feat: 引入可切换星历模型并扩展天象观测链路
- 新增半解析、旧模型、自定义与多源堆叠星历实例，提供 Context、Instance、SPK 读取及状态与视位置计算 - 统一太阳、月球和行星实例接口，扩展黄经穿越、留、相位、最近角距、偕日可见、任意高度升落、轨道节点及凌日等天象查询 - 完善日月食、月掩与凌日的月缘剖面、有限盘面接触、站心修正、局地可见性、全球路径和地图输出 - 新增 SVG、GeoJSON、KML 天象输出及凌日、月掩和月缘地形相关缓存与几何求解 - 新增恒星星表导入与查询，支持 CSV、Hipparcos、BSC5、Stellarium 等格式及名称、交叉标识、锥面检索和星等过滤 - 补充 IAU 2006、地球定向、折射消光、大气观测、轨道传播及半解析行星/月球数据支持 - 将默认未来民用时标切换为 TimeScaleLeapHour，更新 2027–2400 农历速查表、中文日期解析和时区边界处理 - 增加事件基线、跨模型回归、几何边界、月缘地形和输出契约测试，完善中英文手册、示例资源、NOTICE 与忽略规则
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package mercury
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import (
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"time"
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)
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// Altitude 站心视高度角，不含大气折射 / topocentric apparent altitude without refraction.
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func Altitude(date time.Time, lon, lat float64) float64 {
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return defaultModule.Altitude(date, lon, lat)
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}
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// AltitudeN 站心视高度角（n 变体） / n-parameterised topocentric apparent altitude.
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func AltitudeN(date time.Time, lon, lat float64, n int) float64 {
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return defaultModule.AltitudeN(date, lon, lat, n)
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}
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// ApparentBo 视黄纬 / apparent ecliptic latitude.
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func ApparentBo(date time.Time) float64 { return defaultModule.ApparentBo(date) }
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// ApparentBoN 视黄纬（n 变体） / n-parameterised apparent ecliptic latitude.
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func ApparentBoN(date time.Time, n int) float64 { return defaultModule.ApparentBoN(date, n) }
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// ApparentDec 视赤纬 / apparent declination.
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func ApparentDec(date time.Time) float64 { return defaultModule.ApparentDec(date) }
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// ApparentDecN 视赤纬（n 变体） / n-parameterised apparent declination.
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func ApparentDecN(date time.Time, n int) float64 { return defaultModule.ApparentDecN(date, n) }
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// ApparentLo 视黄经 / apparent ecliptic longitude.
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func ApparentLo(date time.Time) float64 { return defaultModule.ApparentLo(date) }
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// ApparentLoN 视黄经（n 变体） / n-parameterised apparent ecliptic longitude.
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func ApparentLoN(date time.Time, n int) float64 { return defaultModule.ApparentLoN(date, n) }
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// ApparentMagnitude 视星等 / apparent magnitude.
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func ApparentMagnitude(date time.Time) float64 { return defaultModule.ApparentMagnitude(date) }
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// ApparentMagnitudeN 视星等（n 变体） / n-parameterised apparent magnitude.
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func ApparentMagnitudeN(date time.Time, n int) float64 {
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return defaultModule.ApparentMagnitudeN(date, n)
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}
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// ApparentRa 视赤经 / apparent right ascension.
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func ApparentRa(date time.Time) float64 { return defaultModule.ApparentRa(date) }
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// ApparentRaDec 视赤经、视赤纬 / apparent right ascension and declination.
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func ApparentRaDec(date time.Time) (float64, float64) { return defaultModule.ApparentRaDec(date) }
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// ApparentRaDecN 视赤经赤纬（n 变体） / n-parameterised apparent right ascension and declination.
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func ApparentRaDecN(date time.Time, n int) (float64, float64) {
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return defaultModule.ApparentRaDecN(date, n)
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}
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// ApparentRaN 视赤经（n 变体） / n-parameterised apparent right ascension.
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func ApparentRaN(date time.Time, n int) float64 { return defaultModule.ApparentRaN(date, n) }
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// AscendingNode 水星升交点黄经 / ascending node longitude of Mercury.
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func AscendingNode(date time.Time) float64 { return defaultModule.AscendingNode(date) }
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// AscendingNodeN 水星升交点黄经（n 变体） / n-parameterised ascending node longitude of Mercury.
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func AscendingNodeN(date time.Time, n int) float64 { return defaultModule.AscendingNodeN(date, n) }
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// Azimuth 站心方位角，自正北向东量 / topocentric azimuth, measured from north through east.
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func Azimuth(date time.Time, lon, lat float64) float64 { return defaultModule.Azimuth(date, lon, lat) }
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// AzimuthN 站心方位角（n 变体） / n-parameterised topocentric azimuth.
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func AzimuthN(date time.Time, lon, lat float64, n int) float64 {
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return defaultModule.AzimuthN(date, lon, lat, n)
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}
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// BrightLimbPositionAngle 亮面中心位置角，单位度 / bright limb position angle in degrees.
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func BrightLimbPositionAngle(date time.Time) float64 {
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return defaultModule.BrightLimbPositionAngle(date)
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}
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// BrightLimbPositionAngleN 亮面中心位置角（n 变体），单位度 / n-parameterised bright limb position angle in degrees.
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func BrightLimbPositionAngleN(date time.Time, n int) float64 {
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return defaultModule.BrightLimbPositionAngleN(date, n)
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}
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// ClosestTransit 最近一次地心水星凌日 / closest geocentric Mercury transit.
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func ClosestTransit(date time.Time) TransitInfo { return defaultModule.ClosestTransit(date) }
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// CulminationTime 中天时刻，取 date 所在当地民用日 / culmination time, on the local civil day of date.
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func CulminationTime(date time.Time, lon float64) time.Time {
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return defaultModule.CulminationTime(date, lon)
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}
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// CulminationTimeN 中天时间（n 变体） / n-parameterised culmination time.
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func CulminationTimeN(date time.Time, lon float64, n int) time.Time {
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return defaultModule.CulminationTimeN(date, lon, n)
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}
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// DescendingNode 水星降交点黄经 / descending node longitude of Mercury.
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func DescendingNode(date time.Time) float64 { return defaultModule.DescendingNode(date) }
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// DescendingNodeN 水星降交点黄经（n 变体） / n-parameterised descending node longitude of Mercury.
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func DescendingNodeN(date time.Time, n int) float64 { return defaultModule.DescendingNodeN(date, n) }
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// Diameter 水星视直径，单位角秒 / apparent Mercury diameter in arcseconds.
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func Diameter(date time.Time) float64 { return defaultModule.Diameter(date) }
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// DiameterN 水星视直径（n 变体），单位角秒 / n-parameterised apparent Mercury diameter in arcseconds.
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func DiameterN(date time.Time, n int) float64 { return defaultModule.DiameterN(date, n) }
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// DownTime 落下时间别名 / deprecated set-time alias.
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//
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// Deprecated: use SetTime instead.
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func DownTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error) {
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return defaultModule.DownTime(date, lon, lat, height, aero)
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}
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// DownTimeN 落下时间别名（n 变体） / n-parameterised down-time alias.
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func DownTimeN(date time.Time, lon, lat, height float64, aero bool, n int) (time.Time, error) {
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return defaultModule.DownTimeN(date, lon, lat, height, aero, n)
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}
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// EarthDistance 地心距离 / Earth distance.
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func EarthDistance(date time.Time) float64 { return defaultModule.EarthDistance(date) }
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// EarthDistanceN 地球距离（n 变体） / n-parameterised Earth distance.
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func EarthDistanceN(date time.Time, n int) float64 { return defaultModule.EarthDistanceN(date, n) }
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// HourAngle 地心视时角，不含站心视差 / geocentric apparent hour angle without topocentric parallax.
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func HourAngle(date time.Time, lon float64) float64 { return defaultModule.HourAngle(date, lon) }
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// HourAngleN 时角（n 变体） / n-parameterised hour angle.
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func HourAngleN(date time.Time, lon float64, n int) float64 {
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return defaultModule.HourAngleN(date, lon, n)
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}
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// IlluminatedFraction 被照亮比例 / illuminated fraction.
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func IlluminatedFraction(date time.Time) float64 { return defaultModule.IlluminatedFraction(date) }
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// IlluminatedFractionN 被照亮比例（n 变体） / n-parameterised illuminated fraction.
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func IlluminatedFractionN(date time.Time, n int) float64 {
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return defaultModule.IlluminatedFractionN(date, n)
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}
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// LastConjunction 上一次合日，取 date 所在当地民用日 / previous conjunction with the Sun, on the local civil day of date.
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func LastConjunction(date time.Time) time.Time { return defaultModule.LastConjunction(date) }
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// LastGreatestElongation 上一次大距，取 date 所在当地民用日 / previous greatest elongation, on the local civil day of date.
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func LastGreatestElongation(date time.Time) time.Time {
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return defaultModule.LastGreatestElongation(date)
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}
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// LastGreatestElongationEast 上一次东大距，取 date 所在当地民用日 / previous greatest eastern elongation, on the local civil day of date.
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func LastGreatestElongationEast(date time.Time) time.Time {
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return defaultModule.LastGreatestElongationEast(date)
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}
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// LastGreatestElongationWest 上一次西大距，取 date 所在当地民用日 / previous greatest western elongation, on the local civil day of date.
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func LastGreatestElongationWest(date time.Time) time.Time {
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return defaultModule.LastGreatestElongationWest(date)
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}
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// LastInferiorConjunction 上一次下合，取 date 所在当地民用日 / previous inferior conjunction, on the local civil day of date.
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func LastInferiorConjunction(date time.Time) time.Time {
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return defaultModule.LastInferiorConjunction(date)
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}
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// LastProgradeToRetrograde 上一次顺行转逆行留，取 date 所在当地民用日 / previous station from prograde to retrograde, on the local civil day of date.
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func LastProgradeToRetrograde(date time.Time) time.Time {
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return defaultModule.LastProgradeToRetrograde(date)
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}
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// LastRetrograde 上一次留，取 date 所在当地民用日 / previous stationary point, on the local civil day of date.
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func LastRetrograde(date time.Time) time.Time { return defaultModule.LastRetrograde(date) }
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// LastRetrogradeToPrograde 上一次逆行转顺行留，取 date 所在当地民用日 / previous station from retrograde to prograde, on the local civil day of date.
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func LastRetrogradeToPrograde(date time.Time) time.Time {
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return defaultModule.LastRetrogradeToPrograde(date)
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}
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// LastSuperiorConjunction 上一次上合，取 date 所在当地民用日 / previous superior conjunction, on the local civil day of date.
