43 lines
1.8 KiB
Go
43 lines
1.8 KiB
Go
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package moon
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import (
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"time"
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"b612.me/astro/basic"
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)
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// AltitudeLimb 取高度的位置（上缘、中心、下缘）/ limb used for the altitude.
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type AltitudeLimb = basic.AltitudeLimb
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const (
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LimbUpper = basic.AltitudeLimbUpper
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LimbCenter = basic.AltitudeLimbCenter
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LimbLower = basic.AltitudeLimbLower
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)
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// AltitudeOptions 升落选项；零值为上缘、标准气象、计入折射 / altitude crossing options.
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type AltitudeOptions = basic.AltitudeCrossingOptions
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// AltitudeState 一个民用日内的穿越状态 / crossing state over one civil day.
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type AltitudeState = basic.AltitudeCrossingState
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const (
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AltitudeCrosses = basic.AltitudeCrosses
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AltitudeAlwaysAbove = basic.AltitudeAlwaysAbove
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AltitudeAlwaysBelow = basic.AltitudeAlwaysBelow
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AltitudeTangent = basic.AltitudeTangent
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)
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// AltitudeCrossingResult date 所在民用日内首次升、落与残差范围（度）/ first rise and set on the civil day.
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type AltitudeCrossingResult = basic.AltitudeCrossingResult
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// RiseSet 月球在 date 所在民用日内穿过观测者地平线（含 height 带来的地平俯角）的升落；options 控制月缘与大气 / lunar rise and set on the civil day.
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func (module *Moon) RiseSet(date time.Time, lon, lat, height float64, options AltitudeOptions) (AltitudeCrossingResult, error) {
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return basic.SkyAltitudeCrossingOnDate(basic.SkyMoon, date, lon, lat, height, -basic.HeightDegreeByLat(height, lat), options, module.inst)
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}
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// RiseSet 月球在 date 所在民用日内穿过观测者地平线（含 height 带来的地平俯角）的升落；options 控制月缘与大气 / lunar rise and set on the civil day.
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func RiseSet(date time.Time, lon, lat, height float64, options AltitudeOptions) (AltitudeCrossingResult, error) {
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return defaultModule.RiseSet(date, lon, lat, height, options)
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}
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