Пример #1
0
        public PositionVector GetApparentPosition(double tjd)
        {
            double[]       peb    = new double[4];
            double[]       veb    = new double[4];
            double[]       pes    = new double[4];
            double[]       ves    = new double[4];
            double[]       pos    = new double[4];
            double[]       vel    = new double[4];
            double[]       pos2_1 = new double[4];
            double[]       pos2_2 = new double[4];
            double[]       pos2_3 = new double[4];
            double[]       pos2_4 = new double[4];
            double[]       pos2_5 = new double[9];
            Object3        SsBody = new Object3();
            PositionVector positionVector;

            if (this.m_type == BodyType.Moon & (this.m_number == 10 | this.m_number == 11))
            {
                SsBody.Number = CommonCode.NumberToBody(this.m_number);
                SsBody.Type   = ASCOM.Astrometry.ObjectType.MajorPlanetSunOrMoon;
                double Ra  = 0;
                double Dec = 0;
                double Dis = 0;
                int    num = (int)this.Nov31.AppPlanet(tjd, SsBody, Accuracy.Full, ref Ra, ref Dec, ref Dis);
                this.Nov31.RaDec2Vector(Ra, Dec, Dis, ref pos);
                positionVector = new PositionVector(pos[0], pos[1], pos[2], Ra, Dec, Dis, Dis / 173.14463348);
            }
            else
            {
                double tdb = 0;
                EphemerisCode.get_earth_nov(ref this.m_earthephobj, tjd, ref tdb, ref peb, ref veb, ref pes, ref ves);
                EphemerisCode.ephemeris_nov(ref this.m_ephobj, tdb, this.m_type, this.m_number, this.m_name, Origin.Barycentric, ref pos, ref vel);
                double lighttime = 0;
                NOVAS2.BaryToGeo(pos, peb, ref pos2_1, ref lighttime);
                double num1 = tdb - lighttime;
                int    num2 = 0;
                double tjd1;
                do
                {
                    tjd1 = num1;
                    EphemerisCode.ephemeris_nov(ref this.m_ephobj, tjd1, this.m_type, this.m_number, this.m_name, Origin.Barycentric, ref pos, ref vel);
                    NOVAS2.BaryToGeo(pos, peb, ref pos2_1, ref lighttime);
                    num1 = tdb - lighttime;
                    checked { ++num2; }
                }while (Math.Abs(num1 - tjd1) > 1E-06 & num2 < 100);
                int num3 = (int)NOVAS2.SunField(pos2_1, pes, ref pos2_2);
                int num4 = (int)NOVAS2.Aberration(pos2_2, veb, lighttime, ref pos2_3);
                NOVAS2.Precession(2451545.0, pos2_3, tdb, ref pos2_4);
                int num5 = (int)NOVAS2.Nutate(tdb, NutationDirection.MeanToTrue, pos2_4, ref pos2_5);
                positionVector   = new PositionVector();
                positionVector.x = pos2_5[0];
                positionVector.y = pos2_5[1];
                positionVector.z = pos2_5[2];
            }
            return(positionVector);
        }
Пример #2
0
        public PositionVector GetApparentPosition(double tjd)
        {
            CatEntry       star           = new CatEntry();
            PositionVector positionVector = new PositionVector();

            double[] bary_earthp  = new double[4];
            double[] bary_earthv  = new double[4];
            double[] helio_earthp = new double[4];
            double[] helio_earthv = new double[4];
            double[] pos          = new double[4];
            double[] pos2_1       = new double[4];
            double[] pos2_2       = new double[4];
            double[] pos2_3       = new double[4];
            double[] pos2_4       = new double[4];
            double[] pos2_5       = new double[4];
            double[] vel          = new double[4];
            double[] pos2_6       = new double[4];
            if (!(this.m_rav & this.m_decv))
            {
                throw new ASCOM.Astrometry.Exceptions.ValueNotSetException("Star.GetApparentPosition RA or DEC not available");
            }
            double tdb = 0;

            this.hr = NOVAS2.GetEarth(tjd, ref this.m_earth, ref tdb, ref bary_earthp, ref bary_earthv, ref helio_earthp, ref helio_earthv);
            if ((int)this.hr > 0)
            {
                pos2_6[0] = 0.0;
                pos2_6[1] = 0.0;
                pos2_6[2] = 0.0;
                throw new NOVASFunctionException("Star.GetApparentPosition", "get_earth", this.hr);
            }
            star.RA             = this.m_ra;
            star.Dec            = this.m_dec;
            star.ProMoRA        = this.m_pmra;
            star.ProMoDec       = this.m_pmdec;
            star.Parallax       = this.m_plx;
            star.RadialVelocity = this.m_rv;
            NOVAS2.StarVectors(star, ref pos, ref vel);
            NOVAS2.ProperMotion(2451545.0, pos, vel, tdb, ref pos2_1);
            double lighttime = 0;

