Pd-list April 2013

pd-list@lists.iem.at

102 participants
131 discussions

Nikon DSLR Capture with Pd
by me.grimm 05 Apr '13

05 Apr '13

Has anyone been able to capture images from a Nikon DSLR with Pd? I have a student who is able to control her dslr with osx "image capture" (space bar takes an image) but we can not seem to figure out how to capture directly with/to pd OR even trigger "image capture" with pd might work also for now.... BTW this is through the USB cable. thinking out loud - can pd send a system wide event like "space bar" though shell maybe to "image capture"? that is if pd can not control dslr directly m -- ____________________ m.e.grimm | m.f.a | ed.m. megrimm(a)gmail.com _________________________________

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Recursion in Gem: URL dead
by Peter P. 04 Apr '13

04 Apr '13

Dear List, dear Claude, was trying to find the cool recursion-for-GEM tutorial, that Claude posted some years ago. Here is the mailing list announcement: http://lists.puredata.info/pipermail/pd-list/2007-07/052198.html And the webpage, sadly with defunct links: http://www.blurty.com/users/claudiusmaximus/day/2007/07/18#407 Is the tutorial hosted elsewhere, or does anyone still have it? Would be terrific to try out! thanks a lot PP

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subnormal numbers explained
by katja 04 Apr '13

04 Apr '13

Hello, Found this instructive article about subnormals (called denormal numbers there): http://www.google.nl/url?sa=t&rct=j&q=musicdsp%20denormal&source=web&cd=3&v… Subnormal numbers are a pain in the ass, they cause substantially increased CPU load without doing anything useful for audio DSP. Unfortunately it can happen in some Pd objects (notably [freeverb~]), and spoil the performance of a Pd patch. The article explains why subnormal numbers occur, and what can be done to eliminate or prevent them. Katja

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Changing the "grid" size when moving objects with shift+arrows
by matijoncek prdoncek 03 Apr '13

03 Apr '13

Hello list, I am working on a microtonal sequencer made with data structures (the structures represent notes) that will read their position on the canvas as their position in time and pitch. I was wondering if it's possible to change the the number of pixles by which the objects move when you select them and use shift and the cursor buttons to move them. I need this because it makes a lot more sense to divide a semitone and a 16th note into 12 equal parts as opposed to the default 10 and it would be convenient to shift+arrow move the notes around the canvas. Cheers, Matija

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PuREST JSON 0.11 for 32bit Build Request
by me.grimm 03 Apr '13

03 Apr '13

Hello, I have a student interested in exploring this. She is using the 32bit extended build. Can someone build this for the 32bit pd-extended w/ all libs embedded for me? I have no way to build this on my system without some great effort. If someone still has a 10.5 fink 32bit build system.... hans? maybe on the 10.5 build pdx system? m -- ____________________ m.e.grimm | m.f.a | ed.m. megrimm(a)gmail.com _________________________________

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[ANN] New External: tglgrid, a togglable grid of cells
by Nick Lanham 03 Apr '13

03 Apr '13

Posting here too since I got a lot of silence on pd-dev. From the README: A tglgrid is a grid of cells that can each be toggled on and off. It can be instantiated with different dimensions depending on your project's needs. You can bang the left input to output a list of the active cells in the currently active column and send a column number to the right input to select the active column. Cells can also be toggled and/or turned on/off by sending messages: "tgl col row", "on col row", or "off col row". Right now this has only been tested on linux. I would appreciate any reports about success and/or failure of running this in other environments. The github page is here: https://github.com/nicklan/tglgrid You can find screenshots there if you're interested. As this is my first external, I'm sure I've made some horrible coding/design mistakes and appreciate any feedback in that regard. Cheers! -Nick

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help pyata
by Miguel Eduardo Venegas Monroy 03 Apr '13

03 Apr '13

i have a question about the point 2, and 3. 2 - configure... after that, you have to configure Pyata. for that you must: 1. among the downloaded files, you'll find "config.properties" file. open it. *the folder not have this part* 2. in the beggining of it, you will find an important variable: PD_DIR, that stores where your original pd application is (that one you are able to run using a terminal). update its value (you must put the entire path!!!) and run the "example.py" file. if you have no errors, everything should be fine and configured! *I dont undertand this part. * 3 - ... and run! now, everything should be fine and you can try Pyata without problems! keep on, reading the tutorial<http://code.google.com/p/pyata/wiki/Getting_Started> !

