Thank you.

But, both methods do not work.

I put a large number of boxes in front of the ball and the maximum of the 
"max_trace_level" 256. It is not enough large I think...

"Meothuru" <nomail@nomail> wrote in message 
news:web.44bf14fc8936040dbc6f282e0@news.povray.org...
> "yoon" <jhy### [at] galaxyyonseiackr> wrote:
>> At first, make a white ball and then make a red box, which is bigger than
>> the ball, in front of the ball.
>>
>> If I use the command "filter" or "transmit", I could see the ball through
>> the box.
>>
>> But the color of ball(white) seem to be redder and dimmer than its 
>> original
>> because the light traverse through the red box.
>>
>> If I put more red boxes in front of the ball, I will not be able to see 
>> the
>> ball because many boxes screen the light emitted from the white ball.
>>
>> How can I see the white ball even if there are many boxes between the 
>> ball
>> and the camera?
>>
>> Thank you.
>>
>> JH
>>
>> --
>> ==========================================
>>  Yonsei University, Department of Astronomy
>>  Seoul, South Korea
>>  Graduate Student, Room #703
>>  Joo Heon Yoon in GEM
>>  jhy### [at] galaxyyonseiackr
>> ==========================================
>
> absolutly untested....
> but I first would try out:
>
>
> The pigment-color of the box  = "Clear"
>
> The pigment-color of the sphere = white*1.2"
> (to lighten the "white" of the sphere)
>
>
>
>
>
>
>
>

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