repitch | R Documentation |
Finds the declination and inclination of a line defined by a pitch on a plane
repitch(pitch, strike, dip, quadrant = NA)
pitch |
pitch (or rake) of the data; it is the angle between the strike of the plane and a line. It is taken from the left side going downward along the dip, and is positive downward. |
strike |
strike of the data; it is the angle from the north of
the horizontal line of the plane. It is corrected by the |
dip |
dip of the data; it is the angle from the horizontal taken
on the line of the plane perpendicular to the one of the strike. It is
corrected by the |
quadrant |
the quadrant were the plane dips downward. Accepted
values are NA, 'N', 'S', 'W' or 'E' (lower- or uppercase alike) for
correction by the |
a list of declination and inclination of the defined lines
Eric Carlson of the Colorado School of Mines is acknowledged for his rake to plunge calculator on which this function is based.
dipfix
, incfix
and
transphere
strike <- c(90, 135, 135, 135)
dip <- c(0, 65, 65, 65)
pitch <- c(40, 40, 140, -40)
earnet()
earplanes(strike,dip,hsphere = "b", a = list(col = "red", lwd = 2))
res <- repitch(pitch = pitch, strike = strike, dip = dip)
earpoints(dec = res$dec, inc = res$inc)
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