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添加海拔因素

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兔子 2022-01-04 14:24:44 +08:00
parent a225f49209
commit b4b2cea738
Signed by: b612
GPG Key ID: 481225A74DEB62A1
11 changed files with 162 additions and 43 deletions
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20
basic/all_test.go
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@ -5,7 +5,17 @@ import (
"testing"
)
func Test_SunAndMoon(t *testing.T) {
func Test_All(t *testing.T) {
show()
}
func Benchmark_All(b *testing.B) {
for i := 0; i < b.N; i++ {
show()
}
}
func show() {
jde := GetNowJDE() - 1
ra := HSunSeeRa(jde - 8.0/24.0)
dec := HSunSeeDec(jde - 8.0/24.0)
@ -15,15 +25,15 @@ func Test_SunAndMoon(t *testing.T) {
fmt.Println("当前太阳赤纬：", dec)
fmt.Println("当前太阳星座：", WhichCst(ra, dec, jde))
fmt.Println("当前黄赤交角：", EclipticObliquity(jde-8.0/24.0, true))
fmt.Println("当前日出：", JDE2Date(GetSunRiseTime(jde, 115, 32, 8, 1)))
fmt.Println("当前日落：", JDE2Date(GetSunDownTime(jde, 115, 32, 8, 1)))
fmt.Println("当前日出：", JDE2Date(GetSunRiseTime(jde, 115, 32, 8, 1, 10)))
fmt.Println("当前日落：", JDE2Date(GetSunDownTime(jde, 115, 32, 8, 1, 10)))
fmt.Println("当前晨影 -6：", JDE2Date(GetAsaTime(jde, 115, 32, 8, -6)))
fmt.Println("当前晨影 -12：", JDE2Date(GetAsaTime(jde, 115, 32, 8, -12)))
fmt.Println("当前昏影 -6：", JDE2Date(GetBanTime(jde, 115, 32, 8, -6)))
fmt.Println("当前昏影 -12：", JDE2Date(GetBanTime(jde, 115, 32, 8, -12)))
fmt.Print("农历：")
fmt.Println(GetLunar(2019, 10, 23))
fmt.Println("当前月出：", JDE2Date(GetMoonRiseTime(jde, 115, 32, 8, 1)))
fmt.Println("当前月落：", JDE2Date(GetMoonDownTime(jde, 115, 32, 8, 1)))
fmt.Println("当前月出：", JDE2Date(GetMoonRiseTime(jde, 115, 32, 8, 1, 10)))
fmt.Println("当前月落：", JDE2Date(GetMoonDownTime(jde, 115, 32, 8, 1, 10)))
fmt.Println("月相：", MoonLight(jde-8.0/24.0))
}

49
basic/earth.go Normal file
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@ -0,0 +1,49 @@
package basic
import (
. "b612.me/astro/tools"
"math"
)
//地球常数
const (
EARTH_EQUATORIAL_RADIUS float64 = 6378137.0
EARTH_POLAR_RADIUS float64 = 6356752.3
EARTH_AVERAGE_RADIUS float64 = 6371393.0
)
// HeightDistance 高度与地平线距离的关系（单位：米）
func HeightDistance(height float64) float64 {
return math.Acos((EARTH_AVERAGE_RADIUS)/(EARTH_AVERAGE_RADIUS+height)) * EARTH_AVERAGE_RADIUS
}
// HeightDistance 高度（单位：米）与地平线下角度的关系（单位：度）
func HeightDegree(height float64) float64 {
return math.Acos((EARTH_AVERAGE_RADIUS)/(EARTH_AVERAGE_RADIUS+height)) * 180 / math.Pi / 2
}
// HeightDistanceByLat 不同纬度下高度与地平线距离的关系（单位：米）
func HeightDistanceByLat(height, lat float64) float64 {
raduis := GeocentricRadius(lat)
return math.Acos((raduis)/(raduis+height)) * raduis
}
// HeightDegreeByLat 不同纬度下高度（单位：米）与地平线下角度的关系（单位：度）
func HeightDegreeByLat(height, lat float64) float64 {
raduis := GeocentricRadius(lat)
return math.Acos((raduis)/(raduis+height)) * 180 / math.Pi / 2
}
// GeocentricRadius 地心直径与纬度的关系
func GeocentricRadius(lat float64) float64 {
a := (EARTH_EQUATORIAL_RADIUS * EARTH_EQUATORIAL_RADIUS * Cos(lat))
a *= a
b := (EARTH_POLAR_RADIUS * EARTH_POLAR_RADIUS * Sin(lat))
b *= b
c := (EARTH_EQUATORIAL_RADIUS * Cos(lat))
c *= c
d := (EARTH_POLAR_RADIUS * Sin(lat))
d *= d
return math.Sqrt((a + b) / (c + d))
}

