Re: [PD] UTF-8 for pd-devel WAS: locales for Pd WAS: japanese encoded chars in PD

2009-02-20 Thread Bryan Jurish
moin all,

On 2009-02-20 06:20:18, Hans-Christoph Steiner h...@eds.org appears to
have written:
 On Feb 19, 2009, at 4:13 PM, Bryan Jurish wrote:
 moin Hans, moin list, On 2009-02-19 18:43:49, Hans-Christoph
 Steiner h...@eds.org appears to have written:
 One other thing, it seems that the ASCII char are handled
 differently than the UTF-8 chars in g_rtext.c, I think you could
 use instead wcswidth(), mbstowcs() or other UTF-8 functions as
 described in the UTF-8 FAQ
 
 http://www.cl.cam.ac.uk/~mgk25/unicode.html#mod
 
 Certainly, but (A) we already have the UTF-8 byte string in keysym,
 and we need to append that whole string to the buffer anyways, and
 (B) using wcswidth()  co requires forcing the locale to have a
 UTF-8 LC_CTYPE.  I know I did this in m_pd.c, but I think that was
 a HACK and that using locale functions here is the Wrong Way To Do
 It, because it's dangerous, unportable, and slow (warning: rant
 follows):
 
 __dangerous__: setting the locale is global for all threads of a 
 process; in  forcing the locale, we could conceivably mess with
 desired behavior elsewhere (e.g. in externals).
 
 __unportable__: we don't even know if all users' machines *have* a
 UTF-8 locale installed, and even if they do, we don't know what
 it's called. If we don't force the encoding, we're stuck with
 either C (e.g. ASCII; what we've got now in Pd-vanilla), or
 whatever the user is currently employing (after
 setlocale(LC_ALL,)), which makes patches' appearance dependent on
 the user's encoding (e.g. what we've got now in Pd-vanilla), and
 doesn't even work in the case of variable-length encodings such as
 UTF-8.
 
 __slow__: many locale-based conversion functions are known to be
 pretty darned slow.  if we assume we're always dealing with (valid)
 UTF-8, we can speed things up considerably.  going straight to
 wchar_t is another option, but would require many more changes on
 the C side, likely break the C API, and wouldn't solve the
 locale-dependency of patches' appearances, which I think is a
 really good argument for UTF-8.
 
 Isn't it pretty safe to assume these days that UTF-8 is supported?

Yes, but under what name?  Also, I believe the relevant locale variable
(LC_CTYPE) requires a language component prior to the charmap, and we
cannot guarantee that e.g. en_US is installed everywhere.  The only
locale guaranteed to be installed everywhere is C, and that determines
language and charmap simultaneously.

Also, the dangerous property is impossible to get around, unless maybe
we treat the locale like a stack and only force
LC_CTYPE=(whatever).UTF-8 in code where we know we want/need UTF-8.  I
suspect this might slow things down enormously (although I haven't
tested exactly what kind of overhead is involved).  Adding threads to
the picture means that we would have to add locking on LC_CTYPE (or
similar) and that would only work if hypothetical locale-sensitive
externals respected the same locks.  All in all more trouble than it's
worth, IM(ns)HO.

 One thing I just found out is that Windows uses a 2-byte char
 natively (UCS-2?),

Probably.

 I think Mac OS X uses UTF-8 natively. 

... but not for wchar_t (which would be superfluous if sizeof(wchar_t)==1) !

 I think that most Linux tools should work with UTF-8 too, especially since it
 can work as ASCII.

Yes, but working with UTF-8 is by no means synonymous with supporting
a particular (and known) value of LC_CTYPE which happens to use UTF-8 as
its charmap.  Most text-processing tools work with UTF-8 because they
can get away with just churning bytes -- this is not the case for Pd
(which counts characters to move the selection, edit buffers, determine
box widths, and maybe more)...

 So you think we can have full UTF-8 support without using those
 functions?

In a word: yes.

