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Old 01-19-2010, 07:30 PM
atamasan atamasan is offline
Join Date: Jul 2009
Posts: 26
Camare control question(about separated eye view)

Hello. I have a simple question.
I am using emagin HMD (z800), and I have a question about camera control.

A Polhemus sensor is placed on the HMD. Datas from the sensor is used for viz.MainView.
But for some reasons, I use only POS datas.


In my code, to adjust the orientation difference between HMD and viz.MainView, users use keyboard(arrow keys) to rotate MainView. I define it as a initialization.

In my code, both left eye cam and right eye cam are controlled at the same time.
I know that separated view is rendered for both eyes because I use viz.HMD.
Is it possible to control viz.MainView (eye camera?) separately?

I have a problem about user's dominant eye. Tha't why I asked camera control.

Thank you for reading and sorry for my English as always.
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Old 01-20-2010, 10:44 AM
Jeff Jeff is offline
WorldViz Team Member
Join Date: Aug 2008
Posts: 2,471
Take a look at the following thread.

There is some code there that shows how to set up different viewpoints for each eye.
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Old 01-20-2010, 04:33 PM
atamasan atamasan is offline
Join Date: Jul 2009
Posts: 26
Hi, Jeff.

Thank you for reply and the link.
I think it will really help me. Different viewpoints is important for my study.

Thank you again.
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Old 01-28-2010, 06:22 PM
atamasan atamasan is offline
Join Date: Jul 2009
Posts: 26
Sorry I've got another question.
As I wrote before, I'm using a HMD(z800, emagin, see-through type).

To get a match between the real transmitter and the cube I created, I have made a method and it is 80% complete now.
Now, a problem appears when I see the transmitter(through HMD) and the cube. If I close my left eye both boxes are almost match(80 or 90 %).
Then I open my left eye and close my right eye, boxes are not match(the cube moves some centimeters left from the transmotter). I think it is because of binocular parallax?

I thought ipd is reason for that. So I changed ipd like this.
But nothing changed. I know I should use viz.HMD to get a stereoscopic view.
In this case, how can I addjust/set the binocular parallax?

I am sorry for my basic questions for many times.
Thank you.
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