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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@@ -1,6 +1,7 @@
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package svg
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import (
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"b612.me/astro/internal/limbnote"
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"b612.me/astro/internal/timenote"
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"fmt"
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"html"
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@@ -73,6 +74,8 @@ type LunarEclipseSVGOptions struct {
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// TimeScale selects the label scale: the zero value is UTC; TimeScaleUT1 uses UT1 labels and requires
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// Location to be nil or UTC (otherwise the renderer returns false).
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TimeScale astro.TimeScale
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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, nil for circular; refines contacts only.
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LunarLimb basic.LunarLimb
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}
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type lunarEclipseSVGCalculator func(float64, basic.LunarEclipseDiagramOptions) basic.LunarEclipseDiagramResult
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@@ -164,7 +167,8 @@ func lunarEclipseSVG(
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}
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options = normalizeLunarEclipseSVGOptions(options)
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diagram := calculator(timeToTTJDE(date), basic.LunarEclipseDiagramOptions{
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StepDays: durationToDays(options.Step),
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StepDays: durationToDays(options.Step),
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LunarLimb: options.LunarLimb,
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})
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if diagram.Eclipse.Type == basic.LunarEclipseNone || len(diagram.Points) == 0 {
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return "", false
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@@ -1045,7 +1049,8 @@ func lunarEclipseSVGFooterLines(direction string, info LunarEclipseInfo, options
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if maxLines < 1 {
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maxLines = 1
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}
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note := timenote.Scale(options.TimeScale, info.Maximum, options.Location, options.Language)
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note := limbnote.Join(timenote.Scale(options.TimeScale, info.Maximum, options.Location, options.Language),
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limbnote.Contacts(info.LunarLimbApplied, options.Language), options.Language)
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lines := []string{lunarEclipseSVGFooterNoteText(options)}
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if options.FooterNote != "" {
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lines = svgchart.WrapText(options.FooterNote, float64(options.Width)-80, fontSize)
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