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feat: 完善时标与天象几何计算并扩展输出接口

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- 新增时标、ΔT 模型、质心时间与 UT1 支持
- 改进日月食、月掩、行星事件及路径边界计算
- 完善恒星三维自行与动态距离传播
- 扩展 SVG、GeoJSON、KML 输出与底层距离换算工具
- 整理中英文手册、示例资源及回归测试
This commit is contained in:
兔子
2026-09-23 18:55:12 +08:00
parent 1f31a9b5b5
commit 16c62a97d5
503 changed files with 33290 additions and 9471 deletions
Download Patch File Download Diff File Expand all files Collapse all files
basic/solar_eclipse_noncentral_band.go
+13 -13
View File
@@ -441,12 +441,12 @@ func (solver solarEclipseSolver) appendRefinedSolarEclipseCentralHorizonSegment(
depth >= 16 || end.JDE-start.JDE <= solarEclipsePathMinStepDays {
return append(points, end)
}
jd := (start.JDE + end.JDE) / 2
jde := (start.JDE + end.JDE) / 2
longitude := normalizeLongitude(
start.Longitude + math.Remainder(end.Longitude-start.Longitude, 360)/2,
)
latitude := (start.Latitude + end.Latitude) / 2
evaluation := solver.magnitudeEvaluationAt(jd)
evaluation := solver.magnitudeEvaluationAt(jde)
longitude, latitude, ok := riseSetRefineGeographicRoot(
longitude,
latitude,
@@ -465,7 +465,7 @@ func (solver solarEclipseSolver) appendRefinedSolarEclipseCentralHorizonSegment(
return append(points, end)
}
middle := SolarEclipsePathPoint{
JDE: jd, Longitude: longitude, Latitude: latitude, SunAltitude: state.sunAltitudeRad / rad,
JDE: jde, Longitude: longitude, Latitude: latitude, SunAltitude: state.sunAltitudeRad / rad,
}
points = solver.appendRefinedSolarEclipseCentralHorizonSegment(points, start, middle, depth+1)
return solver.appendRefinedSolarEclipseCentralHorizonSegment(points, middle, end, depth+1)
@@ -558,9 +558,9 @@ func (solver solarEclipseSolver) validNonCentralBandState(
referenceJDE float64,
iterations int,
) (solarEclipseNonCentralBandState, int, bool) {
jd := referenceJDE + coordinates[2]/solarEclipseNonCentralBandTimeScale
jde := referenceJDE + coordinates[2]/solarEclipseNonCentralBandTimeScale
longitude, latitude := normalizeLongitude(coordinates[0]), coordinates[1]
evaluation := solver.magnitudeEvaluationAt(jd)
evaluation := solver.magnitudeEvaluationAt(jde)
state := evaluation.center.stateAt(longitude*rad, latitude*rad, 0)
if math.Abs(solarEclipseCentralContactGap(state)) > 1e-6 ||
math.Abs(evaluation.centralContactDerivative(longitude, latitude)) >
@@ -576,7 +576,7 @@ func (solver solarEclipseSolver) validNonCentralBandState(
coordinates: coordinates,
tangent: tangent,
point: SolarEclipsePathPoint{
JDE: jd, Longitude: longitude, Latitude: latitude, SunAltitude: state.sunAltitudeRad / rad,
JDE: jde, Longitude: longitude, Latitude: latitude, SunAltitude: state.sunAltitudeRad / rad,
},
}, iterations, true
}
@@ -585,9 +585,9 @@ func (solver solarEclipseSolver) nonCentralBandBoundaryJacobian(
coordinates [3]float64,
referenceJDE float64,
) ([2]float64, [2][3]float64, bool) {
jd := referenceJDE + coordinates[2]/solarEclipseNonCentralBandTimeScale
jde := referenceJDE + coordinates[2]/solarEclipseNonCentralBandTimeScale
longitude, latitude := normalizeLongitude(coordinates[0]), coordinates[1]
evaluation := solver.magnitudeEvaluationAt(jd)
evaluation := solver.magnitudeEvaluationAt(jde)
residual, ok := solarEclipseNonCentralBandBoundaryResidualAt(evaluation, longitude, latitude)
if !ok {
return [2]float64{}, [2][3]float64{}, false
@@ -605,7 +605,7 @@ func (solver solarEclipseSolver) nonCentralBandBoundaryJacobian(
jacobian[row][column] = (shiftedResidual[row] - residual[row]) / steps[column]
}
}
timeEvaluation := solver.magnitudeEvaluationAt(jd + steps[2]/solarEclipseNonCentralBandTimeScale)
timeEvaluation := solver.magnitudeEvaluationAt(jde + steps[2]/solarEclipseNonCentralBandTimeScale)
timeResidual, timeOK := solarEclipseNonCentralBandBoundaryResidualAt(
timeEvaluation, longitude, latitude,
)
@@ -668,13 +668,13 @@ func (solver solarEclipseSolver) refineNonCentralBandHorizonGapCrossing(
best, bestGap = second, math.Abs(secondGap)
}
for iteration := 0; iteration < 64; iteration++ {
jd := (first.JDE + second.JDE) / 2
fraction := (jd - first.JDE) / (second.JDE - first.JDE)
jde := (first.JDE + second.JDE) / 2
fraction := (jde - first.JDE) / (second.JDE - first.JDE)
longitude := normalizeLongitude(
first.Longitude + fraction*math.Remainder(second.Longitude-first.Longitude, 360),
)
latitude := first.Latitude + fraction*(second.Latitude-first.Latitude)
evaluation := solver.magnitudeEvaluationAt(jd)
evaluation := solver.magnitudeEvaluationAt(jde)
longitude, latitude, ok := riseSetRefineGeographicRoot(
longitude,
latitude,
@@ -690,7 +690,7 @@ func (solver solarEclipseSolver) refineNonCentralBandHorizonGapCrossing(
state := evaluation.center.stateAt(longitude*rad, latitude*rad, 0)
middleGap := solarEclipseCentralContactGap(state)
middle := SolarEclipsePathPoint{
JDE: jd, Longitude: longitude, Latitude: latitude, SunAltitude: state.sunAltitudeRad / rad,
JDE: jde, Longitude: longitude, Latitude: latitude, SunAltitude: state.sunAltitudeRad / rad,
}
if math.Abs(middleGap) < bestGap {
best, bestGap = middle, math.Abs(middleGap)