Pd-list July 2010

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124 participants
188 discussions

number of sample frames to skip
by tim vets 18 Jul '10

18 Jul '10

a very basic question, my apologies if I missed the obvious... In the soundfiler help, what is meant by 'sample frames' in the phrase "number of sample frames to skip in array" ? 1 sample ? 64 samples ? ....? many thanks, Tim

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[textfile], DeLorean, and the effects of time travel on mental health.
by Pierre Massat 18 Jul '10

18 Jul '10

Hello List, I badly need your help for i'm going totally nuts right now. I m trying to use a [textfile] to save a series of values. I have 16 lines of 12 integers to save each time (each txt file should only have 16 lines by 12 numbers). The way i 'm going about performing this awfully difficult task is as follows: 1) I first send a [write C:/....txt( to [texfile] 2) Then i send a [clear( to [textfile] 3) And finally i send my 16 lines using a [add 0 0 0 0 0 0.....0( Now, the issue is that i know for sure that what comes out of the [add 0 0 0 0( is right (i check with a print in the console), yet [textfile] freaks out somehow and consistently saves the previous list to the current txt file. Say, i have 16 lines of 0's. If i write to textfile1.txt, i will not get 16 lines of 0's, even though that's what i'll have printed in the console. Now if i change this to 16 lines of 1's, and if i write to textfile2.txt, i will get all 0's in textfile2.txt, and 1's in the console. I just don't know what's happening here. I checked that the way i gather the integers to be saved is right. The only solution that i can think of at the moment would be to systematically write to two files, the first of which would be useless. I know there has to be something cleaner. I guess i don't really understand how [textfile] works! Pierre

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[PD-announce] NYC Patching Circle this Sunday 7/18, noon-6pm
by Hans-Christoph Steiner 16 Jul '10

16 Jul '10

http://puredata.info/community/NYCPatchingCircle We are reviving the New York City Patching Circle and making it a monthly thing! Every third Sunday of the month, we'll be meeting at NYC Resistor. Last month we worked on Gem and laid plans for an object based on Mac OS X's IOSurface to allow different programs like Pd/Gem, Quartz Composer, etc. to share textures in the GPU. We spend enough time alone staring at our computers; we are proposing to work together. So often issues that arise when working can be solved with a quick two minute discussion that would take hours to solve alone. We have Dorkbot to see people's work, we have Share where anyone can play, we have workshops and universities to learn from. This is a meeting where we all can come to work. This is an informal gathering of patching and patchers (Pd, Max/MSP/ Jitter, and even vvvv, Eyesweb, Labview, etc.). Beginners and Experienced welcome. Open to everyone, students, the public, etc. Work on school projects, personal projects, ask for help, help others, or just patch quietly to yourself, in a room full of other people patching patches and helping other people patch. Every third Sunday of the month, so this Sunday, July 18th! noon-6pm Directions NYC Resistor, http://www.nycresistor.com/ 87 3rd Avenue, (between Bergen and Dean), 4th Floor Brooklyn, NY 11217 Tel. +1.347.850.4872 or +1.347.586.9270 2/3/4/5/B/D/Q/N/R to Atlantic/Pacific LIRR to Atlantic Terminal F/G to Bergen _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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[PD-announce] Fwd: [Fwd: Re: Floss Manual et Pure data]
by pascale gustin 16 Jul '10

16 Jul '10

Hello, For those who want to participate to translate Floss manual pd -> english to french... I forward this message... Thanks. Cheers p. ---------- Message transféré ---------- De : INFOS Centre de Ressources Art Sensitif Date : 16 juillet 2010 20:02 Objet : [Fwd: Re: Floss Manual et Pure data] Bonsoir, La chargée des flossmanuals france, Elisa Godoy de Castro Guerra, a créé une liste de diffusion pour commencer à constituer un groupe de personnes interessées et lancer les discussions. Pour s'y abonner envoyez un courriel à floss-manual-francophone+subconfirm (arobse)) googlegroups.com <http://groups.google.fr/group/floss-manual-francophone> Pour écrire à Elisa : elisa.dcg (arobse)) gmail.com Je vous laisse diffuser l'info + largement. à+ Agnès -- Yi Sang à Paris, du 23 juin au 4 juillet 2010. http://www.yisang.fr/ http://tinyurl.com/2fjt6jq http://www.pascsaq.org -r-W-x-R-W-X-R- x autobuild/wheel ---------------[18608128 - s-ile-nses] @@@@@@@ ;-) _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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Re: [PD] [PD-ot] How to massage pd into starting with Alsa on Beagleboard
by Claude Heiland-Allen 16 Jul '10

