Pd-list August 2011

pd-list@lists.iem.at

105 participants
128 discussions

Controlling a Printer
by Tyler Leavitt 01 Sep '11

01 Sep '11

Hello list, I was curious if anybody has dabbled in controlling a printer through pd. I'm waiting for a cheap one to arrive at the local second-hand store, so while I wait to attempt it myself I thought I'd ask the list. Specifically, I seek to control the location of the printer needle(?) that moves horizontally. I figured I could attach a slide to it and run a guitar string under it for some techno-slide music. Any input appreciated, Tyler

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multiple instances of the same dynamic abstraction?
by Michael Zacherl. 01 Sep '11

01 Sep '11

Hi, I'm currently experimenting with dynamic patching, sending mgs to cnvs etc. One obvious question is, how to address a dynamic abstraction when having multiple instances of it in a main patch. Is there a way around this? Besides that any msg to the cnv hits all occurrences of that particular abstraction I manage to crash pd almost regularly with 0.42.6, ext-0.42.5 and 0.43.0. 0.43.0 also shows an Tcl-error message, probably regarding the line which sticks out when running that example on 0.42.6 and ext-0.42.5. (this cord also shows up when using just one instance of this abstraction). I included a simple example. Any hints? Thanks a lot, Michael. -- keep your ears open: http://blauwurf.at http://soundcloud.com/noiseconformist

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Ot: Repetition of short patterns
by adam sanches 31 Aug '11

31 Aug '11

Hi, i was wondering if there are any psychoacustic studies related to repetition of short patterns. Do you know any autor, text or book related to this? any idea would be aprreciated Thanks A.

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Multiprocessing
by Jean-Marie Adrien 30 Aug '11

30 Aug '11

Hello list Im pushing a Mac quite a lot with image analysis + audio and id like to know if there is a simple way to use efficiently the multiprocessors. Ive read through a recent paper by Miller concerning multiprocessing, but is there somewhere a manual :) ? Something practical for a basic user ? Would running two instances of PD (one processing image and the other sound, with some internal bus link) be a good trick ? Anyone gone along this way ? Thanks JM

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Re: [PD] 24 bit if files distorted
by Marco Donnarumma 29 Aug '11

29 Aug '11

Hi Peiman, good to see you here. I reckon what IOhannes mentioned was this very recent thread here on the list: http://lists.puredata.info/pipermail/pd-list/2005-08/030115.html not a solution there, but Miller took a look at the issue. cheers, Marco > Thanks, > > OK I found this: http://puredata.hurleur.com/sujet-3749-bit-audio-array > > >From your explanation it sounds like the problem is in soundfiler right? > > BTW the subject of this email should read "24 bit aif files distorted" > > Best, > > -- Marco Donnarumma Independent New Media and Sonic Arts Practitioner, Performer, Teacher ACE, Sound Design MSc by Research (ongoing) The University of Edinburgh, UK ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Portfolio: http://marcodonnarumma.com Research: http://res.marcodonnarumma.com | http://www.thesaddj.com | http://www.flxer.net Director: http://www.liveperformersmeeting.net

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arrowheads on cords plugin
by Hans-Christoph Steiner 29 Aug '11

29 Aug '11

I whipped up a quick plugin to add arrowheads to cord when in editmode. The arrowheads clearly show the direction that the messages are flowing. .hc ---------------------------------------------------------------------------- Computer science is no more related to the computer than astronomy is related to the telescope. -Edsger Dykstra

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Update: Extended View Toolkit v0.31
by news＠petervenus.de 29 Aug '11