13
basic/earth_test.go Normal file
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@ -0,0 +1,13 @@
package basic
import (
"fmt"
"math"
"testing"
)
func Test_EarthFn(t *testing.T) {
fmt.Println(HeightDistance(10000))
//近似算法，差距在接受范围内？
fmt.Println(math.Sqrt(((EARTH_AVERAGE_RADIUS)*2 + 10000) * 10000))
}

16
basic/moon.go
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@ -1137,7 +1137,7 @@ func CalcMoonSH(Year float64, C int) float64 {
stDegree := SunMoonSeek(JD0) - float64(C)
stDegreep := (SunMoonSeek(JD0+0.000005) - SunMoonSeek(JD0-0.000005)) / 0.00001
JD1 = JD0 - stDegree/stDegreep
if math.Floor(JD1-JD0) <= 0.000001 {
if math.Abs(JD1-JD0) <= 0.00001 {
break
}
}
@ -1220,7 +1220,7 @@ func CalcMoonXH(Year float64, C int) float64 {
stDegree := SunMoonSeek(JD0) - float64(C)
stDegreep := (SunMoonSeek(JD0+0.000005) - SunMoonSeek(JD0-0.000005)) / 0.00001
JD1 = JD0 - stDegree/stDegreep
if math.Floor(JD1-JD0) <= 0.000001 {
if math.Abs(JD1-JD0) <= 0.00001 {
break
}
}
@ -1382,7 +1382,7 @@ func GetMoonTZTime(JD, Lon, Lat, TZ float64) float64 { //实际中天时间{
stDegree := MoonTimeAngle(JD0, Lon, Lat, TZ) - 359.599
stDegreep := (MoonTimeAngle(JD0+0.000005, Lon, Lat, TZ) - MoonTimeAngle(JD0-0.000005, Lon, Lat, TZ)) / 0.00001
JD1 = JD0 - stDegree/stDegreep
if math.Floor(JD1-JD0) <= 0.000001 {
if math.Abs(JD1-JD0) <= 0.00001 {
break
}
}
@ -1398,7 +1398,7 @@ func MoonTimeAngle(JD, Lon, Lat, TZ float64) float64 {
return timeangle
}
func GetMoonRiseTime(JD, Lon, Lat, TZ, ZS float64) float64 {
func GetMoonRiseTime(JD, Lon, Lat, TZ, ZS, HEI float64) float64 {
ntz := TZ
TZ = Lon / 15
var An, tms float64 = 0, 0
@ -1409,6 +1409,7 @@ func GetMoonRiseTime(JD, Lon, Lat, TZ, ZS float64) float64 {
if ZS != 0 {
An = -0.83333 //修正大气折射
}
An = An - HeightDegreeByLat(HEI, Lat)
moonang := MoonTimeAngle(JD, Lon, Lat, TZ)
if moonheight > 0 { //月亮在地平线上或在落下与下中天之间
if moonang > 180 {
@ -1448,7 +1449,7 @@ func GetMoonRiseTime(JD, Lon, Lat, TZ, ZS float64) float64 {
stDegree := HMoonHeight(JD0, Lon, Lat, TZ) - An
stDegreep := (HMoonHeight(JD0+0.000005, Lon, Lat, TZ) - HMoonHeight(JD0-0.000005, Lon, Lat, TZ)) / 0.00001
JD1 = JD0 - stDegree/stDegreep
if math.Floor(JD1-JD0) <= 0.000001 {
if math.Abs(JD1-JD0) <= 0.00002 {
break
}
}
@ -1461,7 +1462,7 @@ func GetMoonRiseTime(JD, Lon, Lat, TZ, ZS float64) float64 {
}
}
func GetMoonDownTime(JD, Lon, Lat, TZ, ZS float64) float64 {
func GetMoonDownTime(JD, Lon, Lat, TZ, ZS, HEI float64) float64 {
ntz := TZ
TZ = Lon / 15
var An, tms float64 = 0, 0
@ -1472,6 +1473,7 @@ func GetMoonDownTime(JD, Lon, Lat, TZ, ZS float64) float64 {
if ZS != 0 {
An = -0.83333 //修正大气折射
}
An = An - HeightDegreeByLat(HEI, Lat)
moonang := MoonTimeAngle(JD, Lon, Lat, TZ)
if moonheight < 0 { //月亮在地平线上或在落下与下中天之间
tms = (360 - moonang) / 15
@ -1508,7 +1510,7 @@ func GetMoonDownTime(JD, Lon, Lat, TZ, ZS float64) float64 {
stDegree := HMoonHeight(JD0, Lon, Lat, TZ) - An
stDegreep := (HMoonHeight(JD0+0.000005, Lon, Lat, TZ) - HMoonHeight(JD0-0.000005, Lon, Lat, TZ)) / 0.00001
JD1 = JD0 - stDegree/stDegreep
if math.Floor(JD1-JD0) <= 0.000001 {
if math.Abs(JD1-JD0) <= 0.00002 {
break
}
}

