In this tutorial 3D- & VFX Trainer Helge Maus gives you a brief introduction for using Cryptomattes (github.com/Psyop/Cryptomatte ) with Houdini FX 16.5.
He starts by showing you the purpose of Cryptomattes in NUKE for Compositing. Then he explains how you can set up a simple cryptomatte rendering inside of Houdini 16.5 with Mantra and deliver it as OpenEXR. Also, he shows you how to set up your own cryptomatte properties. Finally, he demonstrates, how you can use the Houdini COP context and the new cryptomatte node to pull mattes after the rendering has finished.
You will find more information about in-house training, online coachings and vfx-academies at pixeltrain.de . Helge Maus is a 3D & VFX-Trainer ( linkedin.com/in/pixeltrain/ )