# Warp Scale and Rotation

The Checkerboard calibration tool lets you specify a scale and rotation value to apply during the warping operation. Because the tool is already sampling each pixel in the input image to create the warped image, the added cost of introducing a scale or rotation is negligible. If your application requires that the acquired image be scaled or rotated, you can increase your application's overall speed by performing that step as part of the image warping operation.

As part of the run-time warping operation, the tool always produces an output image oriented to the standard image coordinate system. If you acquired your calibration image with the plate at an angle, the warped output image will have this angle removed, as shown in the following figure:

You can also use the warp rotation property to compensate for this rotation.