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Forum: Vizard 08-19-2018, 11:16 AM
Replies: 5
Views: 720
Posted By VizMars
Thank you for providing this link. Afaiu d and z...

Thank you for providing this link. Afaiu d and z (in the example you linked) are two variables that hold standardized depth values, and z is used to construct the color for the depth texture.
I...
Forum: Vizard 08-05-2018, 03:22 AM
Replies: 5
Views: 720
Posted By VizMars
I want to calculate depth information for each...

I want to calculate depth information for each screen pixel in a way that for given 2d screen coordinates (x,y) I get the distance from the user's head to the point in the 3d scene that corresponds...
Forum: Vizard 07-19-2018, 04:25 AM
Replies: 5
Views: 720
Posted By VizMars
Using <window>.screenToWorld within vizcave powerwall

How can one use the <window>.screenToWorld command within a vizcave powerwall?
Specifically, how can one get the length of the line passing through the given screen coordinates (in pixel units) with...
Forum: Vizard 02-26-2018, 09:47 AM
Replies: 1
Views: 1,292
Posted By VizMars
EDIT: There is ghosting when using Vizard's...

EDIT:

There is ghosting when using Vizard's scenes (e.g. the piazza) with the following settings:

scene = vizfx.addChild('piazza.osgb')

view.setPosition([4.659, 1.819, -1.280],...
Forum: Vizard 02-11-2018, 12:24 PM
Replies: 1
Views: 1,292
Posted By VizMars
What causes the ghosting in our cave?

Hi all,

in our experiment we want to show participants different 3d scenes and track their eye movements. They are seated 70 cm in front of a 3D monitor (display width: 59.773 cm; display height:...
Forum: Vizard 12-18-2017, 09:25 AM
Replies: 1
Views: 830
Posted By VizMars
switching from stereo mode to 2d mode

Hello everybody,

does somebody know how one can toggle between the stereo mode, particularly viz.go(viz.QUAD_BUFFER) and the "normal" 2d mode?
Forum: Vizard 11-10-2017, 06:14 AM
Replies: 1
Views: 978
Posted By VizMars
stereoscopic videos with nvidia shutter glasses

(Using Vizard 5) is it possible to play stereoscopic videos (.wmv) which contain both left and right view in a way that one can watch them in 3d with NVIDIA shutter glasses?
Forum: Vizard 11-03-2017, 06:48 AM
Replies: 1
Views: 837
Posted By VizMars
check if fixation is on target

I want to check whether a (gaze) fixation (i.e. a position) is on an object or not in a 3d and a 2d scenario. I think I need the corresponding object coordinates to do this.

What is the best way...
Forum: Vizard 06-14-2017, 02:47 AM
Replies: 2
Views: 1,452
Posted By VizMars
Thank you for the information.

Thank you for the information.
Forum: Vizard 06-14-2017, 02:38 AM
Replies: 1
Views: 1,254
Posted By VizMars
onkeydown for Cedrus Response Pad

How can I implement a "onkeydown" function for the vizxid module?
Forum: Vizard 06-13-2017, 07:35 AM
Replies: 0
Views: 1,140
Posted By VizMars
3D projection: difference cuboid/sphere

Hi!
I'm currently using a powerwall to present cuboid-shaped and spherical objects in 3d.

When I increase the IPD the cuboids retain their size on the screen, but for the spheres the expansion...
Forum: Vizard 06-07-2017, 06:36 AM
Replies: 1
Views: 1,067
Posted By VizMars
3D with polarized filters

Is there an option to use glasses with polarizing filters (not red/blue filters) in Vizard?
Forum: Vizard 06-02-2017, 06:21 AM
Replies: 2
Views: 1,452
Posted By VizMars
field of view powerwall

Is the field of view automatically determined by the powerwall dimensions and the user's position?
Forum: Vizard 05-31-2017, 05:21 AM
Replies: 6
Views: 1,731
Posted By VizMars
Thanks Jeff, that did the job for me!

Thanks Jeff, that did the job for me!
Forum: Vizard 05-30-2017, 06:05 AM
Replies: 6
Views: 1,731
Posted By VizMars
It would be great if I could try to apply the...

It would be great if I could try to apply the view from SketchUp to the model in Vizard as I need the same viewpoint from which the model was exported. Also, it looks like the saved view is displayed...
Forum: Vizard 05-24-2017, 07:17 AM
Replies: 6
Views: 1,731
Posted By VizMars
You are right, there is a node called...

You are right, there is a node called 'skp_camera_Last_Saved_SketchUp_View'. But I don't know how to extract the camera's position and euler values from this node. Can you tell me how to do this?
Forum: Vizard 05-23-2017, 02:02 PM
Replies: 6
Views: 1,731
Posted By VizMars
Import viewpoint from 3rd party software

Is there an option to import the viewpoint that's used in a 3d design sofware, especially Sketchup, in Vizard?
I wonder how I can setup the corresponding viewpoint for an experiment using a vizcave...
Forum: Vizard 01-04-2017, 03:44 AM
Replies: 2
Views: 2,196
Posted By VizMars
Thanks, this works! What exactly is the...

Thanks, this works! What exactly is the difference between vizfx.addChild() and viz.add() ?
Forum: Vizard 12-21-2016, 05:07 AM
Replies: 2
Views: 2,196
Posted By VizMars
difference between cave and Inspector

Hello,

I am using the vizcave module to present objects stereoscopically. When I add my 3d-model (chessboard.OSGB) to the world it looks much brighter than the model I created. In the Inspector,...
Forum: Vizard 11-08-2016, 10:30 AM
Replies: 3
Views: 2,722
Posted By VizMars
Is there an event or function that can tell me...

Is there an event or function that can tell me whether the rendering of the world is finished?
Forum: Vizard 11-04-2016, 11:54 AM
Replies: 3
Views: 2,722
Posted By VizMars
Sorry, but I don't know how to provide a code...

Sorry, but I don't know how to provide a code that reproduces the issues without including the eyetracker commands. I excluded the other parts of the code because these are mainly functions that are...
Forum: Vizard 11-02-2016, 08:12 AM
Replies: 3
Views: 2,722
Posted By VizMars
Timing problem

Hi!
Please find attached a part of my code.
I use a EyeLink 1000 and so "el" stands for eyelink and represents the eyetracker object [el = pylink.EyeLink()]. The variable "ball" is a .osgb-file...
Forum: Vizard 10-25-2016, 04:23 AM
Replies: 1
Views: 2,498
Posted By VizMars
Change initial resolution of text objects

Hi!

Is there a global option to change the text objects initial resolution from 0.25 to 1?
Forum: Vizard 07-01-2016, 04:00 AM
Replies: 1
Views: 2,250
Posted By VizMars
I'm looking for something equivalent to...

I'm looking for something equivalent to <viztask:Task>.kill
Forum: Vizard 07-01-2016, 12:45 AM
Replies: 1
Views: 2,250
Posted By VizMars
Quit director thread

Dear all,

Does anyone know how I can quit a thread created by the <viz>.director command?

Best,
VizMars
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