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func LastSuperiorConjunction(date time.Time) time.Time {
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return defaultModule.LastSuperiorConjunction(date)
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}
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// LastTransit 上一次地心水星凌日 / previous geocentric Mercury transit.
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func LastTransit(date time.Time) TransitInfo { return defaultModule.LastTransit(date) }
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// LocalTransit 地心凌日在观测地的站心接触与凌甚 / topocentric contacts of a transit seen from the site.
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func LocalTransit(transit TransitInfo, lon, lat, height float64) LocalTransitInfo {
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return defaultModule.LocalTransit(transit, lon, lat, height)
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}
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// NextConjunction 下一次合日，取 date 所在当地民用日 / next conjunction with the Sun, on the local civil day of date.
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func NextConjunction(date time.Time) time.Time { return defaultModule.NextConjunction(date) }
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// NextGreatestElongation 下一次大距，取 date 所在当地民用日 / next greatest elongation, on the local civil day of date.
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func NextGreatestElongation(date time.Time) time.Time {
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return defaultModule.NextGreatestElongation(date)
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}
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// NextGreatestElongationEast 下一次东大距，取 date 所在当地民用日 / next greatest eastern elongation, on the local civil day of date.
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func NextGreatestElongationEast(date time.Time) time.Time {
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return defaultModule.NextGreatestElongationEast(date)
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}
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// NextGreatestElongationWest 下一次西大距，取 date 所在当地民用日 / next greatest western elongation, on the local civil day of date.
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func NextGreatestElongationWest(date time.Time) time.Time {
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return defaultModule.NextGreatestElongationWest(date)
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}
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// NextInferiorConjunction 下一次下合，取 date 所在当地民用日 / next inferior conjunction, on the local civil day of date.
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func NextInferiorConjunction(date time.Time) time.Time {
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return defaultModule.NextInferiorConjunction(date)
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}
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// NextProgradeToRetrograde 下一次顺行转逆行留，取 date 所在当地民用日 / next station from prograde to retrograde, on the local civil day of date.
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func NextProgradeToRetrograde(date time.Time) time.Time {
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return defaultModule.NextProgradeToRetrograde(date)
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}
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// NextRetrograde 下一次留，取 date 所在当地民用日 / next stationary point, on the local civil day of date.
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func NextRetrograde(date time.Time) time.Time { return defaultModule.NextRetrograde(date) }
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// NextRetrogradeToPrograde 下一次逆行转顺行留，取 date 所在当地民用日 / next station from retrograde to prograde, on the local civil day of date.
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func NextRetrogradeToPrograde(date time.Time) time.Time {
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return defaultModule.NextRetrogradeToPrograde(date)
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}
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// NextSuperiorConjunction 下一次上合，取 date 所在当地民用日 / next superior conjunction, on the local civil day of date.
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func NextSuperiorConjunction(date time.Time) time.Time {
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return defaultModule.NextSuperiorConjunction(date)
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}
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// NextTransit 下一次地心水星凌日 / next geocentric Mercury transit.
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func NextTransit(date time.Time) TransitInfo { return defaultModule.NextTransit(date) }
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// ParallacticAngle 水星视差角（天顶方向角） / Mercury parallactic angle.
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func ParallacticAngle(date time.Time, lon, lat float64) float64 {
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return defaultModule.ParallacticAngle(date, lon, lat)
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}
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// ParallacticAngleN 水星视差角（天顶方向角）（n 变体） / n-parameterised Mercury parallactic angle.
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func ParallacticAngleN(date time.Time, lon, lat float64, n int) float64 {
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return defaultModule.ParallacticAngleN(date, lon, lat, n)
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}
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// Phase 相位，被照亮比例 / phase, illuminated fraction.
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func Phase(date time.Time) float64 { return defaultModule.Phase(date) }
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// PhaseAngle 相位角，单位度 / phase angle in degrees.
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func PhaseAngle(date time.Time) float64 { return defaultModule.PhaseAngle(date) }
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// PhaseAngleN 相位角（n 变体），单位度 / n-parameterised phase angle in degrees.
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func PhaseAngleN(date time.Time, n int) float64 { return defaultModule.PhaseAngleN(date, n) }
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// PhaseN 相位（n 变体），被照亮比例 / n-parameterised phase, illuminated fraction.
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func PhaseN(date time.Time, n int) float64 { return defaultModule.PhaseN(date, n) }
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// Physical 水星物理观测参数 / physical observing parameters of Mercury.
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func Physical(date time.Time) PhysicalInfo { return defaultModule.Physical(date) }
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// PhysicalN 水星物理观测参数（n 变体） / n-parameterised physical observing parameters of Mercury.
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func PhysicalN(date time.Time, n int) PhysicalInfo { return defaultModule.PhysicalN(date, n) }
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// RiseTime 升起时间，取 date 所在当地民用日 / rise time, on the local civil day of date.
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func RiseTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error) {
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return defaultModule.RiseTime(date, lon, lat, height, aero)
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}
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// RiseTimeN 升起时间（n 变体） / n-parameterised rise time.
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func RiseTimeN(date time.Time, lon, lat, height float64, aero bool, n int) (time.Time, error) {
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return defaultModule.RiseTimeN(date, lon, lat, height, aero, n)
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}
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// Semidiameter 水星视半径，单位角秒 / apparent Mercury semidiameter in arcseconds.
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func Semidiameter(date time.Time) float64 { return defaultModule.Semidiameter(date) }
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// SemidiameterN 水星视半径（n 变体），单位角秒 / n-parameterised apparent Mercury semidiameter in arcseconds.
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func SemidiameterN(date time.Time, n int) float64 { return defaultModule.SemidiameterN(date, n) }
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// SetTime 落下时间，取 date 所在当地民用日 / set time, on the local civil day of date.
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func SetTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error) {
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return defaultModule.SetTime(date, lon, lat, height, aero)
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}
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// SetTimeN 落下时间（n 变体） / n-parameterised set time.
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func SetTimeN(date time.Time, lon, lat, height float64, aero bool, n int) (time.Time, error) {
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return defaultModule.SetTimeN(date, lon, lat, height, aero, n)
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}
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// SunDistance 日心距离 / Sun distance.
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func SunDistance(date time.Time) float64 { return defaultModule.SunDistance(date) }
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// SunDistanceN 太阳距离（n 变体） / n-parameterised Sun distance.
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func SunDistanceN(date time.Time, n int) float64 { return defaultModule.SunDistanceN(date, n) }
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// Zenith 天顶距 / zenith distance.
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func Zenith(date time.Time, lon, lat float64) float64 { return defaultModule.Zenith(date, lon, lat) }
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// ZenithN 天顶距（n 变体） / n-parameterised zenith distance.
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func ZenithN(date time.Time, lon, lat float64, n int) float64 {
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return defaultModule.ZenithN(date, lon, lat, n)
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}
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// ApparentMagnitude2018 视星等（Mallama & Hilton 2018 模型）/ apparent magnitude, Mallama & Hilton 2018 model.
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func ApparentMagnitude2018(date time.Time) float64 { return defaultModule.ApparentMagnitude2018(date) }
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@@ -0,0 +1,13 @@
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package mercury
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import (
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"b612.me/astro/internal/ephem"
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)
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// Mercury 指定星历实例的计算模块 / computation module bound to an ephemeris instance.
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type Mercury struct{ inst *ephem.Instance }
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// NewWithInstance 创建指定星历实例的模块，nil 使用全局模型 / create a module; nil uses the global model.