13
basic/moon_test.go
View File

@ -6,13 +6,22 @@ import (
"time"
)
func Benchmark_MoonRiseBench(b *testing.B) {
jde := GetNowJDE()
for i := 0; i < b.N; i++ {
GetMoonRiseTime(jde, 115, 32, 8, 0, 10)
}
}
func Test_MoonS(t *testing.T) {
//fmt.Println(Sita(2451547))
//fmt.Println(MoonHeight(2451547, 115, 32, 8))
a := time.Now().UnixNano()
b := GetMoonRiseTime(GetNowJDE(), 115, 32, 8, 0)
b := GetMoonRiseTime(GetNowJDE(), 115, 32, 8, 0, 10)
fmt.Println(HMoonHeight(b, 115, 32, 8))
fmt.Println(time.Now().UnixNano() - a)
fmt.Println(JDE2Date((b)))
fmt.Println(time.Now().UnixNano() - a)
//fmt.Printf("%.14f", GetMoonRiseTime(2451547, 115, 32, 8, 0))
}
}

13
basic/star_test.go
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@ -7,10 +7,19 @@ import (
func Test_Isxz(t *testing.T) {
now := GetNowJDE()
for i := 0.00; i <= 360.00; i+=0.5 {
for j := -90.00; j <= 90.00; j+=0.5 {
for i := 0.00; i <= 360.00; i += 0.5 {
for j := -90.00; j <= 90.00; j += 0.5 {
fmt.Println(i, j)
fmt.Println(WhichCst(float64(i), float64(j), now))
}
}
}
func Benchmark_IsXZ(b *testing.B) {
jde := GetNowJDE()
for i := 0; i < b.N; i++ {
//GetNowJDE()
WhichCst(11.11, 12.12, jde)
}
}

