2d Affine Transformations
Click on the S, T, or R buttons to scale, translate, or rotate. Specify the values by using the sliders or entering the values in the text boxes. For S and T, the top box (slider) is for the x direction and the bottom box (slider) is for the y direction. Check the Lock box to scale by the same amount in both the x and y directions.
You can move the colored corner points with the mouse to change the original shape.
The Restore button sets all values back to their default values.
The Reset button deletes all transformations.
Copy Image will make a copy of the transformed image at its present location. Use Delete Copy to delete this.
Clear All will reset everything back to the original settings.
Check Hide Original Shape to show only the transformed image.