Specifically, I think we can have full UTF-8 support without using those
functions *as provided by the C99 locale API*.  That amounts to rolling
our own versions of the same and/or similar functionality.  In
particular, the (utf8.c,utf8.h) code by Jeff Bezanson (see
http://www.cprogramming.com/tutorial/unicode.html) has some attractive
utilities for wrapping typical string-processing code (in particular,
u8_inc() and u8_dec() for adapting old byte-string processing code using
i++ and i--, respectively), in addition to wrappers for the usual
locale-style functionality:

 wcswidth() -- (trivial)   (I've written the code)
 mbstowcs() -- u8_toucs()  (I've actually got a version of this too)

Other of Bezanson's utilities (isutf8(), u8_offset(), u8_charnum(),
u8_nextchar()) are also potentially useful for adapting the C side, and
in some cases, I'm not even sure how to wrap them with the C locale
functions without converting the whole UTF-8 string to wchar_t, which I
think we can agree we do not want to do.  Assumedly, Bezanson's code
(public domain) code is safe for integration with anything, so I'll use
that for now, if no one objects.

 That said, a faster implementation would 

[PD] structuring of pd objects (was: Re: [PD-dev] stripping down Pd-extended's default libs)

2009-02-20 Thread marius schebella
hi,
(maybe this is of general interest for pd users?) speaking of lists, I
once did a similar thing some years ago, collecting 2682 objects. the
list is far away from being complete or up to date...
http://www.parasitaere-kapazitaeten.net/files/GENERAL_ALL.csv_.txt
marius.

2009/2/20 João Pais jmmmp...@googlemail.com:
 Hans-Christoph Steiner wrote:
 I definitely agree that we should have libraries organized based on a
 topic.  There is nothing stopping anyone from doing this.  There is
 tons of code that could be easily taking and stuck into new libraries
 organized around concepts.

 hmm, that matches with what I was proposing (still on a private level) for
 the new categories of documentating pd-ext objects. although some people
 might not like not having their objects in their personal folder, it would
 really make information more easily to come by - fyi, I think in the latest
 object list I've made, there are ~1200 externals (objects + abstractions).

 I would go to the extra step and and follow yves' suggestions try to ask
 some developpers to change the names of some objects to avoid name clashes -
 if that's possible anyway, after all these years of programming.

 I can't contribute with code because I can't code, but I can write mails and
 give (sometimes good) ideas. To remind how big the task is, I attach here
 the list of pd-ext objects I've done some months ago (as a first step to try
 to get an updated documentation for pd-ext).

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Re: [PD] finding funding to the PdCon09

2009-02-20 Thread Thomas Grill
In any case you'd have to really hurry up with the application... the
Austrian foreign ministry is real quick with spending their available
funds.
gr~~~

2009/2/20 João Pais jmmmp...@googlemail.com:
 I think the Europeans and Canadians have much better options.  Anyone
 know of other options for Americans? Or anyone think I could use my
 Austrian citizenship to get a travel grant from the Austrian gov't?

 afaik, you might be better off talking to the austrians. but the other
 austrians here on the list will have more to say about this.

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Re: [PD] finding funding to the PdCon09

2009-02-20 Thread Alexandre Porres
yep. I did ask some Austrians I know :)
another thing is the Swiss Pro Helvetia fund. It seems that any who did
study some time there can apply. And I see they were partners with the
previous convention.

I will get in touch with them too, but anybody knows how did that work in
the past?

cheers
alex
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[PD] PD + Digi 003

2009-02-20 Thread mark edward grimm
Hey,

Does anyone have any experience with the Digi 003? We have two of these things 
in our labs and every time i try to use Jack with it I get:

Error:
Cannot start Jack server,
Please check preferences or retry after a system reboot.

I have a demo of audio hijack that uses soundflower and seems to work fine if 
i choose soundflower as my pd output. i can not choose the digi 003 directly 
from pd?

not sure if this is a jack problem? anyone get this this to work with jack/pd?

i know these things are a pain in the ass. digidesignbite me on this one!

m
  

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[PD] Many outlets and/or inlets

2009-02-20 Thread Isidro Gonzalez

Hello:
Probably a naif question, sorry by that.
Is there a way to enlarge an object´s box for the case where there are lots of 
inlets and/or outlets and so they loose individual visibility?
Many thanks
Isi


  


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Re: [PD] Many outlets and/or inlets

2009-02-20 Thread Jaime Oliver
this is sort of a cheap trick, but if the object has no initial arguments or
if you can override them, i just add 1 1 1 1 1  1 1  1 1 so that it looks
longer
J