16 Jul '10

Hi, This should be on pd-list not pd-ot - Pd usage is off-topic on this pd-offtopic list ;) - but replying here too in case you're not on the other one (with pd-list as CC: and reply-to:). Also see this possibly-related thread, which I haven't checked in detail, so my reply below may be misinformation: http://thread.gmane.org/gmane.comp.multimedia.puredata.general/69002 http://thread.gmane.org/gmane.comp.multimedia.puredata.general/69044 http://thread.gmane.org/gmane.comp.multimedia.puredata.general/69045 On 16/07/10 11:15, Edgar Berdahl wrote: > Furthermore, I can start up a jack audio server as long as I disable the > audio inputs using -P > # /usr/bin/jackd -d alsa -d hw:0 -r 44100 -P -p 64 Does "mplayer -ao jack" work? > However, for the life of me I cannot seem to get Pd to produce sound > output. For instance, if I try to start Pd using jack > # pd -jack -noadc test.pd & > it resets the number of channels to zero, and the CPU usage according to > top skyrockets to about 95%. To try to start audio, I have to choose > Media|jack, manually put a check in the box "output device 1", and set > the channels to 2. Then Pd starts to report, "audio I/O stuck... closing > audio". Specifying the number of channels is necessary with -jack with some (buggy) Pd versions. I use "pd -jack -channels 2", you don't need "-noadc" because you might want to connect some other jack app (eg mplayer) to Pd. See if "pd -jack -channels 2" with [adc~]==[dac~] in a patch passes through "mplayer -ao jack" without any problems, is what I would try. > It doesn't matter whether I am using "omap3beagle (hardware)" or > "omap3beagle (plug-in)". I have to use "plug-in" for my USB soundcard in 24bit mode, as Pd doesn't seem to support that sample format natively. > Does anyone have any other ideas for ways in which I might be able to > get Pd to produce sound out like mplayer does? I have tried all the > startup switch combos that immediately came to mind. Could there be some > inherent reason why Pd will not work if zero audio input channels are > available? If Pd is pegging the CPU, maybe something is wrong. Does the beagleboard have a floating point unit (FPU)? If not, it would definitely be better to try an integer-dsp version of Pd (such as pda/pd-anywhere/pd-mobile/whatever it's called these days). Good luck, Claude

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Gem: pix_motionblur interferes with pix_buffer
by Max 16 Jul '10

16 Jul '10

Hi list, in a Gem patch i use pix_motionblur and pix_buffer and after some time with the pix_motionblur added i can't get rid of it any more. Setting the blur to 0 to the right inlet or switching the motionblur off by sending a 0 to the left inlet doesn't take the blur away any more. only re-loading the videos to the buffer makes the image unblurred again. It seems like pix_motionblur alters the images which are stored in the buffer. Sorry i can't provide a simple patch demonstrating the problem right now, but maybe even this rudimentary description is enough to give me a clue what the reason for this behavior could be. thanks, m.

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Pd-extended 0.42.5 release candidate 4 released!
by Hans-Christoph Steiner 15 Jul '10

15 Jul '10

A couple more little fixes, so 0.42.5-rc4: * more GOP bugs fixed (please test and report GOP issues!) * [shell] works on Mac OS X without a Crash Dump popping up There are of course many bug fixes and additions since 0.41.4, here are some highlights: * fixing Graph-On-Parent GUI bugs * complete 64-bit support for GNU/Linux * full support for Mac OS X 10.6 Snow Leopard (32-bit) * a brand new Help Browser that shows all installed libraries For more details, check the notes on the release wiki page: http://puredata.info/dev/NextRelease Downloading ----------- You can download builds for Debian, Mac OS X, Ubuntu, and Windows: http://at.or.at/hans/pd/installers.html You can get the source and build it yourself here: http://puredata.info/docs/developer/GettingPdSource http://puredata.info/docs/developer/BuildingPdExtended BUGS -------- Test away and file bugs in the bug tracker! Also check the bug tracker before reporting bugs, and if you find an existing bug report on the same issue, please add your information there: http://puredata.info/dev/bugtracker

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2d multiple preset interpolation?
by Martin . 15 Jul '10

15 Jul '10

hello list, has anyone already come up with a 2d preset interpolation similar to Ali Momeni's concept (http://www.alimomeni.com/interpolation-spaces) or as made in max (http://tirl.org/software/colorblobs/) for pd? cheers, martin

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Gem: sharing a framebuffer among instances of Pd
by Max 15 Jul '10

15 Jul '10

Hi list, i remember vaguely that someone (cyrille? cclepper?) mentioned that it's possible to share a gemframbuffer among multiple instances of Pd to transfer a video stream for example. how is that achieved exactly? thanks, m.

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Strange comportment with a filled and lighted cube in GEM
by Olivier Baudu 15 Jul '10

15 Jul '10

Hello, I've have reproduce several times on different computer, with different graphic cards, something looks like a bug with [cube ]. (always on pd-ext 0.42.5 rc4 // Lucid ) If I open a patch with a cube without loadbanging any "draw" option I can rotate it and have perfect shadows. But if I send a [draw fill( message... something weird happens... faces are not at the good place (or something like that)... and it's impossible to get back the original cube anymore. It is the same for everyone ? I precise that there is no problem with cylinder, or sphere object... only with cube... I've attached minimalist patch to make tests... Thanks 01ivier

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Pd-list July 2010