POV-Ray : Newsgroups : povray.bugreports : slope problem : Re: slope problem Server Time
1 Dec 2022 19:18:11 EST (-0500)
  Re: slope problem  
From: jr
Date: 31 Jan 2019 12:55:00
Message: <web.5c5335eac81a0ad348892b50@news.povray.org>

clipka <ano### [at] anonymousorg> wrote:
> > the image (posted in p.b.i, same subject) should show each cylinder centred,
> > filling 90% of the distance between the respective sphere centres.
> Well, that's pretty much what I see them doing.

given that the "end" is a sphere, I would have expected the cylinders to
terminate in a curved shape, equidistant.  but I see a right angle.

> Of course since the distance changes as the angle changes, so do the
> gaps (because you computed each of them to be 5% of the total distance,
> from sphere center to start of cylinder).

yes.  and I use a "perspective" type camera.  nontheless, so close to the
objects, I expected less (much less) visual variation.  ibid their apparent
diameters, compared on three displays so it shouldn't be a pixel ratio thing.

> Or I'm misunderstanding you, and what you're really complaining about
> are the illusionary effects, due to the spheres' "center of light" not
> coinciding with their center of mass - and likewise for the cylinders'
> "axis of light" not coinciding with their "axis of mass".

does "shadowless" not ameliorate this effect?

regards, jr.

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