Perspective Crop

This feature can correct the distortion caused by perspective. It is useful when you want to copy a photo with camera.

Enter the function:

Click the 'Perspective Crop' menu item in the popup menu of 'Transform'.

The interface and the description:

There are 4 control points corresponded to the 4 corners of a rectangle. Drag the points to match distorted rectangle and click 'Crop'. Select ' Show Sample' to view a demo.

If there are 'Barrel distortion', you need to correct it before run this function.