Le 28/02/2012 15:57, Matthias Kronlachner a écrit :
Am 28.02.12 15:47, schrieb Jack:
Le 28/02/2012 06:25, Matthias Kronlachner a écrit :
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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Hello,
OK, it is working now.
In the pix_openni/README, i would prefer to follow these instructions
in 5 steps (in the middle of the page) :
http://groups.google.com/group/openni-dev/browse_thread/thread/49a4dd13c045c1a2
instead of :
* get and install OpenNI, NITE and the hacked Primesense Kinect driver
--> instruction: https://github.com/avin2/SensorKinect
http://www.openni.org/Downloads/OpenNIModules.aspx
And all should be OK.
Matthias, the hand tracking should work fine ?
Thanx for this external.
++
Jack
ok, i will check that. thanks.
i think things change every month about installing
openni/nite/sensorkinect.
but as you found out there are enough resources that help you with the
installation out there.
thats why i prefer pix_freenect for projects that don't need skeleton
tracking. it's a lot more easy to install and i think also cheaper in
computation power.
the output format of these two objects is basically compatible. so you
can always exchange them if you don't need external tracking stuff.
just a few initialization messages depending on which output mode you
want to have can be different.
OK, good to know.
for hand tracking you have to make a waving gesture.
wave your hand several times after you activated it. after some time
nite should recognize your hand and start tracking.
if you want more easy hand tracking there is the possibility to use
pix_multiblob in combination with filtering the depth image.
OK, I will try it in the minute.
if you want to track severall hands you can check the Nite.ini files
located in these folders: /usr/etc/primesense/Hands_1_*
and uncomment the lines there (remove the ; )
Yep.
thanks for your reporting. that helps to make it more stable.
Thanx for your work.
++
Jack
matthias
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