Pd-list December 2004

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130 participants
218 discussions

AGNULA/DeMuDi + Pure Data Install Notes
by derek holzer 10 Dec '04

10 Dec '04

This text was written during a Pure Data workshop at the Waygood Gallery in Newcastle, UK, Dec 2004 by Derek Holzer with assistance from Aymeric Mansoux and Dominic Smith. Thanks also to Sneha Solanki for her hard work setting the whole gig up! It reflects our experience setting up AGNULA/DeMuDi for several workstations and laptops for use with Pure Data, GEM and PDP/PiDiP. Enjoy! http://umatic.nl/workshop/demudi_install.txt -- derek holzer ::: http://www.umatic.nl ---Oblique Strategy # 36: "Consult other sources -promising -unpromising"

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Re: tabreceive and block
by Stefan Turner 10 Dec '04

10 Dec '04

>Hello > >I'm looking for documentation on all the ins and outs >of the block object and the tabreceive object. Any >help? The help files weren't able to give me a good >start for using the two together. Does any one know >where I can find detailed documantation about those >two objects? > >thanks block~ sets the number of samples in each processing cycle (which defaults to 64). So each signal is divided up into blocks of 64 samples as it would be too slow to do it sample by sample. You could for example override it to have 1-sample blocks with [block~ 1] though: this can be useful in feedback. tabreceive~ fills each of these blocks with the first values of a named table (normally the first 64) over and over. So for example if you had a 64-sample table with values 0,1,2...63 then tabreceive~ using that table would give a signal 0,1,2...63,0,1,2...63,0,1,2...63 etc. For examples look at the fft help patches. Hope that makes sense? Stefan Turner ___________________________________________________________ ALL-NEW Yahoo! Messenger - all new features - even more fun! http://uk.messenger.yahoo.com

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Re: [PD] compile err on RH 8.0
by Stefan Turner 10 Dec '04

10 Dec '04

>heyyy > >trying to install 0.37 extended on my new RH 8 system, >im new to linux >so >bear with me if this is something simple. > >im following the Generic GNU/Linux compile instructions >in the >install.txt >file (is this correct?). the first 2 steps are >"./configure", which >works >fine and creates a makefile, but when i enter "make" i >get this error: ... If the other suggestion doesn't work, remember that as it's CCRMA you can just apt-get install pd (and most of the common externals): see the docs. Stefan Turner ___________________________________________________________ ALL-NEW Yahoo! Messenger - all new features - even more fun! http://uk.messenger.yahoo.com

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serialize for osx
by nicob 10 Dec '04

10 Dec '04

hi is it possible to allow more than 256 value to serialize object for osx... for example 3000 values my level of programmation is under 0 so i don't know how to do best regards nicolas

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Re: PD] Re: control voltage
by Koray Tahiroglu 10 Dec '04

10 Dec '04

Hello, I would suggest to control voltage with a microcontroler, which I succeeded after I got the [comport] external object. With PD and Basicstamp I can control the level of the dim that is attached to an electric circuit. Koray. On Dec 10, 2004, at 1:34, pd-list-request(a)iem.at wrote: > From: Chris Madak <cjm01(a)hampshire.edu> > Date: Thu, 9 Dec 2004 14:02:21 -0500 > To: pd-list(a)iem.at > Subject: [PD] Re: control voltage > > patrick wrote: > >> is there a way to read control voltage output in pd using a soundcard? >> what >> object should i use with adc~? can i simply plug the CV (maximum of 6 >> volts) >> to my soundcard or i need to buy an analog to digital converter? > > if you need a quick and dirty hack to this end, you could always run > your cv source into a vco, the oscillator into your soundcard, and the > signal into fiddle~, tweaking things from there to clean up and map the > results. it helps to make a quick "device driver" abstraction to this > end. > in the long run, however, i wouldn't stick with this. it's flaky and > very cpu-inefficient for what it does. i just mention it because it > can be thrown together in a few minutes if you just need a > proof-of-concept demo of something. > > best, > > chris > > ----------------- M.Koray Tahiroglu DA student/researcher Media Lab, University of Art and Design Helsinki, TaiK Hameentie 135C 00560 Helsinki Finland http://mlab.uiah.fi/~korayt/ tel: +358 40 754 8449 fax: +358 9 75630 555

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Re: [PD-dev] pdp2gem.pd_darwin question
by Yves Degoyon 10 Dec '04

10 Dec '04

yes, this is something we always bumped into with OSX, it seems a new loaded library can't get access to symbols fom former loaded library. that's why pdp and pidip have been bundled together. any OSX guru, what are we doing wrong? cheers, sevy james tittle wrote: > hey guys, > > ...I've been poking around in the image conversion code, and have > added the ability to select a colorspace for converting the pdp data > to give to gem (most importantly, a straight yv12 to uyuv, with > altivec!)...now it's compiling and linking, but pd doesn't like to > load it :-/ seems like this has been covered before, but I couldn't > find it in my mailbox's... > > ...here's my compile/link: > > g++ -DPD -O2 -funroll-loops -fomit-frame-pointer -ffast-math -Wall -W > -Wno-unused -Wno-parentheses -Wno-switch -Wno-long-double > -DGEM2PDP_VERSION=\"0.5\" -g -I../../pd-0.38-0test10/src -I. > -I../../pdp-0.12.4/include -I../../Gem/src -I/sw/include -o pdp2gem.o > -c pdp2gem.cpp > > gcc -bundle -bundle_loader ../../pd-0.38-0test10/bin/pd -undefined > suppress -flat_namespace -o pdp2gem.pd_darwin pdp2gem.o -lm -lstdc++ > > ...and here's the pd output when loading it: > > dyld: /Users/tigital/puredataDev/pd-0.38-0test10/bin/pd Undefined > symbols: > __ZN11imageStruct5clearEv > __ZN7GemBase11setModifiedEv > __ZN7GemBase17obj_setupCallbackEP6_class > __ZN7GemBase17realStopRenderingEv > __ZN7GemBaseC2Ev > __ZN7GemBaseD2Ev > __ZN9CPPExtern16setCPPObjectNameEPc > __ZN9CPPExtern8m_holderE > __ZnwmPvS_ > _pdp_packet_copy_ro_or_drop > _pdp_packet_data > _pdp_packet_header > _pdp_packet_mark_unused > Program received signal: "SIGTRAP". > (gdb) > > ...and yes, I do have Gem and pdp loading before pdp2gem...any ideas? > > jamie > > > _______________________________________________ > PD-dev mailing list > PD-dev(a)iem.at > http://iem.at/cgi-bin/mailman/listinfo/pd-dev > >

