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Forum: Vizard 09-13-2016, 11:44 AM
Replies: 0
Views: 2,053
Posted By dcnieho
passthrough fragment shader

I am trying to do a bit of vertex (and hopefully geometry) shading with the vertices of a node. Specifying a shader program with no fragment shader, or specifying the below fragment shader however...
Forum: Vizard 09-10-2016, 05:27 AM
Replies: 2
Views: 2,811
Posted By dcnieho
Hi Jeff, Thanks for the reply. I am viewing...

Hi Jeff,

Thanks for the reply. I am viewing the scene through the DK2, so its in stereo. My problem is that setting different depth values makes no change in perceived depth of objects on the...
Forum: Vizard 09-07-2016, 08:39 AM
Replies: 5
Views: 5,900
Posted By dcnieho
Hi Jeff, I wanted to note that the below: ...

Hi Jeff,

I wanted to note that the below:



Is also a symptom of not having access to the screen on the HMD through vizard. It could well be the same underlying problem as getting resolution...
Forum: Vizard 09-02-2016, 06:23 AM
Replies: 2
Views: 2,811
Posted By dcnieho
purpose of distance parameter in setRenderWorldOverlay

I have been experimenting with the distance parameter in setRenderWorldOverlay, while viewing a scene through an Oculus DK2. As i understand it, changing the distance should change the stereo-defined...
Forum: Vizard 09-01-2016, 04:31 AM
Replies: 4
Views: 2,680
Posted By dcnieho
hi Jeff, I have now confirmed that the...

hi Jeff,

I have now confirmed that the markers do not seem to swap IDs (at least, if the 'ppt_left' and 'ppt_right' always refer to the same physical marker).
I had the following code run during...
Forum: Vizard 08-31-2016, 08:00 AM
Replies: 4
Views: 2,680
Posted By dcnieho
Hi Jeff, It appears that there indeed is an...

Hi Jeff,

It appears that there indeed is an easy stopgap solution. when i do headLink.postEuler([180,0,0],target=viz.LINK_ORI_OP) does the trick.
headLink =...
Forum: Vizard 08-31-2016, 07:37 AM
Replies: 4
Views: 2,680
Posted By dcnieho
Hi Jeff, Its a bit hard to say, as when it...

Hi Jeff,

Its a bit hard to say, as when it reverses i have to pull off the hmd and run to the PPT computer which shows the history of the marker positions. But when i do so, i see that each...
Forum: Vizard 08-30-2016, 08:43 AM
Replies: 4
Views: 2,680
Posted By dcnieho
Optical Heading reverses

I am using a DK2+optical heading setup with two markers rigidly mounted on the DK2 at 19.5 cm distance. The markers a tracked by a PPT-X system running on PPT studio 2008. It's basically the...
Forum: Vizard 07-08-2016, 05:06 AM
Replies: 6
Views: 3,029
Posted By dcnieho
Hi Jeff, I just realize that more is...

Hi Jeff,

I just realize that more is affected by the fact that viz.MainWindow refers to the auxiliary window on the desktop: calls to functions such as viz.MainWindow.worldToScreen() don't do the...
Forum: Vizard 07-08-2016, 01:41 AM
Replies: 6
Views: 3,029
Posted By dcnieho
Hi Jeff, Thanks for getting back to me!...

Hi Jeff,

Thanks for getting back to me! First off, is it perhaps better if we handle this through a support ticket and then post the final results here?

I have hacked together the following to...
Forum: Vizard 07-07-2016, 05:16 AM
Replies: 6
Views: 3,029
Posted By dcnieho
Sorry to keep adding. to the last message: ...

Sorry to keep adding. to the last message:
specifically, i am trying to get the following info:

w,h = viz.MainWindow.getSize()
params.resolution = (w,h)
params.refreshRate=...
Forum: Vizard 07-07-2016, 04:59 AM
Replies: 6
Views: 3,029
Posted By dcnieho
And i have a related question. In an overlay, the...

And i have a related question. In an overlay, the sizes I should specify my objects in are in pixels, after setting the overlay to the correct resolution. I am having difficulty getting the size of...
Forum: Vizard 07-03-2016, 08:06 AM
Replies: 6
Views: 3,029
Posted By dcnieho
Dear Jeff, Perhaps it is useful if i provide...