            NOVAS2.BaryToGeo(pos2_1, bary_earthp, ref pos2_2, ref lighttime);
            int num1 = (int)NOVAS2.SunField(pos2_2, helio_earthp, ref pos2_3);
            int num2 = (int)NOVAS2.Aberration(pos2_3, bary_earthv, lighttime, ref pos2_4);

            NOVAS2.Precession(2451545.0, pos2_4, tdb, ref pos2_5);
            int num3 = (int)NOVAS2.Nutate(tdb, NutationDirection.MeanToTrue, pos2_5, ref pos2_6);

            positionVector.x = pos2_6[0];
            positionVector.y = pos2_6[1];
            positionVector.z = pos2_6[2];
            return(positionVector);
        }
Пример #3
0
        public PositionVector GetAstrometricPosition(double tjd)
        {
            double[]       pos    = new double[4];
            double[]       vel    = new double[4];
            double[]       pos2   = new double[4];
            double[]       peb    = new double[4];
            double[]       veb    = new double[4];
            double[]       pes    = new double[4];
            double[]       ves    = new double[4];
            Object3        SsBody = new Object3();
            PositionVector positionVector;

            if (this.m_type == BodyType.Moon & (this.m_number == 10 | this.m_number == 11))
            {
                SsBody.Number = CommonCode.NumberToBody(this.m_number);
                SsBody.Type   = ASCOM.Astrometry.ObjectType.MajorPlanetSunOrMoon;
                double Ra  = 0;
                double Dec = 0;
                double Dis = 0;
                int    num = (int)this.Nov31.AstroPlanet(tjd, SsBody, Accuracy.Full, ref Ra, ref Dec, ref Dis);
                this.Nov31.RaDec2Vector(Ra, Dec, Dis, ref pos);
                positionVector = new PositionVector(pos[0], pos[1], pos[2], Ra, Dec, Dis, Dis / 173.14463348);
            }
            else
            {
                double tdb = 0;
                EphemerisCode.get_earth_nov(ref this.m_earthephobj, tjd, ref tdb, ref peb, ref veb, ref pes, ref ves);
                EphemerisCode.ephemeris_nov(ref this.m_ephobj, tdb, this.m_type, this.m_number, this.m_name, Origin.Barycentric, ref pos, ref vel);
                double lighttime = 0;
                NOVAS2.BaryToGeo(pos, peb, ref pos2, ref lighttime);
                double num1 = tdb - lighttime;
                int    num2 = 0;
                double tjd1;
                do
                {
                    tjd1 = num1;
                    EphemerisCode.ephemeris_nov(ref this.m_ephobj, tjd1, this.m_type, this.m_number, this.m_name, Origin.Barycentric, ref pos, ref vel);
                    NOVAS2.BaryToGeo(pos, peb, ref pos2, ref lighttime);
                    num1 = tdb - lighttime;
                    checked { ++num2; }
                }while (Math.Abs(num1 - tjd1) > 1E-06 & num2 < 100);
                if (num2 >= 100)
                {
                    throw new HelperException("Planet:GetAstrometricPoition ephemeris_nov did not converge in 100 iterations");
                }
                positionVector   = new PositionVector();
                positionVector.x = pos2[0];
                positionVector.y = pos2[1];
                positionVector.z = pos2[2];
            }
            return(positionVector);
        }
Пример #4
0
        public PositionVector GetTopocentricPosition(double tjd, Site site, bool Refract)
        {
            CatEntry star     = new CatEntry();
            SiteInfo siteInfo = new SiteInfo();

            double[] earthvector1 = new double[4];
            double[] pos2_1       = new double[4];
            double[] vel1         = new double[4];
            double[] pos2_2       = new double[4];
            double[] earthvector2 = new double[4];
            double[] pos1         = new double[4];
            double[] pos2_3       = new double[4];
            double[] pos2_4       = new double[4];
            double[] pos2_5       = new double[4];
            double[] pos2_6       = new double[4];
            double[] pos2_7       = new double[4];
            double[] vel2         = new double[4];
            double[] pos2_8       = new double[4];
            double[] bary_earthp  = new double[4];
            double[] bary_earthv  = new double[4];
            double[] helio_earthp = new double[4];
            double[] helio_earthv = new double[4];
            double[] pos2         = new double[4];
            if (!(this.m_rav & this.m_decv))
            {
                throw new ASCOM.Astrometry.Exceptions.ValueNotSetException("Star.GetTopocentricPosition RA or DEC not available");
            }
            double jd_high = !this.m_bDTValid ? tjd - DeltatCode.DeltaTCalc(tjd) / 86400.0 : tjd - this.m_deltat;

