Two questions about Brazil toon...

[Ian Jones]

Adjust your image samples. Set your maximum samples to about 3 and you'll probably never see 'aliasing' which is the correct terminology for what you called 'sawtoothes'. Set minimum to between -1 and 1. This may take longer to render but I don't think you'll have any aliasing problems. Image sampling controls the 'smoothness' if you like. It is your way to control 'antialiasing' which is smoothing out 'aliasing'.

hope that helps.

[ZeBoxx]

Of course you can also go to your Registered Users Account page and look up the Brazil Toon options, suggestions, and ultimately request official support.

If you have such a page, that is :thumbsup:

Best regards,
Richard Annema

[somlor]

:shame:

Originally posted by ZeBoxx
Of course you can also go to your Registered Users Account page and look up the Brazil Toon options, suggestions, and ultimately request official support.

If you have such a page, that is :thumbsup:

Best regards,
Richard Annema

[ZeBoxx]

:rolleyes:

[Ian Jones]

hahah. It's almost like an auto response, I swear all the Splutterfish employee's have a macro. :annoyed: :D

[ZeBoxx]

ERR : -3; invalid input parameters
;)

[Ian Jones]

lol.

hey, you may have a point there. Isn't the minimum undersampling in Brazil -3? as far as I can remember... or is it -4... hmmm....

There's a good point. As far as I know 'adaptive multi-level sampling' (correct name?) is a good thing. The area's of your image that don't need much attention from the renderer are undersampled... for example a completely black background with no light information will use the minimum sampling you set. The most render heavy elements like DOF or SSS will use the maximum level you set. Different areas of the image either need heavy processing or not, so this method is a great way to optimise rendering for where it is needed and where it isn't. That is adaptive multi-sampling and it is a great thing. Technically I think it doesn't have any ill effects as far as I know. :shrug:

[ZeBoxx]

eep!
</bot mode>

Nobody, including SplutterFish, would ever claim that there's NO technical problems with undersampling.
It's in the very term itself.. undersampling - you're not sampling enough!

Here's an example...
Can I do this ? where's that vB code ? hmmm.. oh yikes... whatever.. gimme html next time.
let me try anyway.. woop.. go ASCII art :

· · ·||· · ·

The red dots are samples.
The blue beams are a wall (hey, use your imagination)

Since none of the samples are actually hitting the blue beams, whatever is inbetween those samples will just be an interpolation between the two samples.
Effective result : the beam will disappear.

'oops' :thumbsdow

So yeah, there's always some problems with undersampling - just that with GI (shade rate undersampling), it's not as much noticeable as it is with the image stuff (image rate).

There's all sorts of trickiness to the various sampling stuff, and it's all pretty well documented, on the <bot mode>Registered Users Account page</bot mode> ;)

Cheers!
Ze
P.S. No - that's not the problem at hand :shrug: :thumbsup:

[CGTalk Moderation]

This thread has been automatically closed as it remained inactive for 12 months. If you wish to continue the discussion, please create a new thread in the appropriate forum.