Pd-list February 2010

pd-list@lists.iem.at

121 participants
201 discussions

line~ and vline~ right inlets
by Matteo Sisti Sette 18 Feb '10

18 Feb '10

Hi, The behaviour of the second inlet of line~, and of the second and third inlet of vline~, are not documented in the help patches. Only the "all parameters in one message to the left inlet" way of working is described in the help patches. The behaviour of the other two inlets is not entirely obvious: one can easily guess that they are used to set the ramp time and (for vline) the delay; however the fact they "forget" the value after the first message sent to the hot inlet is in contrast with the behaviour of most built-in objects and hence is not totally obvious. I wonder whether they are deliberately left undocumented to "discourage" their use, with the idea of removing them in the future...? -- Matteo Sisti Sette matteosistisette(a)gmail.com http://www.matteosistisette.com

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respawn PD with gui in Debian
by Bart Koppe 17 Feb '10

17 Feb '10

Hi, I use PD-extended in Debian Lenny, this for a small media-installation. After the pc boots and logged into X, i would like pd (with gui) to start automatically. I made the script below and wanted to use that in /etc/inittab. It seems to start as root and does not show a gui either. The script itself works perfectly ok when I run it myself. How can I configure inittab correctly so it runs as user instead of root, and shows the gui to? My current inittab entry [to say: I don't know anything about inittab (blush) ] TY:23:respawn:/home/abortx/pd-daemon.sh the script (pd-daemon.sh) #!/bin/sh RUNNING= export DISPLAY=:0.0 pd -open /home/abortx/pd/pdp-gem-bridge-3.pd & while true; do RUNNING=`pidof pd` if [ -z $RUNNING ]; then pd -open /home/abortx/pd/pdp-gem-bridge-3.pd & fi sleep 10 done Thanks! Bart -- -----/\/\/\/\/\/\----- Bart Koppe bk at a-bort dot org http://a-bort.org -----\/\/\/\/\/\/----- I love deadlines. I like the whooshing sound they make as they fly by. - Douglas Adams

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Install pd-extended on Ubuntu Jaunty 9.04 i686
by Ben Baker-Smith 17 Feb '10

17 Feb '10

Hello List, I just attempted to install pd-extended on my desktop running Ubuntu Jaunty 9.04 i686, only to realize that there is no i386 package available. Is there a way around this? Do I have to install the libraries separately? Thanks! -Ben

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Re: [PD] [PD-announce] Pd-announce Digest, Vol 59, Issue 8
by Medialab-Prado comunicacion 17 Feb '10

17 Feb '10

Hi all, Regarding the FLOSS Manuals Book Sprint in Berlin we would like to announce that there will also be a Translation Sprint of 2 FLOSS Manuals here in Medialab-Prado in Madrid from March 2 through 6. We we'll be collaboratively translating into Spanish *Inkscape Manual* and *Collaborative Futures*. You can participate either coming to the meeting or online. All the info here: http://medialab-prado.es/article/encuentro_flossmanuals_en_espanol Cheers! nerea http://medialab-prado.es/article/encuentro_flossmanuals_en_espanol pd-announce-request(a)iem.at escribió: > Send Pd-announce mailing list submissions to > pd-announce(a)iem.at > > To subscribe or unsubscribe via the World Wide Web, visit > http://lists.puredata.info/listinfo/pd-announce > or, via email, send a message with subject or body 'help' to > pd-announce-request(a)iem.at > > You can reach the person managing the list at > pd-announce-owner(a)iem.at > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Pd-announce digest..." > > > Today's Topics: > > 1. [reminder]Pure Data Workshop + FLOSS Manuals Book Sprint next > week (Derek Holzer) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 16 Feb 2010 20:58:23 +0100 > From: Derek Holzer <derek(a)umatic.nl> > Subject: [PD-announce] [reminder]Pure Data Workshop + FLOSS Manuals > Book Sprint next week > To: pd-announce <pd-announce(a)iem.at> > Message-ID: <4B7AF8DF.8030007(a)umatic.nl> > Content-Type: text/plain; charset=windows-1252; format=flowed > > Pure Data Workshop + FLOSS Manuals Book Sprint > Tusday 23 ? Friday 26 February 2010, 17.00-22.00 [GMT +1] > NK Elsenstr. 52 2HH 2 Etage 12059 Berlin, Germany > Contact Derek Holzer: derek AT THE DOMAIN umatic.nl > (Please keep my mobile number for building access): +49(0)176 2812 5845 > Or contribute online! > http://en.flossmanuals.net/puredata > irc.freenode.net #flossmanuals > > Pure Data (or Pd) is a free + open source, real-time graphical > programming environment for audio, video, and graphical processing. > Because all of these types of media are handled as data in the program, > many fascinating opportunities for cross-synthesis between them exist. > Pd is commonly used for live music performance, VeeJaying, sound effects > composition, interfacing with sensors, cameras and robots or even > interacting with websites. > > A book sprint brings together a group of writers, editors and artists to > produce a published book within several days. This sprint will combine a > workshop within it, where new users will learn to create basic patches > in Pd, documenting them along the way for the FLOSS Manual. This is an > exciting opportunity both to acquire new skills as well as share them > with others in the form of a book! > > This sprint is a long-distance collaboration between FLOSS Manuals, the > Berlin Pure Data users group and ITP/Tisch School of the Arts, New York. > > Please bring your own laptop with Pure Data Extended installed. The > workshop is free, with the expectation that participants will contribute > to the FLOSS Manual. > > http://puredata.info/community/organization/pd-berlin/pd-berlin-users-group > http://www.nkprojekt.de/ > > -- Nerea García Garmendia Comunicación / Press Medialab-Prado Área de Las Artes, Ayuntamiento de Madrid Plaza de las Letras Alameda, 15 28014 Madrid Tfno. +34 914 202 754 difusion(a)medialab-prado.es www.medialab-prado.es "Antes de imprimir este documento asegúrate de que es realmente necesario. ¡Gracias por tu colaboración!" _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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python scripting in pd
by patrick mcnameeking 17 Feb '10

