11. tsyganenko.ct

Contents of this section

This section describes functions from file local/tsyganenko.ct.

11.1 T87

[Bx,By,Bz] = T87(Kp,x,y,z)
 [Bx,By,Bz] = T87(Kp,x,y,z) computes the Tsyganenko-87 model
   magnetic field. The non-truncated version of the model is used.
   Inputs: Kp, the Kp index; x,y,z, GSM coordinates
   in Earth radii. Outputs: total magnetic field in nanotesla in
   GSM coordinates.
See also: T89 , m2i , geotomag .
   Error codes:
   -1: Bad type of input arg 

11.2 T89

[Bx,By,Bz] = T89(Kp,x,y,z)
 [Bx,By,Bz] = T89(Kp,x,y,z) computes the Tsyganenko-89 model
   magnetic field. Inputs: Kp, the Kp index; x,y,z, GSM coordinates
   in Earth radii. Outputs: total magnetic field in nanotesla in
   GSM coordinates.
See also: T87 , m2i , geotomag .
   Error codes:
   -1: Bad type of input arg 

11.3 ecctogeo

[lat,longit] = ecctogeo(latmag,longmag)
 [lat,long] = ecctogeo(latecc,longecc) transforms eccentric
   geomagnetic latitude and longitude to geographic latitude and longitude.
   All angles in degrees.
See also: geotoecc , ecctogeoXYZ , geotomag , magtogeo .
   Error codes:
   -1: Bad first arg
   -2: Bad second arg
   

11.4 ecctogeoXYZ

[x1,y1,z1] = ecctogeoXYZ(x,y,z)
 [x1,y1,z1] = ecctogeoXYZ(x,y,z) transforms eccentric dipole
   point (x,y,z) to geographic coordinates (x1,y1,z1).
See also: ecctogeo , geotoeccXYZ , magtogeoXYZ .
   Error codes:
   -1: Bad first arg
   -2: Bad second arg
   -3: Bad third arg
   

11.5 geotoecc

[latmag,longmag] = geotoecc(lat,longit)
 [latmag,longmag] = geotoecc(lat,long) transforms geographic
   latitude and longitude to eccentric geomagnetic latitude and longitude.
   All angles in degrees.
See also: ecctogeo , geotoeccXYZ , geotomag , magtogeo .
   Error codes:
   -1: Bad first arg
   -2: Bad second arg
   

11.6 geotoeccXYZ

[x1,y1,z1] = geotoeccXYZ(x,y,z)
 [x1,y1,z1] = geotoeccXYZ(x,y,z) transforms geographic
   point (x,y,z) to eccentric dipole coordinates (x1,y1,z1).
See also: geotomagXYZ , ecctogeoXYZ , geotoecc .
   Error codes:
   -1: Bad first arg
   -2: Bad second arg
   -3: Bad third arg
   

11.7 geotomag

[latmag,longmag] = geotomag(lat,longit)
 [latmag,longmag] = geotomag(lat,long) transforms geographic
   latitude and longitude to geomagnetic dipole latitude and longitude.
   All angles in degrees.
See also: geotomagXYZ , magtogeo , ecctogeo , geotoecc .
   Error codes:
   -1: Bad first arg
   -2: Bad second arg
   

11.8 geotomagXYZ

[x1,y1,z1] = geotomagXYZ(x,y,z)
 [x1,y1,z1] = geotomagXYZ(x,y,z) transforms geographic
   point (x,y,z) to geomagnetic dipole coordinates (x1,y1,z1).
See also: geotomag , magtogeoXYZ .
   Error codes:
   -1: Bad first arg
   -2: Bad second arg
   -3: Bad third arg
   

11.9 m2i

[theta,phi] = m2i(Kp,x,y)
 [theta,phi] = m2i(Kp,x,y) maps the equatorial plane point (x,y,z=0)
   to the northern ionosphere. Inputs: Kp, the Kp index; x,y,z, GSM
   coordinates in Earth radii. Outputs: colatitude and longitude in
   magnetic coordinates in degrees.
See also: T89 , geotomag .
   Error codes:
   -1: Bad type of input arg 

11.10 magtogeo

[lat,longit] = magtogeo(latmag,longmag)
 [lat,long] = magtogeo(latmag,longmag) transforms geomagnetic
   latitude and longitude to geographic latitude and longitude.
   All angles in degrees.
See also: geotomag , magtogeoXYZ , geotoecc , ecctogeo .
   Error codes:
   -1: Bad first arg
   -2: Bad second arg
   

11.11 magtogeoXYZ

[x1,y1,z1] = magtogeoXYZ(x,y,z)
 [x1,y1,z1] = magtogeoXYZ(x,y,z) transforms geomagnetic dipole
   point (x,y,z) to geographic coordinates (x1,y1,z1).
See also: magtogeo , geotomagXYZ .
   Error codes:
   -1: Bad first arg
   -2: Bad second arg
   -3: Bad third arg
   


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