Search found 149 matches

by leith
Wed Dec 08, 2010 5:53 pm
Forum: ARENA & Expression
Topic: About three-marker wand
Replies: 6
Views: 4568

Re: About three-marker wand

<t>hint: In an ideal rectilinear imaging system (like a pinhole camera or a virtual camera) a straight line in 3d space makes a straight line in viewspace.<br/> <br/> hint: In a non-ideal rectilinear imaging system (like a camera with a lense) there is often lense distortion, that results in straigh...
by leith
Wed Dec 08, 2010 5:32 pm
Forum: Camera SDK
Topic: .net wrappers for c++ SDK
Replies: 46
Views: 126867

Re: .net wrappers for c++ SDK

<r>Its now up. Under the lGPL.<br/> <br/> <URL url="https://code.google.com/p/npcamerasdkdotnet/">https://code.google.com/p/npcamerasdkdotnet/</URL><br/> <br/> Ugly as it is. It has been streaming frames for me for a week now. So while I have not exposed the entire SDK, the parts I have exposed do s...
by leith
Tue Dec 07, 2010 12:33 pm
Forum: Camera SDK
Topic: .net wrappers for c++ SDK
Replies: 46
Views: 126867

Re: .net wrappers for c++ SDK

Cool. I'm going to try to release today. I just have some appointments and errands that may get in the way.

Thanks Doug.
by leith
Mon Dec 06, 2010 8:59 pm
Forum: General OptiTrack Support
Topic: V100 optical center
Replies: 2
Views: 2321

V100 optical center

<t>Hey all.<br/> <br/> I've got a question about the older v100 cameras and their optical center.<br/> <br/> I just finished up writing my own distortion solver. And I'm finding that every lense I've got (I have a mixed system) has its optical distortion off center, about 40 pixels to the left and 2...
by leith
Mon Dec 06, 2010 8:46 pm
Forum: Camera SDK
Topic: optitrack sdk and quest 3d
Replies: 9
Views: 7964

Re: optitrack sdk and quest 3d

Just so happens I have my mocap system working with unity3d right now. On the mac no less :) I'm streaming 2d data from the pc to the mac. So the cameras are not on the mac. But well, you get the idea.

Anyhow, its completely possible. Does work.
by leith
Fri Dec 03, 2010 1:50 pm
Forum: Camera SDK
Topic: optitrack sdk and quest 3d
Replies: 9
Views: 7964

Re: optitrack sdk and quest 3d

call me crazy... but isn't location 00000000 null? In which case, its likely you are passing a null pointer into quest and its trying to dereference it anyway?
by leith
Thu Dec 02, 2010 2:04 pm
Forum: Camera SDK
Topic: .net wrappers for c++ SDK
Replies: 46
Views: 126867

Re: .net wrappers for c++ SDK

<r>Ok. That's what I wanted to know. The wrapper layer, as you say, is super thin. Wasn't going to thread it. Its my client app I was curious about. But if its multi threaded behind the SDK then as you say, not worth breaking up again unless its for other reasons.<br/> <br/> Thanks Doug.<br/> <br/> ...
by leith
Thu Dec 02, 2010 9:41 am
Forum: Camera SDK
Topic: .net wrappers for c++ SDK
Replies: 46
Views: 126867

Re: .net wrappers for c++ SDK

I think I saw somewhere that parts of the SDK are thread safe?

Is that to the point that say... I could spawn a thread for each camera and poll each camera for its own frames independently? Or is it better to address the cams from a single thread?
by leith
Wed Dec 01, 2010 11:47 pm
Forum: Camera SDK
Topic: .net wrappers for c++ SDK
Replies: 46
Views: 126867

Re: .net wrappers for c++ SDK

My gosh this is fast. My first gen quad core intel is processing 20 cams at full 100fps and not even pinning a single core.

Very impressive. Great job NP folk.

-brad
by leith
Wed Dec 01, 2010 11:29 pm
Forum: Camera SDK
Topic: .net wrappers for c++ SDK
Replies: 46
Views: 126867

Re: .net wrappers for c++ SDK

or maybe sooner... just got it capturing frames in precision grayscale mode.