POV-Ray : Newsgroups : povray.object-collection : The Bright Star Catalogue : Re: The Bright Star Catalogue Server Time
28 Nov 2021 08:50:44 EST (-0500)
  Re: The Bright Star Catalogue  
From: Bald Eagle
Date: 9 Feb 2018 22:25:00
Message: <web.5a7e65bde3b4c4165cafe28e0@news.povray.org>
Mike Horvath <mik### [at] gmailcom> wrote:
But I don't think in POVray there's an easy way to make a star
> exactly 1 pixel big. Maybe with some trigonometry?

I worked that out obtain a constant-apparent-width cylinder for a bounding box,
and a Dupin cyclide for orbital trajectories.
Obtaining a constant 1-pixel width is pretty trivial with the orthographic
camera, since with the default camera, IIRC, 1 POV-unit = 1 pixel.


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