affine_rotate

Builtin index · Images

result = affine_rotate(angle_degrees)

Input: angle_degrees · Output: result

What it is

angle_degrees is a number.

Overloads

One call shape — this function is not overloaded.

Code	Input	Output	Description
`result = affine_rotate(angle_degrees)`	`angle_degrees` numbernot documented yet	`result` Mat or matrix	Returns a new 3x3 `Mat` encoding a CCW rotation matrix in standard math convention (see the clockwise-on-screen note above for the visual difference from `imrotate`).

Examples

From the documentation, and run by the build -- the output and the figure below are what the engine actually produced. Simplest first.

img = load_image("sample.bmp")

# Rotate 30 degrees about the origin, then shift right/down by (50, 20).

M = affine_translate(50, 20) * affine_rotate(30)
out = imwarp(img, M, method="bilinear", bbox="loose", fill=255)
imshow(out)

from images