Chaos Corona Forum

Chaos Corona for 3ds Max => [Max] I need help! => Topic started by: gerbilho on 2014-07-25, 01:25:13

Title: Displacement not working correctly
Post by: gerbilho on 2014-07-25, 01:25:13

When I apply displacement to the pavement I get this result. See picture.
The map is a grayscale from black to white. Black for 0 displacement, white for 2cm displacement (min level 0, max level 2cm).
Tried to change the displacement screen size to lower values (0,05px) but nothing changes.

Any ideas?

Title: Re: Displacement not working correctly
Post by: Ondra on 2014-07-25, 10:02:32

try pre-tesselating the ground more

Title: Re: Displacement not working correctly
Post by: romullus on 2014-07-25, 10:04:38

Maybe, there's not enough subdivision in your generated geometry. Turn on render stamp and look for polygon count. If it doesn't increase when you lowering screen size value, then it's clear indication that subdivision is too low. Reset screen size to default, set max subdiv per poly higher and then gradually decrease screen size, until you find settings that gives satisfying results.

edit: ninja'd, damn.

Title: Re: Displacement not working correctly
Post by: gerbilho on 2014-07-25, 11:00:08

Increasing the max subdivision by poly to 2000 solved the problem.

Thank you!

Title: Re: Displacement not working correctly
Post by: romullus on 2014-07-25, 11:35:27

Good, but bear in mind that this is global parameter. So, if you have multiple objects with displacement in scene, safer option may be manual subdivision of geometry, as Keymaster suggested or else, situation can easily get out of hand.