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live streaming speed comparison
by Scott Vanya 03 Apr '13

03 Apr '13

Hi, all. Am attempting to stream live video in theora format (through the giss.tv Icecast2 servers). In your opinion will pd_extended out-perform in terms of speed (i.e. how fast the images are moving compared to real time on the clients machines) the more traditional ffmpeg/ffmpg2theora/oggfwd stack, or should I just continue to use that stack over pd? I want the output to ogv and I am using pd_extended 0.42.5 and am using an ubuntu lucid derivative (puppy linux) so my libc is sort of set in stone). Also, off topic, but if the pd transmission is faster than the ffmpeg stack is it also faster or slower than the gstreamer avenue? Thanks, in advance for your input. -- *Scott Vanya* ------------------------------------------------------------------------ scottvanya(a)gmail.com <mailto:scootvanya@gmail.com> scottvanya.wordpress.com <http://scottvanya.wordpress.com> Open Mics Austin (website) <http://openmicsaustin.wordpress.com/> Open Mics Austin-Live Internet Stream <http://giss.tv/interface/?mp=openmicsaustin.ogg> Letting the sun within my mind unite as one with the Earth within my heart The Bird flies free on the winds of my every breath.

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installing pd 32 bits in a 64 bit linux?
by Jm Jones 02 Apr '13

02 Apr '13

Hi, im a little confused because in windows this works different (i think). In win7 64 bits i use pd-extended 32. But In ubuntu 64 bits the 64 bits pd package says that some externals aren't fully compatible, so i want to install the 32 b version, is this possible? cheers -- JM Jones

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Fwd: can't edit the symbol field
by Scott Vanya 02 Apr '13

02 Apr '13

I have pd-extended (Pd-0.42.5-extended-ubuntu-lucid-i386.deb) installed am running Puppy Linux and opened the pd script from GISS.tv, but for some reason can't enter text in the mountpoint, server etc. fields. Anybody know what I'm doing wrong? (and even more so what I can do to enter values in thes fields?) Thanks, in advance for your help. Also, I tried giss.tv's maillist and they said I should try contacting pd's mailing list. plz, help. -Scott The Pd output on bootup says: [import] $Revision: 1.2 $ [import] is still in development, the interface could change! compiled against Pd version 0.42.5 libdir loader $Revision: 1.8 $ compiled on Sep 22 2010 at 15:51:19 compiled against Pd version 0.42.5.extended GEM: Graphics Environment for Multimedia GEM: ver: 0.92.3 GEM: compiled: Sep 22 2010 GEM: maintained by IOhannes m zmoelnig GEM: Authors : Mark Danks (original version) GEM: Chris Clepper GEM: Cyrille Henry GEM: IOhannes m zmoelnig GEM: with help by Guenter Geiger, Daniel Heckenberg, James Tittle, Hans-Christop Steiner, et al. GEM: found a bug? miss a feature? please report it: GEM: homepage http://gem.iem.at/ GEM: bug-tracker http://sourceforge.net/projects/pd-gem/ GEM: mailing-list http://lists.puredata.info/listinfo/gem-dev/ GEM: compiled for SIMD architecture: MMX GEM: using MMX optimization libdir_loader: added 'cyclone' to the global objectclass path libdir_loader: added 'zexy' to the global objectclass path libdir_loader: added 'creb' to the global objectclass path libdir_loader: added 'cxc' to the global objectclass path libdir_loader: added 'iemlib' to the global objectclass path libdir_loader: added 'list-abs' to the global objectclass path libdir_loader: added 'mapping' to the global objectclass path libdir_loader: added 'markex' to the global objectclass path libdir_loader: added 'maxlib' to the global objectclass path libdir_loader: added 'memento' to the global objectclass path libdir_loader: added 'mjlib' to the global objectclass path libdir_loader: added 'motex' to the global objectclass path libdir_loader: added 'oscx' to the global objectclass path libdir_loader: added 'pddp' to the global objectclass path libdir_loader: added 'pdogg' to the global objectclass path libdir_loader: added 'pixeltango' to the global objectclass path libdir_loader: added 'pmpd' to the global objectclass path libdir_loader: added 'rradical' to the global objectclass path libdir_loader: added 'sigpack' to the global objectclass path libdir_loader: added 'smlib' to the global objectclass path libdir_loader: added 'toxy' to the global objectclass path libdir_loader: added 'unauthorized' to the global objectclass path vbap - v1.0.3 - 12 Aug 2006 - (c) Ville Pulkki 1999-2006 (Pd port by HCS) libdir_loader: added 'pan' to the global objectclass path libdir_loader: added 'hcs' to the global objectclass path libdir_loader: added 'jmmmp' to the global objectclass path libdir_loader: added 'ext13' to the global objectclass path libdir_loader: added 'ggee' to the global objectclass path libdir_loader: added 'flib' to the global objectclass path libdir_loader: added 'ekext' to the global objectclass path libdir_loader: added 'flatspace' to the global objectclass path PDP: pure data packet version 0.12.6 PiDiP : additional video processing objects for PDP version 0.12.26 by Yves Degoyon and Lluis Gomez i Bigorda

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Pd-list April 2013