Le 2019-09-25 à 21:08, David Kraics a écrit :
> Hi there. Over the many years of playing with POVray, I have often tried to
> recreate things that require a certain object. I want to go from a cylinder to a
> cone, but I want it to be tapered in, rather than a straight cut into the angle
> of the cone. Sort of like going from cylinder to half-sphere to cone. Does this
> make sense? Maybe this helps to picture what I had in mind. Right now I want to
> recreate a Navy submarine. The shape of the sub transits smoothly from a
> cylinder to ending in a cone shape in the rear, without a sharp change in angle.
> Anyone have any suggestions?
> 
> 

What about a sphere_sweep ?
In some cases, using blobs can be the way to go.

If all else fails, there are bicubic patches and meshes that can be used.

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