Pd-list July 2010

pd-list@lists.iem.at

124 participants
188 discussions

rss parser (using pyext)
by patrick 24 Jul '10

24 Jul '10

hi everyone, here's a solution for parsing RSS feed inside pd. it only works in linux, i have included py.pd_linux (for python 2.6). http://puredata.info/Members/patrick i will post again with a demo patch (using an earthquake rss feed for making music and maybe some visuals). ciao

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Q*Bert !
by Mathieu Bouchard 24 Jul '10

24 Jul '10

http://gridflow.ca/gallery/qbert.pd.png _ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard, Montréal, Québec. téléphone: +1.514.383.3801

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Trixtone~
by Marco Donnarumma 23 Jul '10

23 Jul '10

Hi list, I've just published on my website this little tool. Trixtone~ is a simple sinewave synthesiser triggered by an array of 16×16 toggles, a so-called Tone Matrix. Not a big deal, but can sound nicely. I developed it just out of curiosity after having played around with some similar flash based applications I found on the Web. It needs two objects from the PdMtl abstractions. http://marcodonnarumma.com/software/trixtone/ M -- Marco Donnarumma aka TheSAD Independent New Media Arts Professional, Performer, Teacher - Edinburgh, UK PORTFOLIO: http://marcodonnarumma.com LAB: http://www.thesaddj.com | http://cntrl.sourceforge.net | http://www.flxer.net EVENT: http://www.liveperformersmeeting.net

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Chilean students of Interactivity
by Jose Luis Santorcuato 22 Jul '10

22 Jul '10

Dear list, I share with you the interactive examination of the University of Chile, my students got this after only three months of work. We work with Pure Data, Isadora and Animata and the next six months will develop hardware with arduino. http://www.youtube.com/watch?v=yqvQBNSwPfo Best regards José -- http://arselectronicachile.blogspot.com http://www.myspace.com/santorcuato

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Re: [PD] GEM - The Relationship Between [translate] and [rectangle]?
by Marco Donnarumma 22 Jul '10

22 Jul '10

Hi Julian, sorry if you already did it, but you might be interested in surfing through the Help browser (ctrl+b) > manuals > 2.Image/ That includes all you need to know to solve these kind of problems. However [translate] moves the [rectangle] on X, Y and Z axis. Your movie is texturized onto the [rectangle]. Therefore the dimension of the rectangle represent the ratio of your movie. Divide the width (in pixel) of your movie by its height to get the exact ratio, then set properly [rectangle] dimension. Say you have a movie 800x600px. 800 / 600 = 1.333 (we assume 3 is your maximum height for [rectangle]) 3 * 1.333 = 4 your ratio = 4/3 therefore what you need is [rectangle 4 3] this is just a rough solution, but it might help you understanding the issue. best, M Date: Wed, 21 Jul 2010 18:25:49 +0100 > From: J bz <jbeezez(a)googlemail.com> > Subject: [PD] GEM - The Relationship Between [translate] and > [rectangle]? > To: pd-list(a)iem.at > Message-ID: > <AANLkTilDPzsqKXGNE4GHuXdjn6m_u5KMqBYPkBz-DLdQ(a)mail.gmail.com> > Content-Type: text/plain; charset="iso-8859-1" > > Hey again, > > So, > > I have my 3 avi's with 3 seperate [gemheads] which I can now move around > the > [gemwin]. Cool. > > Could someone enlighten me towards the relationships between [translate] > and > [rectangle] please? > > I would like to keep the original aspect ratios for the 3 avi's. Avi 1 is > an odd shape - w432 h768 - (it's approximately half of my laptop desktop > recorded with RecordMyDesktop) and avi 2&3 are recorded off bog-standard > camera's, so are 320x240. The larger file is on the left of my gemwindow > with the 2 other avi's to the right, one above the other. I have added the > widths of film 1 and film 2 with little borders which gives [dimen 762 > 768(. I can move the files around and get an approximate fit moving > between > each [translate] and [rectangle] but I get the feeling there is a more > rigorous approach. > > Apologies in advance if I have missed something in the helpfiles or various > tutorials but I can't seem to find the info I'm looking for. > > Best wishes, > > Julian > -- Marco Donnarumma aka TheSAD Independent New Media Arts Professional, Performer, Teacher - Edinburgh, UK PORTFOLIO: http://marcodonnarumma.com LAB: http://www.thesaddj.com | http://cntrl.sourceforge.net | http://www.flxer.net EVENT: http://www.liveperformersmeeting.net

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Re: [PD] [PD-announce] Pd-announce Digest, Vol 64, Issue 7
by Les Rencontres Internationales 22 Jul '10

