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Forum: Vizard 04-17-2019, 08:06 AM
Replies: 1
Views: 812
Posted By performlabrit
Folks, ignore this. A more careful explanation,...

Folks, ignore this. A more careful explanation, with example code, has been posted to the forum. Please view that posting instead of this one.
Forum: Vizard 04-17-2019, 08:05 AM
Replies: 0
Views: 620
Posted By performlabrit
Fill the Vive's FOV with textures from a rendernode attached to mainview

Hi folks,

I'm using the Vive and can't seem to calculate the field of view used by vizard for the stereo rendering. I need this along the binocluar and vertical directions.

Ultimately, I would...
Forum: Vizard 04-17-2019, 07:27 AM
Replies: 1
Views: 812
Posted By performlabrit
Stereo Field of View?

Hi folks,

I'm using the Vive and can't seem to calculate the field of view used by vizard for the stereo rendering. I need this along the binocluar and vertical directions.

Ultimately, I...
Forum: Vizard 03-01-2018, 07:41 AM
Replies: 3
Views: 1,162
Posted By performlabrit
Problems continue. What's going on?

Sadly, my attempts to place a sphere along the gaze vector are still not behaving as expected. None of the parenting functions work, and viz.setRefrenceFrame is producing unpredictable results. ...
Forum: Vizard 02-28-2018, 05:34 AM
Replies: 3
Views: 1,162
Posted By performlabrit
Success with <node>.setReferenceFrame()

Thanks jeff! The following code worked...

import vizshape
r = vizshape.addSphere(0.05, color = viz.RED)
r.setReferenceFrame(viz.RF_VIEW)
r.setPosition([0,0,1])
Forum: Vizard 02-26-2018, 08:49 AM
Replies: 3
Views: 1,162
Posted By performlabrit
Vive: trouble setting node as a child of the head

Hello folks,

I'm trying to do a routine operation with the vive, and am having trouble. I would like to set a node (a vizshape sphere) in front of the head eye. One approach is to child the node...
Forum: Vizard 12-04-2017, 12:29 PM
Replies: 0
Views: 833
Posted By performlabrit
No wiimote on Windows 10

Hello folks,

Has anyone had any luck getting a wiimote to work on Windows 10? The steps that used to work with Windows 7 no longer work.

If I run the code...

wii = viz.add('wiimote.dle')...
Forum: Vizard 11-02-2017, 02:56 PM
Replies: 3
Views: 1,590
Posted By performlabrit
Confirmed - wiimote not working on windows 10

I have tried it on a Win 10 and Win 7. Works on the latter, but not the former.
Forum: Vizard 07-18-2017, 07:19 AM
Replies: 2
Views: 1,614
Posted By performlabrit
one more thing...

In my original post, I forgot to say that I also made the stereo display the primary monitor. This does not fix the problem, but is essential for stereo rendering.
Forum: Vizard 07-17-2017, 09:11 AM
Replies: 2
Views: 1,614
Posted By performlabrit
Confirmed: Windows 10 current build breaks quad buffering

Just a heads up. Rolling back to Windows 7 fixed our problem. Drivers etc are the same, so I conclude that a recent Windows 10 update broke quad buffering in OpenGL. I could be wrong, but I'm...
Forum: Vizard 07-12-2017, 11:26 AM
Replies: 2
Views: 1,614
Posted By performlabrit
Quad buffering not working after upgrade

I has been working for years, and after the upgrade was to Windows 10, no luck.

The setup involves a Quadro card for monitor 2 (the stereo display, and no others) and a radeon driving the desktop...
Forum: Vizard 06-29-2016, 02:19 PM
Replies: 0
Views: 2,654
Posted By performlabrit
Any experience with Polaris Spectra? VRPN is providing bad data!

This is less an issue with Vizard than it is with VRPN, but I can imagine/hope that a Vizard user has run into this issue previously, and resolved it.

