POV-Ray : Newsgroups : povray.newusers : how to generate transparent image : Re: how to generate transparent image Server Time
16 Apr 2024 06:21:46 EDT (-0400)
  Re: how to generate transparent image  
From: Stephen
Date: 21 Feb 2017 17:52:45
Message: <58acc4bd$1@news.povray.org>
On 2/21/2017 9:43 PM, zhekai wrote:
> 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.
>
> Zhekai
>
>
Hi Zhekai and welcome.

You have to define the background as transparent.

For instance: background { colour rgbt <0.0, 0.0, 0.0, 0.0> }

Or better still to use the sRGB standard
background { colour srgbt <0.0, 0.0, 0.0, 0.0> }



-- 

Regards
     Stephen


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