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func NewWithInstance(inst *ephem.Instance) *Mercury { return &Mercury{inst: inst} }
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var defaultModule Mercury
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package mercury
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import (
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"b612.me/astro/basic"
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"b612.me/astro/internal/ephem"
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"testing"
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"time"
|
||||
)
|
||||
|
||||
type contextAPI interface {
|
||||
Altitude(date time.Time, lon, lat float64) float64
|
||||
AltitudeN(date time.Time, lon, lat float64, n int) float64
|
||||
ApparentBo(date time.Time) float64
|
||||
ApparentBoN(date time.Time, n int) float64
|
||||
ApparentDec(date time.Time) float64
|
||||
ApparentDecN(date time.Time, n int) float64
|
||||
ApparentLo(date time.Time) float64
|
||||
ApparentLoN(date time.Time, n int) float64
|
||||
ApparentMagnitude(date time.Time) float64
|
||||
ApparentMagnitudeN(date time.Time, n int) float64
|
||||
ApparentRa(date time.Time) float64
|
||||
ApparentRaDec(date time.Time) (float64, float64)
|
||||
ApparentRaDecN(date time.Time, n int) (float64, float64)
|
||||
ApparentRaN(date time.Time, n int) float64
|
||||
AscendingNode(date time.Time) float64
|
||||
AscendingNodeN(date time.Time, n int) float64
|
||||
Azimuth(date time.Time, lon, lat float64) float64
|
||||
AzimuthN(date time.Time, lon, lat float64, n int) float64
|
||||
BrightLimbPositionAngle(date time.Time) float64
|
||||
BrightLimbPositionAngleN(date time.Time, n int) float64
|
||||
ClosestTransit(date time.Time) TransitInfo
|
||||
CulminationTime(date time.Time, lon float64) time.Time
|
||||
CulminationTimeN(date time.Time, lon float64, n int) time.Time
|
||||
DescendingNode(date time.Time) float64
|
||||
DescendingNodeN(date time.Time, n int) float64
|
||||
Diameter(date time.Time) float64
|
||||
DiameterN(date time.Time, n int) float64
|
||||
DownTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error)
|
||||
DownTimeN(date time.Time, lon, lat, height float64, aero bool, n int) (time.Time, error)
|
||||
EarthDistance(date time.Time) float64
|
||||
EarthDistanceN(date time.Time, n int) float64
|
||||
HourAngle(date time.Time, lon float64) float64
|
||||
HourAngleN(date time.Time, lon float64, n int) float64
|
||||
IlluminatedFraction(date time.Time) float64
|
||||
IlluminatedFractionN(date time.Time, n int) float64
|
||||
LastConjunction(date time.Time) time.Time
|
||||
LastGreatestElongation(date time.Time) time.Time
|
||||
LastGreatestElongationEast(date time.Time) time.Time
|
||||
LastGreatestElongationWest(date time.Time) time.Time
|
||||
LastInferiorConjunction(date time.Time) time.Time
|
||||
LastProgradeToRetrograde(date time.Time) time.Time
|
||||
LastRetrograde(date time.Time) time.Time
|
||||
LastRetrogradeToPrograde(date time.Time) time.Time
|
||||
LastSuperiorConjunction(date time.Time) time.Time
|
||||
LastTransit(date time.Time) TransitInfo
|
||||
LocalTransit(transit TransitInfo, lon, lat, height float64) LocalTransitInfo
|
||||
NextConjunction(date time.Time) time.Time
|
||||
NextGreatestElongation(date time.Time) time.Time
|
||||
NextGreatestElongationEast(date time.Time) time.Time
|
||||
NextGreatestElongationWest(date time.Time) time.Time
|
||||
NextInferiorConjunction(date time.Time) time.Time
|
||||
NextProgradeToRetrograde(date time.Time) time.Time
|
||||
NextRetrograde(date time.Time) time.Time
|
||||
NextRetrogradeToPrograde(date time.Time) time.Time
|
||||
NextSuperiorConjunction(date time.Time) time.Time
|
||||
NextTransit(date time.Time) TransitInfo
|
||||
ParallacticAngle(date time.Time, lon, lat float64) float64
|
||||
ParallacticAngleN(date time.Time, lon, lat float64, n int) float64
|
||||
Phase(date time.Time) float64
|
||||
PhaseAngle(date time.Time) float64
|
||||
PhaseAngleN(date time.Time, n int) float64
|
||||
PhaseN(date time.Time, n int) float64
|
||||
Physical(date time.Time) PhysicalInfo
|
||||
PhysicalN(date time.Time, n int) PhysicalInfo
|
||||
RiseTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error)
|
||||
RiseTimeN(date time.Time, lon, lat, height float64, aero bool, n int) (time.Time, error)
|
||||
Semidiameter(date time.Time) float64
|
||||
SemidiameterN(date time.Time, n int) float64
|
||||
SetTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error)
|
||||
SetTimeN(date time.Time, lon, lat, height float64, aero bool, n int) (time.Time, error)
|
||||
SunDistance(date time.Time) float64
|
||||
SunDistanceN(date time.Time, n int) float64
|
||||
Zenith(date time.Time, lon, lat float64) float64
|
||||
ZenithN(date time.Time, lon, lat float64, n int) float64
|
||||
}
|
||||
|
||||
var _ contextAPI = (*Mercury)(nil)
|
||||
|
||||
func TestContextModuleIsolation(t *testing.T) {
|
||||
previous := basic.GetEphemerisModel()
|
||||
t.Cleanup(func() { basic.SetEphemerisModel(previous) })
|
||||
date := time.Date(2024, 10, 6, 12, 0, 0, 0, time.UTC)
|
||||
for _, model := range []ephem.Model{ephem.Legacy, ephem.Semianalytic} {
|
||||
basic.SetEphemerisModel(basic.EphemerisModel(model))
|
||||
want := ApparentLo(date)
|
||||
module := NewWithInstance(ephem.NewModelInstance(model))
|
||||
basic.SetEphemerisModel(basic.EphemerisModel(1 - int(model)))
|
||||
if got := module.ApparentLo(date); got != want {
|
||||
t.Fatalf("model %d: longitude %.12f, want %.12f", model, got, want)
|
||||
}
|
||||
}
|
||||
}
|
||||
+10
-10
@@ -8,23 +8,23 @@ import (
|
||||
)
|
||||
|
||||
// Semidiameter 水星视半径，单位角秒 / apparent Mercury semidiameter in arcseconds.
|
||||
func Semidiameter(date time.Time) float64 {
|
||||
return SemidiameterN(date, -1)
|
||||
func (module *Mercury) Semidiameter(date time.Time) float64 {
|
||||
return module.SemidiameterN(date, -1)
|
||||
}
|
||||
|
||||
// SemidiameterN 水星视半径（截断版），单位角秒 / truncated apparent Mercury semidiameter in arcseconds.
|
||||
func SemidiameterN(date time.Time, n int) float64 {
|
||||
// SemidiameterN 水星视半径（n 变体），单位角秒 / n-parameterised apparent Mercury semidiameter in arcseconds.
|
||||
func (module *Mercury) SemidiameterN(date time.Time, n int) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.MercurySemidiameterN(basic.UTC2TT(jd), n)
|
||||
return basic.MercurySemidiameterNWithInstance(basic.UTC2TT(jd), n, module.inst)
|
||||
}
|
||||
|
||||
// Diameter 水星视直径，单位角秒 / apparent Mercury diameter in arcseconds.
|
||||
func Diameter(date time.Time) float64 {
|
||||
return DiameterN(date, -1)
|
||||
func (module *Mercury) Diameter(date time.Time) float64 {
|
||||
return module.DiameterN(date, -1)
|
||||
}
|
||||
|
||||
// DiameterN 水星视直径（截断版），单位角秒 / truncated apparent Mercury diameter in arcseconds.
|
||||
func DiameterN(date time.Time, n int) float64 {
|
||||
// DiameterN 水星视直径（n 变体），单位角秒 / n-parameterised apparent Mercury diameter in arcseconds.
|
||||
func (module *Mercury) DiameterN(date time.Time, n int) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.MercuryDiameterN(basic.UTC2TT(jd), n)
|
||||
return basic.MercuryDiameterNWithInstance(basic.UTC2TT(jd), n, module.inst)
|
||||
}
|
||||
|
||||
@@ -1,3 +1,7 @@
|
||||
// Package mercury 水星位置、升落、合日、留、大距、地心凌日、相位、视直径与物理星历，角度单位为度。
|
||||
// Package mercury covers Mercury position, rise/set, conjunction, station, elongation, geocentric transit, phase, apparent diameter and physical ephemeris; angles are degrees.
|
||||
// 求值接口的 N 后缀是 n 变体：n < 0 取完整级数；半解析模型下所有 n >= 0 使用同一张快速表；Legacy 按 n 截断。
|
||||
// The N suffix marks an n-variant: n < 0 uses the full series, every n >= 0 uses one fast table under the semianalytic model, and Legacy truncates by n.
|
||||
// 时间参数：位置、距离、星等与物理量接口的 date 是绝对时刻，其所在时区参与地方时换算；升落、中天、晨昏与 Next/Last 事件接口按 date 所在时区的当地民用日求解，返回时刻保持该时区。
|
||||
// Time arguments: date is an absolute instant for position, distance, magnitude and physical-quantity entry points, and its zone takes part in local-time conversion; rise/set, culmination, twilight and Next/Last event entry points solve for the local civil day in date's zone and return instants keeping that zone.
|
||||
package mercury
|
||||
|
||||
+80
-178
@@ -1,11 +1,11 @@
|
||||
package mercury
|
||||
|
||||
import (
|
||||
"b612.me/astro/basic"
|
||||
"b612.me/astro/calendar"
|
||||
"b612.me/astro/planet"
|
||||
"errors"
|
||||
"time"
|
||||
|
||||
"b612.me/astro/basic"
|
||||
"b612.me/astro/calendar"
|
||||
)
|
||||
|
||||
var (
|
||||
@@ -31,136 +31,94 @@ func riseSetResult(date time.Time, jd float64, err error) (time.Time, error) {
|
||||
}
|
||||
|
||||
// ApparentLo 视黄经 / apparent ecliptic longitude.
|
||||
//
|
||||
// 返回水星在 date 对应绝对时刻的瞬时视黄经，单位度。
|
||||
// Returns the apparent ecliptic longitude of Mercury at the instant represented by date, in degrees.
|
||||
func ApparentLo(date time.Time) float64 {
|
||||
func (module *Mercury) ApparentLo(date time.Time) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.MercuryApparentLo(basic.UTC2TT(jd))
|
||||
return basic.MercuryApparentLoWithInstance(basic.UTC2TT(jd), module.inst)
|
||||
}
|
||||
|
||||
// ApparentBo 视黄纬 / apparent ecliptic latitude.
|
||||
//
|
||||
// 返回水星在 date 对应绝对时刻的瞬时视黄纬，单位度。
|
||||
// Returns the apparent ecliptic latitude of Mercury at the instant represented by date, in degrees.
|
||||
func ApparentBo(date time.Time) float64 {
|
||||
func (module *Mercury) ApparentBo(date time.Time) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.MercuryApparentBo(basic.UTC2TT(jd))
|
||||
return basic.MercuryApparentBoWithInstance(basic.UTC2TT(jd), module.inst)
|
||||
}
|
||||
|
||||
// ApparentRa 视赤经 / apparent right ascension.
|
||||
//
|
||||
// 返回水星在 date 对应绝对时刻的瞬时视赤经，单位度。
|
||||
// Returns the apparent right ascension of Mercury at the instant represented by date, in degrees.
|
||||
func ApparentRa(date time.Time) float64 {
|
||||
func (module *Mercury) ApparentRa(date time.Time) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.MercuryApparentRa(basic.UTC2TT(jd))
|
||||
return basic.MercuryApparentRaWithInstance(basic.UTC2TT(jd), module.inst)
|
||||
}
|
||||
|
||||
// ApparentDec 视赤纬 / apparent declination.
|
||||
//
|
||||
// 返回水星在 date 对应绝对时刻的瞬时视赤纬，单位度。
|
||||
// Returns the apparent declination of Mercury at the instant represented by date, in degrees.
|
||||
func ApparentDec(date time.Time) float64 {
|
||||
func (module *Mercury) ApparentDec(date time.Time) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.MercuryApparentDec(basic.UTC2TT(jd))
|
||||
return basic.MercuryApparentDecWithInstance(basic.UTC2TT(jd), module.inst)
|
||||
}
|
||||
|
||||
// ApparentRaDec 视赤经、视赤纬 / apparent right ascension and declination.
|
||||
//
|
||||
// 返回水星在 date 对应绝对时刻的瞬时视赤经与视赤纬，单位度。
|
||||
// Returns the apparent right ascension and declination of Mercury at the instant represented by date, in degrees.
|
||||
func ApparentRaDec(date time.Time) (float64, float64) {
|
||||
func (module *Mercury) ApparentRaDec(date time.Time) (float64, float64) {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.MercuryApparentRaDec(basic.UTC2TT(jd))
|
||||
return basic.MercuryApparentRaDecWithInstance(basic.UTC2TT(jd), module.inst)
|
||||
}
|
||||
|
||||
// ApparentMagnitude 视星等 / apparent magnitude.
|
||||
//
|
||||
// 返回水星在 date 对应绝对时刻的视星等。
|
||||
// Returns the apparent visual magnitude of Mercury at the instant represented by date.
