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Search: Posts Made By: roman_suvorov
Forum: Vizard 07-31-2008, 09:43 AM
Replies: 1
Views: 5,537
Posted By roman_suvorov
UPDATE: the error message is gone now, wiimote...

UPDATE: the error message is gone now, wiimote works fine. Nothing really changed except that when I started BlueSoleil this time wiimote did not show up around the orange cicrle in the middle of the...
Forum: Vizard 07-31-2008, 08:42 AM
Replies: 1
Views: 5,537
Posted By roman_suvorov
Question RE: 'ERROR: Failed to create extension sensor with wiimote.dle'

Hi, I recently started playing with wiimote and I can't seem to get it to work.
The error message I'm getting is in the thread's name.
Wiimote seems to be set up correctly in BlueSoleil 1.6.0...
Forum: Vizard 07-31-2008, 08:31 AM
Replies: 4
Views: 5,043
Posted By roman_suvorov
Thanks farshizzo, very helpful as usual. Works...

Thanks farshizzo, very helpful as usual. Works flawlessly now. :)
Forum: Vizard 07-26-2008, 02:36 PM
Replies: 4
Views: 5,043
Posted By roman_suvorov
Question Sound doesn't play from director functions

Hello, when running a sample script like this one:


import viz
viz.go()

def playSound():
sound = viz.addAudio("quack.wav")
sound.play()
return
Forum: Vizard 06-17-2008, 10:13 AM
Replies: 8
Views: 4,712
Posted By roman_suvorov
Question Do you then know by any chance what course of...

Do you then know by any chance what course of action does Vizard take if you try to set an object's quaternion to [x,y,z,w] such that x^2+y^2+z^2+w^2 > 1?
For example, add this function definition...
Forum: Vizard 06-11-2008, 06:05 PM
Replies: 8
Views: 4,712
Posted By roman_suvorov
Damn, forgot about that acos. Then to get no...

Damn, forgot about that acos. Then to get no rotation I need to use w=-1: 2*acos(-1) = 360 degrees. Thanks again farshizzo!

EDIT: The following code makes MainView look down X.

import viz...
Forum: Vizard 06-11-2008, 05:34 PM
Replies: 8
Views: 4,712
Posted By roman_suvorov
Lightbulb All right, I've read QUITE A BIT about...

All right, I've read QUITE A BIT about quaternions at this point but still don't get them .. :(

Here's some sample code. Copy/paste and run this:


import viz
viz.go(viz.FULLSCREEN)
...
Forum: Vizard 05-28-2008, 10:51 AM
Replies: 8
Views: 4,712
Posted By roman_suvorov
Thanks farshizzo, I appreciate it. Now knowing...

Thanks farshizzo, I appreciate it.
Now knowing that my math is all wrong you can disregard the script I've sent you (as mentioned here (http://www.worldviz.com/forum/showthread.php?t=1470)).
Forum: Vizard 05-23-2008, 02:41 PM
Replies: 8
Views: 4,712
Posted By roman_suvorov
Question Quaternions

Hello, can anyone tell me the exact meaning of the [x,y,z,w] components of a quaternion returned by a .getQuat() function? I am particularly interested in the range these values can take, especially...
Forum: Vizard 05-23-2008, 07:51 AM
Replies: 16
Views: 10,792
Posted By roman_suvorov
This might be at least part of the issue: I...

This might be at least part of the issue: I double-checked with NVIDIA control panel v. 1.5.2400.10, and it shows that the HMD's resolution is set to 1024 x 768 as opposed to its native 1600 x 1200....
Forum: Vizard 05-22-2008, 05:28 PM
Replies: 16
Views: 10,792
Posted By roman_suvorov
Sure, neither of these 4 are displayed correctly...

Sure, neither of these 4 are displayed correctly (see attached).
Forum: Vizard 05-22-2008, 05:10 PM
Replies: 16
Views: 10,792
Posted By roman_suvorov
OK, this is getting confusing. The same 1600 x...

OK, this is getting confusing. The same 1600 x 1200 image
http://img230.imageshack.us/img230/3310/hmdtest2tr2.th.jpg (http://img230.imageshack.us/my.php?image=hmdtest2tr2.jpg)
looks just fine when...
Forum: Vizard 05-22-2008, 04:39 PM
Replies: 16
Views: 10,792
Posted By roman_suvorov
Tried resizing the texture image to 1024 x 1024...