            try
            {
                siteInfo.Latitude = site.Latitude;
            }
            catch (Exception ex)
            {
                //ProjectData.SetProjectError(ex);
                throw new ValueNotAvailableException("Star:GetTopocentricPosition Site.Latitude is not available");
            }
            try
            {
                siteInfo.Longitude = site.Longitude;
            }
            catch (Exception ex)
            {
                //ProjectData.SetProjectError(ex);
                throw new ValueNotAvailableException("Star:GetTopocentricPosition Site.Longitude is not available");
            }
            try
            {
                siteInfo.Height = site.Height;
            }
            catch (Exception ex)
            {
                //ProjectData.SetProjectError(ex);
                throw new ValueNotAvailableException("Star:GetTopocentricPosition Site.Height is not available");
            }
            double tdb = 0;

            this.hr = NOVAS2.GetEarth(tjd, ref this.m_earth, ref tdb, ref bary_earthp, ref bary_earthv, ref helio_earthp, ref helio_earthv);
            if ((int)this.hr > 0)
            {
                pos2[0] = 0.0;
                pos2[1] = 0.0;
                pos2[2] = 0.0;
                throw new NOVASFunctionException("Star.GetApparentPosition", "get_earth", this.hr);
            }
            double mobl = 0;
            double tobl = 0;
            double eq   = 0;
            double dpsi = 0;
            double deps = 0;

            NOVAS2.EarthTilt(tdb, ref mobl, ref tobl, ref eq, ref dpsi, ref deps);
            double gst = 0;

            NOVAS2.SiderealTime(jd_high, 0.0, eq, ref gst);
            NOVAS2.Terra(ref siteInfo, gst, ref pos1, ref vel2);
            int num1 = (int)NOVAS2.Nutate(tdb, NutationDirection.TrueToMean, pos1, ref pos2_3);

            NOVAS2.Precession(tdb, pos2_3, 2451545.0, ref pos2_1);
            int num2 = (int)NOVAS2.Nutate(tdb, NutationDirection.TrueToMean, vel2, ref pos2_8);

            NOVAS2.Precession(tdb, pos2_8, 2451545.0, ref pos2_2);
            int index = 0;

            do
            {
                earthvector1[index] = bary_earthp[index] + pos2_1[index];
                vel1[index]         = bary_earthv[index] + pos2_2[index];
                earthvector2[index] = helio_earthp[index] + pos2_1[index];
                checked { ++index; }
            }while (index <= 2);
            star.RA             = this.m_ra;
            star.Dec            = this.m_dec;
            star.ProMoRA        = this.m_pmra;
            star.ProMoDec       = this.m_pmdec;
            star.Parallax       = this.m_plx;
            star.RadialVelocity = this.m_rv;
            NOVAS2.StarVectors(star, ref pos1, ref vel2);
            NOVAS2.ProperMotion(2451545.0, pos1, vel2, tdb, ref pos2_3);
            double lighttime = 0;

            NOVAS2.BaryToGeo(pos2_3, earthvector1, ref pos2_4, ref lighttime);
            int num3 = (int)NOVAS2.SunField(pos2_4, earthvector2, ref pos2_5);
            int num4 = (int)NOVAS2.Aberration(pos2_5, vel1, lighttime, ref pos2_6);

            NOVAS2.Precession(2451545.0, pos2_6, tdb, ref pos2_7);
            int              num5       = (int)NOVAS2.Nutate(tdb, NutationDirection.MeanToTrue, pos2_7, ref pos2);
            double           ra         = 0;
            double           dec        = 0;
            int              num6       = (int)NOVAS2.Vector2RADec(pos2, ref ra, ref dec);
            double           num7       = Math.Sqrt(Math.Pow(pos2[0], 2.0) + Math.Pow(pos2[1], 2.0) + Math.Pow(pos2[2], 2.0));
            RefractionOption ref_option = RefractionOption.NoRefraction;

            if (Refract)
            {
                bool flag = true;
                try
                {
                    siteInfo.Temperature = site.Temperature;
                }
                catch (Exception ex)
                {
                    //ProjectData.SetProjectError(ex);
                    flag = false;
                    //ProjectData.ClearProjectError();
                }
                try
                {
                    siteInfo.Pressure = site.Pressure;
                }
                catch (Exception ex)
                {
                    //ProjectData.SetProjectError(ex);
                    flag = false;
                    //ProjectData.ClearProjectError();
                }
                ref_option = !flag ? RefractionOption.StandardRefraction : RefractionOption.LocationRefraction;
            }
            double zd   = 0;
            double az   = 0;
            double rar  = 0;
            double decr = 0;

