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
83 lines
2.9 KiB
Go
83 lines
2.9 KiB
Go
package geojson_test
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import (
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"testing"
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"time"
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"b612.me/astro/basic"
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"b612.me/astro/geojson"
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"b612.me/astro/internal/geodata"
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"b612.me/astro/moon"
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)
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func TestOccultationDistantEnvelopesRemainComplete(t *testing.T) {
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if testing.Short() {
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t.Skip("slow regression")
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}
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if err := basic.LoadStarData(); err != nil {
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t.Fatal(err)
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}
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for _, test := range []struct {
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name string
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year, month, day int
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planet moon.OccultationPlanet
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hr int
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}{
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{"mercury", 26, 4, 4, moon.OccultationMercury, 0},
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{"aldebaran", 26, 7, 26, "", 1457},
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{"regulus", 4026, 12, 14, "", 3982},
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{"saturn", 4026, 12, 29, moon.OccultationSaturn, 0},
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{"mars-fold", 1426, 7, 1, moon.OccultationMars, 0},
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{"venus-tangent", 1227, 5, 19, moon.OccultationVenus, 0},
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{"jupiter-horizon", 1226, 12, 23, moon.OccultationJupiter, 0},
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{"jupiter-time", 3627, 9, 20, moon.OccultationJupiter, 0},
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} {
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for _, algorithm := range []moon.OccultationPathAlgorithm{moon.OccultationPathAlgorithmExact, moon.OccultationPathAlgorithmOptimized} {
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t.Run(test.name+"/"+string(algorithm), func(t *testing.T) {
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day := time.Date(test.year, time.Month(test.month), test.day, 0, 0, 0, 0, time.UTC)
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options := moon.OccultationPathOptions{Algorithm: algorithm, Step: 20 * time.Minute, TargetSpacingKM: 900, DisableFootprints: true, RiseSetStep: time.Minute}
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var data []byte
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var err error
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role := "partial-band"
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if test.hr == 0 {
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paths, findErr := moon.FindPlanetOccultationPaths(day.Add(-12*time.Hour), day.Add(36*time.Hour), test.planet, options)
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if findErr != nil || len(paths) != 1 {
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t.Fatalf("paths=%d err=%v", len(paths), findErr)
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}
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data, err = geojson.MarshalPlanetOccultation(paths[0])
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} else {
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catalog, catalogErr := basic.StarDataByHR(test.hr)
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if catalogErr != nil {
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t.Fatal(catalogErr)
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}
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star, starErr := moon.StarCoordinateFromStarData(catalog)
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if starErr != nil {
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t.Fatal(starErr)
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}
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paths, findErr := moon.FindStarOccultationPaths(day.Add(-12*time.Hour), day.Add(36*time.Hour), star, options)
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if findErr != nil || len(paths) != 1 {
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t.Fatalf("paths=%d err=%v", len(paths), findErr)
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}
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data, err = geojson.MarshalStarOccultation(paths[0])
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role = "occultation-band"
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}
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if err != nil {
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t.Fatal(err)
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}
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collection := decodeCollection(t, data)
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assertCollectionCoordinates(t, collection)
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band := featureWithRole(t, collection, role)
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assertClosedMultiPolygon(t, band)
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if test.hr == 0 {
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assertOccultationP2PhaseCurvesInsidePartialBand(t, collection, 2)
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partial := geoJSONMultiPolygonOuterRings(t, band)
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total := geoJSONMultiPolygonOuterRings(t, featureWithRole(t, collection, "total-band"))
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if miss := geodata.SphericalPolygonsPathMissDistanceKM(partial, total, true); miss > 2 {
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t.Fatalf("total extends %.3f km beyond partial", miss)
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}
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}
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})
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}
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}
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}
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