29 Aug '11

Hello all! we just finished an update for the Extended View Toolkit, that, apart from some bugfixes, features a couple of example-files to get you startet. Those examples cover a couple of scenarios of what the toolkit is capable of. If you have projects, where you use the toolkit, we would love to hear about them :) download the toolkit at http://puredata.info/Members/Weitsicht/ Enjoy, Peter & Marian p.s.: webpage can be found at http://extendedview.mur.at Release Notes v0.31 ---------------------------- changed ev_pro_flat and ev_pro_curved abstractions: - no gemhead included anymore for consistency with easymap abstractions; gemhead now has to be connected externally, see corresponded helpfiles for details - second creation argument of ev_pro_flat/curved deprecated changed ev_buf: - no gemhead built in anymore, has to be connected externally for more clear structure of patch and more obvious dataflow, see helpfile for example changed ev_mouseover: - removed creation arguments; render order and gemwin dimen must from now on be set via messages. added new example patches: - ev_module-list (quick overview of the modules) - ev_example_masking (masking capabilities for video mapping) - ev_example_3d (3d renderings) - ev_example_framebuffers (using multiple framebuffers) - ev_ecample_vfx (pix_… video effects) - ev_ecample_grids (using the two different grids) - ev_example_storage&osc (using the data storage solution & transmit/receive osc-streams minor changes inside the data storage logic (v0.1) minor changes in gil, not affecting the toolkit (v0.11) fixed some bugs inside ev_grid added flip functions to ev_pro_grid fixed bug in ev_buf: framebuffer content was translated 0/0/-5. Now 0/0/-4 to compensate the viewpoint mismatch of framebuffer and gemwin. Also all helpfiles & examples using ev_buf have been corrected.

1 0

search plugin update
by Jonathan Wilkes 29 Aug '11

29 Aug '11

Search plugin revision: *added status bar shows link locations and search text (if searching for a keyword tag) * quoted text works, e.g., "it's a secret to everybody" * regexes seem to work, e.g., "outlet.*symbol" will match all objects that output a symbol * pd-style word boundaries, e.g., "clip~" works when "whole words" option is checked * font +/- with ctrl-plus/ctrl-minus keys -Jonathan

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[PD-announce] gem 0.93.0
by IOhannes zmölnig 29 Aug '11

29 Aug '11

after long years of waiting (foir you) and hard labour (for me), Gem 0.93 has been released today. large parts of the underlying engine have been re-written to give you a better experience! binaries are available for w32 (installer & zip), for the brave and adventurous there is the source code. binaries for OSX and not available yet, but we hope to get them online soonish. grab it while it's hot: http://gem.iem.at/releases/0.93.0 alternatively you can get the files from https://sourceforge.net/projects/pd-gem highlights ========== Objects ------- frei0r video plugins support - [mesh], [surface3d],... - [separator] now takes arguments to define which stacks to push/pop documentation ------------- - numerous bigfixes and improvements extra ----- - [pix_fiducialtrack] is no more part of Gem (but comes bundled with Gem) - [pix_artoolkit] fiducial tracking using ARToolKit - [pix_drum], [pix_mano]: Jaime Olivier's analysis objects! plugins ------- image acquisition is now factored out into "plugins" this means that you can e.g. easily add new image acquisition methods to the existing [pix_video], [pix_film] and [pix_image] objects - still image loading/saving now uses plugins on all platforms on w32 you can now use ImageMagick and/or QuickTime for loading/saving images, which greatly increases the number of supported formats. you now get programmatic feedback on image loading success... - video acquisition now uses plugins on all platforms uniform way to get or set properties/attributes/controls, like hue, saturation, shutter-speed, pan,... working DV support (on linux) V4L also works with newer kernels (that dropped v4l) support for IIDC support for industrial grade GigE cameras using 3rd party libraries such as PYLON, Halcon or AVT's PvAPI experimental UNICAP support - film acquisition now uses plugins on all platforms (you could use gmerlin on w32 or osx...) - recording (film output) now uses plugins on all platforms support for V4L2 (and V4L) loopback devices, in order to generate a fake live video from your Gem window - use itfor recording, streaming,... settings -------- global & local settings files to modify the overall behaviour of Gem you don't like Gem's default framerate, windowsize, font, texture mode,...? change it once and for all internals --------- - API: this is the first Gem with a "public" API: a selection of headers that you can use to write your own Gem-plugins build-system - build system: completely switched to a proper autotools - openGL: updated bundled GLEW - source organization: re-organized the entire source tree for hopefully better maintainability lowlights ========= i need an OSX developer willing to spend some time in getting image acquisition and windowing to work on OSX>=10.6 (x86_64) mfga,dsra IOhannes _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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Re: [PD] [PD-dev] tkwidgets
by Joe White 29 Aug '11

