Hi,
I'm experiencing very weird performance with alpha channels in live viewer. Downloaded the Houdini Octane Demo to test the look of a project. I have a sphere made of many particles, in live viewer by default I see the Octane Environment in the background, I don't want this to show so I check "alpha channel" to remove the environment, but that then changes the density of the particle sphere. When I've used Octane in C4D turning on Alpha Channel has never affected the actual image, even with particle renders. You can see in the two attached screenshots, it looks correct / how I would expect in the image with the environment showing, but I obviously need to be able to see it without the environment in the background without the density changing to be able to work properly.
Not sure if this is only an IPR bug or if it's happening when rendering, I'm still on the demo as I wanted to make sure this would work before getting the full version. If this is something demo specific tho happy to get the full version to alleviate the issue. I'm on Houdini 15.5.717 OSX with the latest version of Octane Demo.
Thanks