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Momocs (version 0.2-03)
tps2d: Thin Plate Splines for 2D data.
Description
tps2d
is the core function for Thin Plate Splines. It is used internally but might be useful elsewhere.
Usage
tps2d(grid0, fr, to)
Arguments
grid0
A matrix of coordinates on which to calculate deformations.
fr
The reference $(x; y)$ coordinates.
to
The target $(x; y)$ coordinates.
Value
Returns a matrix of
(x; y)
coordinates with TPS-interpolated deformations.
See Also
The
tps.grid
,
tps.iso
,
tps.arr
functions use
tps2d
.