            if (this.m_bDTValid)
            {
                NOVAS2.Equ2Hor(tjd, this.m_deltat, 0.0, 0.0, ref siteInfo, ra, dec, ref_option, ref zd, ref az, ref rar, ref decr);
            }
            else
            {
                NOVAS2.Equ2Hor(tjd, DeltatCode.DeltaTCalc(tjd), 0.0, 0.0, ref siteInfo, ra, dec, ref_option, ref zd, ref az, ref rar, ref decr);
            }
            if (ref_option > RefractionOption.NoRefraction)
            {
                NOVAS2.RADec2Vector(rar, decr, num7, ref pos2);
            }
            return(new PositionVector(pos2[0], pos2[1], pos2[2], rar, decr, num7, num7 / 173.14463348, az, 90.0 - zd));
        }
Пример #5
0
        public PositionVector GetLocalPosition(double tjd, Site site)
        {
            CatEntry       star           = new CatEntry();
            PositionVector positionVector = new PositionVector();
            SiteInfo       locale         = new SiteInfo();

            double[] pos2_1       = new double[4];
            double[] pos2_2       = new double[4];
            double[] earthvector1 = new double[4];
            double[] vel1         = new double[4];
            double[] earthvector2 = new double[4];
            double[] numArray     = new double[4];
            double[] pos          = new double[4];
            double[] vel2         = new double[4];
            double[] pos2_3       = new double[4];
            double[] pos2_4       = new double[4];
            double[] pos2_5       = new double[4];
            double[] pos2_6       = new double[4];
            double[] bary_earthp  = new double[4];
            double[] bary_earthv  = new double[4];
            double[] helio_earthp = new double[4];
            double[] helio_earthv = new double[4];
            double[] pos2_7       = new double[4];
            if (!(this.m_rav & this.m_decv))
            {
                throw new ASCOM.Astrometry.Exceptions.ValueNotSetException("Star.GetLocalPosition RA or DEC not available");
            }
            double jd_high = !this.m_bDTValid ? tjd - DeltatCode.DeltaTCalc(tjd) / 86400.0 : tjd - this.m_deltat;

            star.RA             = this.m_ra;
            star.Dec            = this.m_dec;
            star.ProMoRA        = this.m_pmra;
            star.ProMoDec       = this.m_pmdec;
            star.Parallax       = this.m_plx;
            star.RadialVelocity = this.m_rv;
            try
            {
                locale.Latitude = site.Latitude;
            }
            catch (Exception ex)
            {
                //ProjectData.SetProjectError(ex);
                throw new ValueNotAvailableException("Star:GetLocalPosition Site.Latitude is not available");
            }
            try
            {
                locale.Longitude = site.Longitude;
            }
            catch (Exception ex)
            {
                //ProjectData.SetProjectError(ex);
                throw new ValueNotAvailableException("Star:GetLocalPosition Site.Longitude is not available");
            }
            try
            {
                locale.Height = site.Height;
            }
            catch (Exception ex)
            {
                //ProjectData.SetProjectError(ex);
                throw new ValueNotAvailableException("Star:GetLocalPosition Site.Height is not available");
            }
            double tdb = 0;

            this.hr = NOVAS2.GetEarth(tjd, ref this.m_earth, ref tdb, ref bary_earthp, ref bary_earthv, ref helio_earthp, ref helio_earthv);
            if ((int)this.hr > 0)
            {
                pos2_7[0] = 0.0;
                pos2_7[1] = 0.0;
                pos2_7[2] = 0.0;
                throw new NOVASFunctionException("Star.GetApparentPosition", "get_earth", this.hr);
            }
            double mobl = 0;
            double tobl = 0;
            double eq   = 0;
            double dpsi = 0;
            double deps = 0;

            NOVAS2.EarthTilt(tdb, ref mobl, ref tobl, ref eq, ref dpsi, ref deps);
            double gst = 0;

            NOVAS2.SiderealTime(jd_high, 0.0, eq, ref gst);
            NOVAS2.Terra(ref locale, gst, ref pos, ref vel2);
            int num1 = (int)NOVAS2.Nutate(tdb, NutationDirection.TrueToMean, pos, ref pos2_3);

            NOVAS2.Precession(tdb, pos2_3, 2451545.0, ref pos2_1);
            int num2 = (int)NOVAS2.Nutate(tdb, NutationDirection.TrueToMean, vel2, ref pos2_4);

            NOVAS2.Precession(tdb, pos2_4, 2451545.0, ref pos2_2);
            int index = 0;

            do
            {
                earthvector1[index] = bary_earthp[index] + pos2_1[index];
                vel1[index]         = bary_earthv[index] + pos2_2[index];
                earthvector2[index] = helio_earthp[index] + pos2_1[index];
                numArray[index]     = helio_earthv[index] + pos2_2[index];
                checked { ++index; }
            }while (index <= 2);
            NOVAS2.StarVectors(star, ref pos, ref vel2);
            NOVAS2.ProperMotion(2451545.0, pos, vel2, tdb, ref pos2_3);
            double lighttime = 0;

