Sorry, I forgot about it... Here it is :)
http://linuxuser.at/download/irc_olpc_soc.txt
- Chris
Mel Chua wrote:
I offered to clean up and post the notes if someone would email me a log
(I was on web chat on a borrowed computer, and don't have logs of my own
from the conversation).
Nirav Patel wrote:
I've been playing with vision processing stuff for the XO, mostly
using OpenCV. I have some sample code up at
http://eclecti.cc/code/face-detection-on-the-olpc-xo that does face
detection surprisingly quickly. It seems that the bottleneck isn't
even the OpenCV Haar
Hey all,
Josh and I now made some speed tests with both 2D physics engines -
Box2D and Chipmunk - and here are some results. One warning though: The
tests were made with Python, and for Box2D there's a library compiled
with swig, whereas Chipmunk's interface is done with ctypes. This may
Hey,
I've now done speed tests with rectangles instead of balls, and here
box2d is performing even better.
http://wiki.laptop.org/go/Physic_Engines/Speed_Tests
Jeremy Fitzhardinge wrote:
Chris Hager wrote:
Hey all,
Josh and I now made some speed tests with both 2D physics engines
Joshua Minor wrote:
On Mar 18, 2008, at 9:48 AM, Chris Hager wrote:
How do the physics models themselves compare?
The only difference I noticed so far is that Box2D calculates in MKS
(meter-kilo-seconds), and we have to do the translation to pixels by
hand.
I have noticed that Chipmunk
Hey all,
The webcam on the XO sure has a lot of potential for cool killer apps.
For example things with
- Motion Tracking
- Gesture Recognition
- Face Recognition
- Object Identification
- ...
Recently I came in touch with OpenCV
(http://en.wikipedia.org/wiki/Opencv) -- it's a open source
Bert Freudenberg wrote:
Xo-get does a lot more with its database of installed activities etc.
Mine simply downloads and installs activities from the repository for
supported activities.
But I'd be happy if someone merged my script into xo-get, I do not
intend to maintain it indefinitely.
Bert Freudenberg wrote:
Xo-get does a lot more with its database of installed activities etc.
Mine simply downloads and installs activities from the repository for
supported activities.
But I'd be happy if someone merged my script into xo-get, I do not
intend to maintain it indefinitely.
/update-activities.py, and run it without parameters.
Best,
- Chris
Chris Hager wrote:
Sorry for posting twice here before, but somehow I didn't receive any
devel and sugar mails for 2 days... Now seems to work again. :p
I'm just about implementing the script into xo-get, and I was thinking
Todd Cranston-Cuebas wrote:
Actually, I spent a good part of the weekend thinking about how I
would respond to this thread. First, it's important to decide if OLPC
want to be truly open. If open means sharing, collaborating,
supporting, etc. then the BibleReader should definitely be
+ buoyancy and a more sophisticated solver. Another
open-source alternative, Box2D, also has motors which Chipmunk does not.
-josh
On Mar 12, 2008, at 9:49 PM, Nicola Larosa wrote:
Chris Hager wrote:
PS: Phun seems to be interesting, but unfortunately it comes without
source :(
From
Hey,
I've just finished making a xo bundle out of the physics thingy :) It's
a selection of the 3 last demos (6, 7 and 8). With not too many objects,
it's quite fun to play with :) Especially the drawing and behaviour of
polygons is always again fascinating. The activity (and project) is now
Hey.
Chris Ball wrote:
Hi,
http://wiki.laptop.org/go/Pymunx
Wow, how awesome! Do you have an XO to test on? Have you thought about
releasing a standalone .xo, or throwing these into Pippy? What are the
dependencies and disk usage like for the underlying chipmunk library
Yeah, I
Victor Lazzarini wrote:
Hi all,
what would be the best bet for going about implementing
structured graphics a-la Tkinter's canvas class in XO
activities? Would it be PyCairo? or PyGTK (gtk/gdk)?
also could anyone point to a PyGTK custom widget
tutorial somewhere? I had a look at one in
Hey all.
Recently I did some research on 2D (SDL) physic engines, and found that
one of the most popular (called Chipmunk) with python bindings (pymunk)
recently got an update. I had a look into it, and am totally amazed :)
The chipmunk engine is easy, stable, fast, fun, open-source -- and now
Hey all,
I just wanted to inform you, that we have 3 Activities with the system
name maze (specified in activity.info). They are:
1. Maze
2. Jigsaw Puzzle
3. GCompris-Maze
I'm not sure what impact it may have on Journal, Sugar or removing the
bundles, there are some issues with xo-get, as it
Hey all!
