POV-Ray : Newsgroups : povray.newusers : Why can I still see things when there are no lights. : Re: Why can I still see things when there are no lights. Server Time
28 Jul 2024 14:28:39 EDT (-0400)
  Re: Why can I still see things when there are no lights.  
From: Trevor G Quayle
Date: 10 Feb 2009 13:45:00
Message: <web.4991cb2611553a381c811d20@news.povray.org>
"kyfho" <nomail@nomail> wrote:
> Hi.
>
> This is prob a stupid post and I am quite prepared to be called stupid if
> I get an answer.
>
> I am trying to render the inside of our theatre. I want to be able to show
> directors what their scenes will look like in various lighting states. However
> I cannot get a blackout. When I remove all the light sources I still get a
> picture. Not even a dark picture.
>
> I would like to find out where the light is coming from and flick its switch.
>
> So how do I get rid of the light please.
>
> Thanks.
> Eamon.

Its probably ambient light.  Either:
1. set ambient_light in the global_settings block to 0
2. make sure to set ambient to 0 for your textures

I would suggest #2 as there are times when you do want to make use of ambient in
certain textures (e.g. making a visible light source that 'glows')

-tgq


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