Reproject3D [SPIN]

Author: SPIN FX / Erwan Leroy - http://erwanleroy.com/blog/

• https://github.com/SpinVFX/spin_nuke_gizmos
• http://www.nukepedia.com/gizmos/other/spin_nuke_gizmos-1
• http://erwanleroy.com/spin-vfx-nuke-gizmos-2-0-released/
• Video: https://vimeo.com/381270956

This gizmo does camera projection using a render point position pass (in world space) and a 3D camera to remap all the layers in the input image.

NOTE: The projection works best with unmatted input images or at least unpremulted matting with some coverage, then all masking occurs within the gizmo.

Masking Options

• Input alpha from the 3D render
• Projecting on surfaces facing camera, using normal (N) in world space