Pd-list December 2003

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152 participants
244 discussions

No pd-jack and no libquicktime
by Wade McDaniel 05 Dec '03

05 Dec '03

hello all, So i sent my libquicktime woes to the maintainers of libquicktime yesterday. tthey havent gotten back to me, but when they do I will post the information I gethere here. My new question is this: When I try to run pd-0.37-1test1 with jack, jack gets all sorts of weird errors, like: **** alsa_pcm: xrun of at least 312.737 msecs And then dies. What going on there? ALSA lib pcm_hw.c:494:(snd_pcm_hw_start) SNDRV_PCM_IOCTL_START failed: Broken pip I get the first error when i use my other audio device, but it doesnt die like hw:1 Heres my commands: sudo jackd -R -d alsa -d hw:1 -r 48000 //I use sudo because it runs faster than using jackstart to get realtime for some reason sudo pd -rt -jack -r 48000 -audiobuf 10 The above kills both when I try sudo jackd -R -d alsa -d hw:0 -r 48000 sudo pd -rt -jack -r 48000 -audiobuf 10 I get the xrun errors, more of them infact, but pd and jack dont die... Any help? Thanks for your time, -thewade

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pdp / x11r6.6
by sara kolster 05 Dec '03

05 Dec '03

Hi, Since i've problems with my x11 in order to get my pdp running, I would like to try X11R6.6 <http://www.x.org/Downloads_XWinSys.html> from http://www.x.org/Downloads.html I couldn't find a proper apple's x11 for my system 10.2.8. The downloadable versions i find are all meant for Panther. Does anyone has experience with this version of x11? Sara <http://www.x.org/Downloads_XWinSys.html>

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multiple instances of an abstraction or object
by alex norman 05 Dec '03

05 Dec '03

I'm pretty sure that I saw an external to do this once but I cannot remember what does it. I want to create an array of osc's (42 for now), I figure creating an abstraction and making 42 instances of it would be reasonable (but not by hand). Right Now what I have is a list of frequencies and a list of amplitudes, I want to use those values to control a lot of oscillators. Any ideas? Thanks, Alex Norman __________________________________ Do you Yahoo!? Free Pop-Up Blocker - Get it now http://companion.yahoo.com/

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changing the color/text of some GUI element on-the-fly
by David Merrill 05 Dec '03

05 Dec '03

Hi all - I'm designing a perceptual experiment using PD, and I want to have a big sign on-screen whose color changes color, and possibly some text changes for each trial. Is there some basic GUI object that can do this? (even one of those nice big colored "bang" buttons would be fine, for the color-changing part, if I could update its color on the fly) thanks, David M.

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libGL.1dylib
by sara kolster 04 Dec '03

04 Dec '03

Hi, Still haven't dealt with this problem which Alexander described below. Jamie, did you get PDP running after installing the x11 from Apple? I'm downloading this now, just to see if it works. How should i remove the the other X11 distribution, or does it write over it? Sara ---------- On Monday, April 14, 2003, at 05:57 PM, Hans-Christoph Steiner wrote: >/ />/ When I try to start pd with the new PDP binary for MacOS X, I get his />/ error, and Pd quits: />/ />/ dyld: /usr/local/pd/bin/pd Undefined symbols: />/ /usr/local/lib/pd/extra/pdp.pd_darwin undefined reference to />/ _gluOrtho2D expected to be defined in /usr/X11R6/lib/libGL.1.dylib />/ // / ...I have gotten it to run compiled against apple's x11 distro, so this might be the problem, because the GL support is definitely different between the two...as a matter of fact, that's why I switched to apple's x11 (better GL support, which allowed gtkRadiant to run, and now pdp)... ...of course, this is all just by way of putting off making a window object based on AGL, which I should be able to try out this week (after taxes!)... l8r, jamie

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[OT] Simulus in Melbourne (AUS)
by Tim Kreger 04 Dec '03

04 Dec '03

Hi All For those of you in Melbourne, the live laptop impro ensemble "Simulus" (Steve Adam, Tim Kreger and Ross Bencina) will be playing at the Make It Up Club using a variety of useful software such as SuperCollider and of AudioMulch. All real-time and all improvised. Details below... Simulus, live at the Make it Up Club. http://listen.to/simulus --- Tuesday 9th DECEMBER 9 Steve Law-electronics, Dale Nason-delays /feedback/laptop, Kim Bounds-visuals. "Simulus":a trio with Steve Adam, Tim Kreger, Ross Bencina. Electronic stuff. Mathew Brenna(NZ)- treated voice ** Make It Up Club ** Upstairs @ the Planet Cafe, 386-388 Brunswick St Fitzroy. From 8:30pm $7/5 at door. For bookings call Belinda on 9486 2423. http://www.makeitupclub.com.au --- Best wishes Ross & Tim & Steve

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FFT : separating phase and amplitude
by julien.breval＠tremplin-utc.net 04 Dec '03

