Am 28.02.12 00:00, schrieb Jack:
Le 27/02/2012 15:51, IOhannes m zmoelnig a écrit : 
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On 2012-02-27 15:20, Jack wrote:


I use Ubuntu 11.04, Pd 0.42.6 and Gem 0.93.git fad1264.

upgrade Gem to at least "0.93.git 1482ffb1538"

and do a complete rebuild of Gem.

fgmasd
IOhannes
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OK, i upgraded Gem to ver: 0.93.git f1a1841 and now i can render the scene without crash.
But, i can't see anything working there : I get a blue sphere where it is write 'gem' and a white rectangle in the top-left corner (even if i select 'rgb 1' in [pd properties]).
If i click on the message 'video_mode' in this subpatch, Pd crash. And if i click on 'bang', nothing happens in the console (there is no available modes).
I miss something ?
One comment : it is very strange to see two [gemhead] connected directly in [pix_openni]. Is there a meaning ?
Thanx for help.
++

Jack
hi!

did you check if the examples included in OpenNI and Nite work? (eg. Sample-NiSimpleViewer, Sample-SceneAnalysis)
they should be somewhere in the Samples/Bin folder.
if they don't work, pix_openni won't work.

ok the crash with video_mode and depth_mode msg is fixed now. but it happend only if image or depth was not started. i was a little bit lazy testing everything without working kinect plugged in.
if you send a [bang( it now writes an error message to the console if no device is available.


so i think you have a problem with your openni/sensor kinect installation.
did you install sensor kinect? this is the driver which allows openni to access the kinect sensor. (https://github.com/avin2/SensorKinect)
you also need the unstable release of OpenNI (-> see install instructions from SensorKinect)


the two gemheads have a meaning - of course.
pix_openni outputs two separated pixes - one "rgb" image from the camera (left gemhead and outlet) and one depth image in various formats from the depthsensor (right gemhead and outlet).
actually it's more implementation side - it could be realized with one gemhead as well. but i did it this way and for me it's logical.
you can also make it with one gemhead and a [t a a] if it looks better for you:

[gemhead]
[t a a]
|     |
[pix_openni]
....

matthias





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