OTOY Forums

I am having this problem with displacement where some parts of the displacement look jagged,

I am using a Black and white PNG (2048px x 2048px) that I made in Illustrator. And I have the level of details of the displacement channel set to 4096x4096.

The render looks okay when not zoomed in like you see in the screenshots.

What am I doing wrong?

Octane doesn't apply any pre-triangulation or smoothing for displacements. So you should do in images or use bigger images. Also 16/32 bit images are better when you have sloped parts.

First of all you need to set this up at 8k res, and save as a 16/32 bit tiff file. I'm not 100% but I think if you've got an image thats 2k by 2k, setting the level of detail in the displacement settings at anything higher than the original image resolution isn't going to give you better results. Even at 8k I think you'd struggle getting totally smooth displacement at that zoom. Would be good to have the limit of displacement maps removed or upped a bit... is there a technical reason for this 8k limitation?

Hi jsuarez388,
as the others said, it's always better to work with higher resolution and pixel depth, but since the texture comes from illustrator, try also to tiny blur it in PS in order to add some transition between black and white.
ciao beppe

renderingz wrote:First of all you need to set this up at 8k res, and save as a 16/32 bit tiff file. I'm not 100% but I think if you've got an image thats 2k by 2k, setting the level of detail in the displacement settings at anything higher than the original image resolution isn't going to give you better results. Even at 8k I think you'd struggle getting totally smooth displacement at that zoom. Would be good to have the limit of displacement maps removed or upped a bit... is there a technical reason for this 8k limitation?

Thanks for your reply. I will try to use an 8K tiff from illustrator at 32bit, is this the case everytime I want to use displacement in Octane?

It does save a lot of geometry. How dense is the mesh you are deforming?