18
basic/sun.go
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@ -1078,7 +1078,7 @@ func GetJQTime(Year, Angle int) float64 { //节气时间
stDegree := JQLospec(JD0) - float64(Angle)
stDegreep := (JQLospec(JD0+0.000005) - JQLospec(JD0-0.000005)) / 0.00001
JD1 = JD0 - stDegree/stDegreep
if math.Floor(JD1-JD0) <= 0.000001 {
if math.Abs(JD1-JD0) <= 0.00001 {
break
}
}
@ -1156,7 +1156,7 @@ func GetWHTime(Year, Angle int) float64 {
stDegree := JQLospec(JD0) - float64(Angle)
stDegreep := (JQLospec(JD0+0.000005) - JQLospec(JD0-0.000005)) / 0.00001
JD1 = JD0 - stDegree/stDegreep
if math.Floor(JD1-JD0) <= 0.000001 {
if math.Abs(JD1-JD0) <= 0.00001 {
break
}
}
@ -1206,7 +1206,7 @@ func GetBanTime(JD, Lon, Lat, TZ, An float64) float64 {
stDegree := SunHeight(JD0, Lon, Lat, ntz) - An
stDegreep := (SunHeight(JD0+0.000005, Lon, Lat, ntz) - SunHeight(JD0-0.000005, Lon, Lat, ntz)) / 0.00001
JD1 = JD0 - stDegree/stDegreep
if math.Floor(JD1-JD0) < 0.000001 {
if math.Abs(JD1-JD0) < 0.00001 {
break
}
}
@ -1244,7 +1244,7 @@ func GetAsaTime(JD, Lon, Lat, TZ, An float64) float64 {
stDegree := SunHeight(JD0, Lon, Lat, ntz) - An
stDegreep := (SunHeight(JD0+0.000005, Lon, Lat, ntz) - SunHeight(JD0-0.000005, Lon, Lat, ntz)) / 0.00001
JD1 = JD0 - stDegree/stDegreep
if math.Floor(JD1-JD0) < 0.000001 {
if math.Abs(JD1-JD0) < 0.00001 {
break
}
}
@ -1266,13 +1266,14 @@ func SunTimeAngle(JD, Lon, Lat, TZ float64) float64 {
/*
* 精确计算，传入当日0时JDE
*/
func GetSunRiseTime(JD, Lon, Lat, TZ, ZS float64) float64 {
func GetSunRiseTime(JD, Lon, Lat, TZ, ZS, HEI float64) float64 {
var An float64
JD = math.Floor(JD) + 1.5
ntz := math.Round(Lon / 15)
if ZS != 0 {
An = -0.8333
}
An = An - HeightDegreeByLat(HEI, Lat)
tztime := GetSunTZTime(JD, Lon, ntz)
dec := HSunSeeDec(tztime)
tmp := -Tan(Lat) * Tan(dec)
@ -1292,19 +1293,20 @@ func GetSunRiseTime(JD, Lon, Lat, TZ, ZS float64) float64 {
stDegree := SunHeight(JD0, Lon, Lat, ntz) - An
stDegreep := (SunHeight(JD0+0.000005, Lon, Lat, ntz) - SunHeight(JD0-0.000005, Lon, Lat, ntz)) / 0.00001
JD1 = JD0 - stDegree/stDegreep
if math.Floor(JD1-JD0) <= 0.000001 {
if math.Abs(JD1-JD0) <= 0.00001 {
break
}
}
return JD1 - ntz/24 + TZ/24
}
func GetSunDownTime(JD, Lon, Lat, TZ, ZS float64) float64 {
func GetSunDownTime(JD, Lon, Lat, TZ, ZS, HEI float64) float64 {
var An float64
JD = math.Floor(JD) + 1.5
ntz := math.Round(Lon / 15)
if ZS != 0 {
An = -0.8333
}
An = An - HeightDegreeByLat(HEI, Lat)
tztime := GetSunTZTime(JD, Lon, ntz)
dec := HSunSeeDec(tztime)
tmp := -Tan(Lat) * Tan(dec)
@ -1324,7 +1326,7 @@ func GetSunDownTime(JD, Lon, Lat, TZ, ZS float64) float64 {
stDegree := SunHeight(JD0, Lon, Lat, ntz) - An
stDegreep := (SunHeight(JD0+0.000005, Lon, Lat, ntz) - SunHeight(JD0-0.000005, Lon, Lat, ntz)) / 0.00001
JD1 = JD0 - stDegree/stDegreep
if math.Floor(JD1-JD0) <= 0.000001 {
if math.Abs(JD1-JD0) <= 0.00001 {
break
}
}

