Le 2010-01-05 22:23, CShake a écrit :
> Kevin Wampler wrote:
>> David Given wrote:
>>> Having thought about it some more, I think that what I'm looking for is
>>> a cross between an orthographic and spherical camera --- I want Povray
>>> to cast rays radially inwards from a spherical viewing surface towards
>>> the centre of my model. Does such a thing exist? If not, can I fake it?
>>
>> I haven't actually tried this, but perhaps you could put a spherical
>> camera at the center of your moon, put everything in your scene into
>> an object{...} construct with the no_image attribute, and then put a
>> large perfectly reflective sphere centered at your camera around the
>> scene?
> Good idea, but make sure to set max_trace_level so you don't get
> infinite internal reflection.

No such risk.
First, you go through the no_image object.
Next, you strike the large sphere.
Then, you get reflected back at your moon, whitch is NON-reflective.
You stop tracing there.

Then, you can't have more than 256 bounces... That,s hardly /infinite/.


Alain

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