Re: [osg-users] intersect() methods in LineSegment (probably others)

() methods in LineSegment (probably others) Hi Andy, J-S, did you get to do any timing with my proposed use of doubles in the intersection code? I did some tests last night. Full results below. The executive summary is this: For 2,244,800 samples (individual ray tests), Floats: 113.121566 seconds

Re: [osg-users] intersect() methods in LineSegment (probably others)

Hi Andy, J-S, did you get to do any timing with my proposed use of doubles in the intersection code? I did some tests last night. Full results below. The executive summary is this: For 2,244,800 samples (individual ray tests), Floats: 113.121566 seconds (original) Doubles: 113.954178

Re: [osg-users] intersect() methods in LineSegment (probably others)

Hello Andy, J-S, did you get to do any timing with my proposed use of doubles in the intersection code? Sorry, I was out of town finally this weekend. I will try it out tonight. J-S -- __ Jean-Sebastien Guay[EMAIL PROTECTED]

Re: [osg-users] intersect() methods in LineSegment (probably others)

J-S, did you get to do any timing with my proposed use of doubles in the intersection code? Thanks, andy ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] intersect() methods in LineSegment (probably others)

Hello Andy, I've submitted a change to the submission list. Please take a look and tell me if and how much it affects timing. Great, I'll try and check it out tonight and get back to you. J-S -- __ Jean-Sebastien Guay[EMAIL

Re: [osg-users] intersect() methods in LineSegment (probably others)

() methods in LineSegment (probably others) I'm not sure what changed (in OSG or our code), but one of our unittests is failing on Windows as I try to upgrade our software to OSG 2.3.3. The picking I'm doing isn't hitting anything. It appears that the use of floats in the LineSegment::intersect

Re: [osg-users] intersect() methods in LineSegment (probably others)

Hello Andy, So is anyone counting on this being floats for performance? Would anyone else welcome this calculation in doubles? If you submit a patch, I can test it out in my Masters project which uses LineSegmentIntersector pretty heavily (not-quite-realtime raytracing :-) ) so that will

Re: [osg-users] intersect() methods in LineSegment (probably others)

To: OpenSceneGraph Users Subject: [osg-users] intersect() methods in LineSegment (probably others) I'm not sure what changed (in OSG or our code), but one of our unittests is failing on Windows as I try to upgrade our software to OSG 2.3.3. The picking I'm doing isn't hitting anything

Re: [osg-users] intersect() methods in LineSegment (probably others)

: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jean-Sébastien Guay Sent: Wednesday, February 06, 2008 9:52 AM To: OpenSceneGraph Users Subject: Re: [osg-users] intersect() methods in LineSegment (probably others) Hello Andy, So is anyone counting on this being floats for performance

Re: [osg-users] intersect() methods in LineSegment (probably others)

To: OpenSceneGraph Users Subject: Re: [osg-users] intersect() methods in LineSegment (probably others) Hello Andy, So is anyone counting on this being floats for performance? Would anyone else welcome this calculation in doubles? If you submit a patch, I can test it out in my Masters project

Re: [osg-users] intersect() methods in LineSegment (probably others)

Hi Andy, In your work, could you give me an idea of how often you intersect with a particular line segment object? I'm trying to decide if it is worth it to keep a Vec3d in the class (marking whether it is valid), or keeping double versions of _s and _e. In general terms, my program

Re: [osg-users] intersect() methods in LineSegment (probably others)

:-) only the first version of my kd.tree. latest i still extermly slow with about 700K-800K intersection test per second. there are latest kd-Tree ray check with more than ++ 6M rays per second. www.ompf.org :-) so if we will have such a datastructure, we can do lot special effects, like global

Re: [osg-users] intersect() methods in LineSegment (probably others)

Hello Adrian, :-) only the first version of my kd.tree. latest i still extermly slow with about 700K-800K intersection test per second. there are latest kd-Tree ray check with more than ++ 6M rays per second. www.ompf.org http://www.ompf.org :-) Don't take it personally, I didn't mean

Re: [osg-users] intersect() methods in LineSegment (probably others)

:-) 2008/2/6, Jean-Sébastien Guay [EMAIL PROTECTED]: Hello Adrian, :-) only the first version of my kd.tree. latest i still extermly slow with about 700K-800K intersection test per second. there are latest kd-Tree ray check with more than ++ 6M rays per second. www.ompf.org

Re: [osg-users] intersect() methods in LineSegment (probably others)

To: OpenSceneGraph Users Subject: Re: [osg-users] intersect() methods in LineSegment (probably others) Hello Adrian, :-) only the first version of my kd.tree. latest i still extermly slow with about 700K-800K intersection test per second. there are latest kd-Tree ray check with more than ++ 6M rays per

[osg-users] intersect() methods in LineSegment (probably others)

I'm not sure what changed (in OSG or our code), but one of our unittests is failing on Windows as I try to upgrade our software to OSG 2.3.3. The picking I'm doing isn't hitting anything. It appears that the use of floats in the LineSegment::intersect(BoundingSphere) method may be hurting us.