39
basic/sun_test.go
View File

@ -22,6 +22,24 @@ func Test_SunLo(t *testing.T) {
fmt.Printf("%.14f", HSunSeeLo(2458840.0134162))
}
func Benchmark_SunRise(b *testing.B) {
jde := GetNowJDE()
for i := 0; i < b.N; i++ {
//GetNowJDE()
GetSunRiseTime(jde, 115, 32, 8, 0, 10)
}
}
func Benchmark_SunLo(b *testing.B) {
jde := GetNowJDE()
for i := 0; i < b.N; i++ {
//GetNowJDE()
HSunSeeLo(jde)
}
}
func Test_Cal(t *testing.T) {
fmt.Println(JDE2Date(GetSolar(2020, 1, 1, false)))
fmt.Println(JDE2Date(GetSolar(2020, 4, 1, false)))
@ -33,17 +51,18 @@ func Test_Cal(t *testing.T) {
func Test_SunRise(t *testing.T) {
a := time.Now().UnixNano()
b := GetSunRiseTime(GetNowJDE(), 115, 32, 8, 0)
b = GetSunRiseTime(GetNowJDE()+1, 115, 32, 8, 0)
b = GetSunRiseTime(GetNowJDE()+2, 115, 32, 8, 0)
b = GetSunRiseTime(GetNowJDE()+3, 115, 32, 8, 0)
b = GetSunRiseTime(GetNowJDE()+4, 115, 32, 8, 0)
b = GetSunRiseTime(GetNowJDE()+5, 115, 32, 8, 0)
b = GetSunRiseTime(GetNowJDE()+6, 115, 32, 8, 0)
b = GetSunRiseTime(GetNowJDE()+7, 115, 32, 8, 0)
b = GetSunRiseTime(GetNowJDE()+8, 115, 32, 8, 0)
b = GetSunRiseTime(GetNowJDE()+9, 115, 32, 8, 0)
//b := GetSunRiseTime(GetNowJDE(), 115, 32, 8, 0)
//b = GetSunRiseTime(GetNowJDE()+1, 115, 32, 8, 0)
//b = GetSunRiseTime(GetNowJDE()+2, 115, 32, 8, 0)
//b = GetSunRiseTime(GetNowJDE()+3, 115, 32, 8, 0)
//b = GetSunRiseTime(GetNowJDE()+4, 115, 32, 8, 0)
//b = GetSunRiseTime(GetNowJDE()+5, 115, 32, 8, 0)
//b = GetSunRiseTime(GetNowJDE()+6, 115, 32, 8, 0)
//b = GetSunRiseTime(GetNowJDE()+7, 115, 32, 8, 0)
//b = GetSunRiseTime(GetNowJDE()+8, 115, 32, 8, 0)
b := GetSunRiseTime(GetNowJDE()+9, 115, 32, 8, 0, 10)
fmt.Println(time.Now().UnixNano() - a)
fmt.Println(SunHeight(b, 115, 32, 8))
fmt.Println(JDE2Date((b)))
fmt.Println(time.Now().UnixNano() - a)
}

