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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@@ -4,6 +4,8 @@ import (
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"math"
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"testing"
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"time"
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"b612.me/astro/internal/ephemtest"
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)
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// 掩带两条横向口径的契约:WidthKM 是中心线采样处的地面横向宽度,南北限是外接触锥的擦边切点轨迹,
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@@ -240,6 +242,7 @@ func TestPlanetOccultationWidthKMIsGroundCrossTrackWidth(t *testing.T) {
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}
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func TestPlanetOccultationLimitSeparationMatchesExportedLimits(t *testing.T) {
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values := ephemtest.NewValues(t, "occultation_limit_anchors")
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for _, fixture := range occultationLimitFixtures() {
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path := occultationLimitPath(t, fixture)
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nearestIndex, nearestDelta := 0, math.Inf(1)
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@@ -279,15 +282,17 @@ func TestPlanetOccultationLimitSeparationMatchesExportedLimits(t *testing.T) {
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{name: "greatest limit separation", got: path.GreatestLimitSeparationKM, want: fixture.limitSeparationKM},
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{name: "greatest total width", got: path.GreatestTotalWidthKM, want: fixture.totalWidthKM},
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} {
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if difference := math.Abs(anchor.got - anchor.want); difference > occultationLimitAnchorToleranceKM {
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want := values.Want(fixture.name+"/"+anchor.name, anchor.want, anchor.got)
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if difference := math.Abs(anchor.got - want); difference > occultationLimitAnchorToleranceKM {
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t.Fatalf("%s: %s=%.6f km, want %.6f km within %.3f km",
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fixture.name, anchor.name, anchor.got, anchor.want, occultationLimitAnchorToleranceKM)
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fixture.name, anchor.name, anchor.got, want, occultationLimitAnchorToleranceKM)
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}
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}
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ratio := path.GreatestLimitSeparationKM / path.Greatest.WidthKM
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if math.Abs(ratio-fixture.limitRatio) > occultationLimitRatioTolerance {
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wantRatio := values.Want(fixture.name+"/limit ratio", fixture.limitRatio, ratio)
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if math.Abs(ratio-wantRatio) > occultationLimitRatioTolerance {
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t.Fatalf("%s: limit separation/width=%.6f, want %.6f within %.4f",
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fixture.name, ratio, fixture.limitRatio, occultationLimitRatioTolerance)
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fixture.name, ratio, wantRatio, occultationLimitRatioTolerance)
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}
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if path.GreatestTotalWidthKM >= path.Greatest.WidthKM {
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t.Fatalf("%s: total width=%.6f must stay below the outer width=%.6f",
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@@ -342,6 +347,8 @@ func TestStarOccultationLimitSeparationMatchesExportedLimits(t *testing.T) {
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// 于是 Saturn 2024-08-21 的 CenterLine[160] 少 47.9 km(3810.7491 对 3858.7641)、
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// Venus 1227-05-19 的 CenterLine[15] 少 158.6 km(6047.4858 对 6206.0535)。
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func TestPlanetOccultationGrazingEndpointWidthAnchors(t *testing.T) {
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// 夹具按旧模型几何选取,用来覆盖该边界分支。
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ephemtest.PinLegacy(t)
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testCases := []struct {
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name string
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planet OccultationPlanet
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