On Fri, Feb 20, 2009 at 12:50 PM, Isidro Gonzalez
isidro_gon...@yahoo.comwrote:


 Hello:
 Probably a naif question, sorry by that.
 Is there a way to enlarge an object´s box for the case where there are lots
 of inlets and/or outlets and so they loose individual visibility?
 Many thanks
 Isi





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www.realidadvisual.org/jaimeoliver
www-crca.ucsd.edu/
www.realidadvisual.org

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Re: [PD] Many outlets and/or inlets

2009-02-20 Thread Jaime Oliver
when you have everything connected though you can just delete them...J

On Fri, Feb 20, 2009 at 1:03 PM, Jaime Oliver jaime.oliv...@gmail.comwrote:

 this is sort of a cheap trick, but if the object has no initial arguments
 or if you can override them, i just add 1 1 1 1 1  1 1  1 1 so that it looks
 longer
 J


 On Fri, Feb 20, 2009 at 12:50 PM, Isidro Gonzalez isidro_gon...@yahoo.com
  wrote:


 Hello:
 Probably a naif question, sorry by that.
 Is there a way to enlarge an object´s box for the case where there are
 lots of inlets and/or outlets and so they loose individual visibility?
 Many thanks
 Isi





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 --
 Jaime E Oliver LR

 joliv...@ucsd.edu
 www.realidadvisual.org/jaimeoliver
 www-crca.ucsd.edu/
 www.realidadvisual.org

 858 202 1522
 9168 Regents Rd. Apt. G
 La Jolla, CA 92037
 USA




-- 
Jaime E Oliver LR

joliv...@ucsd.edu
www.realidadvisual.org/jaimeoliver
www-crca.ucsd.edu/
www.realidadvisual.org

858 202 1522
9168 Regents Rd. Apt. G
La Jolla, CA 92037
USA
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[PD] color tracking in Gem/Pd-extended?

2009-02-20 Thread John Harrison
Wondering the best solution for color tracking in Pd-extended. I'd like 
my solution to be cross-platform so that rules out PDP and friends.

All I've come up with is to use [pix_blob] to track the color, and to 
try to minimize the tracking color in the background. There's probably a 
Gem object where I can gate a color i.e. eliminate a color from a 
pixel if it is less than a certain amount. In my rendering chain after 
my webcam I'd gate the color I am trying to track, then use [pix_blob] 
with a color weight of entirely the tracking color.

Is there a better way?

-John



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Re: [PD] PD + Digi 003

2009-02-20 Thread Hans-Christoph Steiner

All I can say is that Digidesign hardware generally doesn't play nice  
with anything but Pro Tools and other official software.

.hc

On Feb 20, 2009, at 10:17 AM, mark edward grimm wrote:

 Hey,

 Does anyone have any experience with the Digi 003? We have two of  
 these things in our labs and every time i try to use Jack with it I  
 get:

 Error:
 Cannot start Jack server,
 Please check preferences or retry after a system reboot.

 I have a demo of audio hijack that uses soundflower and seems to  
 work fine if i choose soundflower as my pd output. i can not choose  
 the digi 003 directly from pd?

 not sure if this is a jack problem? anyone get this this to work  
 with jack/pd?

 i know these things are a pain in the ass. digidesignbite me on  
 this one!

 m


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Re: [PD] color tracking in Gem/Pd-extended?

2009-02-20 Thread Ben Baker-Smith
How will you avoid gating the color of the object you're trying to track as
well?

To use your method below I'd suggest using some combination of [separator]
and [pix_background] to create a mask so that [pix_blob] (or the color gate,
depending on the setup) only affects new objects introduced into the
environment.

That's very incomplete suggestion, but I don't have pd in front of me right
now to toy with examples.

Best of luck, let  me know if you get a patch together, I'd like to see it.

-Ben


Wondering the best solution for color tracking in Pd-extended. I'd like
my solution to be cross-platform so that rules out PDP and friends.

All I've come up with is to use [pix_blob] to track the color, and to
try to minimize the tracking color in the background. There's probably a
Gem object where I can gate a color i.e. eliminate a color from a
pixel if it is less than a certain amount. In my rendering chain after
my webcam I'd gate the color I am trying to track, then use [pix_blob]
with a color weight of entirely the tracking color.

Is there a better way?

