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Bfocvec

Angles for Ternary plot

Description

Calculates Angles for determining ternary distribution of faults based on P-T axis orientation.

Usage

Bfocvec(Paz, Pdip, Taz, Tdip)

Arguments

Paz

vector of azimuths, degrees
Pdip

vector of dips, degrees
Taz

vector of azimuths, degrees
Tdip

vector of dips, degrees

Details

This calculation is based on Froelich's paper.

Value

LIST:

Bdip

azimuths, degrees
Baz

dips, degrees

Author(s)

Jonathan M. Lees<jonathan.lees@unc.edu>

References

C. Frohlich. Triangle diagrams: ternary graphs to display similarity and diversity of earthquake focal mechanisms. Physics of the Earth and Planetary Interiors, 75:193-198, 1992.

See Also

ternfoc.point

Examples

Msdr = CONVERTSDR(55.01, 165.65,  29.2   )
 MEC = MRake(Msdr$M)
  MEC$UP = FALSE 
   az1 = Msdr$M$az1
  dip1 = Msdr$M$d1
  az2 = Msdr$M$az2
  dip2 = Msdr$M$d2
  BBB = Bfocvec(az1, dip1,  az2,  dip2)
  V = ternfoc.point(BBB$Bdip, Msdr$M$pd, Msdr$M$td )
RFOC

Graphics for Spherical Distributions and Earthquake Focal Mechanisms

v3.4-6
GPL (>= 2)
Authors
Jonathan M. Lees [aut, cre], Keehoon Kim [ctb]
Initial release
2018-01-17

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