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-   -   Oceanshader bumpy (https://simplymaya.com/forum/showthread.php?t=30613)

adevejian 06-08-2008 06:55 AM

Oceanshader bumpy
 
How do I increase the subdivisions in my ocean shader? i’m getting these strange triangular reflections and bumpy surfaces (see below) that seem to be the result of a mesh without many subd’s. Thanks for any help!

http://img.photobucket.com/albums/v5...ian/ocean2.jpg

ragecgi 06-08-2008 08:44 PM

Just a few questions for you before I try and troubleshoot your problem cool? :)

Ok:

1. What version of Maya are you currently using?
2. Did you start-off your scene using one of the premade sample files from the Visor, such as the HighSeas Ocean Sample file?
3. or did you create a subdiv plane, and attach an ocean shader 2d/3d to it?

Once I know these details I can try and recreate your problem, and we can figure out how to fix it for you:)

adevejian 06-08-2008 10:23 PM

Thanks for the help

1. What version of Maya are you currently using?
2008

2. Did you start-off your scene using one of the premade sample files from the Visor, such as the HighSeas Ocean Sample file?
Yes, I used the HighSeas sample, but I tried tweaking it a bit.

ragecgi 07-08-2008 03:29 PM

1 Attachment(s)
Ok, after trying to recreate your problem, I'm left with more questions than answers for you.

The fist problem is that I'm running 8.5 Unlimited, but I really don't think that is the issue here.

I noticed a LOT of funky resolution issues in your shot besides the ridges you circled.

So, what I first tried to mess with was the wave height in the Ocean shader and what I first found was that the sharper the inclination in the height graph, the more visible the mesh triangles became.

So, I made the graph smoother, and they went away.

Might this be one of the things you changed?

If so, try smoothing-out the graph and see if that solves a bit of the triangle problems:)

Lemme know if that helps a little:)

The image below shows my sharp graph at the top, then a large version of my "smoothed" graph.

adevejian 07-08-2008 09:53 PM

Thanks I will try that! I think that may be it.

ragecgi 07-08-2008 11:07 PM

Good luck!


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