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Search: Posts Made By: GiudiceLab
Forum: Vizard 10-02-2010, 07:52 PM
Replies: 1
Views: 4,003
Posted By GiudiceLab
Unhappy Timer event in viztask

I am trying to detect when a timer has expired in order to capture the time it takes a person to respond to a change. Using viztask, my code looks something like

# Start a timer...
Forum: Precision Position Tracker (PPT) 05-21-2010, 08:47 AM
Replies: 3
Views: 6,716
Posted By GiudiceLab
We're using standard markers and yes, there...

We're using standard markers and yes, there usually appears to be some flickering in one or more cameras, but sometimes not. We figured when we can't see it, it is happening really fast. We also...
Forum: Precision Position Tracker (PPT) 05-19-2010, 09:48 AM
Replies: 3
Views: 6,716
Posted By GiudiceLab
LED dropout question

Hi,
We are trying to track two LEDs simultaneously, and occasionally one of the markers will dropout (marker indicator turns red). We're not really sure why, because the LED appears visible in all...
Forum: Vizard 01-29-2010, 06:18 AM
Replies: 2
Views: 3,379
Posted By GiudiceLab
We monitor our participant's orientation with an...

We monitor our participant's orientation with an Intersense cube, and record orientation periodically to a datafile. Our code looks something like this:

response_orientation = marker.getEuler()...
Forum: Vizard 01-27-2010, 07:39 AM
Replies: 1
Views: 3,762
Posted By GiudiceLab
Your collide box dimensions with one foot are...

Your collide box dimensions with one foot are much smaller than with the other. Could that be the problem?
Forum: Vizard 01-27-2010, 07:37 AM
Replies: 2
Views: 3,026
Posted By GiudiceLab
You might try using Blender. It's fairly similar...

You might try using Blender. It's fairly similar to 3D Studio Max and it's freeware and open source.
Forum: Vizard 01-27-2010, 07:35 AM
Replies: 3
Views: 4,453
Posted By GiudiceLab
I've attached our sample script. It's rather...

I've attached our sample script. It's rather difficult to explain concisely, except that the sound spatialization is much more convincing in XP. It's like the hrtf_full algorithm is not applied at...
Forum: Vizard 01-26-2010, 08:08 AM
Replies: 10
Views: 6,482
Posted By GiudiceLab
Wow, I guess you could spend $1200 on a...

Wow, I guess you could spend $1200 on a dual-monitor card if you wanted, but you should be able to get one for much less. They come in the $100 range for basic older models. We have a sweet NVIDIA...
Forum: Vizard 01-25-2010, 08:01 AM
Replies: 3
Views: 4,453
Posted By GiudiceLab
Is anyone else using Windows 7 with Vizard? Has...

Is anyone else using Windows 7 with Vizard? Has anyone else had this kind of issue?
Forum: Vizard 01-25-2010, 07:58 AM
Replies: 10
Views: 6,482
Posted By GiudiceLab
Ok, Bill, I'm getting a sense of your setup now. ...

Ok, Bill, I'm getting a sense of your setup now. It sounds like you have only one monitor, and the output goes from the computer through the goggles and then to your monitor. It's likely that your...
Forum: Vizard 01-22-2010, 08:57 AM
Replies: 10
Views: 6,482
Posted By GiudiceLab
Our eMagin visor has two VGA connectors on its...

Our eMagin visor has two VGA connectors on its control box. One is the input from the computer, and the second is an optional output from the box, which they call the 'backfeed'. It's not truly an...
Forum: Vizard 01-19-2010, 08:19 AM
Replies: 10
Views: 6,482
Posted By GiudiceLab
Hi Bill, We output our experimental 'markers'...

