Pd-list May 2007

pd-list@lists.iem.at

160 participants
312 discussions

[PD-announce] mMm 0.3 atlantis
by Enrique Erne 30 May '07

30 May '07

finally mMm has a working arranger&sequencer with multiple pattern ready to produce cheap crappy techno tracks. several patches within mMm are based upon pd's help/browser, pd-list attachments or netpd instruments. http://puredata.info/Members/eni/mMm/mmm-0-3-atlantis the latest release is mmm-0.3.3-atlantis.zip cheers eni _______________________________________________ PD-announce mailing list PD-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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Re: [PD] Opencv & pd
by nanodust 30 May '07

30 May '07

> > For the last 2 weeks I have been trying to write a motion tracking > > external using the blob motion tracker in opencv. I had success > > with writing a program that recieves a path to an avi and motion > > tracks the blobs and prints their position. Now I am writing the IOhannes m zmoelnig wrote: > otoh, why don't you just use the Gem framework? My thoughts *EXACTLY* Why spend time re-doing what exists? (for fun, perhaps ;) As it is, pix_blob works quite well - and if you need multiblob, update pd/gem from CVS - pix_multiblob works very well also, and is quite fast. *instancing* / id tracking is rare (not inherent to openCV either), but I was able to hack it well enough for my purposes. > if nothing else works, it might be simplest to just write your own > application (without pd) and send the data to pd via your favourite > protocol (FUDI, OSC, SMTP...) Indeed - for more complicated operations (face & body recognition) I used opencv's haars, then sent the coordinates to GEM via OSC for various visual effects. >From pd context, I don't see what benefit opencv blobs have over pix_multi/blob; but perhaps I am missing something!

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Re: [PD] PD & education
by JNM 30 May '07

30 May '07

> Can anybody help me point out who uses PD to teach music... many answers...excellent...it would be also interesting to know who uses PD to teach interactive art in general. Is it possible to have an "official" list of universities and school teaching PD, somewhere on the PDwiki ? Somewhere here could be a good place ? http://www.puredata.info/community This list could be useful to convince some educational and cutural operators to switch to PD (in place of buying expensive licences for similar tools) and then save the money they need to buy or build Open Hardware electronic interfaces, multimedia equipments and sensors... thank you. -- Jean-Noël Montagné http://www.artsens.org http://www.craslab.org ---------------------------

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Re: [PD] PD i education
by Koray Tahiroglu 30 May '07

30 May '07

On May 30, 2007, at 5:24 AM, pd-list-request(a)iem.at wrote: > Message: 4 > Date: Tue, 29 May 2007 21:41:08 -0400 > From: Hans-Christoph Steiner <hans(a)eds.org> > Subject: Re: [PD] PD i education > To: Mikael Fernstrom <mikael.fernstrom(a)ul.ie> > Cc: pd-list(a)iem.at, Eirik Arthur Blekesaune <blekesaune(a)gmail.com> > Message-ID: <D5513EAD-9E3D-4211-9F93-8AC6AB3A2186(a)eds.org> > Content-Type: text/plain; charset=ISO-8859-1; delsp=yes; format=flowed > > > We've been using Pd to teach sound and soon sensors/interaction here: > > http://idmi.poly.edu I have been teaching PD workshops in general, and using PD in a longer term sound course at Academy in Helsinki (http://mlab.uiah.fi and . http://www.kuva.fi), next autumn I will teach Physical Interaction Design course at VCD Istanbul Bilgi University (http:// vcd.bilgi.edu.tr/), there I will use PD+ Arduino, and also still negotiating with Music Department for a longer term Computer Music courses(PD will be used for teaching materials and projects) > > I try to make all my materials freely available. It seems that we > should all work together and come up with some kick-ass teaching > materials. Plus I think it would save us all a lot of work in the > long run. > You might also be interested in Miller's new book which using Pd > directly to teach DSP: > > http://www.worldscibooks.com/compsci/6277.html > > .hc that has been one of the PDDP ongoing plans to collect teaching materials as well as teaching strategies related to different PD modules (sound-image-networking-physical) or long/short term courses. I totally agree that it would save alot in a longer run, not only for collecting materials, but for teaching experiences as well. I guess we can bring this as a topic before or during the convention in PDDP meetings. Koray. ------------------------------------- M.Koray Tahiroglu Media Lab,UIAH http://mlab.uiah.fi/~korayt/ tel: +358 50 939 02 33 ( in Finland only) tel: +90 533 712 8245 > > On May 29, 2007, at 6:32 AM, Mikael Fernstrom wrote: > >> I use PD with our MA/MSc students in Interactive Media and (some) in >> Music Technology here at the University of Limerick. >> http://www.csis.ul.ie/imedia/ >> http://www.ccmcm.ie/ >> http://www.idc.ul.ie/ >> >> - Mikael Fernstr?m >> >> >> On 29 May 2007, at 09:39, Eirik Arthur Blekesaune wrote: >> >>> Can anybody help me point out who uses PD to teach electronic >>> music? .. >>> (Algoritmic) Composistion >>> Synthesis >>> DSP-theory >>> real-time performance >>> >>> >>> What are the pros and cons for using it to teach DSP-theory? >>> >>> Best, >>> Eirik Blekesaune >>> _______________________________________________ >>> PD-list(a)iem.at mailing list >>> UNSUBSCRIBE and account-management -> http://lists.puredata.info/ >>> listinfo/pd-list >> >> >> _______________________________________________ >> PD-list(a)iem.at mailing list >> UNSUBSCRIBE and account-management -> http://lists.puredata.info/ >> listinfo/pd-list > > > > ---------------------------------------------------------------------- > -- > ---- > > http://at.or.at/hans/ >