-John
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Re: [PD] finding funding to the PdCon09

2009-02-20 Thread David Doukhan
Does the Swiss Pro Helvetia fund works for european who are not living in Swiss?
Does anyone have an idea on the way to get funds if I'm French?

2009/2/20 Alexandre Porres por...@gmail.com:
 yep. I did ask some Austrians I know :)
 another thing is the Swiss Pro Helvetia fund. It seems that any who did
 study some time there can apply. And I see they were partners with the
 previous convention.
 I will get in touch with them too, but anybody knows how did that work in
 the past?
 cheers
 alex
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Re: [PD] finding funding to the PdCon09

2009-02-20 Thread Alexandre Porres
Aparently it does if you lived, worked, studied, for a while there...
I am just wondering how ere they partners with the previous convention.

I just realized that this year is the YEAR OF FRANCE IN BRASIL

So I really strongly believe we can bring people from France this year if we
look our way into it...

what you say?

cheers

On Fri, Feb 20, 2009 at 9:38 PM, David Doukhan david.douk...@gmail.comwrote:

 Does the Swiss Pro Helvetia fund works for european who are not living in
 Swiss?
 Does anyone have an idea on the way to get funds if I'm French?

 2009/2/20 Alexandre Porres por...@gmail.com:
  yep. I did ask some Austrians I know :)
  another thing is the Swiss Pro Helvetia fund. It seems that any who did
  study some time there can apply. And I see they were partners with the
  previous convention.
  I will get in touch with them too, but anybody knows how did that work in
  the past?
  cheers
  alex
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Re: [PD] finding funding to the PdCon09

2009-02-20 Thread David Doukhan
2009/2/21 Alexandre Porres por...@gmail.com:
 Aparently it does if you lived, worked, studied, for a while there...

you mean in Switzerland? I never went there...

 I am just wondering how ere they partners with the previous convention.
 I just realized that this year is the YEAR OF FRANCE IN BRASIL

I was not aware of that event...

 So I really strongly believe we can bring people from France this year if we
 look our way into it...
 what you say?

I say it could be marvelous!!!
Let me know about if you think you can do something... I'll try to ask
around me also...

 cheers


cheers!

 On Fri, Feb 20, 2009 at 9:38 PM, David Doukhan david.douk...@gmail.com
 wrote:

 Does the Swiss Pro Helvetia fund works for european who are not living in
 Swiss?
 Does anyone have an idea on the way to get funds if I'm French?

 2009/2/20 Alexandre Porres por...@gmail.com:
  yep. I did ask some Austrians I know :)
  another thing is the Swiss Pro Helvetia fund. It seems that any who did
  study some time there can apply. And I see they were partners with the
  previous convention.
  I will get in touch with them too, but anybody knows how did that work
  in
  the past?
  cheers
  alex
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 --
 David Doukhan



 --
 Alexandre Torres Porres
 cel. (11)8179-6226
 Website: http://porres.googlepages.com/home
 http://www.myspace.com/alexandretorresporres





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Re: [PD] finding funding to the PdCon09

2009-02-20 Thread Alexandre Porres
ok, I cant read french, but here you go:
http://www.diplomatie.gouv.fr/fr/article_imprim.php3?id_article=65761

I am about to talk to someone who can discuss this better with me next week,
so I will keep in touch as soon as i find something out.

cheers

alex

On Fri, Feb 20, 2009 at 9:51 PM, David Doukhan david.douk...@gmail.comwrote:

 2009/2/21 Alexandre Porres por...@gmail.com:
  Aparently it does if you lived, worked, studied, for a while there...

 you mean in Switzerland? I never went there...

  I am just wondering how ere they partners with the previous convention.
  I just realized that this year is the YEAR OF FRANCE IN BRASIL

 I was not aware of that event...

  So I really strongly believe we can bring people from France this year if
 we
  look our way into it...
  what you say?

 I say it could be marvelous!!!
 Let me know about if you think you can do something... I'll try to ask
 around me also...

  cheers
 

 cheers!

  On Fri, Feb 20, 2009 at 9:38 PM, David Doukhan david.douk...@gmail.com
  wrote:
 
  Does the Swiss Pro Helvetia fund works for european who are not living
 in
  Swiss?
  Does anyone have an idea on the way to get funds if I'm French?
 
