feat: 完善日月食与月掩几何链路并扩展历法接口
- 新增日月食中心带、偏食带、阴影足迹、等时线、食分线及升落边界计算,支持极区与混合食拓扑 - 新增日食单时刻阴影求解器、站心状态查询、批量采样和 ΔT 覆盖接口 - 重构恒星与行星月掩路径,补充有限盘面接触、站心修正、掩带宽度、极区投影及升落边界 - 扩展 SVG 与 GeoJSON 输出,支持详细面板、全球/极区/地球投影、边界闭合、时间标记和拓扑签名 - 扩展日月食候选搜索、局地搜索、沙罗序列预计算与范围外推,补充系列锚点和成员一致性校验 - 补齐古历纪年、儒略历独有闰日、多公历候选、历法改革跨日及精确日期运算接口 - 优化 ΔT、章动、恒星时、月球地平线、事件根搜索和本地星历缓存,降低重复计算开销并提升边界稳定
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@@ -115,8 +115,9 @@ func TopocentricEquatorial(date time.Time, ra, dec, observerLon, observerLat, di
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// distanceAU 为目标天体到地心距离,单位 AU;height 为观测者海拔,单位米。
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// distanceAU is geocentric distance in AU; height is observer elevation in meters.
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func TopocentricEcliptic(date time.Time, lon, lat, observerLon, observerLat, distanceAU, height float64) Ecliptic {
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topLon := basic.TopocentricLo(lon, lat, observerLat, observerLon, jdeUTC(date), distanceAU, height)
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topLat := basic.TopocentricBo(lon, lat, observerLat, observerLon, jdeUTC(date), distanceAU, height)
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jde := jdeUTC(date)
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topLon := basic.TopocentricLo(lon, lat, observerLat, observerLon, jde, distanceAU, height)
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topLat := basic.TopocentricBo(lon, lat, observerLat, observerLon, jde, distanceAU, height)
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return Ecliptic{Lon: topLon, Lat: topLat}
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}
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