RFOC (version 3.4-10)

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)

Value

LIST:

Bdip

azimuths, degrees

Baz

dips, degrees

Arguments

Paz

vector of azimuths, degrees

Pdip

vector of dips, degrees

Taz

vector of azimuths, degrees

Tdip

vector of dips, degrees

Author

Jonathan M. Lees<[e-mail]>

Details

This calculation is based on Froelich's paper.

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 )