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Re: [PD] opencv motion tracker external HELP!
by martin.peach＠sympatico.ca 30 May '07

30 May '07

Alain wrote: > I am getting a weird error when I try sym = gensym(symstr); I get > no match for 'operator=' in 'sym = gensym(((char*)(& symstr)))' > I dont know what thats all about. I have seen this used before with no problems. That looks like a c++ error to me, maybe you should be compiling it as c? Martin

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ld flags
by xname 30 May '07

30 May '07

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Yo! Anyone can tell what should be the equivalent of this line on osx: ld -export_dynamic -shared -o pippo.pd_linux pippo.o -lc -lm ? i get ld: unknown flag: -export_dynamic and ld: unknown flag: -shared i had a look at the man id page and google but i am still confused. if there is someone who can tell me, or who managed to make the externals howto on osx, i'll be happy to share informations :) Cheers, Xname -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQFGXE0oNvasaG3ULUwRAuT/AJ4/9JQTfHDvS/3NWFhA7dg2FQhv9gCgjWu8 ut3udkM2p8C4DgEueXFuBp0= =Rh2m -----END PGP SIGNATURE-----

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Choose Your Own Adventure
by Jared 29 May '07

29 May '07

So I'm finally done with my Choose Your Own Adventure play, where audience members voted by using two-tone xylophones to choose what path the show would take. I've attached the pd files I used to run the actual voting projection. Dunno if anyone else will be interested but figure I might share what I have. I think I included all the necessary files, but let me know if you have any trouble running it or figuring out how it works. Thanks to David and Frank for their help on tree traversal and state machines! -Jared

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[declare]: -path seems not to be added to the searchpathes
by Roman Haefeli 29 May '07

29 May '07

hi i cannot get [declare]'s -path-flag working. i tried relative pathes as well as absolute ones. e.g. i have a file: /home/roman/netpd/abs/netpd-r i made a [declare -path /home/roman/netpd/abs], then i tried to instantiate a [netpd-r], but pd -verbose prints the following pathes: tried /home/roman/netpd/patches/netpd-r.l_i386 and failed tried /usr/local/lib/pd/extra/netpd-r.l_i386 and failed tried /home/roman/netpd/patches/netpd-r.pd_linux and failed tried /usr/local/lib/pd/extra/netpd-r.pd_linux and failed tried /home/roman/netpd/patches/netpd-r/netpd-r.l_i386 and failed tried /usr/local/lib/pd/extra/netpd-r/netpd-r.l_i386 and failed tried /home/roman/netpd/patches/netpd-r/netpd-r.pd_linux and failed tried /usr/local/lib/pd/extra/netpd-r/netpd-r.pd_linux and failed tried /home/roman/netpd/patches/netpd-r.pd and failed tried /usr/local/lib/pd/extra/netpd-r.pd and failed tried /home/roman/netpd/patches/netpd-r.pat and failed tried /usr/local/lib/pd/extra/netpd-r.pat and failed netpd-r ... couldn't create /home/roman/netpd/abs doesn't show up in the pathes. why? am i doing something wrong? i am on miller's pd 0.40.2 roman ___________________________________________________________ Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de

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hid compiling problem.
by Diego Azar 29 May '07

29 May '07

Hi, I`m having some problems compiling [hid] on a 64.studio (linux, debian based). Is there anything like a "how to" or something with this issue. When I do the make it sais: "input_arrays.h:5: *** missing separator. stop." I did the make like the one in the README with the corresponding directories of my pc. make INCLUDE=/usr/lib/pd/src PDEXECUTABLE=/usr/lib/pd test -f input_arrays.h || ./make-arrays-from-input.h.pl Thanks. --------------------------------- Get the free Yahoo! toolbar and rest assured with the added security of spyware protection.

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Re: [PD] opencv motion tracker external HELP!
by nosehair911＠bellsouth.net 29 May '07

29 May '07

You are right it would be. It would also be easier to make a self contained external with just one object and just use pd message system to output a list. I appreciate your help. I guess I will try to finish what I started using Martins suggestions and work on a standalone app at the same time. Is there a good reference webpage on how to integrate OSC that you can point me to? would the cpu take a buigger performance hit this way? Alain > > From: Tim Boykett <tim(a)timesup.org> > Date: 2007/05/29 Tue AM 11:45:08 EDT > To: <nosehair911(a)bellsouth.net> <nosehair911(a)bellsouth.net> > CC: <pd-list(a)iem.at>, > zmoelnig(a)iem.at > Subject: Re: [PD] opencv motion tracker external HELP! > > > Hi Alain, > > wouldn't it be a lot easier to take the system that you already have and > use OSC or FIDO to send the values (that you were printing) to PD > for further processing? > > I am greatly in favour of using different systems for different jobs > and letting > a protocol like OSC or fido (netsend) connect them together. > > I could easily help you with that problem, if the code is running > already. > > Cheers, > > tim

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Pd-list May 2007