Re: [Algorithms] Parametric Geometry

[Kardamone <kar...@ya...>]

Could this be some interface geometry (even if the function is not "math")?

Is there some special optimisation techniques devoted to those entities?


> Subdivision sufaces, bezier patches, NURB surfaces, you name it,
> everything, that generate geometry by function.
> _________________
> 
> In "Optimization Techniques for HW-T&L pipelines"
> 
> J. Ratcliff says :
> 
> 1 "Additionally the Planetside engine generates a great deal of parametric
> geometry on the fly, effectively creating an infinite level of detail."
> 
> 2 "Use static LOD solutions, or parametric geometry only if the 3d card
> directly
> accelerates it."
> 
> 3 "Use parametric geometry wisely. There's nothing wrong with generating
> parametric geometry, I encourage it, but don't try to regenerate it every
> single
> frame."
> 
> I'm affraid I don't understand what exactly is "Parametric Geometry" someone
> has
> a definition in this case?
> Maybe John?
> 
> Thanks.
> Kard.



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