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-   -   hand model features? (https://forum.worldviz.com/showthread.php?t=533)

halley 03-11-2006 07:52 AM

hand model features?
 
We're using 5DT data gloves, which work nicely with Vizard. A couple questions:

Might there be any support for finger adduction (spreading) in Vizard 3? The higher-end data gloves report adduction values between each pair of fingers.

Also, I like the "constant calibration" feature, where the glove range of motion is collected at all times instead of requiring a calibration step. However, there are some situations where a knuckle sensor reads a value that is more bent than the fingers can do, and from that point on, the virtual hand never achieves full bend. Is there a way to reset or reduce the calibrated range of motion, so the user can get the full "normal" range again?

Is there a way to ask the sensor for a given fingertip model's world position through forward-kinematics? I'm hoping to work with finger gestures like "fingerpainting" and pushing virtual buttons. I know the virtual hand model may not match the real finger due to all the issues with hand sensors, but I want the virtual hand model positions that the user sees.

farshizzo 03-13-2006 10:11 AM

The actual sensor should report back these values, it's just that the hand module doesn't use them. It was originally written for the low end model, so adduction wasn't present.

You can call sensor.reset() to reset the calibration settings of the glove.

No, but this wouldn't be very difficult to add to the 3.0 release.


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