|
 |
Kenneth nous apporta ses lumieres en ce 10/08/2006 17:18:
>>> Alain <ele### [at] netscape net> wrote:
>
>>>> Shifting this "may" help you getting rid of some artefacts near corners like
>>>> dark spots along inside corners.
>>> Shifting it up ot down? Is it better to use a higher value for this or a
>>> lower value?
>> Equivalent. You only want the pretrace sampling to shift place so that they miss
>> the problem pixels. It's also advisable to move the camera a very small amount,
>> like +/-0.000001 unit.
>
> Do you mean, shifting the camera BETWEEN the pretrace steps? If so, how
> is that done?
>
> Ken W
>
>
Not during the pretrace. Before you start the rendering. There are some cases
where a radiosity sampling falls exactly on an internal corner. In those cases,
the sampling can look behind a wall for example, taking information from a
totaly dark area, leading to dark spots along the corner.
Changing pretrace_start or moving the camera very slightly can cause the problem
sampling to miss the critical points.
--
Alain
-------------------------------------------------
Wouldn't it be nice if whenever we messed up our life we could simply press
'Ctrl Alt Delete' and start all over?
Post a reply to this message
|
|
