[osg-users] how to draw a Curved Surface?

[Sebastian Messerschmidt]

Hello Bean?

You can use the polytop intersector to get all primitives inside and 
draw them with an polygon offset applied on top of the original geometry.

Cheers
Sebastian
> primitive problem
> <https://groups.google.com/forum/#%21searchin/osg-users/how$20to$20draw$20a$20Curved$20Surface$20on$20the$20top$20of$20terrain$3F/osg-users/q0fcYqNZ84E/LqfRH3rBrTUJ>
>
> <https://groups.google.com/forum/#%21searchin/osg-users/how$20to$20draw$20a$20Curved$20Surface$20on$20the$20top$20of$20terrain$3F/osg-users/q0fcYqNZ84E/LqfRH3rBrTUJ>
>
>
> 1、how to draw a Curved Surface on the top of terrain? like the fig.
> 2、 how to compute the surface area of the Curved Surface?
> 内嵌图片 1
> I  want to use  polytope intersector, but I don't have  inspiration. 
> So can you give me some advise?
> thank you a lot.
>
>
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