29 Aug '11

Thought I'd just mention this as it seems to be on a similar topic. For fun I was making a GUI interface for OSX with ZenGarden, a Pd runtime library. https://github.com/joewhite4/Zeng It's not fully functional yet but you can open patches and mess around with objects. Just thought it might be of interest. Cheers, Joe ------------------------------ > > Message: 3 > Date: Fri, 26 Aug 2011 02:19:20 +0200 > From: Andr?s Mur?nyi <muranyia(a)gmail.com> > Subject: Re: [PD] [PD-dev] tkwidgets > To: pd-list <pd-list(a)iem.at> > Message-ID: > <CAJtGUK6F3R=Ev+iuvn-82gkux05-fMxTUan2+K5w4c2z5BSy=Q(a)mail.gmail.com > > > Content-Type: text/plain; charset="iso-8859-1" > > Yeah and afaiu this is exactly the job that HC just started (see his > announcement below). > Yvan: in my simple understanding it goes like this: 1. getting rid of > tcl-specific code in pd c core 2. minimizing the communication between the > core and the gui (3. defining the api/protocol?) 4. anyone can go make all > sorts of guis for pd... at this point or later on vanilla may or may not > switch from tcl - imho it's to be decided when we're there > > Andras > > On Fri, Aug 26, 2011 at 01:39, Jonathan Wilkes <jancsika(a)yahoo.com> wrote: > > > The pd/pd-gui divide is a little misleading-- there are lots of places in > > the c code where there are sys_gui and sys_vgui calls with tcl in them, > plus > > c code that probably assumes tcl is being used on the gui side. > > > > You'll either need to write a wrapper for those calls, or modify a lot of > c > > code and basically make a fork (iemguis, canvas stuff, etc.) > > > > But even if you write a wrapper, there are still issues that will need to > > be dealt with on the c side to minimize the number of messages passing > back > > and forth between pd and gui. For example, there is one call per xlet to > > the gui when an object gets instantiated/vis'd, plus drawing the border > and > > text, rather than one call per object (and letting the gui deal with > where > > to draw xlets, box width, font, etc.). > > > > -Jonathan > > > > ------------------------------ > > *From:* yvan volochine <yvan.pd(a)gmail.com> > > > > *To:* Hans-Christoph Steiner <hans(a)at.or.at> > > *Cc:* Jonathan Wilkes <jancsika(a)yahoo.com>; pd-dev List <pd-dev(a)iem.at> > > *Sent:* Thursday, August 25, 2011 6:18 PM > > *Subject:* Re: [PD-dev] tkwidgets > > > > On 08/17/2011 08:54 PM, Hans-Christoph Steiner wrote: > > > I've started a private git branch of > > > tkwidgets that I intent to push once I get somewhere with it. The idea > > > is to try out a new idea for how GUI objects can work. Basically, I > > > think I can make it so that Tcl handles more of the interaction with > the > > > user, minimizing on pd-gui <--> pd communications, and making it easier > > > to write GUI objects. Its not trivial to do, but should be doable. > > > > hiho > > > > sorry for bumping in but what about giving up tcl-tk and go on with > > something more "modern" (? la Qt), with a decent OO interface ? > > > > I might miss the obvious as I'm new here but what about rewriting pd GUI > in > > Qt ? > > wouldn't it make more sense than spending time hacking on and on tcl-tk > > code ? > > > > my 0.001$ > > _y > > > > > > > > >

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Pd-list August 2011