04 Dec '03

hello the left inlet of [rfft~] outputs the real part of the FFT the right inlet of [rfft~] outputs the imaginary part of the FFT I would like to convert it to phase and amplitude ; actually this is quite simple, I have to convert from cartesian to polar coordinates I know the conversion formulas, but the abstractions I wrote don't work very well, because the [atan2], [cos] and [sin] object doesn't exist in "signal" versions ("[sin~]", "[atan2~]") I used a [snapshot~] with a rate of 1/44100, but it cracks a lot What is the correct solution ? An external would be a great idea, but it has to work on both Windows XP and Mac OS X I would prefer something using only original objects Thanks a lot --

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[OT] open.src == art
by jonCates 04 Dec '03

04 Dec '03

on Wed, 3 Dec 2003 23:37:16 -0500 Marc =?iso-8859-1?Q?Lavall=E9e?= <odradek(a)videotron.ca> wrote: >Free software, for example, can be artistic, partly because of its >agenda, and because we can appreciate >ideas expressed through human >readable code. this is an interesting pt + one that we (criticalartware) have used when we have discussed projects built in PD by nullpointer (Tom Betts) in relationship to Dan Sandin's Image Processor. Dan Sandin released his Image Processor, a patch-programmable analog computer optimized for video processing + synthesis, freely + openly. When he developed the I.P. in 1973 and Phil Morton sought to copy the device they began to work together to create the schematic plans which they called the "Distribution Religion". the Distribution Religion was then given to the community and any [additions/modifications] were incorporated in any further releases. criticalartware will be posting the Distribution Religion so as to make it available online to anyone interested in this system. we will also be releasing an interview w/Dan in which he describes the development of the system and his thoughts on its use, artware + open source as well as other [related/divergent] [issues/ideas]. jonCates /** * <coreDeveloper> * <http://www.criticalartware.net> * <joncates(a)criticalartware.net> **/

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[OT] [artists/developers]
by jonCates 04 Dec '03

04 Dec '03

on Wed, 3 Dec 2003 23:37:16 -0500 Marc =?iso-8859-1?Q?Lavall=E9e?= <odradek(a)videotron.ca> wrote: >There's no osmosis between code and the art it can support. I have >worked enough with artists to >understand that software and machines >are not considered artistic when used to create art. that depends (on the ppl involved, context, process, etc). some [artists/developers] are engaged in [programming/artmaking] equally, others more or less so in any direction. then there are the collaborations which may be more or less collaborative. >Programmers abused by artists are not artists. Maybe working "with" >artists makes a difference, but I >don't believe it's very >significant, only more cheerful. this issue of abuse vs collaboration is important + so inflected by our social-technological perspectives. some ppl feel that the idea of cooperation between separate specialists (i.e. the "artist" + "programmer") can only lead to inequities + exploitations while others find situations like this can be equitable. i suppose it all has to do w/the [goals/aspirations/intent/attitudes] of those involved + the way the interactions are [framed/contextualized]. >PD is for me a work of art; I don't really care how it's being used, >but since art can be created with the >help of PD, it makes it even >more interesting, not more artistic. I used PD for automation more >than art, >and for the joy of programming. thats a wonderful articulation. i am personally very interested in tool-building as an artform when the [toolset/codebase/system] itself is considered an artwork as well as having the ability to function as an authoring environment for [more/further/associated/independent] works. jonCates /** * <coreDeveloper> * <http://www.criticalartware.net> * <joncates(a)criticalartware.net> **/

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[OT] code-as-art/art-as-code
by jonCates 04 Dec '03

04 Dec '03

on Wed, 3 Dec 2003 16:48:07 -0700 thewade <pdman(a)aproximation.org> wrote: >First there were words, sculpture, images, performances, then came >video as the next step, now we >have code and the web as the most >complete means to translate and realize idea (IMHO of course). while the chronological historical perspective is helpful it can also be used to obscure overlaps, slippages, multiplicities, etc. i am interested in how certain [approaches/attitudes] [persist/permutate] overtime. in terms of the connections to video + video art, http://www.criticalartware.net may be of interest to ppl on this list. criticalartware is an [application/platform] for the [discussion/development] of these issues. an aspect of this situation that criticalartware is focused on is that in the early video art moment many artists were operating out of [conceptual/programming] positions, i.e. Steina and Woody Vasulkas: "I want to point to the primary level of codes, notably the binary code operation, as a principle of imaging and image processing. This may require accepting and incorporating this primitive structure (the binary code) into our views of literacy, in the form of binary language, in order to maintain communication with the primary materials at all levels and from any distance. The dramatic moment of the transformation into a binary code of energy events in time, as they may be derived from light, or the molecular communication of sound, or from a force field, gravity, or other physical initiation, has to be realized, in order to appreciate the power of the organization and transformation of a code." -Woody Vasulka, "A Syntax of Binary Images," Afterimage, 6:1-2, Summer 1978, p.20. we have interviews w/ppl from the early video art moment + current artware developers posted on criticlartware and seek to foster discussions about these issues by any one who wishes to participate. -- jonCates /** * <coreDeveloper> * <http://www.criticalartware.net> * <joncates(a)criticalartware.net> **/

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Pd-list December 2003