Re: [PD] [pix_colorclassify] and the AirHackTable project

2012-07-30 Thread Ricardo Fabbri
Hi Alexandros,

I can translate that site to English soon. However, you can still
follow the install file that is listed in that site (the install file
is in english).
The install tutorial is also in English.

About [pix_colorclassify], this is in the current Gem git repository
(the official one). It has to be installed from source, as described
in the install instructions for the AirHackTable, and also in the
following link:

http://puredata.info/docs/developer/WorkingWithPdExtendedSources


Best,


 Btw, about the [pix_coloclassify], where can I find this object? Is it
 available for os x?

 Greets,
 Alexandros


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[PD] [pix_colorclassify] and the AirHackTable project

2012-07-24 Thread Ricardo Fabbri
Dear All,

I would like to share the AirHackTable project with you which, among
other things,
has yielded the new (official) [pix_colorclassify] and [pix_equal]
objects in Gem.

The Airhacktable is a musical instrument which is controlled by color
origami that float over a grid of recycled coolers. The table is
itself an origami made out of recycled cardboard.
A webcam captures the movements of floating origami and transforms
their flight patterns into sound patterns, in real-time. Each color
modulates a distict voice.
The origami can be left to float by themselves, or can be
coerced/played with by the DJ operator (pix_colorclassify
effectively performs skin masking).

The website for the project is

http://wiki.nosdigitais.teia.org.br/AirHackTable

Instructions on how to install and operate color
detection/classification are also available therein in the form of a
text file and also through video tutorials.

This project has already been presented at several occasions in
Brazil, notably to thousands of people in Festiva Contato
www.contato.ufscar.br,
and its color-based sound modulation engine has also been used in live
coding sessions (in Festival Contato as well). Thank you Pd for
putting
together such an awesome software that has enabled all this and many
other events!

I will be presenting the ins and outs of the software at the
International Free Software Forum (FISL) at a workshop tomorrow.

A new AirHackTable will be built in another workshop at SESC pinheiros
(Sao Paulo).

Hope the project ideas, code and color detection tutorials can be useful.

Best Regards,
--
Dr Ricardo Fabbri
Professor of Computer Engineering
GNU/Linux registered user #175401
www.lems.brown.edu/~rfabbri
pt.wikipedia.org/wiki/IPRJ
labmacambira.sf.net

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Re: [PD] [GEM] PS3eye in Ubuntu 12.04?

2012-05-14 Thread Ricardo Fabbri
IOhannes,

guvcview can in fact control while Gem is running. Just use the right
parameter:

guvcview --control-only /dev/video0

Thats actually how I use it.

best,
Ricardo Fabbri
--
Linux registered user #175401
www.lems.brown.edu/~rfabbri http://www.lems.brown.edu/%7Erfabbri
pt.wikipedia.org/wiki/IPRJ
labmacambira.sf.net


On Mon, May 14, 2012 at 10:18 AM, IOhannes m zmoelnig zmoel...@iem.atwrote:

 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA1

 On 2012-05-12 10:49, Jaime Oliver wrote:
  hi all,
 
  does anyone have experience with the ps3eye in ubuntu using
  pd/gem?
 
  I am trying out ubuntu for one of my systems and have the following
  issue.
 
  I am able to control the frame rate, autogain and several other
  features of the PS3eye camera from GUVCViewer, but I cannot do it
  from GEM.

 Gem won't (shan't) touch any settings of the device if it can help it.
 so setting the framerate before you start Gem should get you somewhere.

 furthermore, it should be possible to change some properties of the
 camera even while Gem is capturing.

 in the case of guvcview this might not work due to guvcview (which
 tries to also _capture_ images and fails doing so), but tools that
 only set properties should work ok.
 i'd recomment something simple like v4l2-ctl (on debian this is
 available in the v4l-utils package)

 $ v4l2-ctl -d /dev/video0 -p 120


  Could anyone suggest a way of controlling the camera so that GEM
  can use higher frame rates?

 nevertheless, setting the framerate is currently really missing in
 Gem's v4l2 backend. please file a feature-request (for Gem!).

