Pd-list May 2009

pd-list@lists.iem.at

131 participants
200 discussions

packOSC problems sendtyped T,F,I,N
by Wolfgang Jäger 10 May '09

10 May '09

Hello, I'm having some troubles using the packOSC object. Especially sending types True, False, Infinitum and Nil. It's not possible to send those types alone in one message, e.g.: "sendtyped /address/1 TF" fails as well as: "sendtyped /address/1 iTF 23". Only if those types occure within or before an integer (or float or string) it's possible to send them, e.g.: "sendtyped /address/1 iTFi 31 23" or "sendtyped /address/1 TFi 22". Error Message: packOSC: According to the type tag I expected more arguments. packOSC: Problem writing address. packOSC: usage error, write-msg failed. ciao Wolfgang

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pix_record issues with geos and frames per second
by Derrick Barnicoat 10 May '09

10 May '09

Hello, I am very much a newbie to PD/GEM and I just recently created my first video mixer/processer. I am using pix_mix to mix a video of an improvised performance I did with a dancer mixed with itself. I stretched each video over a cube geo. It is 2 chanels. One chanel is an uneffected version of the video. The other video has pix_rtx, pix_lumaoffset, pix_contrast, colorRGB with alpha, and pix_rgb2hsv as filters. Each cube has sliders assigned to control translation, rotation, and scale in unison. There are also three metro objects that control several inputs of the filters. Everything works fine as far as live performance but I want to record the performance as a video file so I can send a version of it to the dancer and perhaps share it via youtube or another video sharing site. I have made various attempts using pix_record and pix_snap objects but the results have been disappointing in various ways. The first attempts resulted in a .mov file but at the wrong fps and thus to slow to match the audio track. As I understand it pix_record only outputs 20fps files but I have a dialog that offers other options. The problem is the dialog closes the gemwin everytime I try to use it and the dialog seems to be set to 12fps. So I tried importing 12fps and 20fps versions of the same video. This was before I added the pix_snap object which I added to resolve another issue. The other issue is that the cube geos are not included in the recording. All the effects are present but no cubes, only the video without texturing to the geos. I researched various techniques to record the geos as well and the best option seemed to be to use pix_snap. Pix_snap resulted in a single frame video with no geos. I guess my question is basicly how do I record a Gem video with all elements included and at the correct fps? Is there another way besides pix_record? Is pix_write the other way? If so how would I use pix_write as it only exports .jpg and .tiff files? I am kind of hoping there is a way to churn out various improvised video manipulations of this performance and other videos I have done so I can share them. Any ideas or is GEM just not meant to be recorded. I mean I have seen GEM videos posted online so there must be an obvious way to do this that I am missing. I feel like I just don't know the proper way to use pix_record and pix_snap together, but maybe I am just going about the process in the absolutely wrong way. Any ideas? please be as specific as possible because I am new to this and still don't understand allot. Thanks so much. Derrick

5 4

PD] microbs/virus/fluids and such visuals
by oskoff lovich 10 May '09

10 May '09

s Hey Yves, taste your own medicine!! (i say it for the pdp-lumafilt and pdp_desintegration) maybe that could be some kind of mutant virus feedback salut! ydegoyon(a)gmail.com wrote: > ola, > > i don't know if someone here > have suceeded in doing organic visuals, > simulating microbes, viruses and fluids ? > > which way we should look? > shaders, glsl? -- >>>http://noconventions.mobi/noish

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[PD-announce] NIME 2009 Conference and Workshops Update
by Hans-Christoph Steiner 10 May '09

10 May '09

I'll be teaching a Pd+Arduino+Mapping workshop at the next NIME conference: Begin forwarded message: > From: nime(a)ece.ubc.ca > Date: April 13, 2009 10:07:02 AM EDT > To: community(a)nime.org > Subject: [NIME community] NIME 2009 Conference and Workshops Update > > Carnegie Mellon hosts NIME 2009 > ----------------------------------------------- > Carnegie Mellon University will host the New Interfaces for Musical > Expression > (NIME) Conference June 4 - 6, 2009. NIME 2009 will feature a variety > of > workshops, papers, posters, demonstrations, and performances. These > presentations will be given by researchers and musicians from all > over the > world, who will gather in Pittsburgh to share their knowledge and > late-breaking > work on new musical interface design. > > NIME 2009 will include a special focus on Tradition and Innovation. > Events > related to this theme include a keynote speech by acclaimed > electronic media > artist Paul DeMarinis, and an international teleconference with > computer music > pioneers William Buxton, John Chowning, Roger Linn, and Max Mathews. > > There is still time to register for the conference at the early > registration > rate of $300 or the early student registration rate of $150 by May > 1. After May > 1, regular registration wil cost $400 and regular student > registration will be > $200. > To register, visit http://www.nime2009.org/registration.php. > > In addition to the conference, Carnegie Mellon also is hosting day- > long > workshops, all of which take place on campus June 3. > The workshops include: > · Sound Synthesis and Algorithmic Composition Using Nyquist and > Audacity > Presenter: Roger B. Dannenberg > · Mapping Sensors to Pd via Firmata > Presenter: Hans-Christoph Steiner > · Interactivity by Code: SuperCollider > Presenter: James Harkins > · Handmade Electronic Music -- The Art of Hardware Hacking > Presenter: Alex Inglizian > · Max MSP > Presenters: Luke DuBois and Andrew Benson > · Sensor interfacing with I-CubeX > Presenter: Axel Mulder > > For more information, visit: http://www.nime2009.org/workshops.php. > > We look forward to your participation in the expanded community of > creators, > composers, performers and artists who will be represented at NIME > 2009! > > NIME 2009 is sponsored by Carnegie Mellon School of Music, Carnegie > Mellon > College of Fine Arts, Carnegie Institute of Technology, Carnegie > Mellon School > of Computer Science, Carnegie Mellon Entertainment Technology > Center, The > University of Pittsburgh Department of Music and Duquesne > University's Mary > Pappert School of Music. > ---------------------------------------------------------------------------- If you are not part of the solution, you are part of the problem. _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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Gem as GUI
by glerm soares 09 May '09