            NOVAS2.BaryToGeo(pos2_3, earthvector1, ref pos2_5, ref lighttime);
            int num3 = (int)NOVAS2.SunField(pos2_5, earthvector2, ref pos2_6);
            int num4 = (int)NOVAS2.Aberration(pos2_6, vel1, lighttime, ref pos2_7);

            positionVector.x = pos2_7[0];
            positionVector.y = pos2_7[1];
            positionVector.z = pos2_7[2];
            return(positionVector);
        }
Пример #6
0
 public void BaryToGeo(double[] pos, double[] earthvector, ref double[] pos2, ref double lighttime)
 {
     NOVAS2.BaryToGeo(pos, earthvector, ref pos2, ref lighttime);
 }
Пример #7
0
        public PositionVector GetVirtualPosition(double tjd)
        {
            double[]       pos            = new double[4];
            double[]       vel            = new double[4];
            double[]       pos2_1         = new double[4];
            double[]       pos2_2         = new double[4];
            double[]       pos2_3         = new double[4];
            double[]       peb            = new double[4];
            double[]       veb            = new double[4];
            double[]       pes            = new double[4];
            double[]       ves            = new double[4];
            PositionVector positionVector = new PositionVector();
            Object3        SsBody         = new Object3();

            if (this.m_type == BodyType.Moon & (this.m_number == 10 | this.m_number == 11))
            {
                SsBody.Number = CommonCode.NumberToBody(this.m_number);
                SsBody.Type   = ASCOM.Astrometry.ObjectType.MajorPlanetSunOrMoon;
                double Ra  = 0;
                double Dec = 0;
                double Dis = 0;
                int    num = (int)this.Nov31.VirtualPlanet(tjd, SsBody, Accuracy.Full, ref Ra, ref Dec, ref Dis);
                this.Nov31.RaDec2Vector(Ra, Dec, Dis, ref pos);
                positionVector = new PositionVector(pos[0], pos[1], pos[2], Ra, Dec, Dis, Dis / 173.14463348);
            }
            else
            {
                double tdb = 0;
                EphemerisCode.get_earth_nov(ref this.m_earthephobj, tjd, ref tdb, ref peb, ref veb, ref pes, ref ves);
                double mobl = 0;
                double tobl = 0;
                double eq   = 0;
                double dpsi = 0;
                double deps = 0;
                NOVAS2.EarthTilt(tdb, ref mobl, ref tobl, ref eq, ref dpsi, ref deps);
                BodyType btype = BodyType.MajorPlanet;
                switch (this.m_type)
                {
                case BodyType.Moon:
                    btype = BodyType.Moon;
                    break;

                case BodyType.MinorPlanet:
                    btype = BodyType.MinorPlanet;
                    break;

                case BodyType.Comet:
                    btype = BodyType.Comet;
                    break;
                }
                EphemerisCode.ephemeris_nov(ref this.m_ephobj, tdb, btype, this.m_number, this.m_name, Origin.Barycentric, ref pos, ref vel);
                double lighttime = 0;
                NOVAS2.BaryToGeo(pos, peb, ref pos2_1, ref lighttime);
                double num1 = tdb - lighttime;
                int    num2 = 0;
                double tjd1;
                do
                {
                    tjd1 = num1;
                    EphemerisCode.ephemeris_nov(ref this.m_ephobj, tjd1, btype, this.m_number, this.m_name, Origin.Barycentric, ref pos, ref vel);
                    NOVAS2.BaryToGeo(pos, peb, ref pos2_1, ref lighttime);
                    num1 = tdb - lighttime;
                    checked { ++num2; }
                }while (Math.Abs(num1 - tjd1) > 1E-06 & num2 < 100);
                if (num2 >= 100)
                {
                    throw new HelperException("Planet:GetVirtualPoition ephemeris_nov did not converge in 100 iterations");
                }
                int num3 = (int)NOVAS2.SunField(pos2_1, pes, ref pos2_2);
                int num4 = (int)NOVAS2.Aberration(pos2_2, veb, lighttime, ref pos2_3);
                positionVector.x = pos2_3[0];
                positionVector.y = pos2_3[1];
                positionVector.z = pos2_3[2];
            }
            return(positionVector);
        }
Пример #8
0
        public PositionVector GetTopocentricPosition(double tjd, Site site, bool Refract)
        {
            double[]  pos1         = new double[4];
            double[]  pos2_1       = new double[4];
            double[]  pos2_2       = new double[4];
            double[]  pos2_3       = new double[4];
            double[]  pos2_4       = new double[4];
            double[]  vel1         = new double[4];
            double[]  pos2_5       = new double[4];
            double[]  pos2_6       = new double[4];
            double[]  pos2_7       = new double[4];
            double[]  earthvector1 = new double[4];
            double[]  pos2         = new double[4];
            double[]  vel2         = new double[4];
            double[]  earthvector2 = new double[4];
            double[]  peb          = new double[4];
            double[]  veb          = new double[4];
            double[]  pes          = new double[4];
            double[]  ves          = new double[4];
            Object3   SsBody       = new Object3();
            OnSurface onSurface    = new OnSurface();

