On 19/12/2017 03:12, Masaki  wrote:
> Thanks for the reply.
> I have some new questions.
> 
>> There are a couple of things wrong with your scene. First, your lights
>> and objects are inside the Prism. So you will not see anything.
> (1) Does it mean that I can not see the light from the outside of the prism when
> there is a light source in the prism which is transparent object?
> 
> 
If the object is transparent or filtered then the light will shine 
through. By the amount of transparency or filter value.

> (2) In pov-ray, is it possible for the camera to visualize the direct light from
> the source?

In the camera use Point_at and point your camera at the light's location.


> I want to acquire the conical surface light through the prism object directly.
> 
> Regards
>          Masaki
> 
> 
> 
> 


-- 

Regards
     Stephen

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