12
moon/moon.go
View File

@ -109,7 +109,9 @@ func CulminationTime(date time.Time, lon, lat float64) float64 {
// date, 世界时（忽略此处时区）
// lon，经度，东正西负
// lat，纬度，北正南负
func RiseTime(date time.Time, lon, lat float64, aero bool) (time.Time, error) {
// height，高度
// aero,是否进行大气修正
func RiseTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error) {
var err error
if date.Hour() > 12 {
date = date.Add(time.Hour * -12)
@ -121,7 +123,7 @@ func RiseTime(date time.Time, lon, lat float64, aero bool) (time.Time, error) {
if aero {
aeroFloat = 1
}
riseJde := basic.GetMoonRiseTime(jde, lon, lat, timezone, aeroFloat)
riseJde := basic.GetMoonRiseTime(jde, lon, lat, timezone, aeroFloat, height)
if riseJde == -3 {
err = ERR_NOT_TODAY
}
@ -138,7 +140,9 @@ func RiseTime(date time.Time, lon, lat float64, aero bool) (time.Time, error) {
// date, 世界时（忽略此处时区）
// lon，经度，东正西负
// lat，纬度，北正南负
func DownTime(date time.Time, lon, lat float64, aero bool) (time.Time, error) {
// height，高度
// aero，大气修正
func DownTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error) {
var err error
if date.Hour() > 12 {
date = date.Add(time.Hour * -12)
@ -150,7 +154,7 @@ func DownTime(date time.Time, lon, lat float64, aero bool) (time.Time, error) {
if aero {
aeroFloat = 1
}
downJde := basic.GetMoonDownTime(jde, lon, lat, timezone, aeroFloat)
downJde := basic.GetMoonDownTime(jde, lon, lat, timezone, aeroFloat, height)
if downJde == -3 {
err = ERR_NOT_TODAY
}

2
moon/moon_test.go
View File

@ -7,5 +7,5 @@ import (
)
func Test_Rise(t *testing.T) {
fmt.Println(RiseTime(time.Now(), 115, 32, true))
fmt.Println(RiseTime(time.Now(), 120, 40, 10, true))
}

10
sun/sun.go
View File

@ -27,8 +27,9 @@ var (
// date，取日期，时区忽略
// lon，经度，东正西负
// lat，纬度，北正南负
// height，高度
// aero，true时进行大气修正
func RiseTime(date time.Time, lon, lat float64, aero bool) (time.Time, error) {
func RiseTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error) {
var err error
var aeroFloat float64
if aero {
@ -40,7 +41,7 @@ func RiseTime(date time.Time, lon, lat float64, aero bool) (time.Time, error) {
jde := basic.Date2JDE(date)
_, loc := date.Zone()
timezone := float64(loc) / 3600.0
riseJde := basic.GetSunRiseTime(jde, lon, lat, timezone, aeroFloat)
riseJde := basic.GetSunRiseTime(jde, lon, lat, timezone, aeroFloat, height)
if riseJde == -2 {
err = ERR_SUN_NEVER_RISE
}
@ -54,8 +55,9 @@ func RiseTime(date time.Time, lon, lat float64, aero bool) (time.Time, error) {
// date，当地时区日期，务必做时区修正
// lon，经度，东正西负
// lat，纬度，北正南负
// height，高度
// aero，true时进行大气修正
func DownTime(date time.Time, lon, lat float64, aero bool) (time.Time, error) {
func DownTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error) {
var err error
var aeroFloat float64
if aero {
@ -67,7 +69,7 @@ func DownTime(date time.Time, lon, lat float64, aero bool) (time.Time, error) {
jde := basic.Date2JDE(date)
_, loc := date.Zone()
timezone := float64(loc) / 3600.0
downJde := basic.GetSunDownTime(jde, lon, lat, timezone, aeroFloat)
downJde := basic.GetSunDownTime(jde, lon, lat, timezone, aeroFloat, height)
if downJde == -2 {
err = ERR_SUN_NEVER_RISE
}