Convert Simple Mask (and other) point values to pixel location.
There are many parameters in FCPX that have the range of 0 (zero) to 1. These values are used to “map” pixel values in your project. This calculator can help you make that translation.
Point Calculator is applied as a generator. There are Scale and Opacity parameters and there is also a checkbox to turn its visibility on and off. There are no positioning parameters. This is merely an onscreen calculator, nothing more
Select the Aspect values for the Horizontal and Vertical direction of your project:
Use the provided slider to dial in a value, or Copy and Paste the point values from an OSC or similar control and paste it in the corresponding value: