Search found 8 matches

by madd
Thu Jan 03, 2013 12:36 pm
Forum: General Development
Topic: MIS degeneration for short distances
Replies: 15
Views: 10273

Re: MIS degeneration for short distances

Clamp distance to some minimum, like your shadow epsilon. The errors you get from doing this are probably insignificant.
by madd
Sat Oct 13, 2012 8:14 am
Forum: Links & Papers
Topic: Vertex merging paper and SmallVCM
Replies: 33
Views: 29955

Re: Vertex merging paper and SmallVCM

Congrats on getting the paper accepted!

Are any of the test scenes available somewhere?
by madd
Fri Jul 06, 2012 3:18 pm
Forum: General Development
Topic: Light sampling for Light/Bidir path tracing
Replies: 4
Views: 3408

Re: Light sampling for Light/Bidir path tracing

Find bounding sphere of world. Sample a direction from environment map within a cone with size given by radius of bounding sphere?
by madd
Tue May 08, 2012 2:32 pm
Forum: General Development
Topic: Pixel filters with negative weights - is there a solution?
Replies: 22
Views: 15455

Re: Pixel filters with negative weights - is there a solutio

Why not just stick with filters with non-negative weights, eg. box or cook? Are the other filters really that much better in practice? According to http://randomcontrol.com/forum/showthread.php?2981-FEATURES-UPGRADE-AA-revisited , fryrender has switched from mitchell to box filtering. Also, see last...
by madd
Fri Mar 30, 2012 8:19 pm
Forum: General Development
Topic: Nvidia limiting gtx680 compute speed?
Replies: 20
Views: 17622

Re: Nvidia limiting gtx680 compute speed?

What's the best performance that can be achieved for the fastest Intel CPUs for AO rays in conference room?
by madd
Tue Jan 10, 2012 2:02 pm
Forum: ompf2
Topic: Vote for a new domain name for your favorite forum!
Replies: 32
Views: 33591

Re: Suggest a new domain name for your favorite forum!

One vote for renderdev..
by madd
Tue Nov 29, 2011 12:44 pm
Forum: General Development
Topic: MIS question
Replies: 16
Views: 11563

Re: MIS question

There was some discussion on old ompf in the thread "MIS revisited... again":

http://webcache.googleusercontent.com/s ... clnk&gl=dk