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egor (version 1.24.2)

rotate_xy: Rotate a matrix of x and y coordinates by a radian

Description

Rotate a matrix of x and y coordinates by a radian

Usage

rotate_xy(xy_mat, rad, direction = 1)

Arguments

xy_mat

A two column matrix with x and y coordinates.

rad

Numeric. Rotation angle in radian.

direction

Numeric. Rotation direction, 1 for clockwise -1 for counter-clockwise.