|
||||
func ApparentMagnitude(date time.Time) float64 {
|
||||
func (module *Mercury) ApparentMagnitude(date time.Time) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.MercuryMag(basic.UTC2TT(jd))
|
||||
return basic.MercuryMagWithInstance(basic.UTC2TT(jd), module.inst)
|
||||
}
|
||||
|
||||
// EarthDistance 地心距离 / Earth distance.
|
||||
//
|
||||
// 返回水星在 date 对应绝对时刻到地球的距离，单位 AU。
|
||||
// Returns the distance from Mercury to Earth at the instant represented by date, in astronomical units.
|
||||
func EarthDistance(date time.Time) float64 {
|
||||
func (module *Mercury) EarthDistance(date time.Time) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.EarthMercuryAway(basic.UTC2TT(jd))
|
||||
return basic.EarthMercuryAwayWithInstance(basic.UTC2TT(jd), module.inst)
|
||||
}
|
||||
|
||||
// SunDistance 日心距离 / Sun distance.
|
||||
//
|
||||
// 返回水星在 date 对应绝对时刻到太阳的距离，单位 AU。
|
||||
// Returns the distance from Mercury to the Sun at the instant represented by date, in astronomical units.
|
||||
func SunDistance(date time.Time) float64 {
|
||||
func (module *Mercury) SunDistance(date time.Time) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return planet.WherePlanet(1, 2, basic.UTC2TT(jd))
|
||||
return basic.PlanetCoordinateWithInstance(1, 2, basic.UTC2TT(jd), module.inst)
|
||||
}
|
||||
|
||||
// Altitude 高度角 / altitude.
|
||||
//
|
||||
// date 表示观测时刻，会读取其时区参与地方时计算；lon 为观测者经度，东正西负；lat 为观测者纬度，北正南负。返回值单位度。
|
||||
// date is the observing instant and its zone offset participates in local-time calculations. lon is east-positive longitude, lat is north-positive latitude, and the result is in degrees.
|
||||
func Altitude(date time.Time, lon, lat float64) float64 {
|
||||
// Altitude 站心视高度角，不含大气折射 / topocentric apparent altitude without refraction.
|
||||
func (module *Mercury) Altitude(date time.Time, lon, lat float64) float64 {
|
||||
localJD := basic.Date2JD(date)
|
||||
_, loc := date.Zone()
|
||||
timezone := float64(loc) / 3600.0
|
||||
return basic.MercuryHeight(localJD, lon, lat, timezone)
|
||||
return basic.MercuryHeightWithInstance(localJD, lon, lat, timezone, module.inst)
|
||||
}
|
||||
|
||||
// Zenith 天顶距 / zenith distance.
|
||||
//
|
||||
// 参数与 Altitude 相同，返回值为对应时刻的天顶距，单位度。
|
||||
// Uses the same inputs as Altitude and returns the zenith distance in degrees.
|
||||
func Zenith(date time.Time, lon, lat float64) float64 {
|
||||
return 90 - Altitude(date, lon, lat)
|
||||
func (module *Mercury) Zenith(date time.Time, lon, lat float64) float64 {
|
||||
return 90 - module.Altitude(date, lon, lat)
|
||||
}
|
||||
|
||||
// Azimuth 方位角 / azimuth.
|
||||
//
|
||||
// date 表示观测时刻，会读取其时区参与地方时计算；lon 为观测者经度，东正西负；lat 为观测者纬度，北正南负。返回值按正北为 0°、向东增加。
|
||||
// date is the observing instant and its zone offset participates in local-time calculations. lon is east-positive longitude, lat is north-positive latitude, and azimuth is measured from north toward east.
|
||||
func Azimuth(date time.Time, lon, lat float64) float64 {
|
||||
// Azimuth 站心方位角 / topocentric azimuth.
|
||||
func (module *Mercury) Azimuth(date time.Time, lon, lat float64) float64 {
|
||||
localJD := basic.Date2JD(date)
|
||||
_, loc := date.Zone()
|
||||
timezone := float64(loc) / 3600.0
|
||||
return basic.MercuryAzimuth(localJD, lon, lat, timezone)
|
||||
return basic.MercuryAzimuthWithInstance(localJD, lon, lat, timezone, module.inst)
|
||||
}
|
||||
|
||||
// HourAngle 时角 / hour angle.
|
||||
//
|
||||
// date 表示观测时刻，会读取其时区参与地方时计算；lon 为观测者经度，东正西负。返回值单位度。
|
||||
// date is the observing instant and its zone offset participates in local-time calculations. lon is east-positive longitude and the returned hour angle is in degrees.
|
||||
func HourAngle(date time.Time, lon float64) float64 {
|
||||
// HourAngle 地心视时角，不含站心视差 / geocentric apparent hour angle without topocentric parallax.
|
||||
func (module *Mercury) HourAngle(date time.Time, lon float64) float64 {
|
||||
localJD := basic.Date2JD(date)
|
||||
_, loc := date.Zone()
|
||||
timezone := float64(loc) / 3600.0
|
||||
return basic.MercuryHourAngle(localJD, lon, timezone)
|
||||
return basic.MercuryHourAngleWithInstance(localJD, lon, timezone, module.inst)
|
||||
}
|
||||
|
||||
// CulminationTime 中天时刻 / culmination time.
|
||||
//
|
||||
// date 取其所在时区的当地日期，返回值保持相同时区；lon 为观测者经度，东正西负。
|
||||
// date is interpreted on its local civil day and the result keeps the same time zone. lon is east-positive longitude.
|
||||
func CulminationTime(date time.Time, lon float64) time.Time {
|
||||
func (module *Mercury) CulminationTime(date time.Time, lon float64) time.Time {
|
||||
date = time.Date(date.Year(), date.Month(), date.Day(), 0, 0, 0, 0, date.Location())
|
||||
localJD := basic.Date2JD(date)
|
||||
_, loc := date.Zone()
|
||||
timezone := float64(loc) / 3600.0
|
||||
calcJD := basic.MercuryCulminationTime(localJD, lon, timezone) - timezone/24.00
|
||||
calcJD := basic.MercuryCulminationTimeWithInstance(localJD, lon, timezone, module.inst) - timezone/24.00
|
||||
return basic.JD2DateByZone(calcJD, date.Location(), false)
|
||||
}
|
||||
|
||||
// RiseTime 升起时间 / rise time.
|
||||
//
|
||||
// date 取其所在时区的当地日期，返回值保持相同时区；lon 为东正西负经度，lat 为北正南负纬度；height 为观测点椭球高（大地高，米）；aero 为 true 时加入标准大气折射。
|
||||
// date is interpreted on its local civil day and the result keeps the same time zone. lon is east-positive longitude, lat is north-positive latitude, height is observer elevation in meters, and aero enables standard atmospheric refraction.
|
||||
func RiseTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error) {
|
||||
func (module *Mercury) RiseTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error) {
|
||||
var aeroFloat float64
|
||||
if aero {
|
||||
aeroFloat = 1
|
||||
@@ -169,25 +127,17 @@ func RiseTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, e
|
||||
localJD := basic.Date2JD(date)
|
||||
_, loc := date.Zone()
|
||||
timezone := float64(loc) / 3600.0
|
||||
riseJD, err := basic.MercuryRiseTime(localJD, lon, lat, timezone, aeroFloat, height)
|
||||
riseJD, err := basic.MercuryRiseTimeWithInstance(localJD, lon, lat, timezone, aeroFloat, height, module.inst)
|
||||
return riseSetResult(date, riseJD, err)
|
||||
}
|
||||
|
||||
// DownTime 落下时间别名 / deprecated set-time alias.
|
||||
//
|
||||
// Deprecated: use SetTime instead.
|
||||
//
|
||||
// 参数与 SetTime 相同，仅为兼容旧接口保留。
|
||||
// Same as SetTime and kept only for backward compatibility.
|
||||
func DownTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error) {
|
||||
return SetTime(date, lon, lat, height, aero)
|
||||
func (module *Mercury) DownTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error) {
|
||||
return module.SetTime(date, lon, lat, height, aero)
|
||||
}
|
||||
|
||||
// SetTime 落下时间 / set time.
|
||||
//
|
||||
// 参数与 RiseTime 相同，返回给定当地日期内的落下时刻。
|
||||
// Uses the same inputs as RiseTime and returns the set time on the corresponding local civil day.
|
||||
func SetTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error) {
|
||||
func (module *Mercury) SetTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error) {
|
||||
var aeroFloat float64
|
||||
if aero {
|
||||
aeroFloat = 1
|
||||
@@ -196,168 +146,120 @@ func SetTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, er
|
||||
localJD := basic.Date2JD(date)
|
||||
_, loc := date.Zone()
|
||||
timezone := float64(loc) / 3600.0
|
||||
riseJD, err := basic.MercurySetTime(localJD, lon, lat, timezone, aeroFloat, height)
|
||||
riseJD, err := basic.MercurySetTimeWithInstance(localJD, lon, lat, timezone, aeroFloat, height, module.inst)
|
||||
return riseSetResult(date, riseJD, err)
|
||||
}
|
||||
|
||||
// LastConjunction 上一次合日 / previous conjunction with the Sun.
|
||||
//
|
||||
// 返回 date 当前或之前最近一次与太阳的合日时刻，结果保持 date 的时区。
|
||||
// Returns the nearest conjunction with the Sun at or before date, keeping date's time zone.
|
||||
func LastConjunction(date time.Time) time.Time {
|
||||
func (module *Mercury) LastConjunction(date time.Time) time.Time {
|
||||
jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
|
||||
return basic.JD2DateByZone(basic.LastMercuryConjunction(jde), date.Location(), false)
|
||||
return basic.JD2DateByZone(basic.LastMercuryConjunctionWithInstance(jde, module.inst), date.Location(), false)
|
||||
}
|
||||
|
||||
// NextConjunction 下一次合日 / next conjunction with the Sun.
|
||||
//
|
||||
// 返回 date 当前或之后最近一次与太阳的合日时刻，结果保持 date 的时区。
|
||||
// Returns the nearest conjunction with the Sun at or after date, keeping date's time zone.
|
||||
func NextConjunction(date time.Time) time.Time {
|
||||
func (module *Mercury) NextConjunction(date time.Time) time.Time {
|
||||
jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
|
||||
return basic.JD2DateByZone(basic.NextMercuryConjunction(jde), date.Location(), false)
|
||||
return basic.JD2DateByZone(basic.NextMercuryConjunctionWithInstance(jde, module.inst), date.Location(), false)
|
||||
}
|
||||
|
||||
// LastInferiorConjunction 上一次下合 / previous inferior conjunction.
