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For SpatRasters x and y, atan2(y, x) returns the angle in radians for the tangent y/x, handling the case when x is zero. See Trig
See Math-methods
for other trigonometric and mathematical functions that can be used with SpatRasters.
# S4 method for SpatRaster,SpatRaster
atan2(y, x)# S4 method for SpatRaster,SpatRaster
atan_2(y, x, filename, ...)
SpatRaster
SpatRaster
character. Output filename
additional arguments for writing files as in writeRaster
Math-methods
r1 <- rast(nrows=10, ncols=10)
r2 <- rast(nrows=10, ncols=10)
values(r1) <- (runif(ncell(r1))-0.5) * 10
values(r2) <- (runif(ncell(r1))-0.5) * 10
atan2(r1, r2)
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