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Le 10/02/2018 à 04:23, Bald Eagle a écrit :
> Mike Horvath <mik### [at] gmail com> 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.
not really.
Unless your default camera is
...
up image_height*y
right image_width*x
...
but that's not the camera you get from
camera{ orthographic }
|| up: 0.000, 1.000, 0.000
|| right: 1.330, 0.000, 0.000
|| location: 0.000, 0.000, 0.000
|| direction: 0.000, 0.000, 1.000
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