09 May '09

Is there any project of abstractions that uses Gem as Graphic User Interface seriously? I mean: Create other design of tables, envelopes, data representation, even other design of buttons, leds, sliders and knobs that could be manipulated in realtime.... A library of Gem objects for that could worth? Or it would be too much cpu expensive for DSP audio ? I'm curious about it... Do we have some examples? thanx glerm

5 4

pdmtl seq_8 sequencer with save preset feature
by glerm soares 09 May '09

09 May '09

Hiya, I found this modification I made some months ago in the seq_8 matrix sequencer of pdmtl lib. I think it could be useful for more pdmtl users... It uses [txtfile] to save presets in a text file with ".mtx" into your local folder. Maybe it could be improved, but already works... Suggestions welcome... salut glerm

1 0

3d trails with GEM
by Sebastian Saa 09 May '09

09 May '09

Good Evening , Is there any way that a moving or animated geo can leave a 3d trails of geos while it moves? any idea of how to do this? maybe somebody have tried it before? any idea? thanks Se.

3 2

Re: [PD] midi latency test
by David Penna 08 May '09

08 May '09

Guys (& Gals), PLEASE HELP! I'm running Pd vanilla 0.42-4 on Windows Vista Dell Studio laptop with Pentium Dual Core T4200 (2.0GHz/800Mhz FSB/1MB cache) and 2GB Shared Dual Channel DDR2 at 800MHz, using a M-Audio MIDISPORT UNO 1x1 USB midi interface, and -noaudio startup flag. I'm running this midi latency test patch with the MIDISPORT In & Outs CONNECTED with a female-to-female midi adapter -- and I'm getting 89's & 90's!!! Incidentally, I also ran it using the In & Thru jacks of a Korg keyboard, and the results were identical... so something is definitely very wrong with this picture!! The worst part about this is that my entire purpose for learning Pd was so I could create a Pd patch to use incoming midi notes to "step through" a series of predetermined notes or chords and send them back out to a midi sound source, for the purpose of "triggering" note / chord sequences in realtime from an electronic drumkit. I've made the patch... but this latency is killing me!! BTW, this is my first post here, so please pardon my 'novice-ness'. Any ideas, anyone???? Thanks in advance, David Penna ----- Original Message ----- From: "jfm3" <jfm3 at ouroboros-complex.org> To: <pd-list at iem.kug.ac.at> Sent: Thursday, March 06, 2003 12:17 AM Subject: [PD] midi latency test > If you have some time, please connect your MIDI in to your MIDI out and > bang on the attached patch. Let me know what number you get. I would > expect this number to be very low; around 1. On my systems it is very > high, and I'm not sure why. > > -- > (jfm3 2838 BCBA 93BA 3058 ED95 A42C 37DB 66D1 B43C 9FD0) >

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Load libraries dynamically
by Hannes 08 May '09

08 May '09

Hello all, if I remember correct there is a possibility in PD to dynamically load a library at runtime using a certain object(?) in your patch - any ideas? Thanks! br Hannes -- Neu: GMX FreeDSL Komplettanschluss mit DSL 6.000 Flatrate + Telefonanschluss fÃ¼r nur 17,95 Euro/mtl.!* http://dslspecial.gmx.de/freedsl-surfflat/?ac=OM.AD.PD003K11308T4569a

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Re: [PD] preventing comport freezes
by Hans-Christoph Steiner 08 May '09

08 May '09

On May 8, 2009, at 10:33 AM, danomatika wrote: > On Fri, 2009-05-08 at 01:42 +0200, pd-list-request(a)iem.at wrote: >> >> So right now, when [comport] is open and that device gets >> disconnected, comport freezes and Pd crashes. My guess is that >> comport is waiting and therefore blocking. It seems like the >> select() >> call should prevent that, any other guesses on how to prevent comport >> from locking like this? Many arduino users would be very happy. >> >> .hc > Here's a short serial class for Linux (and Mac I'm sure) that uses > select() ... > > I figured that part out by reading http://www.easysw.com/~mike/serial/serial.html > > It's a bit messy, I have a better one at work I can send in a day or > two. Mind if we keep this on list? Have you had a chance to check the performance of that? Martin added select() to his networking code, and things got much slower. .hc ---------------------------------------------------------------------------- 'You people have such restrictive dress for women,’ she said, hobbling away in three inch heels and panty hose to finish out another pink- collar temp pool day. - “Hijab Scene #2", by Mohja Kahf

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Pd-list May 2009