I am delighted to announce a graphical user interface for xo-get! Now
it's possible to install, try and remove most available activities with
a few simple clicks. Links:
http://xo-get.olpc.at/xoget.xo
http://wiki.laptop.org/go/Xo-get/Xo-get-gtk
Xo-get is now using a central
* Versioning
I create a new bundle version at each release but how should I release the
new bundles. How will your script handle that.
As of currently, xo-get recognizes new gcompris activities with new
urls. I could imagine some data-exchange as a way for better future
interaction.
Chris Hager wrote:
Noah Kantrowitz wrote:
I don't see why breaking this up by tags (some of which can be things like
PG13) isn't a good enough solution. We all know kids will seek this stuff
out no matter what, lets at least do it in a controlled way.
The MPAA uses those
Noah Kantrowitz wrote:
I don't see why breaking this up by tags (some of which can be things like
PG13) isn't a good enough solution. We all know kids will seek this stuff
out no matter what, lets at least do it in a controlled way.
The MPAA uses those ratings:
Hey all.
Jaume and I just had a pizza-and-beer coding session, and the outcome
were two tutorials for creating Activities with PyGTK, one of them using
Glade.
= http://wiki.laptop.org/go/PyGTK/Hello_World_Tutorial
We're using activity.py as a wrapper, which loads the code and GTK
interface
Well, yes - that's a known problem... It was sort of related to an error
in bundlebuilder, and that i haven't had enough time for hacking.
Basically, xo-get can deinstall all Activities from which you have the
source .xo file (exactly the one from the installation). Then you can
pass the
gcompris'
- Chris
Walter Bender wrote:
One could probably use xo-get to install all of the GCompris
activities as well (See http://laptop.org/go/GCompris).
regards.
-walter
On Jan 15, 2008 10:17 AM, Chris Hager [EMAIL PROTECTED] wrote:
Hey all!
I have updated xo-get to use http
Hey folks, crazy news:
On Saturday 29.12.07, there was a successful 'entanglement based quantum
key distribution' between two xo-laptops!!
QKD is a quantum-cryptographic scheme to securely distribute correlated
random numbers between the communicating parties.
At the 24C3, we (sj and aaron,
Hi all!
From now on, the channel #olpc-groups is open with the ambition to
connect local communities from everywhere! I can imagine a lot of
potential for collaborations, projects, problem solving and
not-reinventing-the-wheel :) !
SJ and I have talked about the current status of the
Hi,
Here a few news about the latest xo-get updates:
1. Easy installation with 'wget xo-get.linuxuser.at'
2. Installation of the process watching tool with 'xo-get install pw'
(http://wiki.laptop.org/go/Monitoring_System_Load)
3. 32 Activities ready to install
C. Scott Ananian wrote:
I have patched Pippy's examples to follow best practices for pygame,
so that the frame rate is limited to 20 FPS and games automatically
pause and suspend after 20 seconds of inactivity. (These defaults can
be overridden.)
The patch is pullable from:
Hi!
Mcfletch and I have been talking about the heavy cpu-load of the wiki's
pygame demo: 99%; and how to reduce it.
We figured out, a combination of pygame.event.wait() and
pygame.event.get() very good. That's the demo code; it takes less than
4% cpu (0.3% - 1.7% here):
import sys
import
C. Scott Ananian wrote:
On Dec 5, 2007 10:28 PM, Chris Hager [EMAIL PROTECTED] wrote:
just finished a little coding session inspired by our olpc-austria
meeting, and thought to share some news:
1. xo-get.py
http://www.olpcaustria.org/mediawiki/index.php/Xo-get
...
If you
hey!
i'm working on the imagequiz, and have the following issue:
* strings in the activity are translated via gettext
* the questions themself are translated inside the database (it grows by
submitted content)
if a user chooses another language, i'd need to change the language
gettext is
Hey!
I've just written a simple linkchecker script in python, and thought
someone could perhaps use it. It recurses through the links of a given
domain and stays inside that domain. For found links it gives you the
feedbacks: ok, outside, 404, https
http://wiki.laptop.org/go/Linkchecker.py
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