|
||||
//
|
||||
// 返回 date 当前或之前最近一次下合时刻，结果保持 date 的时区。
|
||||
// Returns the nearest inferior conjunction at or before date, keeping date's time zone.
|
||||
func LastInferiorConjunction(date time.Time) time.Time {
|
||||
func (module *Mercury) LastInferiorConjunction(date time.Time) time.Time {
|
||||
jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
|
||||
return basic.JD2DateByZone(basic.LastMercuryInferiorConjunctionInclusive(jde), date.Location(), false)
|
||||
return basic.JD2DateByZone(basic.LastMercuryInferiorConjunctionInclusiveWithInstance(jde, module.inst), date.Location(), false)
|
||||
}
|
||||
|
||||
// NextInferiorConjunction 下一次下合 / next inferior conjunction.
|
||||
//
|
||||
// 返回 date 当前或之后最近一次下合时刻，结果保持 date 的时区。
|
||||
// Returns the nearest inferior conjunction at or after date, keeping date's time zone.
|
||||
func NextInferiorConjunction(date time.Time) time.Time {
|
||||
func (module *Mercury) NextInferiorConjunction(date time.Time) time.Time {
|
||||
jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
|
||||
return basic.JD2DateByZone(basic.NextMercuryInferiorConjunctionInclusive(jde), date.Location(), false)
|
||||
return basic.JD2DateByZone(basic.NextMercuryInferiorConjunctionInclusiveWithInstance(jde, module.inst), date.Location(), false)
|
||||
}
|
||||
|
||||
// LastSuperiorConjunction 上一次上合 / previous superior conjunction.
|
||||
//
|
||||
// 返回 date 当前或之前最近一次上合时刻，结果保持 date 的时区。
|
||||
// Returns the nearest superior conjunction at or before date, keeping date's time zone.
|
||||
func LastSuperiorConjunction(date time.Time) time.Time {
|
||||
func (module *Mercury) LastSuperiorConjunction(date time.Time) time.Time {
|
||||
jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
|
||||
return basic.JD2DateByZone(basic.LastMercurySuperiorConjunctionInclusive(jde), date.Location(), false)
|
||||
return basic.JD2DateByZone(basic.LastMercurySuperiorConjunctionInclusiveWithInstance(jde, module.inst), date.Location(), false)
|
||||
}
|
||||
|
||||
// NextSuperiorConjunction 下一次上合 / next superior conjunction.
|
||||
//
|
||||
// 返回 date 当前或之后最近一次上合时刻，结果保持 date 的时区。
|
||||
// Returns the nearest superior conjunction at or after date, keeping date's time zone.
|
||||
func NextSuperiorConjunction(date time.Time) time.Time {
|
||||
func (module *Mercury) NextSuperiorConjunction(date time.Time) time.Time {
|
||||
jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
|
||||
return basic.JD2DateByZone(basic.NextMercurySuperiorConjunctionInclusive(jde), date.Location(), false)
|
||||
return basic.JD2DateByZone(basic.NextMercurySuperiorConjunctionInclusiveWithInstance(jde, module.inst), date.Location(), false)
|
||||
}
|
||||
|
||||
// LastRetrograde 上一次留 / previous stationary point.
|
||||
//
|
||||
// 返回 date 当前或之前最近一次留时刻，不区分顺转逆还是逆转顺，结果保持 date 的时区。
|
||||
// Returns the nearest stationary point at or before date, regardless of the direction change, keeping date's time zone.
|
||||
func LastRetrograde(date time.Time) time.Time {
|
||||
func (module *Mercury) LastRetrograde(date time.Time) time.Time {
|
||||
jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
|
||||
return basic.JD2DateByZone(basic.LastMercuryRetrogradeInclusive(jde), date.Location(), false)
|
||||
return basic.JD2DateByZone(basic.LastMercuryRetrogradeInclusiveWithInstance(jde, module.inst), date.Location(), false)
|
||||
}
|
||||
|
||||
// NextRetrograde 下一次留 / next stationary point.
|
||||
//
|
||||
// 返回 date 当前或之后最近一次留时刻，不区分顺转逆还是逆转顺，结果保持 date 的时区。
|
||||
// Returns the nearest stationary point at or after date, regardless of the direction change, keeping date's time zone.
|
||||
func NextRetrograde(date time.Time) time.Time {
|
||||
func (module *Mercury) NextRetrograde(date time.Time) time.Time {
|
||||
jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
|
||||
return basic.JD2DateByZone(basic.NextMercuryRetrogradeInclusive(jde), date.Location(), false)
|
||||
return basic.JD2DateByZone(basic.NextMercuryRetrogradeInclusiveWithInstance(jde, module.inst), date.Location(), false)
|
||||
}
|
||||
|
||||
// LastProgradeToRetrograde 上一次顺行转逆行留 / previous station from prograde to retrograde.
|
||||
//
|
||||
// 返回 date 当前或之前最近一次由顺行转为逆行的留时刻，结果保持 date 的时区。
|
||||
// Returns the nearest station at or before date where motion changes from prograde to retrograde, keeping date's time zone.
|
||||
func LastProgradeToRetrograde(date time.Time) time.Time {
|
||||
func (module *Mercury) LastProgradeToRetrograde(date time.Time) time.Time {
|
||||
jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
|
||||
return basic.JD2DateByZone(basic.LastMercuryProgradeToRetrogradeInclusive(jde), date.Location(), false)
|
||||
return basic.JD2DateByZone(basic.LastMercuryProgradeToRetrogradeInclusiveWithInstance(jde, module.inst), date.Location(), false)
|
||||
}
|
||||
|
||||
// NextProgradeToRetrograde 下一次顺行转逆行留 / next station from prograde to retrograde.
|
||||
//
|
||||
// 返回 date 当前或之后最近一次由顺行转为逆行的留时刻，结果保持 date 的时区。
|
||||
// Returns the nearest station at or after date where motion changes from prograde to retrograde, keeping date's time zone.
|
||||
func NextProgradeToRetrograde(date time.Time) time.Time {
|
||||
func (module *Mercury) NextProgradeToRetrograde(date time.Time) time.Time {
|
||||
jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
|
||||
return basic.JD2DateByZone(basic.NextMercuryProgradeToRetrogradeInclusive(jde), date.Location(), false)
|
||||
return basic.JD2DateByZone(basic.NextMercuryProgradeToRetrogradeInclusiveWithInstance(jde, module.inst), date.Location(), false)
|
||||
}
|
||||
|
||||
// LastRetrogradeToPrograde 上一次逆行转顺行留 / previous station from retrograde to prograde.
|
||||
//
|
||||
// 返回 date 当前或之前最近一次由逆行转为顺行的留时刻，结果保持 date 的时区。
|
||||
// Returns the nearest station at or before date where motion changes from retrograde to prograde, keeping date's time zone.
|
||||
func LastRetrogradeToPrograde(date time.Time) time.Time {
|
||||
func (module *Mercury) LastRetrogradeToPrograde(date time.Time) time.Time {
|
||||
jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
|
||||
return basic.JD2DateByZone(basic.LastMercuryRetrogradeToProgradeInclusive(jde), date.Location(), false)
|
||||
return basic.JD2DateByZone(basic.LastMercuryRetrogradeToProgradeInclusiveWithInstance(jde, module.inst), date.Location(), false)
|
||||
}
|
||||
|
||||
// NextRetrogradeToPrograde 下一次逆行转顺行留 / next station from retrograde to prograde.
|
||||
//
|
||||
// 返回 date 当前或之后最近一次由逆行转为顺行的留时刻，结果保持 date 的时区。
|
||||
// Returns the nearest station at or after date where motion changes from retrograde to prograde, keeping date's time zone.
|
||||
func NextRetrogradeToPrograde(date time.Time) time.Time {
|
||||
func (module *Mercury) NextRetrogradeToPrograde(date time.Time) time.Time {
|
||||
jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
|
||||
return basic.JD2DateByZone(basic.NextMercuryRetrogradeToProgradeInclusive(jde), date.Location(), false)
|
||||
return basic.JD2DateByZone(basic.NextMercuryRetrogradeToProgradeInclusiveWithInstance(jde, module.inst), date.Location(), false)
|
||||
}
|
||||
|
||||
// LastGreatestElongation 上一次大距 / previous greatest elongation.
|
||||
//
|
||||
// 返回 date 当前或之前最近一次大距时刻，不区分东西大距，结果保持 date 的时区。
|
||||
// Returns the nearest greatest elongation at or before date, regardless of east or west, keeping date's time zone.
|
||||
func LastGreatestElongation(date time.Time) time.Time {
|
||||
func (module *Mercury) LastGreatestElongation(date time.Time) time.Time {
|
||||
jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
|
||||
return basic.JD2DateByZone(basic.LastMercuryGreatestElongationInclusive(jde), date.Location(), false)
|
||||
return basic.JD2DateByZone(basic.LastMercuryGreatestElongationInclusiveWithInstance(jde, module.inst), date.Location(), false)
|
||||
}
|
||||
|
||||
// NextGreatestElongation 下一次大距 / next greatest elongation.
|
||||
//
|
||||
// 返回 date 当前或之后最近一次大距时刻，不区分东西大距，结果保持 date 的时区。
|
||||
// Returns the nearest greatest elongation at or after date, regardless of east or west, keeping date's time zone.
|
||||
func NextGreatestElongation(date time.Time) time.Time {
|
||||
func (module *Mercury) NextGreatestElongation(date time.Time) time.Time {
|
||||
jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
|
||||
return basic.JD2DateByZone(basic.NextMercuryGreatestElongationInclusive(jde), date.Location(), false)
|
||||
return basic.JD2DateByZone(basic.NextMercuryGreatestElongationInclusiveWithInstance(jde, module.inst), date.Location(), false)
|
||||
}
|
||||
|
||||
// LastGreatestElongationEast 上一次东大距 / previous greatest eastern elongation.
|
||||
//
|
||||
// 返回 date 当前或之前最近一次东大距时刻，结果保持 date 的时区。
|
||||
// Returns the nearest eastern greatest elongation at or before date, keeping date's time zone.
|
||||
func LastGreatestElongationEast(date time.Time) time.Time {
|
||||
func (module *Mercury) LastGreatestElongationEast(date time.Time) time.Time {
|
||||
jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
|
||||
return basic.JD2DateByZone(basic.LastMercuryGreatestElongationEastInclusive(jde), date.Location(), false)
|
||||
return basic.JD2DateByZone(basic.LastMercuryGreatestElongationEastInclusiveWithInstance(jde, module.inst), date.Location(), false)
|
||||
}
|
||||
|
||||
// NextGreatestElongationEast 下一次东大距 / next greatest eastern elongation.