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Re: [PD] GEM Multiple Machines render one a cropped scene
by Max Neupert 10 Dec '04

10 Dec '04

hi patrick, off cause i know lighttwist of the SAT, as you know i was in residence there... my friend j-p. tardif is developping it for s. roy. but isn't it a lot simpler what i want to do, compared to projecting with multiple projectors on a dome? what i want is just a simple dual-screen... i bet there is a way with GEM only. -- Max Neupert Fachgebiet Kunst & Medien Hochschule für Kunst und Design Burg Giebichenstein Halle, Deutschland Am 09.12.2004 um 03:30 schrieb patrick: > hi max, > > do you know the porject of la sat called : > http://tot.sat.qc.ca/fra/lighttwist.html > > it's really powerful for doing multiple projections. > > patrick > > > > > > > ----- Original Message ----- > From: "Max Neupert" <abonnements(a)revolwear.com> > To: <pd-list(a)iem.at> > Sent: Wednesday, December 08, 2004 5:12 PM > Subject: [PD] GEM Multiple Machines render one a cropped scene > > > hi list, > > here is what i want to do: > > i want to use three computers to output a GEM scene on three projectors > side by side in landscape format. > the three machines are connected by network and i am sending the > movements of objects by OSC. so far so good. > > how to split the screen? > > it works by translating the [view x y z( differently on each machine > ( for ex. screen 1 [view -7 0 4( , screen 2 [view 0 0 4( and screen 3 > [view 7 0 4( > using [ortho o] everywhere. > > but how should i do it to keep the perspective? i guess all three > cameras should be on one point, just the angle should be different > ... i guess this is kind of basic and i missed something? > > > > > > > > -- > > Max Neupert > Fachgebiet Kunst & Medien > Hochschule für Kunst und Design > Burg Giebichenstein > Halle, Deutschland

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Re: [PD] Planet CCRMA install probs
by Stefan Turner 09 Dec '04

09 Dec '04

>Message: 6 >From: "The Number" <thenumber(a)hotmail.com> >To: pd-list(a)iem.at >Subject: [PD] Planet CCRMA install probs >Date: Wed, 08 Dec 2004 11:39:00 +0000 > >Hey list! ive been lurking here forever, but his is my >first post > >i recently decided to install linux, with the Planet >CCRMA package. >being a >long time (frustrated) windows user, the benfits of >this new system are >really exciting. i downloaded the Red Hat 8.0 install >ISOs from the >P-CCRMA >site, along with the CCRMA core and app ISOs. >everything is being >installed >off cd. Hi It sounds like alsa hasn't been built for Redhat 8, which would make sense as RH8 is really really old. You're better off with the Fedora Core 1 version. It's worked fine for me. Also you might alternatively want to take a look at www.agnula.org, which is a similar project based on Debian and Redhat. Didn't seem to like my computer much unfortunately so I'm back to CCRMA. Stefan Turner ___________________________________________________________ Win a castle for NYE with your mates and Yahoo! Messenger http://uk.messenger.yahoo.com

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Re: [PD-announce] Video Documentation for "Threads" online
by Max Neupert 09 Dec '04

09 Dec '04

hi b. this is nice stuff, i would like to know how the blur or focus is made. i was experimenting with fog and fogmode to gemwin but it does not do the same thing.. max Am 06.12.2004 um 17:15 schrieb B. Bogart: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hey all, > > Sorry for the cross-posting. > > I've put some screenshots and a few short mp4 videos documenting my > visual > performance project "threads". This stuff is from the performance for > anyware. > > All made with pd/Gem. > > www.ekran.org/ben/threads > > hope you enjoy. > > B. > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.2.2 (GNU/Linux) > Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org > > iD8DBQFBtIWtjbOsMZSA25cRAl32AJ974+Xq9nlFleIN/kejFfCCBJXvKwCfdean > awzyk0lF9g/QV8g/157nt0o= > =wjXq > -----END PGP SIGNATURE----- > > _______________________________________________ > PD-announce mailing list > PD-announce(a)iem.at > http://iem.at/cgi-bin/mailman/listinfo/pd-announce >

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Re: control voltage
by Chris Madak 09 Dec '04

09 Dec '04

patrick wrote: > is there a way to read control voltage output in pd using a soundcard? > what > object should i use with adc~? can i simply plug the CV (maximum of 6 > volts) > to my soundcard or i need to buy an analog to digital converter? if you need a quick and dirty hack to this end, you could always run your cv source into a vco, the oscillator into your soundcard, and the signal into fiddle~, tweaking things from there to clean up and map the results. it helps to make a quick "device driver" abstraction to this end. in the long run, however, i wouldn't stick with this. it's flaky and very cpu-inefficient for what it does. i just mention it because it can be thrown together in a few minutes if you just need a proof-of-concept demo of something. best, chris

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Pd-list December 2004