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
60 lines
2.3 KiB
Go
60 lines
2.3 KiB
Go
package jupiter
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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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// GalileanSatellitePhenomenon 木星伽利略卫星瞬时现象 / instantaneous Galilean-satellite phenomena.
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//
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// Transit 为凌日，Occultation 为掩蔽，Eclipse 为进入木星本影，ShadowTransit 为卫星影子落在可见木星盘面上。
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// ShadowOffset* 仅在 ShadowTransit 为 true 时有意义。
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// Transit means a transit across Jupiter's disk, Occultation means hidden behind Jupiter, Eclipse means inside Jupiter's umbra, and ShadowTransit means the shadow falls on the visible Jovian disk.
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// ShadowOffset* are meaningful only when ShadowTransit is true.
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type GalileanSatellitePhenomenon struct {
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Transit bool
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Occultation bool
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Eclipse bool
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ShadowTransit bool
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ShadowOffsetXArcsec float64
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ShadowOffsetYArcsec float64
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ShadowOffsetXJupiterR float64
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ShadowOffsetYJupiterR float64
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}
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// GalileanPhenomenaInfo 四颗伽利略卫星瞬时现象 / instantaneous phenomena of the four Galilean satellites.
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type GalileanPhenomenaInfo struct {
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Io GalileanSatellitePhenomenon
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Europa GalileanSatellitePhenomenon
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Ganymede GalileanSatellitePhenomenon
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Callisto GalileanSatellitePhenomenon
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}
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// SatellitePhenomena 木星四颗伽利略卫星瞬时现象 / instantaneous phenomena of Jupiter's four Galilean satellites.
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func (module *Jupiter) SatellitePhenomena(date time.Time) GalileanPhenomenaInfo {
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jde := basic.UTC2TT(basic.Date2JD(date.UTC()))
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phenomena := basic.JupiterGalileanSatellitePhenomenaWithInstance(jde, module.inst)
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return GalileanPhenomenaInfo{
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Io: galileanPhenomenonFromBasic(phenomena[0]),
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Europa: galileanPhenomenonFromBasic(phenomena[1]),
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Ganymede: galileanPhenomenonFromBasic(phenomena[2]),
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Callisto: galileanPhenomenonFromBasic(phenomena[3]),
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}
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}
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func galileanPhenomenonFromBasic(phenomenon basic.JupiterGalileanPhenomenon) GalileanSatellitePhenomenon {
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return GalileanSatellitePhenomenon{
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Transit: phenomenon.Transit,
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Occultation: phenomenon.Occultation,
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Eclipse: phenomenon.Eclipse,
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ShadowTransit: phenomenon.ShadowTransit,
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ShadowOffsetXArcsec: phenomenon.ShadowOffsetXArcsec,
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ShadowOffsetYArcsec: phenomenon.ShadowOffsetYArcsec,
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ShadowOffsetXJupiterR: phenomenon.ShadowOffsetXJupiterRadii,
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ShadowOffsetYJupiterR: phenomenon.ShadowOffsetYJupiterRadii,
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}
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}
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