|
||||
//
|
||||
// 返回 date 当前或之后最近一次东大距时刻，结果保持 date 的时区。
|
||||
// Returns the nearest eastern greatest elongation at or after date, keeping date's time zone.
|
||||
func NextGreatestElongationEast(date time.Time) time.Time {
|
||||
func (module *Mercury) NextGreatestElongationEast(date time.Time) time.Time {
|
||||
jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
|
||||
return basic.JD2DateByZone(basic.NextMercuryGreatestElongationEastInclusive(jde), date.Location(), false)
|
||||
return basic.JD2DateByZone(basic.NextMercuryGreatestElongationEastInclusiveWithInstance(jde, module.inst), date.Location(), false)
|
||||
}
|
||||
|
||||
// LastGreatestElongationWest 上一次西大距 / previous greatest western elongation.
|
||||
//
|
||||
// 返回 date 当前或之前最近一次西大距时刻，结果保持 date 的时区。
|
||||
// Returns the nearest western greatest elongation at or before date, keeping date's time zone.
|
||||
func LastGreatestElongationWest(date time.Time) time.Time {
|
||||
func (module *Mercury) LastGreatestElongationWest(date time.Time) time.Time {
|
||||
jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
|
||||
return basic.JD2DateByZone(basic.LastMercuryGreatestElongationWestInclusive(jde), date.Location(), false)
|
||||
return basic.JD2DateByZone(basic.LastMercuryGreatestElongationWestInclusiveWithInstance(jde, module.inst), date.Location(), false)
|
||||
}
|
||||
|
||||
// NextGreatestElongationWest 下一次西大距 / next greatest western elongation.
|
||||
//
|
||||
// 返回 date 当前或之后最近一次西大距时刻，结果保持 date 的时区。
|
||||
// Returns the nearest western greatest elongation at or after date, keeping date's time zone.
|
||||
func NextGreatestElongationWest(date time.Time) time.Time {
|
||||
func (module *Mercury) NextGreatestElongationWest(date time.Time) time.Time {
|
||||
jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
|
||||
return basic.JD2DateByZone(basic.NextMercuryGreatestElongationWestInclusive(jde), date.Location(), false)
|
||||
return basic.JD2DateByZone(basic.NextMercuryGreatestElongationWestInclusiveWithInstance(jde, module.inst), date.Location(), false)
|
||||
}
|
||||
|
||||
// ApparentMagnitude2018 视星等（Mallama & Hilton 2018 模型）/ apparent magnitude, Mallama & Hilton 2018 model.
|
||||
func (module *Mercury) ApparentMagnitude2018(date time.Time) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.MercuryMag2018WithInstance(basic.UTC2TT(jd), module.inst)
|
||||
}
|
||||
|
||||
@@ -18,7 +18,7 @@ func TestMercury(t *testing.T) {
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if date.Unix() != 1642636481 {
|
||||
if date.Unix() != 1642636482 {
|
||||
t.Fatal(date.Unix())
|
||||
}
|
||||
}
|
||||
|
||||
+10
-10
@@ -8,23 +8,23 @@ import (
|
||||
)
|
||||
|
||||
// AscendingNode 水星升交点黄经 / ascending node longitude of Mercury.
|
||||
func AscendingNode(date time.Time) float64 {
|
||||
return AscendingNodeN(date, -1)
|
||||
func (module *Mercury) AscendingNode(date time.Time) float64 {
|
||||
return module.AscendingNodeN(date, -1)
|
||||
}
|
||||
|
||||
// AscendingNodeN 水星升交点黄经（截断版） / truncated ascending node longitude of Mercury.
|
||||
func AscendingNodeN(date time.Time, n int) float64 {
|
||||
// AscendingNodeN 水星升交点黄经（n 变体） / n-parameterised ascending node longitude of Mercury.
|
||||
func (module *Mercury) AscendingNodeN(date time.Time, n int) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.MercuryAscendingNodeN(basic.UTC2TT(jd), n)
|
||||
return basic.MercuryAscendingNodeNWithInstance(basic.UTC2TT(jd), n, module.inst)
|
||||
}
|
||||
|
||||
// DescendingNode 水星降交点黄经 / descending node longitude of Mercury.
|
||||
func DescendingNode(date time.Time) float64 {
|
||||
return DescendingNodeN(date, -1)
|
||||
func (module *Mercury) DescendingNode(date time.Time) float64 {
|
||||
return module.DescendingNodeN(date, -1)
|
||||
}
|
||||
|
||||
// DescendingNodeN 水星降交点黄经（截断版） / truncated descending node longitude of Mercury.
|
||||
func DescendingNodeN(date time.Time, n int) float64 {
|
||||
// DescendingNodeN 水星降交点黄经（n 变体） / n-parameterised descending node longitude of Mercury.
|
||||
func (module *Mercury) DescendingNodeN(date time.Time, n int) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.MercuryDescendingNodeN(basic.UTC2TT(jd), n)
|
||||
return basic.MercuryDescendingNodeNWithInstance(basic.UTC2TT(jd), n, module.inst)
|
||||
}
|
||||
|
||||
@@ -7,11 +7,11 @@ import (
|
||||
)
|
||||
|
||||
// ParallacticAngle 水星视差角（天顶方向角） / Mercury parallactic angle.
|
||||
func ParallacticAngle(date time.Time, lon, lat float64) float64 {
|
||||
return basic.ParallacticAngleByHourAngle(HourAngle(date, lon), ApparentDec(date), lat)
|
||||
func (module *Mercury) ParallacticAngle(date time.Time, lon, lat float64) float64 {
|
||||
return basic.ParallacticAngleByHourAngle(module.HourAngle(date, lon), module.ApparentDec(date), lat)
|
||||
}
|
||||
|
||||
// ParallacticAngleN 截断项水星视差角（天顶方向角） / truncated Mercury parallactic angle.
|
||||
func ParallacticAngleN(date time.Time, lon, lat float64, n int) float64 {
|
||||
return basic.ParallacticAngleByHourAngle(HourAngleN(date, lon, n), ApparentDecN(date, n), lat)
|
||||
// ParallacticAngleN 水星视差角（天顶方向角）（n 变体） / n-parameterised Mercury parallactic angle.
|
||||
func (module *Mercury) ParallacticAngleN(date time.Time, lon, lat float64, n int) float64 {
|
||||
return basic.ParallacticAngleByHourAngle(module.HourAngleN(date, lon, n), module.ApparentDecN(date, n), lat)
|
||||
}
|
||||
|
||||
+20
-20
@@ -8,43 +8,43 @@ import (
|
||||
)
|
||||
|
||||
// PhaseAngle 相位角，单位度 / phase angle in degrees.
|
||||
func PhaseAngle(date time.Time) float64 {
|
||||
return PhaseAngleN(date, -1)
|
||||
func (module *Mercury) PhaseAngle(date time.Time) float64 {
|
||||
return module.PhaseAngleN(date, -1)
|
||||
}
|
||||
|
||||
// PhaseAngleN 相位角（截断版），单位度 / truncated phase angle in degrees.
|
||||
func PhaseAngleN(date time.Time, n int) float64 {
|
||||
return basic.MercuryPhaseAngleN(phaseJD(date), n)
|
||||
// PhaseAngleN 相位角（n 变体），单位度 / n-parameterised phase angle in degrees.
|
||||
func (module *Mercury) PhaseAngleN(date time.Time, n int) float64 {
|
||||
return basic.MercuryPhaseAngleNWithInstance(phaseJD(date), n, module.inst)
|
||||
}
|
||||
|
||||
// IlluminatedFraction 被照亮比例 / illuminated fraction.
|
||||
func IlluminatedFraction(date time.Time) float64 {
|
||||
return IlluminatedFractionN(date, -1)
|
||||
func (module *Mercury) IlluminatedFraction(date time.Time) float64 {
|
||||
return module.IlluminatedFractionN(date, -1)
|
||||
}
|
||||
|
||||
// IlluminatedFractionN 被照亮比例（截断版） / truncated illuminated fraction.
|
||||
func IlluminatedFractionN(date time.Time, n int) float64 {
|
||||
return basic.MercuryIlluminatedFractionN(phaseJD(date), n)
|
||||
// IlluminatedFractionN 被照亮比例（n 变体） / n-parameterised illuminated fraction.
|
||||
func (module *Mercury) IlluminatedFractionN(date time.Time, n int) float64 {
|
||||
return basic.MercuryIlluminatedFractionNWithInstance(phaseJD(date), n, module.inst)
|
||||
}
|
||||
|
||||
// Phase 相位，被照亮比例 / phase, illuminated fraction.
|
||||
func Phase(date time.Time) float64 {
|
||||
return IlluminatedFraction(date)
|
||||
func (module *Mercury) Phase(date time.Time) float64 {
|
||||
return module.IlluminatedFraction(date)
|
||||
}
|
||||
|
||||
// PhaseN 相位（截断版），被照亮比例 / truncated phase, illuminated fraction.
|
||||
func PhaseN(date time.Time, n int) float64 {
|
||||
return IlluminatedFractionN(date, n)
|
||||
// PhaseN 相位（n 变体），被照亮比例 / n-parameterised phase, illuminated fraction.
|
||||
func (module *Mercury) PhaseN(date time.Time, n int) float64 {
|
||||
return module.IlluminatedFractionN(date, n)
|
||||
}
|
||||
|
||||
// BrightLimbPositionAngle 亮面中心位置角，单位度 / bright limb position angle in degrees.
|
||||
func BrightLimbPositionAngle(date time.Time) float64 {
|
||||
return BrightLimbPositionAngleN(date, -1)
|
||||
func (module *Mercury) BrightLimbPositionAngle(date time.Time) float64 {
|
||||
return module.BrightLimbPositionAngleN(date, -1)
|
||||
}
|
||||
|
||||
// BrightLimbPositionAngleN 亮面中心位置角（截断版），单位度 / truncated bright limb position angle in degrees.
|
||||
func BrightLimbPositionAngleN(date time.Time, n int) float64 {
|
||||
return basic.MercuryBrightLimbPositionAngleN(phaseJD(date), n)
|
||||
// BrightLimbPositionAngleN 亮面中心位置角（n 变体），单位度 / n-parameterised bright limb position angle in degrees.