17 Feb '10

Hey guys - I'm not entirely sure if this is the correct place for this question but here goes: I consider myself to be fairly proficient with pd and recently I have been getting excited about python through a computer science class at my university. I was especially excited to learn that it is possible to use python to script objects in pd using py/pyext and purity. I've become quite frustrated, however because i haven't been able to figure out how to get these libraries/modules to work. I'm running OSX leopard with a highly customized version of pd-extended. Anybody have any ideas? Thanks, Pat

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Re: [PD] peak amplitude in pd vanilla (was: [env~] vs [vsnapshot~]: which one is more cpu consuming?)
by Matt Barber 16 Feb '10

16 Feb '10

> hello > > im sorry i left the thread for some time now. > thank you all very much for your replies. > > Your results are confirmed here too: the two methods with vsnapshot~ and > writing-reading to a table are equally inefficient. > Matt's suggestion --whilst much more efficient-- has a serious disadvantage: > it seems that there is no way of reseting [max~ ] without losing some > samples (which could include a "peak"). > Generally, i had many confusing problems while testing that one. Has anyone > else tried it?? > > I give up for now due to the lack of time > if anyone has another idea, please share! :-) > > (By the way: there is another limitation i noticed in [bang~ ]: it won't go > faster than 1 bang every 64 samples, even if the block size is set under > that) > Best would be to reset it with the result of subtracting a dirac delta from a constant signal of 1 (which should give a one-sample 0). Attached is a [dirac-delta~] abstraction -- it could be far more efficient for your purposes, but it's meant to work more or less like the [dirac~] object from zexy so it has a couple of extra goodies you probably don't need. I forgot what the [bang~] is supposed to do -- was it to reset the [max~] every block? In that case a tentative solution would be to set a phasor to run at exactly the frequency corresponding to the period of a block size, and divide it by itself. If the phase remains zero and you feed it nothing but powers of two, it should produce a 0 once per cycle (and thus once per block). There are more robust solutions, but this might work in a pinch. MB

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[PD-announce] Thirty-third meeting of the PureData users group of Montréal
by Mathieu Bouchard 16 Feb '10

16 Feb '10

sunday 21 feb from 1 PM to 5 PM. from Mont-Royal station take bus #97 east, or walk. or from Papineau station take bus #45 north. or from Fabre station take bus #45 south. ---------- Forwarded message ---------- Date: Mon, 15 Feb 2010 16:57:31 -0500 (EST) From: Mathieu Bouchard <matju(a)artengine.ca> To: pdmtl(a)artengine.ca Subject: [Pdmtl] pdmtl#33 la trente-troisième rencontre du club d'utilisateurs de PureData de Montréal aura lieu à Vidéographe Production, 4550, rue Garnier (coin Mont-Royal) le dimanche 21 février 2010, de 13h00 à 17h00. au programme : 1. Mathieu Bouchard présente un externe qui sert à mettre des images et du vidéo incrusté dans vos patchs. Ce système rapporte aussi les clics de touches et de souris et les mouvements de souris d'une façon qui imite le comportement d'autres externes. 2. Patrick Boivin présente une abstraction qui crée automatiquement un grand nombre d'objets GUI et en gère le contenu. Quelques exemples d'utilisation seront montrés (séquençage, routage, etc.) 3. Martin Peach will demonstrate the use of the [udpsend~] and [udpreceive~] objects to send audio across an ethernet network. / Martin Peach va demontrer l'utilisation des objets [udpsend~] et [udpreceive~] pour transmettre l'audio sur un reseau ethernet. 4. Michał Seta présentera quelques esquisses de sa création audio-visuelle en évolution, inspirée par les intervalles purs, le spectre harmonique et la visualisation scientifique. _ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard, Montréal, Québec. téléphone: +1.514.383.3801 _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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Deleting arrays
by Dan Ellis 16 Feb '10

16 Feb '10

I am new to Pd so please excuse any misconceptions. I'm trying to read in a file containing a sinusoidal analysis, to provide control for additive synthesis. My patch creates a set of arrays (tables) for the frequency and magnitude values for as many partials as are described in the analysis file (which is generated by a separate program) via messages like [; pd-graph1 array $1-freqArray 100 float 0( . $1 comes from a counter which is reset when I read in a new file. But once I create an array, it never goes away, and I end up with an ever increasing number of tables named 0-freqArray etc. How can I delete arrays with a message (as opposed to having to open a dialog box for each one and click the "delete me" flag)? Really, all I want to be able to do is delete all existing arrays each time I am about to read a new analysis file. Is there a message for this? I tried [; pd-array clear ( which I saw somewhere in the forums, but it just gave me "error: pd-array: no such object". Thanks, DAn.

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Suggestion of Wii-Instrument to port to PD
by luigi rensinghoff 16 Feb '10

16 Feb '10

Hi List, i found this project http://wiidii.net/ and i really liked it. It has some aspects that i was not able to implement in pd. If you are interested, have a look at the Source Code and the youtube video. I really dont know how to program, but it would be really cool if someone on the list likes it as well and wants to put effort into making this a pd-external...... Anyway Have fun All the best Luigi >>>------------------------------<<< Dipl.-Ing. Luigi Rensinghoff postmaster(a)halbsolaut.de Mobil: 01775412191 web: www.halbsolaut.de

1 0

Http request
by jim 16 Feb '10

16 Feb '10

Is there an external for sending data to and from a web server ie implements POST and GET methods? Thanks, Jim

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Pd-list February 2010