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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+6
-9
@@ -7,26 +7,23 @@ import (
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)
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// TimeScale 导出时间标签的时标,零值为民用 UTC / output-label time scale, defaulting to civil UTC.
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type TimeScale int
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type TimeScale = basic.TimeScale
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const (
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// TimeScaleUTC 默认民用时标 / default civil time scale.
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TimeScaleUTC TimeScale = iota
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TimeScaleUTC = basic.TimeScaleUTC
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// TimeScaleUT1 UT1 读数,输出 Location 须为 nil 或 UTC / UT1 reading; output Location must be nil or UTC.
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TimeScaleUT1
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TimeScaleUT1 = basic.TimeScaleUT1
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)
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// LabelIn 把民用时刻换成该时标下的时刻值 / converts a civil instant to a value in one scale.
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func LabelIn(scale TimeScale, date time.Time) time.Time {
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if scale == TimeScaleUT1 {
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return UT1FromUTC(date)
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}
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return date
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return basic.LabelIn(scale, date)
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}
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// UT1FromUTC 民用时刻转 UT1 读数,以 UTC Location 承载 / converts a civil instant to a UT1 reading in a UTC Location.
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func UT1FromUTC(date time.Time) time.Time {
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return utcLabel(basic.UTC2UT1(basic.Date2JD(date.UTC())))
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return basic.UT1FromUTC(date)
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}
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// UTCFromUT1 是 UT1FromUTC 的逆 / inverts UT1FromUTC.
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@@ -46,7 +43,7 @@ func UTCFromTT(tt time.Time) time.Time {
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// DUT1 返回民用时刻的 UT1−UTC,单位秒 / UT1−UTC in seconds.
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func DUT1(date time.Time) float64 {
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return basic.DUT1Seconds(basic.Date2JD(date.UTC()))
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return basic.DUT1(date)
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}
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// TCGFromTT 地球时转地心坐标时 / converts TT to TCG.
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