sun-shadow animation

[proces2]

i am trying to create an animation where the movement of the sun is animated as well. i got the settings pared down enough so that i can recalculate the radiosity for each frame and render within a reasonable amount of time.

 

i am having a problem, though, with flickering in the shadow areas of the model. i posted a short (and 1/2 size) clip of the animation.

 

sun-shadow animation

 

the flickering is most obvious underneath the cantilevered part of the design.

 

i am not using regathering. is there an issue with using logarithmic exposure control and animation? could the refine iterations be causing the problem?

 

sean

[abicalho]

Sean,

 

That flicker is caused because your radiosity is solved at every frame. There are slightly different solutions for each frame, and the solution is to solve to a little higher quality.

 

Example: if you're set to 85, solve up to 90 or 95%.

 

Hope it helps,

 

Alexander

[proces2]

I actually had it set to 50%. i was enough quality to get a good image, and didn't take to long to calculate.

 

i'll bump it up to 85%, and see what i get.

 

thanks,

sean

[Craig Ramsay]

Do you really nead to use radiosity for your animation? From what I have seen you could fake the radiosity with direct illumination and save huge amounts of rendering time

 

Just a thought

 

Craig