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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@@ -18,6 +18,8 @@ type LunarEclipseDiagramOptions struct {
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// StepDays 是路径采样步长,单位为日;<=0 时使用 5 分钟。
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// StepDays is the path sampling step in days; values <= 0 use five minutes.
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StepDays float64
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// LunarLimb 月缘剖面,nil 为圆月面;只精修接触时刻,月盘仍按圆面绘制 / lunar limb profile for contacts.
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LunarLimb LunarLimb
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}
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// LunarEclipseDiagramPoint 表示月食穿影图上的一个月心位置。
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@@ -88,8 +90,12 @@ func lunarEclipseDiagram(
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shadowModel lunarEclipseShadowModel,
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options LunarEclipseDiagramOptions,
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) LunarEclipseDiagramResult {
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return lunarEclipseDiagramWithInstance(seedJDE, shadowModel, options, nil)
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}
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func lunarEclipseDiagramWithInstance(seedJDE float64, shadowModel lunarEclipseShadowModel, options LunarEclipseDiagramOptions, inst *Instance) LunarEclipseDiagramResult {
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options = normalizeLunarEclipseDiagramOptions(options)
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eclipse := lunarEclipse(seedJDE, shadowModel)
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eclipse := LunarEclipseWithLunarLimb(lunarEclipseWithInstance(seedJDE, shadowModel, inst), options.LunarLimb, inst)
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result := LunarEclipseDiagramResult{
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Eclipse: eclipse,
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StepDays: options.StepDays,
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@@ -98,7 +104,7 @@ func lunarEclipseDiagram(
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return result
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}
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maximumState := computeLunarShadowState(eclipse.Maximum, shadowModel)
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maximumState := computeLunarShadowStateWithInstance(eclipse.Maximum, shadowModel, inst)
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if maximumState.moonRadiusRad <= 0 {
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return result
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}
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@@ -111,7 +117,7 @@ func lunarEclipseDiagram(
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result.StepDays = stepDays
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result.Points = make([]LunarEclipseDiagramPoint, 0, len(times))
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for _, item := range times {
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plane := lunarEclipsePlaneStateAt(item.jde)
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plane := lunarEclipsePlaneStateAtWithInstance(item.jde, inst)
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result.Points = append(result.Points, LunarEclipseDiagramPoint{
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JDE: item.jde,
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X: plane.x / maximumState.moonRadiusRad,
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