            if (!this.m_bDTValid)
            {
                this.m_deltat = DeltatCode.DeltaTCalc(tjd);
            }
            double   num1     = tjd - this.m_deltat / 86400.0;
            SiteInfo siteInfo = new SiteInfo();

            try
            {
                siteInfo.Latitude = site.Latitude;
            }
            catch (Exception ex)
            {
                //ProjectData.SetProjectError(ex);
                throw new ValueNotAvailableException("Star:GetTopocentricPosition Site.Latitude is not available");
            }
            try
            {
                siteInfo.Longitude = site.Longitude;
            }
            catch (Exception ex)
            {
                //ProjectData.SetProjectError(ex);
                throw new ValueNotAvailableException("Star:GetTopocentricPosition Site.Longitude is not available");
            }
            try
            {
                siteInfo.Height = site.Height;
            }
            catch (Exception ex)
            {
                //ProjectData.SetProjectError(ex);
                throw new ValueNotAvailableException("Star:GetTopocentricPosition Site.Height is not available");
            }
            PositionVector positionVector;

            if (this.m_type == BodyType.Moon & (this.m_number == 10 | this.m_number == 11))
            {
                onSurface.Height      = site.Height;
                onSurface.Latitude    = site.Latitude;
                onSurface.Longitude   = site.Longitude;
                onSurface.Pressure    = site.Pressure;
                onSurface.Temperature = site.Temperature;
                SsBody.Number         = CommonCode.NumberToBody(this.m_number);
                SsBody.Type           = ASCOM.Astrometry.ObjectType.MajorPlanetSunOrMoon;
                RefractionOption RefOption = !Refract ? RefractionOption.NoRefraction : RefractionOption.LocationRefraction;
                double           Ra        = 0;
                double           Dec       = 0;
                double           Dis       = 0;
                this.Nov31.TopoPlanet(tjd, SsBody, this.m_deltat, onSurface, Accuracy.Full, ref Ra, ref Dec, ref Dis);
                double Zd   = 0;
                double Az   = 0;
                double RaR  = 0;
                double DecR = 0;
                this.Nov31.Equ2Hor(num1, this.m_deltat, Accuracy.Full, 0.0, 0.0, onSurface, Ra, Dec, RefOption, ref Zd, ref Az, ref RaR, ref DecR);
                this.Nov31.RaDec2Vector(RaR, DecR, Dis, ref pos2);
                positionVector = new PositionVector(pos2[0], pos2[1], pos2[2], RaR, DecR, Dis, Dis / 173.14463348, Az, 90.0 - Zd);
            }
            else
            {
                double tdb = 0;
                EphemerisCode.get_earth_nov(ref this.m_earthephobj, tjd, ref tdb, ref peb, ref veb, ref pes, ref ves);
                double mobl = 0;
                double tobl = 0;
                double eq   = 0;
                double dpsi = 0;
                double deps = 0;
                NOVAS2.EarthTilt(tdb, ref mobl, ref tobl, ref eq, ref dpsi, ref deps);
                double gst = 0;
                NOVAS2.SiderealTime(num1, 0.0, eq, ref gst);
                NOVAS2.Terra(ref siteInfo, gst, ref pos1, ref vel1);
                int num2 = (int)NOVAS2.Nutate(tdb, NutationDirection.TrueToMean, pos1, ref pos2_1);
                NOVAS2.Precession(tdb, pos2_1, 2451545.0, ref pos2_6);
                int num3 = (int)NOVAS2.Nutate(tdb, NutationDirection.TrueToMean, vel1, ref pos2_5);
                NOVAS2.Precession(tdb, pos2_5, 2451545.0, ref pos2_7);
                short num4 = 0;
                do
                {
                    earthvector1[(int)num4] = peb[(int)num4] + pos2_6[(int)num4];
                    vel2[(int)num4]         = veb[(int)num4] + pos2_7[(int)num4];
                    earthvector2[(int)num4] = pes[(int)num4] + pos2_6[(int)num4];
                    ++num4;
                }while ((int)num4 <= 2);
                EphemerisCode.ephemeris_nov(ref this.m_ephobj, tdb, this.m_type, this.m_number, this.m_name, Origin.Barycentric, ref pos1, ref vel1);
                double lighttime = 0;
                NOVAS2.BaryToGeo(pos1, earthvector1, ref pos2_1, ref lighttime);
                double num5 = tdb - lighttime;
                int    num6 = 0;
                double tjd1;
                do
                {
                    tjd1 = num5;
