coords.data.frame | R Documentation |
This does not affect the original object unless new coordinate system is directly assigned.
## S3 method for class 'data.frame' coords(x, new.coords, ...)
x |
a data.frame with columns labelled x, y, z (for cartesian) or theta, phi (for spherical colatitude and longitude respectively) |
new.coords |
specifies the new coordinate system ("spherical" or "cartesian"). |
... |
Unused arguments. |
A new data.frame whose coordinates are as specified by
new.coords
## Create df with no coords, then create df2 with spherical coords df <- data.frame(x = c(1,0,0), y = c(0,1,0), z = c(0,0,1)) df df2 <- coords(df, new.coords = "spherical") df2 ## The function coords does not affect the original object. ## To change the coords assign a new value ("spherical or "cartesian") coords(df, new.coords = "spherical") df coords(df) <- "spherical" df
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