Le 16-09-08 à 00:58, Mike Horvath a écrit :
> On 9/8/2016 12:46 AM, Mike Horvath wrote:
>> http://www.povray.org/documentation/view/3.6.2/137/
>>
>> On this page it says:
>>
>> "It is a good idea to define both things, the light source and the
>> looks_like object, at the origin, and then translate them to their right
>> place."
>>
>> However, this is *not* a good idea for parallel light sources. Doing so
>> causes the light to emit from the light source's original position (the
>> origin) instead of the later position.
>
> http://www.povray.org/documentation/3.7.0/r3_4.html#r3_4_4_1_7
>
> This section only shows an example of how *not* to properly set up the
> looks_like section. It should explain how to do it *correctly* too. But
> I don't know what is correct.
>
>
> Mike

The looks_like object is always centered at the light's location.
So, you should create your light_source at any location while 
constructing the looks_like object around the origin.

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