|
||||
func (module *Mercury) BrightLimbPositionAngleN(date time.Time, n int) float64 {
|
||||
return basic.MercuryBrightLimbPositionAngleNWithInstance(phaseJD(date), n, module.inst)
|
||||
}
|
||||
|
||||
func phaseJD(date time.Time) float64 {
|
||||
|
||||
+5
-5
@@ -21,14 +21,14 @@ type PhysicalInfo struct {
|
||||
}
|
||||
|
||||
// Physical 水星物理观测参数 / physical observing parameters of Mercury.
|
||||
func Physical(date time.Time) PhysicalInfo {
|
||||
return PhysicalN(date, -1)
|
||||
func (module *Mercury) Physical(date time.Time) PhysicalInfo {
|
||||
return module.PhysicalN(date, -1)
|
||||
}
|
||||
|
||||
// PhysicalN 水星物理观测参数（截断版） / truncated physical observing parameters of Mercury.
|
||||
func PhysicalN(date time.Time, n int) PhysicalInfo {
|
||||
// PhysicalN 水星物理观测参数（n 变体） / n-parameterised physical observing parameters of Mercury.
|
||||
func (module *Mercury) PhysicalN(date time.Time, n int) PhysicalInfo {
|
||||
jd := basic.Date2JD(date.UTC())
|
||||
info := basic.MercuryPhysicalN(basic.UTC2TT(jd), n)
|
||||
info := basic.MercuryPhysicalNWithInstance(basic.UTC2TT(jd), n, module.inst)
|
||||
return PhysicalInfo{
|
||||
SubEarthLongitude: info.SubEarthLongitude,
|
||||
SubEarthLatitude: info.SubEarthLatitude,
|
||||
|
||||
@@ -0,0 +1,33 @@
|
||||
package mercury
|
||||
|
||||
import (
|
||||
"time"
|
||||
|
||||
"b612.me/astro/basic"
|
||||
)
|
||||
|
||||
// RiseTimeWithAtmosphere 水星升起时刻，按给定气压（hPa）与气温（°C）计算大气折射 / rise time with explicit pressure and temperature.
|
||||
func (module *Mercury) RiseTimeWithAtmosphere(date time.Time, lon, lat, height, pressureHPa, temperatureC float64) (time.Time, error) {
|
||||
date = time.Date(date.Year(), date.Month(), date.Day(), 0, 0, 0, 0, date.Location())
|
||||
_, loc := date.Zone()
|
||||
jd, err := basic.MercuryRiseTimeWithAtmosphere(basic.Date2JD(date), lon, lat, float64(loc)/3600.0, height, pressureHPa, temperatureC, module.inst)
|
||||
return riseSetResult(date, jd, err)
|
||||
}
|
||||
|
||||
// SetTimeWithAtmosphere 水星落下时刻，按给定气压（hPa）与气温（°C）计算大气折射 / set time with explicit pressure and temperature.
|
||||
func (module *Mercury) SetTimeWithAtmosphere(date time.Time, lon, lat, height, pressureHPa, temperatureC float64) (time.Time, error) {
|
||||
date = time.Date(date.Year(), date.Month(), date.Day(), 0, 0, 0, 0, date.Location())
|
||||
_, loc := date.Zone()
|
||||
jd, err := basic.MercurySetTimeWithAtmosphere(basic.Date2JD(date), lon, lat, float64(loc)/3600.0, height, pressureHPa, temperatureC, module.inst)
|
||||
return riseSetResult(date, jd, err)
|
||||
}
|
||||
|
||||
// RiseTimeWithAtmosphere 水星升起时刻，按给定气压（hPa）与气温（°C）计算大气折射 / rise time with explicit pressure and temperature.
|
||||
func RiseTimeWithAtmosphere(date time.Time, lon, lat, height, pressureHPa, temperatureC float64) (time.Time, error) {
|
||||
return defaultModule.RiseTimeWithAtmosphere(date, lon, lat, height, pressureHPa, temperatureC)
|
||||
}
|
||||
|
||||
// SetTimeWithAtmosphere 水星落下时刻，按给定气压（hPa）与气温（°C）计算大气折射 / set time with explicit pressure and temperature.
|
||||
func SetTimeWithAtmosphere(date time.Time, lon, lat, height, pressureHPa, temperatureC float64) (time.Time, error) {
|
||||
return defaultModule.SetTimeWithAtmosphere(date, lon, lat, height, pressureHPa, temperatureC)
|
||||
}
|
||||
+29
-6
@@ -32,18 +32,18 @@ type TransitInfo struct {
|
||||
}
|
||||
|
||||
// NextTransit 下一次地心水星凌日 / next geocentric Mercury transit.
|
||||
func NextTransit(date time.Time) TransitInfo {
|
||||
return transitInfoFromBasic(basic.NextMercuryTransit(basic.Date2JD(date.UTC())), date.Location())
|
||||
func (module *Mercury) NextTransit(date time.Time) TransitInfo {
|
||||
return transitInfoFromBasic(basic.NextMercuryTransitWithInstance(basic.Date2JD(date.UTC()), module.inst), date.Location())
|
||||
}
|
||||
|
||||
// LastTransit 上一次地心水星凌日 / previous geocentric Mercury transit.
|
||||
func LastTransit(date time.Time) TransitInfo {
|
||||
return transitInfoFromBasic(basic.LastMercuryTransit(basic.Date2JD(date.UTC())), date.Location())
|
||||
func (module *Mercury) LastTransit(date time.Time) TransitInfo {
|
||||
return transitInfoFromBasic(basic.LastMercuryTransitWithInstance(basic.Date2JD(date.UTC()), module.inst), date.Location())
|
||||
}
|
||||
|
||||
// ClosestTransit 最近一次地心水星凌日 / closest geocentric Mercury transit.
|
||||
func ClosestTransit(date time.Time) TransitInfo {
|
||||
return transitInfoFromBasic(basic.ClosestMercuryTransit(basic.Date2JD(date.UTC())), date.Location())
|
||||
func (module *Mercury) ClosestTransit(date time.Time) TransitInfo {
|
||||
return transitInfoFromBasic(basic.ClosestMercuryTransitWithInstance(basic.Date2JD(date.UTC()), module.inst), date.Location())
|
||||
}
|
||||
|
||||
func transitInfoFromBasic(result basic.PlanetTransitResult, loc *time.Location) TransitInfo {
|
||||
@@ -71,3 +71,26 @@ func transitInfoFromBasic(result basic.PlanetTransitResult, loc *time.Location)
|
||||
}
|
||||
return info
|
||||
}
|
||||
|
||||
// LocalTransitInfo 站心水星凌日信息 / topocentric Mercury transit information.
|
||||
//
|
||||
// 时刻保持调用者传入的 TransitInfo 的时区；太阳高度为几何中心高度，不含折射。
|
||||
// Times keep the timezone of the supplied TransitInfo; Sun altitudes are geometric centre altitudes without refraction.
|
||||
type LocalTransitInfo = basic.PlanetTransitLocalInfo
|
||||
|
||||
// LocalTransitContact 站心凌日接触 / topocentric transit contact.
|
||||
type LocalTransitContact = basic.PlanetTransitLocalContactInfo
|
||||
|
||||
// LocalTransit 地心凌日 transit 在观测地的站心接触与凌甚 / topocentric contacts of transit seen from the site.
|
||||
//
|
||||
// lon、lat 为度，东经、北纬为正；height 为海拔米。
|
||||
// lon and lat are in degrees, east and north positive; height is in meters.
|
||||
func (module *Mercury) LocalTransit(transit TransitInfo, lon, lat, height float64) LocalTransitInfo {
|
||||
if !transit.Valid {
|
||||
return LocalTransitInfo{}
|
||||
}
|
||||
result := basic.PlanetTransitResultFromTimes(1,
|
||||
transit.Start, transit.InternalStart, transit.Greatest, transit.InternalEnd, transit.End)
|
||||
local := basic.PlanetTransitLocalWithInstance(result, basic.Observer{Longitude: lon, Latitude: lat, Height: height}, module.inst)
|
||||
return basic.PlanetTransitLocalInfoFromResult(local, transit.Greatest.Location())
|
||||
}
|
||||
|
||||
@@ -21,3 +21,22 @@ func TestTransitWrappers(t *testing.T) {
|
||||
t.Fatalf("unexpected durations: %+v", info)
|
||||
}
|
||||
}
|
||||
|
||||
func TestLocalTransitWrapper(t *testing.T) {
|
||||
loc := time.FixedZone("CST", 8*3600)
|
||||
info := NextTransit(time.Date(2019, 1, 1, 0, 0, 0, 0, loc))
|
||||
local := LocalTransit(info, -77.0, 38.9, 0)
|
||||
if !local.Valid || !local.HasInternal || !local.Visible {
|
||||
t.Fatalf("unexpected local transit: %+v", local)
|
||||
}
|
||||
if local.Greatest.Time.Location() != loc {
|
||||
t.Fatalf("timezone mismatch: %v", local.Greatest.Time.Location())
|
||||
}
|
||||
// 站心接触与地心接触只差视差引起的几十秒。
|
||||
if shift := local.Start.Time.Sub(info.Start); shift < -2*time.Minute || shift > 2*time.Minute {
|
||||
t.Fatalf("C1 shift %v", shift)
|
||||
}
|
||||
if LocalTransit(TransitInfo{}, 0, 0, 0).Valid {
|
||||
t.Fatal("invalid transit must give invalid local result")
|
||||
}
|
||||
}
|
||||
|
||||
+48
-49
@@ -5,100 +5,99 @@ import (
|
||||
|
||||
"b612.me/astro/basic"
|
||||
"b612.me/astro/calendar"
|
||||
"b612.me/astro/planet"
|
||||
)
|
||||
|
||||
// N variants keep the same semantics as the non-N APIs; n < 0 means full series.
|
||||
|
||||
// ApparentLoN 视黄经（截断版） / truncated apparent ecliptic longitude.
|
||||
func ApparentLoN(date time.Time, n int) float64 {
|
||||
// ApparentLoN 视黄经（n 变体） / n-parameterised apparent ecliptic longitude.
|
||||
func (module *Mercury) ApparentLoN(date time.Time, n int) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.MercuryApparentLoN(basic.UTC2TT(jd), n)
|
||||
return basic.MercuryApparentLoNWithInstance(basic.UTC2TT(jd), n, module.inst)
|
||||
}
|
||||
|
||||
// ApparentBoN 视黄纬（截断版） / truncated apparent ecliptic latitude.
|
||||
func ApparentBoN(date time.Time, n int) float64 {
|
||||
// ApparentBoN 视黄纬（n 变体） / n-parameterised apparent ecliptic latitude.
