starainrt
3ffdbe0034
- 新增日食、月食、本地可见性、中心线、半影区域、SVG 图示与沙罗周期信息 - 新增行星冲合、留、方照、物理星历、视直径、相位、亮肢角、轨道节点等计算 - 新增木星伽利略卫星位置、现象与接触事件计算 - 新增恒星星表、星座判定、自行修正与观测辅助能力 - 新增 coord、formula、orbit、sundial、lite/sun、lite/moon 等扩展包 - 完善农历年号、月相英文别名、视差角、大气质量、折射、日晷与双星计算 - 增加 NASA、JPL Horizons、IMCCE 等回归测试数据与基线测试 - 重构基础算法文件组织，补充大量公开 API 注释和语义回归测试 - 更新中文和英文 README，补充示例、精度说明、SVG 配图
62 lines
2.9 KiB
Go
62 lines
2.9 KiB
Go
package basic
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import (
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"time"
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)
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type venusEventFunc func(float64) float64
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type venusEventCase struct {
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name string
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tolerance float64
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fn venusEventFunc
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}
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func venusEventSamples() []time.Time {
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start := time.Date(1994, 2, 3, 4, 56, 12, 345000000, time.UTC)
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samples := make([]time.Time, 0, 96)
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for i := 0; i < 48; i++ {
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d := start.AddDate(0, 0, i*173)
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d = d.Add(time.Duration((i%9)*5)*time.Hour + time.Duration((i%7)*11)*time.Minute + time.Duration((i%13)*13)*time.Second)
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samples = append(samples, d)
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}
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extraStart := start.AddDate(0, 0, 29)
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for i := 0; i < 48; i++ {
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d := extraStart.AddDate(0, 0, i*127)
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d = d.Add(time.Duration((i%8)*6)*time.Hour + time.Duration((i%10)*13)*time.Minute + time.Duration((i%15)*17)*time.Second)
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samples = append(samples, d)
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}
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return samples
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}
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func venusEventSampleTTJD(date time.Time) float64 {
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return TD2UT(Date2JDE(date.UTC()), true)
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}
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func venusEventCases() []venusEventCase {
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const (
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conjunctionTolerance = 0.00001
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searchTolerance = 30.0 / 86400.0
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)
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return []venusEventCase{
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{name: "LastVenusConjunction", tolerance: conjunctionTolerance, fn: LastVenusConjunction},
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{name: "NextVenusConjunction", tolerance: conjunctionTolerance, fn: NextVenusConjunction},
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{name: "LastVenusInferiorConjunction", tolerance: conjunctionTolerance, fn: LastVenusInferiorConjunction},
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{name: "NextVenusInferiorConjunction", tolerance: conjunctionTolerance, fn: NextVenusInferiorConjunction},
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{name: "LastVenusSuperiorConjunction", tolerance: conjunctionTolerance, fn: LastVenusSuperiorConjunction},
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{name: "NextVenusSuperiorConjunction", tolerance: conjunctionTolerance, fn: NextVenusSuperiorConjunction},
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{name: "LastVenusRetrograde", tolerance: searchTolerance, fn: LastVenusRetrograde},
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{name: "NextVenusRetrograde", tolerance: searchTolerance, fn: NextVenusRetrograde},
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{name: "LastVenusProgradeToRetrograde", tolerance: searchTolerance, fn: LastVenusProgradeToRetrograde},
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{name: "NextVenusProgradeToRetrograde", tolerance: searchTolerance, fn: NextVenusProgradeToRetrograde},
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{name: "LastVenusRetrogradeToPrograde", tolerance: searchTolerance, fn: LastVenusRetrogradeToPrograde},
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{name: "NextVenusRetrogradeToPrograde", tolerance: searchTolerance, fn: NextVenusRetrogradeToPrograde},
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{name: "LastVenusGreatestElongation", tolerance: searchTolerance, fn: LastVenusGreatestElongation},
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{name: "NextVenusGreatestElongation", tolerance: searchTolerance, fn: NextVenusGreatestElongation},
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{name: "LastVenusGreatestElongationEast", tolerance: searchTolerance, fn: LastVenusGreatestElongationEast},
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{name: "NextVenusGreatestElongationEast", tolerance: searchTolerance, fn: NextVenusGreatestElongationEast},
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{name: "LastVenusGreatestElongationWest", tolerance: searchTolerance, fn: LastVenusGreatestElongationWest},
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{name: "NextVenusGreatestElongationWest", tolerance: searchTolerance, fn: NextVenusGreatestElongationWest},
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}
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}
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