in news:5c6nkus25q3fe3uj0v4df2ng6u6a4k22td@4ax.com Peter Popov wrote:

>>1. dof_normal.
>
> Moreover, I think it can be done without a patch using a simple
> transformation. All one has to do is shear the camera along the
> direction vector.

Shearing the camera indeed affects the focal plane, I tried this long 
ago. The problem with it is that it also affects the scene and also, if 
I remember well, the whole thing acts exactly opposite to what one 
wants. Using a dof_normal would make the focal blurr "independent" from 
the camera position (you could even make a horizontal plane of focus 
with everything above and beneath blurred). 
 
>>2. dof_pattern.
> 
> Have you tried using a camera normal to achieve that same effect?

Yes, combining focal blur and camera perturbation can give nice effects, 
but the result is very different from what I envision with pattern based 
blurring.

Ingo

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