b612
044f2f4381
- 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
47 lines
1.7 KiB
Go
47 lines
1.7 KiB
Go
package moon
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// 外部基准：2017-09-18 轩辕十四掠掩（IOTA 实测 5 段）。内置剖面不保证段数，只钉住主遮挡段与实测最后一段相差不超过 1 s。
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import (
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"math"
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"testing"
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"time"
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"b612.me/astro/moon/limb"
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)
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func TestRegulusGraze20170918MatchesMainObservedInterval(t *testing.T) {
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regulus := StarCoordinate{
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ID: "HIP 49669", RA: 152.09358042, Dec: 11.96719519,
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Epoch: time.Date(1991, time.April, 2, 13, 30, 0, 0, time.UTC), Frame: CoordinateFrameICRS,
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ProperMotionRACosDecMasPerYear: -248.73, ProperMotionDecMasPerYear: 5.59,
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ParallaxMas: 41.13, RadialVelocityKmPerSecond: 6,
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}
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const lon, lat, height = 22.966666666666667, 38.98208333333333, 85
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start := time.Date(2017, time.September, 18, 3, 0, 0, 0, time.UTC)
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events, err := FindStarOccultations(start, start.Add(time.Hour), regulus, lon, lat, height,
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OccultationSearchOptions{LunarLimb: limb.Default()})
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if err != nil || len(events) != 1 {
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t.Fatalf("FindStarOccultations() = %d events, %v; want one", len(events), err)
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}
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profile, err := StarOccultationLimbProfile(events[0], regulus, limb.Default(), StarOccultationLimbProfileOptions{})
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if err != nil {
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t.Fatal(err)
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}
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if len(profile.Hidden) == 0 {
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t.Fatal("graze reports no hidden interval")
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}
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main := profile.Hidden[len(profile.Hidden)-1]
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for _, pair := range []struct {
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name string
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got, observed time.Time
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}{
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{"disappearance", main.Start, time.Date(2017, time.September, 18, 3, 29, 48, 0, time.UTC)},
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{"reappearance", main.End, time.Date(2017, time.September, 18, 3, 30, 2, 950_000_000, time.UTC)},
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} {
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if d := pair.got.Sub(pair.observed).Seconds(); math.Abs(d) > 1 {
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t.Errorf("%s %v is %.2f s from the observed %v", pair.name, pair.got, d, pair.observed)
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}
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}
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}
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