  2009/2/20 Alexandre Porres por...@gmail.com:
   yep. I did ask some Austrians I know :)
   another thing is the Swiss Pro Helvetia fund. It seems that any who
 did
   study some time there can apply. And I see they were partners with the
   previous convention.
   I will get in touch with them too, but anybody knows how did that work
   in
   the past?
   cheers
   alex
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  cel. (11)8179-6226
  Website: http://porres.googlepages.com/home
  http://www.myspace.com/alexandretorresporres
 
 



 --
 David Doukhan




-- 
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Re: [PD] PD + Digi 003

2009-02-20 Thread ede cameron
  Hi I have a Digi 002 and find that to get anything working  
externally ie something that is not Pro Tools its best to open the  
Digidesign core audio and make sure that core audio is connected  
before opening any other applications you want to use

   1. Open applications/Digidesign/Digi CoreAudio Manager.. connect to  
sound card set HW Prefs
   2. You need JackPilot installed Open and run JackPilot
   3 Open qjackCTL it sets up and runs automatically since JackPilot  
is already running
   4. open Pd change settings to jack you should have sound

Hope this helps

 ede

On 20-Feb-09, at 10:17 AM, mark edward grimm wrote:

 Hey,

 Does anyone have any experience with the Digi 003? We have two of  
 these things in our labs and every time i try to use Jack with it I  
 get:

 Error:
 Cannot start Jack server,
 Please check preferences or retry after a system reboot.

 I have a demo of audio hijack that uses soundflower and seems to  
 work fine if i choose soundflower as my pd output. i can not choose  
 the digi 003 directly from pd?

 not sure if this is a jack problem? anyone get this this to work  
 with jack/pd?

 i know these things are a pain in the ass. digidesignbite me on  
 this one!

 m


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Re: [PD] pd-extended on Ubuntu 8.1 Intrepid

2009-02-20 Thread Ilias Anagnostopoulos
Hello Fraenk,

 One more question: are there any risks of conflicts, if I install 
 severeal versions of pd?
 Specially one pd-extended and one pd-vanilla.-


When I first got Ubuntu-Studio, it came with PD installed by default in 
a package named puredata. This is just the core of PD. I installed 
PD-extended without removing puredata and it worked with no noticeable 
problems.

However, the packages of PD-extended will not let you have both vanilla 
and extended installed at the same time if both done through synaptic. 
This is because apparently there are conflicts which I have personally 
not experienced since when I was running them both, I wasn't using PD 
much anyway.

You can try for yourself and see. If you NEED both versions for some 
reason (highly unlikely, I just did it cause I couldn't be bothered to 
look into it at that point), go for it and let us know what happened. If 
you NEED a STABLE version, just pick one of the two. They both are the 
same core, but PD-extended gives you a whole bunch of extra things such 
as libraries and externals and so on, already compiled, in the same package.

If you meant installing PD vanilla 0.41 and PD-extended 0.40.3, that's a 
different story, and the short answer is that it depends on how you 
compile it, otherwise you just stick to what the packages give you.

Take care,

Ilias

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[PD] (no subject)

2009-02-20 Thread Alexandre Castonguay
Hi Alexandre, all,

AFAIK we applied to funders in Canada only but we sent invitations letters
that would have been useful for participants that were able to apply from
other sources.

Best of luck,

Alexandre


On Friday 20 February 2009 20:05:30 Alexandre Porres wrote:
 ok, I cant read french, but here you go:
 http://www.diplomatie.gouv.fr/fr/article_imprim.php3?id_article=65761

 I am about to talk to someone who can discuss this better with me next
 week, so I will keep in touch as soon as i find something out.

 cheers

 alex

 On Fri, Feb 20, 2009 at 9:51 PM, David Doukhan
david.douk...@gmail.comwrote:
  2009/2/21 Alexandre Porres por...@gmail.com:
   Aparently it does if you lived, worked, studied, for a while there...
 
  you mean in Switzerland? I never went there...
 
   I am just wondering how ere they partners with the previous convention.
   I just realized that this year is the YEAR OF FRANCE IN BRASIL
 
  I was not aware of that event...
 
   So I really strongly believe we can bring people from France this year
   if
 
  we
 
   look our way into it...
   what you say?
 
