b612
044f2f4381
- 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
73 lines
2.6 KiB
Go
73 lines
2.6 KiB
Go
package moon
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import (
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"time"
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"b612.me/astro/basic"
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)
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// ConjunctionPlanet 月球合月目标行星 / target planet for Moon-planet conjunction.
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type ConjunctionPlanet string
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const (
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ConjunctionMercury ConjunctionPlanet = "mercury"
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ConjunctionVenus ConjunctionPlanet = "venus"
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ConjunctionMars ConjunctionPlanet = "mars"
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ConjunctionJupiter ConjunctionPlanet = "jupiter"
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ConjunctionSaturn ConjunctionPlanet = "saturn"
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ConjunctionUranus ConjunctionPlanet = "uranus"
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ConjunctionNeptune ConjunctionPlanet = "neptune"
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)
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func conjunctionPlanetToBasic(planet ConjunctionPlanet) basic.MoonPlanetConjunctionPlanet {
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switch planet {
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case ConjunctionMercury:
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return basic.MoonPlanetConjunctionMercury
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case ConjunctionVenus:
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return basic.MoonPlanetConjunctionVenus
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case ConjunctionMars:
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return basic.MoonPlanetConjunctionMars
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case ConjunctionJupiter:
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return basic.MoonPlanetConjunctionJupiter
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case ConjunctionSaturn:
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return basic.MoonPlanetConjunctionSaturn
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case ConjunctionUranus:
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return basic.MoonPlanetConjunctionUranus
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case ConjunctionNeptune:
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return basic.MoonPlanetConjunctionNeptune
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default:
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return 0
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}
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}
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func validConjunctionPlanet(planet ConjunctionPlanet) bool {
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return conjunctionPlanetToBasic(planet) != 0
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}
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// LastConjunctionWithPlanet 上一次行星合月（赤经合） / previous Moon-planet conjunction.
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func (module *Moon) LastConjunctionWithPlanet(date time.Time, planet ConjunctionPlanet) time.Time {
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if !validConjunctionPlanet(planet) {
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return time.Time{}
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}
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jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
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return basic.JD2DateByZone(basic.LastMoonPlanetConjunctionWithInstance(jde, conjunctionPlanetToBasic(planet), module.inst), date.Location(), false)
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}
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// NextConjunctionWithPlanet 下一次行星合月（赤经合） / next Moon-planet conjunction.
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func (module *Moon) NextConjunctionWithPlanet(date time.Time, planet ConjunctionPlanet) time.Time {
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if !validConjunctionPlanet(planet) {
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return time.Time{}
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}
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jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
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return basic.JD2DateByZone(basic.NextMoonPlanetConjunctionWithInstance(jde, conjunctionPlanetToBasic(planet), module.inst), date.Location(), false)
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}
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// ClosestConjunctionWithPlanet 最近一次行星合月（赤经合） / closest Moon-planet conjunction.
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func (module *Moon) ClosestConjunctionWithPlanet(date time.Time, planet ConjunctionPlanet) time.Time {
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if !validConjunctionPlanet(planet) {
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return time.Time{}
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}
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jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
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return basic.JD2DateByZone(basic.ClosestMoonPlanetConjunctionWithInstance(jde, conjunctionPlanetToBasic(planet), module.inst), date.Location(), false)
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}
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