22 Jul '10

Dear friends, We are writing you just to remind that our call for entries for the next Rencontres Internationales Paris/Berlin/Madrid is still running, and that its deadline is approaching (July 30). Any individual or organization can submit film, video and multimedia works. The next Rencontres Internationales will take place in Paris from November 25 to December 4 at the Centre Pompidou. It will propose during 10 days a film, video and multimedia programme, and a forum for artists, filmmakers, audiences and professionals. PLEASE FORWARD and spread out this information through your networks, to reach art and film organizations, art communities, production organizations, artists and filmmakers. Best wishes Jean-François #PRESS RELEASE [IN ENGLISH] http://art-action.org/site/_news/10/call/de.htm#retour [EN FRANÇAIS] http://art-action.org/site/_news/10/call/fr.htm#retour [AUF DEUTSCH] http://art-action.org/site/_news/10/call/de.htm#retour [EN ESPAÑOL] http://art-action.org/site/_news/10/call/es.htm#retour C A L L F O R E N T R I E S ||||||| CALL FOR ENTRIES ||||||| EXTENDED DEADLINE ||||||| LAST DEADLINE: JULY 30, 2010 ||||||| http://art-action.org ||||||| RENCONTRES INTERNATIONALES PARIS/BERLIN/MADRID ||||||| FILM / VIDEO / MULTIMEDIA The call for entries is open until July 30, 2010, for the 'Rencontres Internationales' that will take place in Paris at the Centre Pompidou from Nov. 25 to Dec. 4, 2010, and in Madrid and Berlin in 2011. Those three events will feature an international programming focusing on film, video and multimedia, gathering works of artists and filmmakers recognized on the international scene along with young artists and filmmakers. ANY INDIVIDUAL OR ORGANIZATION CAN SUBMIT ONE OR SEVERAL WORKS. THE CALL FOR ENTRIES IS OPEN TO FILM, VIDEO AND MULTIMEDIA WORKS, without any restrictions for length or genre. All submissions are free, regardless of geographical origin. Click here >>> http://art-action.org/call FILMS AND VIDEOS - any film and video format * Video / Experimental video * Fiction, exp. fiction / Short, middle and full length * Documentary, exp. documentary * Experimental film * Animation MULTIMEDIA * Video installation, multimedia installation * Net art * Multimedia concert, multimedia performance TO ENTER A WORK, CLICK HERE >>> http://art-action.org/call You may choose between two types of registration: Until July 30, 2010: Entry form to use with regular mail Until July 30, 2010: 100% online entry form with video upload PLEASE FORWARD this information to art and film organizations, art networks, production organizations, artists and filmmakers you are in contact with. The 'Rencontres Internationales' offers more than a simple presentation of the works. It introduces an intercultural forum gathering various guests from all over the world - artists and filmmakers, institutions and emerging organizations - to testify of their reflections and their experiences, but also of artistic and cultural contexts that are often undergoing deep changes. The 'Rencontres Internationales' reflects specificities and convergences of artistic practices between new cinema and contemporary art, explores emerging media art practices and their critical purposes, and makes possible a necessary time when points of view meet and are exchanged. The event aims at presenting works to a broad audience, at creating circulations between different art practices and between different audiences, as well as creating new exchanges between artists, filmmakers and professionals. It seeks to contribute to a reflection on our contemporary culture of image via a compelling program opened to everyone.. PARIS/BERLIN/MADRID In 2007, the Rencontres Internationales, which initially took place in Paris and Berlin, opened up to a third city: Madrid. The event constitutes a unique artistic and cultural platform in Europe for artists, professional networks and various audiences. The venues in the three cities are in particular the Centre Pompidou in Paris, the Haus der Kulturen der Welt in Berlin, the Reina Sofia National Museum and the Spanish Cinematheque in Madrid. N E W S L E T T E R , F A C E B O O K , T W I T T E R Follow us on Twitter! MicroBlogging, RSS feed, invitations... http://art-action.org/-twitter.htm Join us on Facebook! Information invitations, reports... http://art-action.org/-facebook.htm Subscribe to our newsletter http://art-action.org/-newsletter.htm _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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Args for a patch
by Jonathan Wilkes 22 Jul '10

22 Jul '10

Hi list, Is it possible to specify arguments for a pd-file when you open it? -Jonathan

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Re: [PD] readanysf~ error
by Derek Holzer 22 Jul '10

