Pd-list May 2004

pd-list@lists.iem.at

126 participants
207 discussions

change sendsymbols dynamically
by Roman Haefeli 01 Jun '04

01 Jun '04

hi maybe it's an often asked question. suddenly i couldn't find the topic in the list. is there a way to change sendsymbol of a [send]-object dynamically? i'd like to create abstractions by messages. i know you can send messages using a message-box like [; 'sendsymbol' 'message' bla bla]. the problem is that i don't know the length of the messages. i tried that with a msg-box like [; $1 $2 $3 $4 $5 $6 $7 $8$ 9] and let the messages into this box. this works. also the patch, i created this way, works, but it's very ugly, because the objects look like this: [metro 500 0 0 0] [bang 0 0 0 0]. [send] with right inlet would be nice. roman

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report: pd meeting @ lac2
by Tim Blechmann 31 May '04

31 May '04

Hi pd-list, hi pd-dev-list, hi Miller, during the Linux Audio Conference 2 at the ZKM in Karlsruhe, we organized a small Pd meeting to informally discuss several topics concerning the developement of Pd and surrounding projects. External Development --------------------- First of all, there was the suggestion to create sets of externals, that are used to destinguish between kinds of externals, and to provide some kind of quality control for externals. This is supposed to make life easier for users to figure out, what the externals are doing, if they can rely on them (rock-solid vs. experimental externals) and also could make package releases easier, because not every external collection might stable or new at the same time. Further it might then be useful to get into concrete release cycles for such sets of externals (maybe including "deadlines", hoho!). It was also suggested to introduce a namespace for externals and/or abstractions to prevent the problem caused by objects with the same name (e.g. different "counter"s are provided in several libraries, but a package can hold only one). We also discussed moving the CVS to another server to improve the CVS access. IWRC, the IEM and Mathieu offered to set up a server, or maybe Miller can offer one at the UCSD. A reorganisation of the externals could be done when moving to another CVS server. A switch from CVS to subversion should be considered. Pd Development --------------- A second thing we discussed was the actual Pd development. The possible branching between Pd and IMPd and the differences between Miller's Pd and the devel branch on CVS might lead to problems for example for developers of externals but also for users ("What Pd will I need to achieve this task/run that external?"). We should discuss consequences of this openly with everyone involved. What definitely should improve, is the coordination of the development. This could improve by more actively using the pd-dev list to discuss further development, to maybe set up some kind of roadmap that we divide into tasks assigned to certain people etc. Concerning the CVS, we suggested that the MAIN branch could be a stable branch that could form a base for packages (similar to devel_0_37 is now). The actual development branch should be the unstable/experimental branch. Patches to the development branch can be merged to the MAIN branch when they are reported to be stable on all supported platforms. The main CVS branch already follows the upstream MSP version: it's not as experimental as IMPd, and regularily merges Miller's changes back in. This is a tedious work, that could be made much easier, if Miller's version and all changes there would be done directly in the CVS. Question to Miller: Would it be possible that you use the CVS for developments, too? This would improve the communication and coordination with the other developers. Pd is a pretty good piece of software, but it still has a way to go to 1.0. We should all try to combine our efforts to improve the development. Sitting at the dinner table were: Frank Barknecht Tim Blechmann Thomas Charbonnel Guenter Geiger Thomas Grill Kjetil Matheussen

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Re: Interpolating continuous controllers
by Alex Norman 31 May '04

31 May '04

You can low pass filter your CC inputs, though this will cause some delay, which may or may not be noticeable depending on your cutoff frequency. -Alex

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Interpolating continuous controllers
by Al Riley 31 May '04

31 May '04

Thanks to Georg and Matt for MIDI recording help. I am working on a subpatch with qlist now. Another question... My synth uses continuous controller sliders to control parameters of timbre in real-time. The values go from from 0 - 127. When I move the slider quickly, clicks are heard as the value steps up. What is the best way of interpolating incoming MIDI slider messages? Al Send instant messages to your online friends http://uk.messenger.yahoo.com

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(Off-topic) Mac OS X + Built-in audio + MIDI
by Jorge Cardoso 31 May '04

