Ejemplo n.º 1
0
    def calc_horizontal(self, date, longitude, latitude):
        h = GCMath.putIn360(
            GCEarthData.star_time(date) - self.rektaszension + longitude)

        self.azimuth = GCMath.rad2deg(
            math.atan2(
                GCMath.sinDeg(h),
                GCMath.cosDeg(h) * GCMath.sinDeg(latitude) -
                GCMath.tanDeg(self.declination) * GCMath.cosDeg(latitude)))

        self.elevation = GCMath.rad2deg(
            math.asin(
                GCMath.sinDeg(latitude) * GCMath.sinDeg(self.declination) +
                GCMath.cosDeg(latitude) * GCMath.cosDeg(self.declination) *
                GCMath.cosDeg(h)))
Ejemplo n.º 2
0
def equatorialToHorizontalCoords(eqc, obs, date):
    hc = GCCoords.GCHorizontalCoords()

    h = GCMath.putIn360(
        star_time(date) - eqc.rightAscension + obs.longitude_deg)

    hc.azimut = GCMath.rad2deg(
        math.atan2(
            GCMath.sinDeg(h),
            GCMath.cosDeg(h) * GCMath.sinDeg(obs.latitude_deg) -
            GCMath.tanDeg(eqc.declination) * GCMath.cosDeg(obs.latitude_deg)))

    hc.elevation = GCMath.rad2deg(
        math.asin(
            GCMath.sinDeg(obs.latitude_deg) * GCMath.sinDeg(eqc.declination) +
            GCMath.cosDeg(obs.latitude_deg) * GCMath.cosDeg(eqc.declination) *
            GCMath.cosDeg(h)))

    return hc