 fgamsdr
 IOhannes
 -BEGIN PGP SIGNATURE-
 Version: GnuPG v1.4.12 (GNU/Linux)
 Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

 iEYEARECAAYFAk+xBiMACgkQkX2Xpv6ydvRk9QCgmgLkUxptSdPpcLe7+D1uiy/p
 S6MAn1BpARWuRcUq9UVcNXD6oE2j8+Xa
 =TeGw
 -END PGP SIGNATURE-


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Ricardo Fabbri
--
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www.lems.brown.edu/~rfabbri http://www.lems.brown.edu/%7Erfabbri
pt.wikipedia.org/wiki/IPRJ
labmacambira.sf.net


On Mon, May 14, 2012 at 10:18 AM, IOhannes m zmoelnig zmoel...@iem.atwrote:

 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA1

 On 2012-05-12 10:49, Jaime Oliver wrote:
  hi all,
 
  does anyone have experience with the ps3eye in ubuntu using
  pd/gem?
 
  I am trying out ubuntu for one of my systems and have the following
  issue.
 
  I am able to control the frame rate, autogain and several other
  features of the PS3eye camera from GUVCViewer, but I cannot do it
  from GEM.

 Gem won't (shan't) touch any settings of the device if it can help it.
 so setting the framerate before you start Gem should get you somewhere.

 furthermore, it should be possible to change some properties of the
 camera even while Gem is capturing.

 in the case of guvcview this might not work due to guvcview (which
 tries to also _capture_ images and fails doing so), but tools that
 only set properties should work ok.
 i'd recomment something simple like v4l2-ctl (on debian this is
 available in the v4l-utils package)

 $ v4l2-ctl -d /dev/video0 -p 120


  Could anyone suggest a way of controlling the camera so that GEM
  can use higher frame rates?

 nevertheless, setting the framerate is currently really missing in
 Gem's v4l2 backend. please file a feature-request (for Gem!).

 fgamsdr
 IOhannes
 -BEGIN PGP SIGNATURE-
 Version: GnuPG v1.4.12 (GNU/Linux)
 Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

 iEYEARECAAYFAk+xBiMACgkQkX2Xpv6ydvRk9QCgmgLkUxptSdPpcLe7+D1uiy/p
 S6MAn1BpARWuRcUq9UVcNXD6oE2j8+Xa
 =TeGw
 -END PGP SIGNATURE-


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Re: [PD] gridflow on oneiric

2011-12-21 Thread Ricardo Fabbri
Recompiling has the added advantage of getting ready support and fixes from
the development community. It is the way to go with pd-extended and cutting
edge li s such as gridflow, IMHO.

On Wednesday, December 21, 2011, Antonio Roberts anto...@hellocatfood.com
wrote:
 Recompiling Gridflow worked great for me, but when using it with
 pd-extended 0.43 I've had a few problems opening patches

 On 21 December 2011 11:45, IOhannes m zmoelnig zmoel...@iem.at wrote:
 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA1

 On 2011-12-21 12:01, chr wrote:

 i think i will have a big codec-mess on my laptop after doing it, °_°
 for that reason i asked for another solution, because i have often
 problems with codecs, especially in kdenlive.

 but anyway, i continue to try

 how about: a simple recompile of gridflow?

 fgamsdr
 IOhannes
 -BEGIN PGP SIGNATURE-
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 =hiDy
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 anto...@hellocatfood.com
 http://www.hellocatfood.com
 

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Ricardo Fabbri
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www.lems.brown.edu/~rfabbri
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Re: [PD] motion tracking

2011-11-29 Thread Ricardo Fabbri
Hi, Eleanor

- make sure to use the latest pix_multiblob from recent Gem Git as the
older version doensn't work properly for blobs greater than 10.000 pixels
(eg, 100x100).

- not sure I understood your question, actually. isn't that 'argument'  the
maximum number of blobs? also, the minimum blob area can be set and is a
very useful filter.

- note that detection of a blob, which is what pix_multiblob does, is not
the same as tracking. Traking inolves detecting consistent blob id's across
frames, which is not done in pix_multiblob. Ways to do tracking would
involve combining pix_multiblob with color detection (like the new
pix_colorclassify), the color being the consistent id itself, or just being
used as part of a blob similarity function based on things such as such as
color histograms (pix_opencv_meanshift would be a standard tracking
approach along those lines).

hope this helps,

On Tuesday, November 29, 2011, Eleanor Stewart eleanors...@gmail.com
wrote:
 Thanks Hans,

 Yep, I've been working my way through the 'help' patches.
 I'm currently exploring pix_multiblob but it's not tracking as I thought
it would.
 When it has an 'argument' to track 2 (or more) 'blobs', it still only
tracks 1 'blob'.