The issue is that VRPN is not streaming...
Forum: Vizard 06-07-2016, 11:06 AM
Replies: 4
Views: 4,583
Posted By performlabrit
Interception? Of a thrown / launched ball, or...

Interception? Of a thrown / launched ball, or something moving along the ground plane? and, I've very sorry not to have responded sooner. I only just saw this.
Forum: Vizard 05-23-2016, 08:13 AM
Replies: 3
Views: 3,506
Posted By performlabrit
...another point.

...I should say that the scaling of the invisible target would reflect the threshold for fixation in angular degrees.

The downside to this is that one must set the threshold BEFORE running the...
Forum: Vizard 05-22-2016, 04:40 PM
Replies: 3
Views: 3,506
Posted By performlabrit
Post-hoc fixation detection from a noisy eye-tracker signal.

I'm looking for tips! I'm using an eye tracker, and brainstorming an algorithm for detecting if someone is fixating upon a target object. The most straight forward approach would be to cast a "gaze...
Forum: Vizard 04-13-2016, 06:11 AM
Replies: 5
Views: 2,934
Posted By performlabrit
Hi Jeff, It's clear that it's a driver...

Hi Jeff,

It's clear that it's a driver issue. Unfortunately, Vizard is the only program we can find that seems to have this driver issue.

Can you offer any additional guidance? Workarounds? ...
Forum: Vizard 04-11-2016, 06:41 AM
Replies: 3
Views: 4,202
Posted By performlabrit
Hi Vaquero, I'm also a Phasespace and Vizard...

Hi Vaquero,

I'm also a Phasespace and Vizard user. I'm happy to chat sometime if you would like. I haven't seen the issues you're seeing with scaling factors, but your'e right that Phasespace's...
Forum: Vizard 02-09-2016, 08:55 AM
Replies: 9
Views: 6,432
Posted By performlabrit
In fact, I do need exact numbers. I'm using an...

In fact, I do need exact numbers. I'm using an eye-tracker and, you're right the geometry of the virtual and real-world may differ. In my calculations, I must stay true to one of the geometries. ...
Forum: Vizard 02-04-2016, 12:57 PM
Replies: 9
Views: 6,432
Posted By performlabrit
Query Oculus FOV

I have the same question. Is there a way to query the total (stereo + monocular) field of view rendered inside the Oculus?
Forum: Vizard 09-29-2015, 07:30 AM
Replies: 5
Views: 6,649
Posted By performlabrit
Thanks, Jeff

Thanks, Jeff
Forum: Vizard 09-11-2015, 01:42 PM
Replies: 5
Views: 6,649
Posted By performlabrit
Any updates here? I have the same question.

Any updates here? I have the same question.
Forum: Vizard 07-14-2015, 01:49 PM
Replies: 1
Views: 3,578
Posted By performlabrit
Render to Oculus DK2 desktop mirror only ?

Hello! I'm using vizconnect to setup the Dk2 in direct mode, and would like to render some things (eye-tracking data) to the desktop mirror. I do not want the person in the helmet to see the...
Forum: Vizard 07-07-2015, 08:34 AM
Replies: 2
Views: 3,087
Posted By performlabrit
I've come to the conclusion that it is an Italian...

I've come to the conclusion that it is an Italian piazza with a spanish restaurant in it.
Forum: Vizard 07-07-2015, 05:33 AM
Replies: 18
Views: 24,964
Posted By performlabrit
I've had some intermittent trouble with the Aurum...

I've had some intermittent trouble with the Aurum cable.

Good news, though: a friend turned me onto a more reliable solution: an HDMI cable with redmere technology. These cables are available on...
Forum: Vizard 06-19-2015, 07:58 AM
Replies: 1
Views: 3,596
Posted By performlabrit
Where do I apply a transform mat. for software keystoning?

Hi guys,

We're implementing a webcam + checkerboard based calibration procedure developed by Moreno and Taubin (http://mesh.brown.edu/calibration/) for software keystoning. The procedure...
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