b612
2bf8478639
- 新增日月食中心带、偏食带、阴影足迹、等时线、食分线及升落边界计算，支持极区与混合食拓扑 - 新增日食单时刻阴影求解器、站心状态查询、批量采样和 ΔT 覆盖接口 - 重构恒星与行星月掩路径，补充有限盘面接触、站心修正、掩带宽度、极区投影及升落边界 - 扩展 SVG 与 GeoJSON 输出，支持详细面板、全球/极区/地球投影、边界闭合、时间标记和拓扑签名 - 扩展日月食候选搜索、局地搜索、沙罗序列预计算与范围外推，补充系列锚点和成员一致性校验 - 补齐古历纪年、儒略历独有闰日、多公历候选、历法改革跨日及精确日期运算接口 - 优化 ΔT、章动、恒星时、月球地平线、事件根搜索和本地星历缓存，降低重复计算开销并提升边界稳定
92 lines
3.3 KiB
Go
92 lines
3.3 KiB
Go
package geojson_test
|
|
|
|
import (
|
|
"encoding/json"
|
|
"math"
|
|
"testing"
|
|
"time"
|
|
|
|
"b612.me/astro/eclipse"
|
|
"b612.me/astro/geojson"
|
|
)
|
|
|
|
func TestSolarPolarProjectedPhaseCoverage(t *testing.T) {
|
|
for _, date := range [][3]int{{163, 3, 22}, {564, 9, 21}, {936, 9, 18}, {1327, 9, 16}, {3429, 9, 21}, {3820, 9, 20}, {3932, 3, 20}, {4008, 3, 20}, {4026, 9, 24}} {
|
|
day := time.Date(date[0], time.Month(date[1]), date[2], 0, 0, 0, 0, time.UTC)
|
|
t.Run(day.Format("2006-01-02"), func(t *testing.T) {
|
|
partial, ok := eclipse.SolarEclipsePartialFootprints(day, eclipse.SolarEclipsePartialFootprintOptions{
|
|
Step: 5 * time.Minute, CentralShadowStep: 5 * time.Minute, RiseSetStep: 2 * time.Minute, BoundaryPoints: 96,
|
|
})
|
|
if !ok {
|
|
t.Fatal("missing eclipse")
|
|
}
|
|
data, err := geojson.MarshalSolarEclipse(partial, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
band := featureWithRole(t, decodeCollection(t, data), "partial-band")
|
|
var polygons [][][][]float64
|
|
if err := json.Unmarshal(band.Geometry.Coordinates, &polygons); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for _, curve := range partial.RiseSetCurves {
|
|
for _, segment := range curve.Segments {
|
|
for _, p := range segment {
|
|
if !geoJSONMultiPolygonContains(polygons, p.Longitude, p.Latitude) {
|
|
if miss := geoJSONMultiPolygonBoundaryDistanceKM(polygons, []float64{p.Longitude, p.Latitude}); miss > 2 {
|
|
t.Fatalf("projected phase point %.8f/%.8f misses by %.3f km", p.Longitude, p.Latitude, miss)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestSolarProjectedPolarAndPartialRingsDoNotCross(t *testing.T) {
|
|
for _, date := range [][3]int{{33, 9, 12}, {767, 4, 3}, {1527, 11, 23}, {2459, 5, 3}, {2981, 10, 19}, {3284, 2, 8}} {
|
|
day := time.Date(date[0], time.Month(date[1]), date[2], 0, 0, 0, 0, time.UTC)
|
|
t.Run(day.Format("2006-01-02"), func(t *testing.T) {
|
|
partial, ok := eclipse.SolarEclipsePartialFootprints(day, eclipse.SolarEclipsePartialFootprintOptions{
|
|
Step: 5 * time.Minute, CentralShadowStep: 5 * time.Minute, RiseSetStep: 2 * time.Minute, BoundaryPoints: 96,
|
|
})
|
|
if !ok {
|
|
t.Fatal("missing eclipse")
|
|
}
|
|
central, hasCentral := eclipse.SolarEclipseCentralPath(day, eclipse.SolarEclipsePathOptions{Step: time.Minute, TargetSpacingKM: 500})
|
|
var centralPath *eclipse.SolarEclipsePath
|
|
if hasCentral {
|
|
centralPath = ¢ral
|
|
}
|
|
data, err := geojson.MarshalSolarEclipse(partial, centralPath)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for _, f := range decodeCollection(t, data).Features {
|
|
if f.Properties["role"] != "partial-band" && f.Properties["role"] != "central-band" {
|
|
continue
|
|
}
|
|
var polygons [][][][]float64
|
|
if err := json.Unmarshal(f.Geometry.Coordinates, &polygons); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for pi, polygon := range polygons {
|
|
for _, ring := range polygon {
|
|
for i := 0; i+1 < len(ring); i++ {
|
|
for j := i + 2; j+1 < len(ring); j++ {
|
|
if i == 0 && j+1 == len(ring)-1 || math.Abs(ring[i][0]) == 180 && math.Abs(ring[i+1][0]) == 180 || math.Abs(ring[j][0]) == 180 && math.Abs(ring[j+1][0]) == 180 {
|
|
continue
|
|
}
|
|
if geoJSONSegmentsCross(ring[i], ring[i+1], ring[j], ring[j+1]) {
|
|
t.Fatalf("%s component %d crosses at %d/%d: %v %v / %v %v", f.Properties["role"], pi, i, j, ring[i], ring[i+1], ring[j], ring[j+1])
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|