POV-Ray: Newsgroups: povray.newusers: how to generate transparent image: Re: how to generate transparent image

POV-Ray : Newsgroups : povray.newusers : how to generate transparent image : Re: how to generate transparent image		Server Time 24 Apr 2024 16:53:00 EDT (-0400)

From: clipka
Date: 22 Feb 2017 12:26:35
Message: <58adc9cb$1@news.povray.org>

Am 21.02.2017 um 22:43 schrieb zhekai:
> Hi All,
> 
> I want to render a image with transparent background. And I found online that
> with command inline +UA will lead to transparent background. Here is my problem,
> after using command inline "+UA", I do see the transparent checkboard background
> that Pov-Ray is rendering at Pov-Ray window. However, the actual picture file
> that is being generated is not transparent, and has white background. Any ideas
> how to fix it? I have tried different picture format such as png, jpg, and none
> of them shows the transparent background. I could post some mini example to show
> my code if that is necessary. Thanks.

Due to the content of your scene (the white plane people have already
pointed out), your image background is _semi_-transparent.

As for image file formats, you'll need to use either PNG or OpenEXR. The
other output file formats don't support transparency.

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