22 Jul '10

Hi August, thanks for your quick reply and sorry for my slow one ;-) The short answer is that cleaning up the headers of the soundfiles by re-encoding with sndfile-convert did the trick. Celine, the student I am working with, promised to write you a bit later with more details. Best! Derek On 6/15/10 5:31 PM, august wrote: > > Derek, > > Are you using MacOS X? What version of readanysf~? What version > of gavl and gmerlin_avdec are packaged with it/used with it? > > I don't suspect it is the soundfile itself, but just in case, can you > put an example online for me. This is going to be a tough bug to > find, unless you see some sort of regularity in how the sound turns > to noise for you and can report that to me? > > can you make a simple patch that isolates the bug? > > Also, when the sound goes to noise, is it just that one particular > soundfile that is used in readanysf or is it PD's entire output. In > other words, when you hear noise, can you also hear the other > readanysf's playing....or can you also make a simple osc~ and hear it > play correctly? > > The "Current file is either invalid or an unsupported codec." warning > can also come if you send "play" to the readanysf object without it > having a file loaded. I assume this is what is happening. > > -a. > >> Hello August, list.... >> >> I'm helping a student's installation, and we have created a patch which >> uses 24 instances of readanysf~ to read from 24 different soundfiles >> between 15min and one hour in length. All sound files are mono, 16 bit, >> 44.1KHz WAV_PCM format. >> >> The problem is that, after a length of time, the readanysf~ objects >> output noise rather than the soundfile. It is not the result of any >> single soundfile, and many or all of the readanysf~ objects can be >> affected by this simultaneously. >> >> I have attached the abstraction in question. The object is instantiated >> as [readanysf~ 1], in other words the block size and and buffer size are >> defaults. >> >> Sample terminal output is as follows while the patch is running: >> >> Created new readanysf~ with 1 channels and internal buffer of 24 * 64 = 1536 >> Current file is either invalid or an unsupported codec. >> Current file is either invalid or an unsupported codec. >> Current file is either invalid or an unsupported codec. >> Current file is either invalid or an unsupported codec. >> Current file is either invalid or an unsupported codec. >> Current file is either invalid or an unsupported codec. >> Current file is either invalid or an unsupported codec. >> >> Opening each soundfile individually with readanysf~ and sending "play" >> and "pause" messages reports no errors whatsoever, however. >> >> I have sndfile-info data for all of the soundfiles. The only >> irregularity I see in this is one file which reports: >> >> Unknown chunk marker at position 6087587. Resynching. >> >> Besides that, most of the files report something like this: >> >> File : F_DOK6.wav >> Length : 146725772 >> RIFF : 146725764 >> WAVE >> bext : 602 >> fmt : 16 >> Format : 0x1 => WAVE_FORMAT_PCM >> Channels : 1 >> Sample Rate : 44100 >> Block Align : 2 >> Bit Width : 16 >> Bytes/sec : 88200 >> *** minf : 16 (unknown marker) >> *** elm1 : 7506 (unknown marker) >> data : 140114520 >> *** regn : 92 (unknown marker) >> *** umid : 24 (unknown marker) >> *** DGDA : 6602919 (unknown marker) >> End >> >> ---------------------------------------- >> Sample Rate : 44100 >> Frames : 70057260 >> Channels : 1 >> Format : 0x00010002 >> Sections : 1 >> Seekable : TRUE >> Duration : 00:26:28.600 >> Signal Max : 11627 (-9.00 dB) >> >> Someone suggested the noisy output may be the result of a buffer >> problem, but I am not sure who I could verify or correct this. >> >> I checked with "top" while the noise was happening and saw no evidence >> that Pd was using any more memory than usual, and the CPU meter reported >> 30%. >> >> Hardware is an Intel Mac Mini, software is Pd-Extended 0.41.4. >> >> Any suggestions or other diagnostics I could run are appreciated. >> >> Best! >> Derek >> -- >> ::: derek holzer ::: http://macumbista.net ::: >> ---Oblique Strategy # 136: >> "Remove specifics and convert to ambiguities" >> > > > -- ::: derek holzer ::: http://macumbista.net ::: ---Oblique Strategy # 6: "Abandon normal instruments"

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GEM - The Relationship Between [translate] and [rectangle]?
by J bz 21 Jul '10

21 Jul '10

Hey again, So, I have my 3 avi's with 3 seperate [gemheads] which I can now move around the [gemwin]. Cool. Could someone enlighten me towards the relationships between [translate] and [rectangle] please? I would like to keep the original aspect ratios for the 3 avi's. Avi 1 is an odd shape - w432 h768 - (it's approximately half of my laptop desktop recorded with RecordMyDesktop) and avi 2&3 are recorded off bog-standard camera's, so are 320x240. The larger file is on the left of my gemwindow with the 2 other avi's to the right, one above the other. I have added the widths of film 1 and film 2 with little borders which gives [dimen 762 768(. I can move the files around and get an approximate fit moving between each [translate] and [rectangle] but I get the feeling there is a more rigorous approach. Apologies in advance if I have missed something in the helpfiles or various tutorials but I can't seem to find the info I'm looking for. Best wishes, Julian

2 3

GFDP: new screenshots
by Mathieu Bouchard 21 Jul '10

21 Jul '10

with the new version of my automated screenshot tools, helpfiles with a vertical scrollbar are autoscrolled and the multiple screenshots are stitched together and written as a single png. here is the site : http://gridflow.ca/help some especially tall examples : http://gridflow.ca/help/%23io.x11-help.png http://gridflow.ca/help/%23io.videodev-help.png http://gridflow.ca/help/%23in-help.png http://gridflow.ca/help/%23out-help.png http://gridflow.ca/help/doc_m-help.png http://gridflow.ca/help/%23see-help.png http://gridflow.ca/help/%23many-help.png _ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard, Montréal, Québec. téléphone: +1.514.383.3801

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Pd-list July 2010