|
||||
func (module *Mercury) ApparentBoN(date time.Time, n int) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.MercuryApparentBoN(basic.UTC2TT(jd), n)
|
||||
return basic.MercuryApparentBoNWithInstance(basic.UTC2TT(jd), n, module.inst)
|
||||
}
|
||||
|
||||
// ApparentRaN 视赤经（截断版） / truncated apparent right ascension.
|
||||
func ApparentRaN(date time.Time, n int) float64 {
|
||||
// ApparentRaN 视赤经（n 变体） / n-parameterised apparent right ascension.
|
||||
func (module *Mercury) ApparentRaN(date time.Time, n int) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.MercuryApparentRaN(basic.UTC2TT(jd), n)
|
||||
return basic.MercuryApparentRaNWithInstance(basic.UTC2TT(jd), n, module.inst)
|
||||
}
|
||||
|
||||
// ApparentDecN 视赤纬（截断版） / truncated apparent declination.
|
||||
func ApparentDecN(date time.Time, n int) float64 {
|
||||
// ApparentDecN 视赤纬（n 变体） / n-parameterised apparent declination.
|
||||
func (module *Mercury) ApparentDecN(date time.Time, n int) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.MercuryApparentDecN(basic.UTC2TT(jd), n)
|
||||
return basic.MercuryApparentDecNWithInstance(basic.UTC2TT(jd), n, module.inst)
|
||||
}
|
||||
|
||||
// ApparentRaDecN 视赤经赤纬（截断版） / truncated apparent right ascension and declination.
|
||||
func ApparentRaDecN(date time.Time, n int) (float64, float64) {
|
||||
// ApparentRaDecN 视赤经赤纬（n 变体） / n-parameterised apparent right ascension and declination.
|
||||
func (module *Mercury) ApparentRaDecN(date time.Time, n int) (float64, float64) {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.MercuryApparentRaDecN(basic.UTC2TT(jd), n)
|
||||
return basic.MercuryApparentRaDecNWithInstance(basic.UTC2TT(jd), n, module.inst)
|
||||
}
|
||||
|
||||
// ApparentMagnitudeN 视星等（截断版） / truncated apparent magnitude.
|
||||
func ApparentMagnitudeN(date time.Time, n int) float64 {
|
||||
// ApparentMagnitudeN 视星等（n 变体） / n-parameterised apparent magnitude.
|
||||
func (module *Mercury) ApparentMagnitudeN(date time.Time, n int) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.MercuryMagN(basic.UTC2TT(jd), n)
|
||||
return basic.MercuryMagNWithInstance(basic.UTC2TT(jd), n, module.inst)
|
||||
}
|
||||
|
||||
// EarthDistanceN 地球距离（截断版） / truncated Earth distance.
|
||||
func EarthDistanceN(date time.Time, n int) float64 {
|
||||
// EarthDistanceN 地球距离（n 变体） / n-parameterised Earth distance.
|
||||
func (module *Mercury) EarthDistanceN(date time.Time, n int) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return basic.EarthMercuryAwayN(basic.UTC2TT(jd), n)
|
||||
return basic.EarthMercuryAwayNWithInstance(basic.UTC2TT(jd), n, module.inst)
|
||||
}
|
||||
|
||||
// SunDistanceN 太阳距离（截断版） / truncated Sun distance.
|
||||
func SunDistanceN(date time.Time, n int) float64 {
|
||||
// SunDistanceN 太阳距离（n 变体） / n-parameterised Sun distance.
|
||||
func (module *Mercury) SunDistanceN(date time.Time, n int) float64 {
|
||||
jd := calendar.Date2JD(date.UTC())
|
||||
return planet.WherePlanetN(1, 2, basic.UTC2TT(jd), n)
|
||||
return basic.PlanetCoordinateNWithInstance(1, 2, basic.UTC2TT(jd), n, module.inst)
|
||||
}
|
||||
|
||||
// AltitudeN 高度角（截断版） / truncated altitude angle.
|
||||
func AltitudeN(date time.Time, lon, lat float64, n int) float64 {
|
||||
// AltitudeN 站心视高度角（n 变体） / n-parameterised topocentric apparent altitude.
|
||||
func (module *Mercury) AltitudeN(date time.Time, lon, lat float64, n int) float64 {
|
||||
localJD := basic.Date2JD(date)
|
||||
_, loc := date.Zone()
|
||||
timezone := float64(loc) / 3600.0
|
||||
return basic.MercuryHeightN(localJD, lon, lat, timezone, n)
|
||||
return basic.MercuryHeightNWithInstance(localJD, lon, lat, timezone, n, module.inst)
|
||||
}
|
||||
|
||||
// ZenithN 天顶距（截断版） / truncated zenith distance.
|
||||
func ZenithN(date time.Time, lon, lat float64, n int) float64 {
|
||||
return 90 - AltitudeN(date, lon, lat, n)
|
||||
// ZenithN 天顶距（n 变体） / n-parameterised zenith distance.
|
||||
func (module *Mercury) ZenithN(date time.Time, lon, lat float64, n int) float64 {
|
||||
return 90 - module.AltitudeN(date, lon, lat, n)
|
||||
}
|
||||
|
||||
// AzimuthN 方位角（截断版） / truncated azimuth angle.
|
||||
func AzimuthN(date time.Time, lon, lat float64, n int) float64 {
|
||||
// AzimuthN 站心方位角（n 变体） / n-parameterised topocentric azimuth.
|
||||
func (module *Mercury) AzimuthN(date time.Time, lon, lat float64, n int) float64 {
|
||||
localJD := basic.Date2JD(date)
|
||||
_, loc := date.Zone()
|
||||
timezone := float64(loc) / 3600.0
|
||||
return basic.MercuryAzimuthN(localJD, lon, lat, timezone, n)
|
||||
return basic.MercuryAzimuthNWithInstance(localJD, lon, lat, timezone, n, module.inst)
|
||||
}
|
||||
|
||||
// HourAngleN 时角（截断版） / truncated hour angle.
|
||||
func HourAngleN(date time.Time, lon float64, n int) float64 {
|
||||
// HourAngleN 时角（n 变体） / n-parameterised hour angle.
|
||||
func (module *Mercury) HourAngleN(date time.Time, lon float64, n int) float64 {
|
||||
localJD := basic.Date2JD(date)
|
||||
_, loc := date.Zone()
|
||||
timezone := float64(loc) / 3600.0
|
||||
return basic.MercuryHourAngleN(localJD, lon, timezone, n)
|
||||
return basic.MercuryHourAngleNWithInstance(localJD, lon, timezone, n, module.inst)
|
||||
}
|
||||
|
||||
// CulminationTimeN 中天时间（截断版） / truncated culmination time.
|
||||
func CulminationTimeN(date time.Time, lon float64, n int) time.Time {
|
||||
// CulminationTimeN 中天时间（n 变体） / n-parameterised culmination time.
|
||||
func (module *Mercury) CulminationTimeN(date time.Time, lon float64, n int) time.Time {
|
||||
date = time.Date(date.Year(), date.Month(), date.Day(), 0, 0, 0, 0, date.Location())
|
||||
localJD := basic.Date2JD(date)
|
||||
_, loc := date.Zone()
|
||||
timezone := float64(loc) / 3600.0
|
||||
calcJD := basic.MercuryCulminationTimeN(localJD, lon, timezone, n) - timezone/24.0
|
||||
calcJD := basic.MercuryCulminationTimeNWithInstance(localJD, lon, timezone, n, module.inst) - timezone/24.0
|
||||
return basic.JD2DateByZone(calcJD, date.Location(), false)
|
||||
}
|
||||
|
||||
// RiseTimeN 升起时间（截断版） / truncated rise time.
|
||||
func RiseTimeN(date time.Time, lon, lat, height float64, aero bool, n int) (time.Time, error) {
|
||||
// RiseTimeN 升起时间（n 变体） / n-parameterised rise time.
|
||||
func (module *Mercury) RiseTimeN(date time.Time, lon, lat, height float64, aero bool, n int) (time.Time, error) {
|
||||
var aeroFloat float64
|
||||
if aero {
|
||||
aeroFloat = 1
|
||||
@@ -107,17 +106,17 @@ func RiseTimeN(date time.Time, lon, lat, height float64, aero bool, n int) (time
|
||||
localJD := basic.Date2JD(date)
|
||||
_, loc := date.Zone()
|
||||
timezone := float64(loc) / 3600.0
|
||||
riseJD, err := basic.MercuryRiseTimeN(localJD, lon, lat, timezone, aeroFloat, height, n)
|
||||
riseJD, err := basic.MercuryRiseTimeNWithInstance(localJD, lon, lat, timezone, aeroFloat, height, n, module.inst)
|
||||
return riseSetResult(date, riseJD, err)
|
||||
}
|
||||
|
||||
// DownTimeN 落下时间别名（截断版） / truncated down-time alias.
|
||||
func DownTimeN(date time.Time, lon, lat, height float64, aero bool, n int) (time.Time, error) {
|
||||
return SetTimeN(date, lon, lat, height, aero, n)
|
||||
// DownTimeN 落下时间别名（n 变体） / n-parameterised down-time alias.
|
||||
func (module *Mercury) DownTimeN(date time.Time, lon, lat, height float64, aero bool, n int) (time.Time, error) {
|
||||
return module.SetTimeN(date, lon, lat, height, aero, n)
|
||||
}
|
||||
|
||||
// SetTimeN 落下时间（截断版） / truncated set time.
|
||||
func SetTimeN(date time.Time, lon, lat, height float64, aero bool, n int) (time.Time, error) {
|
||||
// SetTimeN 落下时间（n 变体） / n-parameterised set time.
|
||||
func (module *Mercury) SetTimeN(date time.Time, lon, lat, height float64, aero bool, n int) (time.Time, error) {
|
||||
var aeroFloat float64
|
||||
if aero {
|
||||
aeroFloat = 1
|
||||
@@ -126,6 +125,6 @@ func SetTimeN(date time.Time, lon, lat, height float64, aero bool, n int) (time.
|
||||
localJD := basic.Date2JD(date)
|
||||
_, loc := date.Zone()
|
||||
timezone := float64(loc) / 3600.0
|
||||
riseJD, err := basic.MercurySetTimeN(localJD, lon, lat, timezone, aeroFloat, height, n)
|
||||
riseJD, err := basic.MercurySetTimeNWithInstance(localJD, lon, lat, timezone, aeroFloat, height, n, module.inst)
|
||||
return riseSetResult(date, riseJD, err)
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user