Dear Jeff,

Perhaps it is useful if i provide some more background.

I am trying to get some items i render with parent=viz.SCREEN or parent=viz.ORTHO to show up on the Vive.

Since my last...
Forum: Vizard 07-03-2016, 06:03 AM
Replies: 6
Views: 3,029
Posted By dcnieho
Different projection matrix per viewpoint

Dear Jeff,

I have implemented a solution where i can change the viewpoint with a toggle button, so i can see a topview instead of a view through the "virtual eyes". In very brief:

BirdEyeView ...
Forum: Vizard 06-14-2016, 06:11 AM
Replies: 2
Views: 3,030
Posted By dcnieho
Hi Jeff, Yes, that was exactly the thing....

Hi Jeff,

Yes, that was exactly the thing. thanks!
Forum: Vizard 06-13-2016, 08:27 AM
Replies: 0
Views: 2,368
Posted By dcnieho
setIPD

I have some generic code for managing the IPD used for stereo rendering, e.g. to an HMD display such as an NVIS. I see now that the oculus extension comes with its own setIPD() function, which...
Forum: Vizard 06-13-2016, 07:51 AM
Replies: 2
Views: 3,030
Posted By dcnieho
apply transformations on vizconnect link

Dear All,

As part of our experiment setup, we use a few link operations to, e.g., rotate the virtual world with respect to the physical world. This worked fine before when i imported my own...
Forum: Vizard 06-13-2016, 07:01 AM
Replies: 3
Views: 3,110
Posted By dcnieho
Thanks! In my case the scene is real simple,...

Thanks! In my case the scene is real simple, renderToEye() to hide the objects i only want to see in one eye is even simpler. Nice!
Forum: Vizard 06-13-2016, 07:00 AM
Replies: 5
Views: 5,900
Posted By dcnieho
You can use parent=viz.SCREEN to have an object...

You can use parent=viz.SCREEN to have an object in screen based coordinates instead of int eh virtual world. works with vizshape at least.
Forum: Precision Position Tracker (PPT) 06-09-2016, 08:25 AM
Replies: 4
Views: 7,679
Posted By dcnieho
I may also want to use the PPT together with our...

I may also want to use the PPT together with our Vive (the room is a little large for the lighthouse system, according to its specs anyway). So such discussions are interesting to me (before i try)....
Forum: Vizard 06-09-2016, 08:22 AM
Replies: 3
Views: 3,110
Posted By dcnieho
monocular rendering in HMD

Hi Guys,

Is there an easy way to only render to one of the eyes in an HMD, presenting black/nothing to the other? HMDs in question are the Rift DK2 and the HTC Vive (in case solutions are specific...
Forum: Vizard 11-04-2014, 05:35 PM
Replies: 3
Views: 3,269
Posted By dcnieho
Hi Jeff, Thanks for the suggestions. Data...

Hi Jeff,

Thanks for the suggestions. Data is recorded at 60 fps, and also i have not implemented any throttling to mimic the recorded timestamps of each frame. It should simply play v-synced. I...
Forum: Vizard 11-03-2014, 02:13 AM
Replies: 3
Views: 3,269
Posted By dcnieho
I can no longer edit my post, but I have fixed...

I can no longer edit my post, but I have fixed the problem of orientation data disappearing. Now it is just left to wondering what is so suboptimal about what I'm doing that I achieve only 30 fps,...
Forum: Vizard 11-03-2014, 01:00 AM
Replies: 3
Views: 3,269
Posted By dcnieho
Question linking viewpoint to viz.node

Some background first:
I have a project in which the mainview is linked to 6DOF data recorded when walking with HMD. There are some transforms in between the data from the tracker and the...
Forum: Vizard 06-25-2014, 01:46 PM
Replies: 1
Views: 3,012
Posted By dcnieho
exact copy of mainview in second window

First-off, I am not sure if mainview is the right term given my problem.

The main view that people see in my code contains both objects in the world and a few objects draw on the screen...
Showing results 1 to 25 of 59

 
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