title | keywords | sidebar | permalink | summary | toc | folder |
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pysh.gravmag |
spherical harmonics, gravity field, magnetic field, python, pyshtools |
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python-gravity-magnetics.html |
This module provides routines for working with gravity and magnetic field data expressed in spherical harmonics. |
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mydoc |
Function name | Description |
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MakeGravGridDH | Create 2D cylindrical maps on a flattened and rotating ellipsoid of all three components of the gravity field, the gravity disturbance, and the gravitational potential. |
MakeGravGridPoint | Determine the vector components of the gravitational acceleration at a single point. |
MakeGravGradGridDH | Calculate the components of the gravity "gradient" tensor on a flattened ellipsoid. |
MakeGeoidGridDH | Create a global map of the geoid. |
CilmPlusDH | Calculate the gravitational potential exterior to relief along a spherical interface using the finite-amplitude algorithm of Wieczorek and Phillips (1998) on a Driscoll and Healy (1994) grid. |
CilmMinusDH | Calculate the gravitational potential interior to relief along to a spherical interface using the finite-amplitude algorithm of Wieczorek and Phillips (1998) on a Driscoll and Healy (1994) grid. |
CilmPlusRhoHDH | Calculate the gravitational potential exterior to relief along a spherical interface with laterally varying density using the finite amplitude algorithm of Wieczorek (2007) on a Driscoll and Healy (1994) grid. |
CilmMinusRhoHDH | Calculate the gravitational potential interior to relief along a spherical interface with laterally varying density using the finite amplitude algorithm of Wieczorek (2007) on a Driscoll and Healy (1994) grid. |
BAtoHilmDH | Calculate iteratively the relief along an interface with constant density contrast that corresponds to a given Bouguer anomaly using the algorithm of Wieczorek and Phillips (1998). |
BAtoHilmRhoHDH | Iteratively calculate the relief along an interface with laterally varying density contrast that corresponds to a given Bouguer anomaly using the algorithm of Wieczorek and Phillips (1998). |
DownContFilterMA | Compute the minimum-amplitude downward continuation filter of Wieczorek and Phillips (1998). |
DownContFilterMC | Compute the minimum-curvature downward continuation filter of Wieczorek and Phillips (1998). |
NormalGravity | Calculate the normal gravity on a flattened ellipsoid using the formula of Somigliana. |
Function name | Description |
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MakeMagGridDH | Create 2D cylindrical maps on a flattened ellipsoid of all three vector components of the magnetic field, the magnitude of the magnetic field, and the magnetic potential. |
MakeMagGridPoint | Determine the vector components of the magnetic field at a single point. |
MakeMagGradGridDH | Calculate the components of the magnetic field tensor on a flattened ellipsoid. |
mag_spectrum | Compute the spectrum of either the magnetic potential or magnetic field strength. |
- Wieczorek, M. A. and R. J. Phillips, Potential anomalies on a sphere: applications to the thickness of the lunar crust, J. Geophys. Res., 103, 1715-1724, doi:10.1029/97JE03136, 1998.
- Wieczorek, M. A. Gravity and topography of the terrestrial planets, Treatise on Geophysics, 10, 165-206, doi:10.1016/B978-044452748-6/00156-5, 2007.