phase angle of Uranus.
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func UranusPhaseAngle(jd float64) float64 {
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return UranusPhaseAngleN(jd, -1)
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func UranusPhaseAngle(jde float64) float64 {
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return UranusPhaseAngleN(jde, -1)
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}
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// UranusPhaseAngleN 天王星相位角（截断版） / truncated phase angle of Uranus.
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@@ -178,18 +178,18 @@ func UranusIlluminatedFractionN(jd float64, n int) float64 {
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}
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// UranusBrightLimbPositionAngle 天王星亮面中心位置角 / position angle of Uranus bright limb.
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func UranusBrightLimbPositionAngle(jd float64) float64 {
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return UranusBrightLimbPositionAngleN(jd, -1)
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func UranusBrightLimbPositionAngle(jde float64) float64 {
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return UranusBrightLimbPositionAngleN(jde, -1)
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}
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// UranusBrightLimbPositionAngleN 天王星亮面中心位置角（截断版） / truncated position angle of Uranus bright limb.
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func UranusBrightLimbPositionAngleN(jd float64, n int) float64 {
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return planetBrightLimbPositionAngleN(jd, n, UranusApparentRaDecN)
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func UranusBrightLimbPositionAngleN(jde float64, n int) float64 {
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return planetBrightLimbPositionAngleN(jde, n, UranusApparentRaDecN)
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}
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// NeptunePhaseAngle 海王星相位角 / phase angle of Neptune.
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func NeptunePhaseAngle(jd float64) float64 {
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return NeptunePhaseAngleN(jd, -1)
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func NeptunePhaseAngle(jde float64) float64 {
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return NeptunePhaseAngleN(jde, -1)
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}
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// NeptunePhaseAngleN 海王星相位角（截断版） / truncated phase angle of Neptune.
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@@ -208,13 +208,13 @@ func NeptuneIlluminatedFractionN(jd float64, n int) float64 {
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}
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// NeptuneBrightLimbPositionAngle 海王星亮面中心位置角 / position angle of Neptune bright limb.
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func NeptuneBrightLimbPositionAngle(jd float64) float64 {
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return NeptuneBrightLimbPositionAngleN(jd, -1)
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func NeptuneBrightLimbPositionAngle(jde float64) float64 {
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return NeptuneBrightLimbPositionAngleN(jde, -1)
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}
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// NeptuneBrightLimbPositionAngleN 海王星亮面中心位置角（截断版） / truncated position angle of Neptune bright limb.
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func NeptuneBrightLimbPositionAngleN(jd float64, n int) float64 {
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return planetBrightLimbPositionAngleN(jd, n, NeptuneApparentRaDecN)
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func NeptuneBrightLimbPositionAngleN(jde float64, n int) float64 {
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return planetBrightLimbPositionAngleN(jde, n, NeptuneApparentRaDecN)
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}
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func planetPhaseAngleN(planetIndex int, jd float64, n int) float64 {
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@@ -225,17 +225,17 @@ func planetIlluminatedFractionN(planetIndex int, jd float64, n int) float64 {
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return (1 + planetPhaseCosineN(planetIndex, jd, n)) / 2
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}
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func planetPhaseCosineN(planetIndex int, jd float64, n int) float64 {
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planetSunDistance := planet.WherePlanetN(planetIndex, 2, jd, n)
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planetEarthDistance := planetEarthAwayN(planetIndex, jd, n)
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earthSunDistance := EarthAwayN(jd, n)
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func planetPhaseCosineN(planetIndex int, jde float64, n int) float64 {
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planetSunDistance := planet.WherePlanetN(planetIndex, 2, jde, n)
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planetEarthDistance := planetEarthAwayN(planetIndex, jde, n)
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earthSunDistance := EarthAwayN(jde, n)
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cosine := (planetSunDistance*planetSunDistance + planetEarthDistance*planetEarthDistance - earthSunDistance*earthSunDistance) / (2 * planetSunDistance * planetEarthDistance)
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return clampUnit(cosine)
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}
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func planetBrightLimbPositionAngleN(jd float64, n int, apparentRaDec planetRaDecNFunc) float64 {
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sunRa, sunDec := HSunApparentRaDecN(jd, n)
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planetRa, planetDec := apparentRaDec(jd, n)
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func planetBrightLimbPositionAngleN(jde float64, n int, apparentRaDec planetRaDecNFunc) float64 {
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sunRa, sunDec := HSunApparentRaDecN(jde, n)
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planetRa, planetDec := apparentRaDec(jde, n)
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y := Cos(sunDec) * Sin(sunRa-planetRa)
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x := Sin(sunDec)*Cos(planetDec) - Cos(sunDec)*Sin(planetDec)*Cos(sunRa-planetRa)
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return ArcTan2(y, x)
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