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Am 28.02.12 15:47, schrieb Jack:
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Le 28/02/2012 06:25, Matthias Kronlachner a écrit :
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Am 28.02.12 00:00, schrieb Jack:
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Le 27/02/2012 15:51, IOhannes m zmoelnig a écrit :
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On 2012-02-27 15:20, Jack wrote:
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<pre wrap="">I use Ubuntu 11.04, Pd 0.42.6 and Gem 0.93.git fad1264.
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<pre wrap="">upgrade Gem to at least "0.93.git 1482ffb1538"
and do a complete rebuild of Gem.
fgmasd
IOhannes
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<br>
OK, i upgraded Gem to ver: 0.93.git f1a1841 and now i can
render the scene without crash.<br>
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]).<br>
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).<br>
I miss something ?<br>
One comment : it is very strange to see two [gemhead]
connected directly in [pix_openni]. Is there a meaning ?<br>
Thanx for help.<br>
++<br>
<br>
Jack<br>
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hi!<br>
<br>
did you check if the examples included in OpenNI and Nite work?
(eg. Sample-NiSimpleViewer, Sample-SceneAnalysis) <br>
they should be somewhere in the Samples/Bin folder.<br>
if they don't work, pix_openni won't work.<br>
<br>
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.<br>
if you send a [bang( it now writes an error message to the
console if no device is available.<br>
<br>
<br>
so i think you have a problem with your openni/sensor kinect
installation.<br>
did you install sensor kinect? this is the driver which allows
openni to access the kinect sensor. (<a moz-do-not-send="true"
class="moz-txt-link-freetext"
href="https://github.com/avin2/SensorKinect">https://github.com/avin2/SensorKinect</a>)<br>
you also need the unstable release of OpenNI (-> see install
instructions from SensorKinect)<br>
<br>
<br>
the two gemheads have a meaning - of course.<br>
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).<br>
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.<br>
you can also make it with one gemhead and a [t a a] if it looks
better for you:<br>
<br>
[gemhead]<br>
[t a a]<br>
| |<br>
[pix_openni]<br>
....<br>
<br>
matthias<br>
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Hello,<br>
<br>
OK, it is working now.<br>
<br>
In the pix_openni/README, i would prefer to follow these
instructions in 5 steps (in the middle of the page) :<br>
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://groups.google.com/group/openni-dev/browse_thread/thread/49a4dd13c045c1a2">http://groups.google.com/group/openni-dev/browse_thread/thread/49a4dd13c045c1a2</a><br>
instead of :<br>
* get and install OpenNI, NITE and the hacked Primesense Kinect
driver<br>
--> instruction: <a moz-do-not-send="true"
class="moz-txt-link-freetext"
href="https://github.com/avin2/SensorKinect">https://github.com/avin2/SensorKinect</a><br>
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://www.openni.org/Downloads/OpenNIModules.aspx">http://www.openni.org/Downloads/OpenNIModules.aspx</a><br>
<br>
And all should be OK.<br>
<br>
Matthias, the hand tracking should work fine ?<br>
Thanx for this external.<br>
++<br>
<br>
Jack<br>
<br>
<br>
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ok, i will check that. thanks.<br>
i think things change every month about installing
openni/nite/sensorkinect.<br>
but as you found out there are enough resources that help you with
the installation out there.<br>
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.<br>
the output format of these two objects is basically compatible. so
you can always exchange them if you don't need external tracking
stuff.<br>
just a few initialization messages depending on which output mode
you want to have can be different.<br>
<br>
for hand tracking you have to make a waving gesture.<br>
wave your hand several times after you activated it. after some time
nite should recognize your hand and start tracking.<br>
if you want more easy hand tracking there is the possibility to use
pix_multiblob in combination with filtering the depth image.<br>
<br>
if you want to track severall hands you can check the Nite.ini files
located in these folders: /usr/etc/primesense/Hands_1_*<br>
and uncomment the lines there (remove the ; )<br>
<br>
<br>
thanks for your reporting. that helps to make it more stable.<br>
<br>
matthias<br>
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