                    EphemerisCode.ephemeris_nov(ref this.m_ephobj, tjd1, this.m_type, this.m_number, this.m_name, Origin.Barycentric, ref pos1, ref vel1);
                    NOVAS2.BaryToGeo(pos1, earthvector1, ref pos2_1, ref lighttime);
                    num5 = tdb - lighttime;
                    checked { ++num6; }
                }while (Math.Abs(num5 - tjd1) > 1E-06 & num6 < 100);
                if (num6 >= 100)
                {
                    throw new HelperException("Planet:GetTopocentricPoition ephemeris_nov did not converge in 100 iterations");
                }
                int num7 = (int)NOVAS2.SunField(pos2_1, earthvector2, ref pos2_2);
                int num8 = (int)NOVAS2.Aberration(pos2_2, vel2, lighttime, ref pos2_3);
                NOVAS2.Precession(2451545.0, pos2_3, tdb, ref pos2_4);
                int              num9       = (int)NOVAS2.Nutate(tdb, NutationDirection.MeanToTrue, pos2_4, ref pos2);
                double           ra         = 0;
                double           dec        = 0;
                int              num10      = (int)NOVAS2.Vector2RADec(pos2, ref ra, ref dec);
                double           num11      = Math.Sqrt(Math.Pow(pos2[0], 2.0) + Math.Pow(pos2[1], 2.0) + Math.Pow(pos2[2], 2.0));
                RefractionOption ref_option = RefractionOption.NoRefraction;
                if (Refract)
                {
                    bool flag = true;
                    try
                    {
                        siteInfo.Temperature = site.Temperature;
                    }
                    catch (Exception ex)
                    {
                        //ProjectData.SetProjectError(ex);
                        flag = false;
                        //ProjectData.ClearProjectError();
                    }
                    try
                    {
                        siteInfo.Pressure = site.Pressure;
                    }
                    catch (Exception ex)
                    {
                        //ProjectData.SetProjectError(ex);
                        flag = false;
                        //ProjectData.ClearProjectError();
                    }
                    ref_option = !flag ? RefractionOption.StandardRefraction : RefractionOption.LocationRefraction;
                }
                double zd   = 0;
                double az   = 0;
                double rar  = 0;
                double decr = 0;
                if (this.m_bDTValid)
                {
                    NOVAS2.Equ2Hor(tjd, this.m_deltat, 0.0, 0.0, ref siteInfo, ra, dec, ref_option, ref zd, ref az, ref rar, ref decr);
                }
                else
                {
                    NOVAS2.Equ2Hor(tjd, DeltatCode.DeltaTCalc(tjd), 0.0, 0.0, ref siteInfo, ra, dec, ref_option, ref zd, ref az, ref rar, ref decr);
                }
                if (ref_option != RefractionOption.NoRefraction)
                {
                    NOVAS2.RADec2Vector(rar, decr, num11, ref pos2);
                }
                positionVector = new PositionVector(pos2[0], pos2[1], pos2[2], rar, decr, num11, num11 / 173.14463348, az, 90.0 - zd);
            }
            return(positionVector);
        }
Пример #9
0
        public PositionVector GetLocalPosition(double tjd, Site site)
        {
            double[]  pos2_1       = new double[4];
            double[]  pos2_2       = new double[4];
            double[]  earthvector1 = new double[4];
            double[]  vel1         = new double[4];
            double[]  earthvector2 = new double[4];
            double[]  numArray1    = new double[4];
            double[]  pos          = new double[4];
            double[]  vel2         = new double[4];
            double[]  pos2_3       = new double[4];
            double[]  pos2_4       = new double[4];
            double[]  pos2_5       = new double[4];
            double[]  numArray2    = new double[4];
            double[]  peb          = new double[4];
            double[]  veb          = new double[4];
            double[]  pes          = new double[4];
            double[]  ves          = new double[4];
            Object3   SsBody       = new Object3();
            OnSurface onSurface    = new OnSurface();

            if (!this.m_bDTValid)
            {
                this.m_deltat = DeltatCode.DeltaTCalc(tjd);
            }
            double   num1   = tjd - this.m_deltat / 86400.0;
            SiteInfo locale = new SiteInfo();