  I say it could be marvelous!!!
  Let me know about if you think you can do something... I'll try to ask
  around me also...
 
   cheers
 
  cheers!
 
   On Fri, Feb 20, 2009 at 9:38 PM, David Doukhan
   david.douk...@gmail.com
  
   wrote:
   Does the Swiss Pro Helvetia fund works for european who are not living
 
  in
 
   Swiss?
   Does anyone have an idea on the way to get funds if I'm French?
  
   2009/2/20 Alexandre Porres por...@gmail.com:
yep. I did ask some Austrians I know :)
another thing is the Swiss Pro Helvetia fund. It seems that any who
 
  did
 
study some time there can apply. And I see they were partners with
the previous convention.
I will get in touch with them too, but anybody knows how did that
work in
the past?
cheers
alex
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   --
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   --
   Alexandre Torres Porres
   cel. (11)8179-6226
   Website: http://porres.googlepages.com/home
   http://www.myspace.com/alexandretorresporres
 
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  David Doukhan




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Re: [PD] Many outlets and/or inlets

2009-02-20 Thread hard off
yeah, i just add -- as an argument.
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[PD] Best way to deal with many tables.

2009-02-20 Thread B. Bogart
Hey all.

I've managed to get my patches to use less objects, and more messages.

Problem I have now is storing data in an organized way.

Basically the system I'm working on needs to store the RGB hists of many
images (10,000 ideally, RAM permitting). RGB hists are concatenated into
tables of 768 elements each.

What is the best way to deal with this number of tables? There are the
usual thoughts of using dynamic patching and such, but really I'd like a
more elegant solution.

Has anyone worked on something like a multi-table or nested table?

I could put everything in one giant table, but each chunk needs to be a
list in the end and it seems to be iterating over a section of the table
to dump it as a list would be a lot slower than using [tabdump].

Just wondering if anyone has any suggestions.

I've already mentioned my wish to have a generic storage system (similar
to data-structures but independent of any graphical representation) namely:

tables of floats (done), tables of symbols, and most importantly tables
of tables!

.b.

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Re: [PD] color tracking in Gem/Pd-extended?

2009-02-20 Thread marius schebella
did you have a look at pix_alpha?
marius.

John Harrison wrote:
 Wondering the best solution for color tracking in Pd-extended. I'd like 
 my solution to be cross-platform so that rules out PDP and friends.
 
 All I've come up with is to use [pix_blob] to track the color, and to 
 try to minimize the tracking color in the background. There's probably a 
 Gem object where I can gate a color i.e. eliminate a color from a 
 pixel if it is less than a certain amount. In my rendering chain after 
 my webcam I'd gate the color I am trying to track, then use [pix_blob] 
 with a color weight of entirely the tracking color.
 
 Is there a better way?
 
 -John
 
 
 
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Re: [PD] finding funding to the PdCon09

2009-02-20 Thread marius schebella
João Pais wrote:
 I think the Europeans and Canadians have much better options.  Anyone
 know of other options for Americans? Or anyone think I could use my
 Austrian citizenship to get a travel grant from the Austrian gov't?
 
 afaik, you might be better off talking to the austrians. but the other  
 austrians here on the list will have more to say about this.

hi,
it seems there was a special cultural exchange program in 2008 between 
EU and Brazil, but this year they focus on 8 other contries (occupied 
palestine is one of them).
there seems to be some EU money this year for bio fules related stuff in 
cooperation with brazil (in case someone wants to present a pd project 
on bio fuels...).
more EU/austrian info at http://www.ccp-austria.at
marius.

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Re: [PD] finding funding to the PdCon09

2009-02-20 Thread marius schebella
Thomas Grill wrote:
 In any case you'd have to really hurry up with the application... the
 Austrian foreign ministry is real quick with spending their available
 funds.
 gr~~~

are you talking about a particular fund/grant? what do you think about 
contacting the austrian embassy in brazil?
https://cms.bmeia.at/botschaft/brasilia/aktuelles/kultur.html
marius.

 
 2009/2/20 João Pais jmmmp...@googlemail.com:
 I think the Europeans and Canadians have much better options.  Anyone
 know of other options for Americans? Or anyone think I could use my
 Austrian citizenship to get a travel grant from the Austrian gov't?
 afaik, you might be better off talking to the austrians. but the other
 austrians here on the list will have more to say about this.

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