 Does anyone know if it's 'argument' value only relates to the amount of
representations that can be applied to 1 'blob' being tracked?

 Thanks,
 mz_multiblob ^^



-- 

Ricardo Fabbri
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www.lems.brown.edu/~rfabbri
labmacambira.sf.net
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Re: [PD] extended 64 bits on Oneric?

2011-11-28 Thread Ricardo Fabbri
Hi,

you might want to look at

http://puredata.info/docs/developer/WorkingWithPdExtendedSources

I've also found the following line to help in overcoming many dependencies
and thus saving you compilation trouble

sudo apt-get install -y autoconf automake libtool libfftw3-dev
libsndfile1-dev liblua5.1-0-dev tcl8.5-dev swig ladspa-sdk
libspeex-dev libmp3lame-dev libgl1-mesa-dev mesa-utils libglu1-mesa
libglu1-mesa-dev libgsl0-dev tcllib cheese


best,
Ricardo Fabbri
--
Linux registered user #175401
www.lems.brown.edu/~rfabbri http://www.lems.brown.edu/%7Erfabbri
labmacambira.sf.net



On Fri, Nov 25, 2011 at 12:52 PM, enrike alte...@gmail.com wrote:

 hi

 I need to install extended into a 64 bits machine running Oneric Ubuntu. I
 am trying to install the latest 64 bits packages but that wont install
 because jack verio s required is too old.

 I also tried to compile it from Pd-0.42.5-extended source from
 http://puredata.info/**community/projects/software/**pd-extendedhttp://puredata.info/community/projects/software/pd-extended
 but there is no pd/src/configure file

 Am I missing something?

 thanks...

 enrike

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Re: [PD] OT: PS3 eyecam on osx lion

2011-11-06 Thread Ricardo Fabbri
You can try compiling the latest pd-extended+Gem yourself. Then file a bug
report if it still doesnt work. The developers are very active. Just follow
developer documentation from puredata.info

best,

On Sunday, November 6, 2011, Jean-Marie Adrien j...@jeanmarie-adrien.net
wrote:
 wait for GEM 93 on os X  :) ?


 Le 6 nov. 11 à 13:49, Budi Prakosa a écrit :

 hi list, does anyone know how to make ps3 eyecam work on osx lion?
 macam doesnt work

 thanks!

 -- Budi Prakosa
 house of natural fiber (HONF)
 yogyakarta new media art laboratory
 wora wari A80/6 baciro yogyakarta indonesia
 http://www.natural-fiber.com

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Re: [PD] complete source code of pd-extended

2011-11-03 Thread Ricardo Fabbri
Hi.

Start by reading this:

http://puredata.info/docs/developer/WorkingWithPdExtendedSources


Best,
Ricardo Fabbri
--
Linux registered user #175401
www.lems.brown.edu/~rfabbri
labmacambira.sf.net




On Thu, Nov 3, 2011 at 10:45 PM, Olivier Baudry
olivierbaudry@hotmail.fr wrote:
 Dear all

 Is it possible to download all source code of pd_extended (like pd and all
 extras?) I get the source of pd with this : on terminal: I write
  git clone git://pure-data.git.sourceforge.net/gitroot/pure-data/pure-data

 So It's only pd vanilla source, not all pd_extended source.

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[PD] Fwd: gem, pdp, gridflow, pidip

2011-11-01 Thread Ricardo Fabbri
Sorry, I had accidentally sent this to pd-dev.


Ricardo Fabbri
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www.lems.brown.edu/~rfabbri
labmacambira.sf.net



-- Forwarded message --
From: Ricardo Fabbri rfab...@gmail.com
Date: Tue, Nov 1, 2011 at 5:51 PM
Subject: gem, pdp, gridflow, pidip
To: pd-...@iem.at


Hi,

would you have seasoned advice to give on these packages? one vs the
other? quirks from each?
 gem, pdp, gridflow, pidip

Gem's big win (for me) is having a very active development community
which I am currently taking part of.