Hi Bill,
We output our experimental 'markers' (like trial number and target location) to the Vizard command window using print commands. We have an eMagin visor that outputs as monitor 2, and we...
Forum: Vizard 01-19-2010, 08:04 AM
Replies: 3
Views: 4,453
Posted By GiudiceLab
Spatialized sound in Windows 7

We recently switched over to using Windows 7 (from Windows XP) and while we were debugging some scripts that use spatialized sound, we noted that the spatialization seems very basic, even with the...
Forum: Vizard 01-10-2010, 03:51 PM
Replies: 2
Views: 5,847
Posted By GiudiceLab
Hey, Bill, I'm not sure if I understand your...

Hey, Bill,
I'm not sure if I understand your question correctly, but if you are new to Windows and are used to working in a command line setting like the Terminal in Linux, I think you are looking...
Forum: Vizard 11-27-2009, 12:42 PM
Replies: 0
Views: 4,251
Posted By GiudiceLab
Matrix Transform and Bumpmap

We are attempting to add a field of grass by applying a texture to a texquad. We are scaling the texquad using a matrix transform, applying the grass texture and then applying a bumpmap. The...
Forum: Vizard 11-06-2009, 08:03 AM
Replies: 2
Views: 6,025
Posted By GiudiceLab
It looks like you were using the sensor that is...

It looks like you were using the sensor that is built into the eMagin visor, and not the intersense cube here:

viz.go(viz.QUADBUFFER | viz.FULLSCREEN)...
Forum: Vizard 11-05-2009, 11:40 AM
Replies: 7
Views: 4,389
Posted By GiudiceLab
I'm glad you mentioned the Logitech; I had...

I'm glad you mentioned the Logitech; I had forgotten that we had a wireless Logitech headset, so I dragged it out of the cupboard, and once again failed to replicate the issue. So I'll use that one...
Forum: Vizard 11-05-2009, 11:31 AM
Replies: 0
Views: 3,130
Posted By GiudiceLab
Picture in overlay menu?

Is it possible to put a picture or icon into a menu or vizinfo box? We would like to put a diagram of the D-pad on the wiimote on the screen as part of our instructions.
Forum: Vizard 11-02-2009, 08:28 AM
Replies: 7
Views: 4,389
Posted By GiudiceLab
After I read your post, I realized that I had not...

After I read your post, I realized that I had not tried this script with our other headphones. I ran it just now and I can't replicate the problem with our wired headphones; it seems only the...
Forum: Vizard 10-29-2009, 01:36 PM
Replies: 7
Views: 4,389
Posted By GiudiceLab
Sample script

I've attached a sample script that seems to replicate the problem. I used the 'quack.wav' file because I assumed you would be able to access it, but if you need a copy of the sound file, let me...
Forum: Vizard 10-29-2009, 01:05 PM
Replies: 7
Views: 4,389
Posted By GiudiceLab
I will create a sample script for you shortly. ...

I will create a sample script for you shortly. We are using the default DirectSound algorithm.
Forum: Vizard 10-27-2009, 11:36 AM
Replies: 7
Views: 4,389
Posted By GiudiceLab
Trouble with listener updating position?

We have a script that toggles an object to play a sound whenever the viewpoint orientation is within a certain threshold (so when the person is looking at the object). It works very well until the...
Forum: Vizard 10-27-2009, 11:09 AM
Replies: 3
Views: 4,939
Posted By GiudiceLab
We use a Trendnet TBW-106UB USB Adapter; it's...

We use a Trendnet TBW-106UB USB Adapter; it's nice because it works with all of our bluetooth devices. The key for us has been to use BlueSoleil software since it has pretty much every bluetooth...
Forum: Vizard 10-09-2009, 09:59 AM
Replies: 2
Views: 3,612
Posted By GiudiceLab
Thank you for your input on this as well as your...

Thank you for your input on this as well as your help with the configuration files.
Forum: Vizard 10-09-2009, 09:57 AM
Replies: 4
Views: 3,767
Posted By GiudiceLab
That did the trick. Thank you very much!

That did the trick. Thank you very much!
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