            try
            {
                locale.Latitude = site.Latitude;
            }
            catch (Exception ex)
            {
                //ProjectData.SetProjectError(ex);
                throw new ValueNotAvailableException("Star:GetTopocentricPosition Site.Latitude is not available");
            }
            try
            {
                locale.Longitude = site.Longitude;
            }
            catch (Exception ex)
            {
                //ProjectData.SetProjectError(ex);
                throw new ValueNotAvailableException("Star:GetTopocentricPosition Site.Longitude is not available");
            }
            try
            {
                locale.Height = site.Height;
            }
            catch (Exception ex)
            {
                //ProjectData.SetProjectError(ex);
                throw new ValueNotAvailableException("Star:GetTopocentricPosition Site.Height is not available");
            }
            PositionVector positionVector;

            if (this.m_type == BodyType.Moon & (this.m_number == 10 | this.m_number == 11))
            {
                onSurface.Height      = site.Height;
                onSurface.Latitude    = site.Latitude;
                onSurface.Longitude   = site.Longitude;
                onSurface.Pressure    = site.Pressure;
                onSurface.Temperature = site.Temperature;
                SsBody.Number         = CommonCode.NumberToBody(this.m_number);
                SsBody.Type           = ASCOM.Astrometry.ObjectType.MajorPlanetSunOrMoon;
                RefractionOption RefOption = RefractionOption.NoRefraction;
                double           Ra        = 0;
                double           Dec       = 0;
                double           Dis       = 0;
                this.Nov31.LocalPlanet(tjd, SsBody, this.m_deltat, onSurface, Accuracy.Full, ref Ra, ref Dec, ref Dis);
                double Zd   = 0;
                double Az   = 0;
                double RaR  = 0;
                double DecR = 0;
                this.Nov31.Equ2Hor(num1, this.m_deltat, Accuracy.Full, 0.0, 0.0, onSurface, Ra, Dec, RefOption, ref Zd, ref Az, ref RaR, ref DecR);
                this.Nov31.RaDec2Vector(RaR, DecR, Dis, ref numArray2);
                positionVector = new PositionVector(numArray2[0], numArray2[1], numArray2[2], RaR, DecR, Dis, Dis / 173.14463348, Az, 90.0 - Zd);
            }
            else
            {
                double tdb = 0;
                EphemerisCode.get_earth_nov(ref this.m_earthephobj, tjd, ref tdb, ref peb, ref veb, ref pes, ref ves);
                double mobl = 0;
                double tobl = 0;
                double eq   = 0;
                double dpsi = 0;
                double deps = 0;
                NOVAS2.EarthTilt(tdb, ref mobl, ref tobl, ref eq, ref dpsi, ref deps);
                double gst = 0;
                NOVAS2.SiderealTime(num1, 0.0, eq, ref gst);
                NOVAS2.Terra(ref locale, gst, ref pos, ref vel2);
                int num2 = (int)NOVAS2.Nutate(tdb, NutationDirection.TrueToMean, pos, ref pos2_3);
                NOVAS2.Precession(tdb, pos2_3, 2451545.0, ref pos2_1);
                int num3 = (int)NOVAS2.Nutate(tdb, NutationDirection.TrueToMean, vel2, ref pos2_4);
                NOVAS2.Precession(tdb, pos2_4, 2451545.0, ref pos2_2);
                int index = 0;
                do
                {
                    earthvector1[index] = peb[index] + pos2_1[index];
                    vel1[index]         = veb[index] + pos2_2[index];
                    earthvector2[index] = pes[index] + pos2_1[index];
                    numArray1[index]    = ves[index] + pos2_2[index];
                    checked { ++index; }
                }while (index <= 2);
                EphemerisCode.ephemeris_nov(ref this.m_ephobj, tdb, this.m_type, this.m_number, this.m_name, Origin.Barycentric, ref pos, ref vel2);
                double lighttime = 0;
                NOVAS2.BaryToGeo(pos, earthvector1, ref pos2_3, ref lighttime);
                double num4 = tdb - lighttime;
                int    num5 = 0;
                double tjd1;
                do
                {
                    tjd1 = num4;
                    EphemerisCode.ephemeris_nov(ref this.m_ephobj, tjd1, this.m_type, this.m_number, this.m_name, Origin.Barycentric, ref pos, ref vel2);
                    NOVAS2.BaryToGeo(pos, earthvector1, ref pos2_3, ref lighttime);
                    num4 = tdb - lighttime;
                    checked { ++num5; }
                }while (Math.Abs(num4 - tjd1) > 1E-06 & num5 < 100);
                if (num5 >= 100)
                {
                    throw new HelperException("Planet:GetLocalPoition ephemeris_nov did not converge in 100 iterations");
                }
                int num6 = (int)NOVAS2.SunField(pos2_3, earthvector2, ref pos2_5);
                int num7 = (int)NOVAS2.Aberration(pos2_5, vel1, lighttime, ref numArray2);
                positionVector   = new PositionVector();
                positionVector.x = numArray2[0];
                positionVector.y = numArray2[1];
                positionVector.z = numArray2[2];
            }
            return(positionVector);
        }