obspy.imaging.beachball¶
Draws a beachball diagram of an earthquake focal mechanism
Most source code provided here are adopted from
- MatLab script bb.m written by Andy Michael, Chen Ji and Oliver Boyd.
- ps_meca program from the Generic Mapping Tools (GMT).
copyright: | The ObsPy Development Team (devs@obspy.org) |
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license: | GNU Lesser General Public License, Version 3 (https://www.gnu.org/copyleft/lesser.html) |
Public Functions
Beach | |
Beachball | |
aux_plane | Get Strike and dip of second plane. |
beach | Return a beach ball as a collection which can be connected to an current matplotlib axes instance (ax.add_collection). |
beachball | Draws a beach ball diagram of an earthquake focal mechanism. |
mopad_fallback | |
mt2axes | Calculates the principal axes of a given moment tensor. |
mt2plane | Calculates a nodal plane of a given moment tensor. |
plot_dc | Uses one nodal plane of a double couple to draw a beach ball plot. |
plot_mt | Uses a principal axis T, N and P to draw a beach ball plot. |
pol2cart | |
strike_dip | Finds strike and dip of plane given normal vector having components n, e, and u. |
tdl | Helper function for mt2plane. |
xy2patch |
Classes
MomentTensor | A moment tensor. |
NodalPlane | A nodal plane. |
PrincipalAxis | A principal axis. |