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2019-10-24 10:44:21 +08:00
commit 9d047c848a
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package sun
import (
"errors"
"b612.me/astro/basic"
)
/*
黄赤交角
jde,世界时UTC
nutation,为true时计算交角章动
*/
func EclipticObliquity(jde float64, nutation bool) float64 {
jde = basic.TD2UT(jde, true)
return basic.EclipticObliquity(jde, nutation)
}
/*
黄经章动
jde,世界时UTC
*/
func EclipticNutation(jde float64) float64 {
return basic.HJZD(basic.TD2UT(jde, true))
}
/*
交角章动
jde,世界时UTC
*/
func AxialtiltNutation(jde float64) float64 {
return basic.JJZD(basic.TD2UT(jde, true))
}
/*
太阳几何黄经
jde,世界时UTC
*/
func GeometricLo(jde float64) float64 {
return basic.SunLo(basic.TD2UT(jde, true))
}
/*
太阳真黄经
jde,世界时UTC
*/
func TrueLo(jde float64) float64 {
return basic.HSunTrueLo(basic.TD2UT(jde, true))
}
/*
太阳视黄经
jde,世界时UTC
*/
func SeeLo(jde float64) float64 {
return basic.HSunSeeLo(basic.TD2UT(jde, true))
}
/*
太阳视赤经
jde,世界时UTC
*/
func SeeRa(jde float64) float64 {
return basic.HSunSeeRa(basic.TD2UT(jde, true))
}
/*
太阳视赤纬
jde,世界时UTC
*/
func SeeDec(jde float64) float64 {
return basic.HSunSeeDec(basic.TD2UT(jde, true))
}
/*
太阳视赤经赤纬
jde,世界时UTC
*/
func SeeRaDec(jde float64) (float64, float64) {
return basic.HSunSeeRaDec(basic.TD2UT(jde, true))
}
/*
太阳真赤经
jde,世界时UTC
*/
func TrueRa(jde float64) float64 {
return basic.HSunTrueRa(basic.TD2UT(jde, true))
}
/*
太阳真赤纬
jde,世界时UTC
*/
func TrueDec(jde float64) float64 {
return basic.HSunTrueDec(basic.TD2UT(jde, true))
}
/*
太阳中间方程
jde,世界时UTC
*/
func MidFunc(jde float64) float64 {
return basic.SunMidFun(basic.TD2UT(jde, true))
}
/*
均时差
jde,世界时UTC
*/
func EquationTime(jde float64) float64 {
return basic.SunTime(basic.TD2UT(jde, true))
}
/*
太阳时角
jde,世界时当地时间
lon,经度,东正西负
lat,纬度,北正南负
timezone,时区,东正西负
*/
func HourAngle(jde, lon, lat, timezone float64) float64 {
return basic.SunTimeAngle(jde, lon, lat, timezone)
}
/*
太阳方位角
jde,世界时当地时间
lon,经度,东正西负
lat,纬度,北正南负
timezone,时区,东正西负
*/
func Azimuth(jde, lon, lat, timezone float64) float64 {
return basic.SunAngle(jde, lon, lat, timezone)
}
/*
太阳高度角
jde,世界时当地时间
lon,经度,东正西负
lat,纬度,北正南负
timezone,时区,东正西负
*/
func Zenith(jde, lon, lat, timezone float64) float64 {
return basic.SunHeight(jde, lon, lat, timezone)
}
/*
太阳中天时间
jde,世界时当地0时
lon,经度,东正西负
timezone,时区,东正西负
*/
func CulminationTime(jde, lon, timezone float64) float64 {
return basic.GetSunTZTime(jde, lon, timezone)
}
/*
太阳升起时间
jde,世界时当地0时 JDE
lon,经度,东正西负
lat,纬度,北正南负
timezone,时区,东正西负
aerotrue时进行大气修正
*/
func RiseTime(jde, lon, lat, timezone float64, aero bool) (float64, error) {
var err error = nil
tz := 0.00
if aero {
tz = 1
}
tm := basic.GetSunRiseTime(jde, lon, lat, timezone, tz)
if tm == -2 {
err = errors.New("极夜")
}
if tm == -1 {
err = errors.New("极昼")
}
return tm, err
}
/*
太阳落下时间
jde,世界时当地0时 JDE
lon,经度,东正西负
lat,纬度,北正南负
timezone,时区,东正西负
aerotrue时进行大气修正
*/
func DownTime(jde, lon, lat, timezone float64, aero bool) (float64, error) {
var err error = nil
tz := 0.00
if aero {
tz = 1
}
tm := basic.GetSunDownTime(jde, lon, lat, timezone, tz)
if tm == -2 {
err = errors.New("极夜")
}
if tm == -1 {
err = errors.New("极昼")
}
return tm, err
}
/*
晨朦影
jde,世界时当地0时 JDE
lon,经度,东正西负
lat,纬度,北正南负
timezone,时区,东正西负
angle,朦影角度:可选-6 -12 -18
*/
func MorningTwilightTime(jde, lon, lat, timezone, angle float64) (float64, error) {
var err error = nil
tm := basic.GetAsaTime(jde, lon, lat, timezone, angle)
if tm == -2 {
err = errors.New("不存在")
}
if tm == -1 {
err = errors.New("不存在")
}
return tm, err
}
/*
昏朦影
jde,世界时当地0时 JDE
lon,经度,东正西负
lat,纬度,北正南负
timezone,时区,东正西负
angle,朦影角度:可选-6 -12 -18
*/
func EveningTwilightTime(jde, lon, lat, timezone, angle float64) (float64, error) {
var err error = nil
tm := basic.GetBanTime(jde, lon, lat, timezone, angle)
if tm == -2 {
err = errors.New("不存在")
}
if tm == -1 {
err = errors.New("不存在")
}
return tm, err
}