tor.shift | R Documentation |
Perform a toroidal shift on a point data set
tor.shift(pts,xsh=0.0,ysh=0.0,rect)
pts |
The point data set to shift |
xsh |
Amount to shift along the x-axis |
ysh |
Amount to shift along the y-axis |
rect |
A rectangle defining the region for the toroidal map. If not given,
the bounding box of |
The planar region defined by rect
is assumed connected at its top and bottom edges, and at its left and
right sides. A shift of xsh
and ysh
is applied to the
points and the resulting set of points returned.
A point data set like pts
, but after application of a toroidal
shift along the x and y axes.
Rowlingson, B. and Diggle, P. 1993 Splancs: spatial point pattern analysis code in S-Plus. Computers and Geosciences, 19, 627-655; the original sources can be accessed at: https://www.maths.lancs.ac.uk/~rowlings/Splancs/. See also Bivand, R. and Gebhardt, A. 2000 Implementing functions for spatial statistical analysis using the R language. Journal of Geographical Systems, 2, 307-317.
Shift
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