Evaluate Surface

Replies to This Discussion

Permalink Reply by Chris Wilkins on February 22, 2010 at 12:04pm

Try right clicking the S input on the Evaluate component and turning Reparameterize on, which will make the UV domains of your surface go from 0 to 1. Then use points that are in that range (from 0 to 1). Or you can use the MD Slider to make points that way also.

Permalink Reply by Deepthi on February 22, 2010 at 2:23pm

Thanks Chris! :)

Permalink Reply by Damien Alomar on February 22, 2010 at 1:10pm

The Evaluate surface component does not evaluate points, it evaluates UV space. Basically, you have to translate that point into some sort of UV information in order for the results of that component to mean anything. Use the Surface Close Point component to find the UV parameters for the closest point, then feed that into the Evaluate surface component to get the frame and normal.

Permalink Reply by Deepthi on February 22, 2010 at 2:24pm

Ah thats clear! Thanks Damien :)

Permalink Reply by Chris Wilkins on February 22, 2010 at 4:02pm

Aahh... That's nice. I hadn't noticed the "uvP" output before. That is actually really useful for a project I'm working on. Thanks, Damien.

Permalink Reply by Chapulin Colorado on September 8, 2016 at 5:26am

thx man

Permalink Reply by Rajeev Pulari on October 9, 2018 at 3:27am

Thanks Damien :)