Point Position Mask

A nice tool to select a chunk of pixels based on their XYZ coordinates from a point position pass. Great for making selections on 3D CG environments.
Requires a World Point/Point Position Pass.

Plug in your Point Position Pass into the PointPositionPass input and your Beauty Pass into the Image input although it is not necessary.

Supports both Z-up and Y-up CG environments.

Provides a 3D scene for the Mask Shape Visualization.

 

Download it here.