There are tons of cool stuff on the other ones as well, of course. Any
remarks to share? Things to watch out for?

Best,
Ricardo Fabbri
--
Linux registered user #175401
www.lems.brown.edu/~rfabbri
labmacambira.sf.net

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Re: [PD] expr alternative

2011-10-26 Thread Ricardo Fabbri
My 2c:

1) if you want someone to change their licensing, at least be willing
to offer them some cash. basically, you buy the new licensing. this
part is not free! I would go as far as saying it's unpolite to ask to
switch a license without offering money.

2) If you write a clone, be original lest you be sued.

3) Colloquy IRC chat client is an example of a GPL software that has a
BSD core and mobile version. Not sure if that's because the authors
are the copyright holders so they can switch licensing as they please.
See:

 http://colloquy.info/project/wiki/Source%20Code


Ricardo Fabbri
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labmacambira.sf.net



On Wed, Oct 26, 2011 at 2:42 PM, Hans-Christoph Steiner h...@at.or.at wrote:

 On Oct 26, 2011, at 1:20 AM, Marvin Humphrey wrote:

 On Wed, Oct 26, 2011 at 08:51:23AM +0800, Simon Wise wrote:

 On 26/10/11 01:29, Hans-Christoph Steiner wrote:

 The Apple App Store is incompatible with the GPL and LGPL, from what I
 understand. Getting Apple to make their App Store compatible with the
 GPL and
 LGPL is another much better solution since it will work for all GPL and
 LGPL
 software.

 this is of course the best solution ...

 8 snip license advocacy and geopolitical theory 8

 I would like to register my disagreement.  In my opinion, the solution
 which
 best serves the broad community of users -- including those users for whom
 expr's licensing is problematic -- is for Pd Vanilla to have uniform BSD
 licensing.  It seems to me that an implementation of expr which is
 license-compatible with the rest of Vanilla is a perfectly reasonable and
 understandable feature request.

 The practical rationale is obvious: if GPL (or potentially LGPL) is not an
 option for you, then expr is missing from your toolkit, and it would be
 nice
 to have it.  I understand that there are several valuable contributors
 within
 the Pd community who believe that it is important to deny that feature
 request
 for moral reasons.  There are also opposing moral reasons to grant it, but
 as
 before, I intend to keep my developer list posts on licensing limited to
 dry mechanics if possible; if you absolutely cannot live without a
 sprinkle of
 BSD license advocacy to complement the on-list deluge of copyleft license
 advocacy, please ask off-list.


 We're talking about freedom here.  If you want to write a BSD-licensed expr
 clone, please do.  I don't think you'll find any objections.  The objections
 have been to people asking others to change the licenses they chose.

 .hc


 

                                              http://at.or.at/hans/



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Re: [PD] OT: Poll: Csounds or SuperCollider or Chuck

2011-10-25 Thread Ricardo Fabbri
Hi Epic,

I am not a specialist, but I know from my brother and other
experienced composers that one big reason for switching between these
is simply the different ideas and possibilities they sparkle on the
composer's mind. Once they have maxed-out on using and exploring Pd,
they switch to the text-based alternatives you mention to explore
different possibilities. But that is an all-encompassing approach from
very advanced musicians. One more or less concrete thing I can tell
you is that it seems Chuck as a language fits many people's mindset better than
SuperCollider, perhaps because of the syntax style and how it allows
for better live performance.

Anyways, these are just my 2c to get the ball rolling.

Ricardo Fabbri
--
Linux registered user #175401
labmacambira.sf.net



On Tue, Oct 25, 2011 at 10:45 PM, Epic Jefferson
jeffreyconcepc...@gmail.com wrote:
 After the recent post about CsoundforLive, it resparked my interest in
 trying out one of the text based audio synthesis programs. Since it seems
 like a very steep learning curve to start learning any of these(Csounds,
 SuperCollider or Chuck) I just wanted to see if anyone here has had any
 experience with any of these and what your verdict was.
 I'd like to start a sort of opinion poll:

 How do they compare against each other?
 How do they match up to Pd for your needs?
 What sort of things can be achieved in these programs that can't be achieved
 in Pd, if any?

 --
 www.epicjefferson.com
 www.avmachinists.org Puerto Rico based Art Collective/ Non-Profit Org

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