Rune,  I find that using one of the nifty spline editors listed on the
POV links page is a good way to generate splines and export the points
to pov for further tweaking....


I like this one:

http://www.flashnet.it/users/fn027571/spil/main.html

-paul

Rune wrote:
> 
> I use a cubic spline, and I want a curve something like this:
> (ASCII art, use monospace font)
> 
>                         o
>                       _-
>                    __-
> o-------o-------o--
> 
> But instead I get something like this:
> 
>                         o
>                       _-
>                   __--
> o-------o----___o-
> 
> The curve goes a bit down before it goes up, and I don't want that.
> I know *why* this happens, but I don't know how to avoid it.
> Using a different spline type is not an option.
> 
> Maybe a can insert an extra control point or two, but where is it most
> effective to put it?
> Any "tricks"?
> 
> Rune
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Paul Daniel Jones
The Pennslyvania State University

pdj### [at] psuedu
http://research.chem.psu.edu/glassgrp/paul

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     // \           seek it afar. It is in the
    N    N          easy things, but men seek it
    |    ||         in the difficult things.
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