Tried resizing the texture image to 1024 x 1024 and to 2048 x 1024. In both cases the problem persists (with the HMD completely disconnected). :(
The problem is apparent only in Vizard, this "shift"...
Forum: Vizard 05-22-2008, 04:16 PM
Replies: 16
Views: 10,792
Posted By roman_suvorov
Yeah, this works, although the crosshair doesn't...

Yeah, this works, although the crosshair doesn't fill up the whole screen, it's shown in a window like this (see attached image).
Don't you have to use viz.go(viz.FULLSCREEN) instead to get the...
Forum: Vizard 05-22-2008, 03:37 PM
Replies: 16
Views: 10,792
Posted By roman_suvorov
Just tried it; no, the problem persists.

Just tried it; no, the problem persists.
Forum: Vizard 05-22-2008, 03:03 PM
Replies: 16
Views: 10,792
Posted By roman_suvorov
Hi farshizzo, the computer I'm running this on is...

Hi farshizzo, the computer I'm running this on is brand-new so it's unlikely there's a problem with the GPU itself.
I just updated the GPU drivers for my NVIDIA GeForce 9600 GT to v. 6.14.11.7516...
Forum: Vizard 05-22-2008, 02:19 PM
Replies: 16
Views: 10,792
Posted By roman_suvorov
Thanks farshizzo, I get it now. Your code works...

Thanks farshizzo, I get it now. Your code works although the image is still definitely "shifted" in the same way as before (see thumbnail below). One thing I do not understand is why this shift is...
Forum: Vizard 05-21-2008, 08:36 PM
Replies: 16
Views: 10,792
Posted By roman_suvorov
Unhappy Hi farshizzo, I just tested out that piece of...

Hi farshizzo,
I just tested out that piece of code.. Well, when using this 800 x 600 image:
http://img339.imageshack.us/img339/2146/hmdtest1inputaq2.th.jpg...
Forum: Vizard 05-21-2008, 01:47 PM
Replies: 16
Views: 10,792
Posted By roman_suvorov
Question View an image on the Fakespace HMD

Hello, not sure if this is the place to ask this, but here goes ..
I'm suspecting that there's a problem with our Fakespace Labs' HMD: it seems to not display enough of the peripheral area. I...
Forum: Vizard 05-20-2008, 01:10 PM
Replies: 10
Views: 9,128
Posted By roman_suvorov
Actually, I don't think I can PM this: the script...

Actually, I don't think I can PM this: the script and my comments combine for ~23,500 characters plus I need to attach a ~2.5 MiB output log. Can you PM me your email, farshizzo? Thanks!
Forum: Vizard 05-20-2008, 11:55 AM
Replies: 10
Views: 9,128
Posted By roman_suvorov
Thanks farshizzo! This seems to work, although...

Thanks farshizzo! This seems to work, although the current performance is pretty awful, I estimate the animation lag of ~ 300 ms which is quite bad given that at ~ 100 ms some subjects already...
Forum: Vizard 05-16-2008, 02:35 PM
Replies: 10
Views: 9,128
Posted By roman_suvorov
Question pre/post Trans/Quat functions

I hope it's okay to ask a completely different question here regarding the same project..
I am now trying to get position tracking to work properly. Simply doing something along these lines in...
Forum: Vizard 05-08-2008, 04:30 PM
Replies: 10
Views: 9,128
Posted By roman_suvorov
Question Thanks again farshizzo. Your tip doesn't seem to...

Thanks again farshizzo. Your tip doesn't seem to help in my case though - "slerp" somehow disables position tracking. I think I am going to go with a manual solution (coding this data integration...
Forum: Vizard 05-02-2008, 12:42 PM
Replies: 10
Views: 9,128
Posted By roman_suvorov
Thank you for such a lightning-fast reply! Too...

Thank you for such a lightning-fast reply!
Too bad there's no built-in feature to do this. What I'm trying to do is to correct Vicon by InertiaCube. Vicon is a 6-DOF system it has both positional...
Forum: Vizard 05-02-2008, 12:23 PM
Replies: 10
Views: 9,128
Posted By roman_suvorov
Post Integrating InertiaCube and Vicon data

Hello, I'm working on a project a part of which requires tracking the user's movements using both Vicon and InterSense InertiaCube data.
The reason is the fact that the orientational data coming...
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