On 2022-03-28 13:43 (-4), Cousin Ricky wrote:
> If a hollow object is included in a union, the hollow property is
> disabled.  This apparent bug was introduced in POV-Ray 3.7; the hollow
> property is inherited fine in 3.6.
> 
> The following scene illustrates the problem.  [snip]

I forgot to say, this scene has a dark blue background with a light blue
ground fog.  The pennants are rectangular objects with a transparent
pigment for the non-triangular parts.  The bug manifests as the dark
background showing through the transparent parts of the pennant.

Post a reply to this message