I’ve heard of Cryptomattes a lot lately. My friend, Paul Rivera, first mentioned it to me for Clarisse and loving the ease of use. Then literally the next day in a tutorial I heard about them. And then a co-worker mentioned them about if we’d looked into them at my work.
So I decided to dig into it a little. Cryptomatte is a tool created by Psyop studio as a way to automatically generate ID mattes using information available at render time. It works with motion blur, transparency, and depth of field. It was presented at Siggraph 2015. This tool has already been picked up by multiple studios and various packages. The nice thing is Psyop has kept this an open source tool. Here is a good intro to them: PSYOP releases Cryptomatte
So far, Clarisse, V-ray, Katana, Maya, Houdini, Blender, Renderman, Redshift, Arnold, Nuke, Fusion, and After Effects can use it.
You can download it on GitHub
It’s super easy to install in Nuke. Takes only a few seconds to setup.
Here’s a Redshift tutorial that was useful: Tutorial #15
A cool update to Cryptomatte looks like their’s a new release of OpenEXR plugin for Photoshop: EXR-IO 2
I’ll be digging into it more over the coming months.
Did a little exploration. I was demoing World Machine to my class and thought why not do something with it again. I wanted to test using VDB volumes in Redshift so why not combine the two. I’ll do another post detailing using VDB volumes. This is by far not finished but a fun exploration.
Spent a couple short bursts to mash this piece together.
I used Megascans rocks and an element from Kitbash 3d’s Egypt set.
Here’s what I came up with.
Here’s a wireframe of the geometry
Today’s Presidents Day, here is another study using Kitbash 3d’s “Victorian” set. Did layout in Maya, added some SpeedTree trees to scene. Used Redshift to get a base render, then painting in Photoshop. Maybe 2 hours of photoshop work to enhance the render.
I took the Kitbash Victorian set. Did a quick Redshift render with atmosphere and some lights. About 1-2 hours in Photoshop. Not perfect, but fun.
This is the render out of Maya in Redshift
I love to watch tutorials on other artists workflows and tools. You never know what little kernel of awesomeness you’ll unravel. This rainy weekend I was trying out some of Jama Jurabaev’s tutorials and Steven Cormann’s new tutorial. Both artists are amazing and seeing their process unfold is a delight.
Jama’s tutorial is on gumroad (he has a bunch). But the ones I took an interest in are using Octane renderer and Blender.
To contrast that, Steven Cormann has just released his tutorial, Epic Matte Shot. He is using Redshift as his renderer. He does a great job breaking down his workflow.
If you get a chance take a look at both artists tutorials and their work. You will not be disappointed.
Mel Script for converting Maya Shaders to Redshift Shaders. I’m using Kitbash3d’s Victorian set to convert the shaders.
Simple video on exporting out your heightmap from World Creator and bringing it into Maya using Redshift. The height is sometimes tricky to match from the one package to the other.
I’ve talked about SLib browser as means in maya to have an organized asset library. Another great feature is ability to import HDR images with sky domes based on your renderer of choice.
There is a growing arena of places where you can download excellent assets to add to your 3d Library. There’s the usual places like Megascans or Textures.com. Kitbash3d has been adding to their ever impressive city/building library. Another place I recently found is Terrain Domain that is for landscape assets. Continue reading “Stock 3d Assets – Terrain Domain”