31 May '04

Hi, This is slightly off-topic but I've tried almost everything with no success so here it goes (also, I'm not too fluent in Mac-ish so bare with me): How can I configure Mac OS X with MIDI through the built-in audio card? In the MIDI audio setup utility I can see a IAC driver... what is this? PD lists this as a MIDI device but I still can't hear any MIDIs... I'm guessing I need a Core Audio driver for the built-in sound card but I don't know where to get it... I have a PowerPC G4 machine. Any guidance would be much appreciated. Thanks, jc --- Jorge Cardoso Centro de Investigação em Ciência e Tecnologia das Artes (CITAR) Univ. Católica Portuguesa Centro Regional do Porto Rua Diogo Botelho 1327 4169 - 005 Porto - Portugal Tel: 226196200 Ext: 133 "Whether you believe you can, or whether you believe you can't, you're absolutely right." - Henry Ford

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Abstract for ACM Multimedia submission
by Hans-Christoph Steiner 31 May '04

31 May '04

I took the text on the "about" page of pure-data.info and edited it a bunch to make this abstract for the ACM Multimedia conference submission. Any comments, feedback, etc. is appreciated: ________________________________________________________________________ ____ Pd (aka Pure Data) is a real-time graphical programming environment for audio, video, and graphical processing. It is the third major branch of the family of graphical patcher programming languages known as Max (Max/FTS, ISPW Max, Max/MSP, jMax, etc.) originally developed by Miller Puckette at IRCAM. The core of Pd is written and maintained by Miller Puckette and includes the work of many developers, making the whole package very much a community effort. Pd was created to explore ideas of how to further refine the Max paradigm with the core ideas of allowing data to be treated in a more open-ended way, opening it up to applications outside of audio and MIDI, such as graphics and video. Pd is free software and can be downloaded either as an OS-specific package, source package, or directly from CVS. Pd was written to be multi-platform from the beginning and therefore is quite portable; it runs on Win32, IRIX, GNU/Linux, BSD, and MacOS X plattforms. It is easy to extend Pd by writing object classes ("externals") or patches ("abstractions"). The work of many developers is already available as part of the standard Pd packages and the Pd developer community is growing rapidly. Recent developments include a RRADical, system of patches for building performance patches; pmpd, a library of objects for physical modeling, and PDP, a library of objects for generating and processing OpenGL and video in realtime. ________________________________________________________________________ ____ Man has survived hitherto because he was too ignorant to know how to realize his wishes. Now that he can realize them, he must either change them, or perish. -William Carlos Williams

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numberbox bug?
by marius schebella 30 May '04

30 May '04

Hi, a detail with number boxes has changed, in my opinion this is a bug... It is not possible any more to to send the same number a second time from a numberbox. I think before you could click the numberbox and then type into it and hit enter and the entered number was sent. But since version I think 0.37.0 (or is it only with this version???) I can enter any number, but not the same one again. Is there a reason for that? marius.

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Re: [PD-announce] wvvw - wave viewer, further adventures
by David NG McCallum 30 May '04

30 May '04

Tom, Okay, so by switching from the 'nv' driver supplied with redhat to the 'nvidia' driver supplied by Nvidia (on a gforce4-somethingorother) I no longer get that weird crash. but... - closing the window with the mouse causes pd to quit with "pd_gui: pd process exited". - deleting the wvvw object leaves the wvvw window still in existence - and once (hasn't been replicated) instantiating wvvw with an unknown array name actually caused my system to hang. Other than that, looks great. :) David __ _ _ _ _ __ ___ _ ___ __ _ _ _ ____ __ Music wants to be free http://sintheta.org Tom Schouten wrote: > > hi all, > > announcing the first release of wvvw, a minimalistic array viewer for > pd, supporting selection and navigation in an external window. > > more info and tarball at > > http://zwizwa.fartit.com/pd/wvvw/ > > linux only atm, but should be cross platform (uses only pthread, gl and > glut) > > enjoy, > > tom

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sm-lib
by Florian Hollerweger 30 May '04

30 May '04

Hi everybody! Looking for a possibility to make heavy use of weighted random variables in a pd-distribution running under Windows, the so-called "SM-Lib" by Johannes Taelman has been recommended to me. Unfortunately, I can't find it on the web, nor is it possible to contact Johannes under the mail-adress that I tried. Does anybody have an idea how to get it or what alternative solutions there are for weighted-random stuff in pd? flo.H

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wvvw crash
by David NG McCallum 30 May '04

30 May '04

Howdy, wvvw made just fine. Try to use it and Pd kaks out with the error: GLUT: Fatal Error in editor-window: OpenGL GLX extension not supported by display: :0.0 I assume that's a problem on my end, but I really have no idea. Hrm, or maybe I do... Anyway, at the very least it probably shouldn't be causing Pd to crash entirely... Cheers, David __ _ _ _ _ __ ___ _ ___ __ _ _ _ ____ __ Music wants to be free http://sintheta.org

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Pd-list May 2004