Pd-list August 2010

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123 participants
216 discussions

Re: [PD] OT: Ir leds
by Damian Stewart 30 Aug '10

30 Aug '10

> Date: Sun, 29 Aug 2010 19:44:16 -0700 > From: ronni montoya <ronni.montoya(a)gmail.com> > > Im making an interactive floor and i need to iluminate a space of 4 x > 4 meters with ir light. Hi Ronni, this question would be best asked on the openFrameworks forum http://openframeworks.cc/forum since many people there work professionally with computer vision and related interactive technology on a day-to-day basis... hth d -- damian stewart . @damiannz . damian(a)frey.co.nz frey . contemporary art . http://www.frey.co.nz

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openpanel crash
by Alexandre Porres 30 Aug '10

30 Aug '10

hi there, I'm coming again with the same problem I brought up sometime ago. I'm experiencing some weird [openpanel] crashes, maybe is something with the new MAC OS Snow Leopard? anyway, I'm sending the patch attached as a text. Apparently, if I create first some other patch and use [openpanel] and nothing else, it doesn't crash, then I can open this patch so it works without crashing. it's crashing both in Pd Vanila 42.5 as in extended 41.4 cheers alex -------------- #N canvas 578 54 742 582 12; #X obj 514 36 loadbang; #X obj 122 230 bng 25 250 50 0 empty empty Escolher_Sample -45 -12 2 20 -4032 -1 -1; #X obj 156 273 nbx 6 19 0 100 0 0 empty sr Sample_Rate_em_KHz 1 -13 1 15 -4034 -91543 -1 44.1 256; #N canvas 302 166 923 479 sampler 0; #X obj 163 -65 cnv 15 100 60 empty empty empty 20 12 0 14 -233017 -66577 0; #X obj 314 48 /; #X obj 314 91 * 1000; #X obj 170 -26 nbx 8 14 -1e+37 1e+37 0 0 empty empty empty 0 -6 0 10 -203904 -1 -1 528552 256; #X obj 314 72 nbx 5 14 -1e+37 1e+37 0 0 empty empty empty 0 -6 0 10 -232576 -1 -1 11.9853 256; #X obj 314 115 nbx 5 14 -1e+37 1e+37 0 0 empty empty empty 0 -6 0 10 -204786 -1 -1 11985.3 256; #X text 372 67 N˙mero de Amostras dividido pelo Sample Rate do Arquivo d· o tamanho do arquivo em segundos; #X obj 261 245 line~; #X msg 261 222 0 \, \$1 \$2; #X obj 261 162 float; #X obj 170 96 metro; #X obj 170 76 tgl 15 0 empty empty empty 0 -6 0 10 -155649 -262130 -1 1 1; #X text 41 132 Sample Size; #X text 32 96 sample em Miliseg; #X text 13 78 Bangs a cada Loop do; #X msg 170 47 1; #X obj 169 -97 inlet; #X obj 261 320 outlet~; #X obj 313 -96 inlet; #X obj 345 24 * 1000; #X obj 261 188 pack 0 0; #X obj 261 271 tabread4~ \$0-sampler; #X obj 144 -94 bng 15 250 50 0 empty empty empty 0 -6 0 10 -262130 -1 -1; #X text 413 24 Sample Rate do Arquivo (entrada È em Khz \, por isso multiplicamos por 1000).; #X text 327 188 Lista (N˙mero de Amostras do Sample e sua duraÁ„o em ms); #X text 425 218 A cada Loop \, o line~ recebe duas mensagens. A primeira (Zero) leva o [line~] imediatamente ao zero. A segunda È uma lista com N˙mero de amostras e tempo em Milisegundos. Com esses dados o line~ gera um fluxo de n˙meros crescentes que serve de Ìndices para o [tabread4~]. ; #N canvas 0 22 450 300 (subpatch) 0; #X coords 0 1 100 -1 615 95 1; #X restore 242 212 graph; #X obj 265 101 f; #X obj 314 24 f; #X obj 94 -96 inlet; #X obj 313 -51 t b f; #X obj 170 -3 trigger bang float; #X obj 170 123 trigger b b; #N canvas 54 51 867 383 openpanel 0; #X obj 187 84 openpanel; #X symbolatom 187 112 80 0 0 0 - - -; #X obj 152 195 pack symbol symbol; #X text 92 83 ABRE ARQUIVO; #X text 72 169 de Arquivo e; #X text 89 185 Tabela; #X text 45 153 Cria lista com nome; #X obj 275 172 symbol \$0-sampler; #X text 330 229 Soundfile recebe a mensagem "Resize + (nome do arquivo) + (nome da tabela)" e joga o arquivo de som na tabela ao mesmo tempo em que redimensiona a tabela para o tamanho do arquivo! O Outlet d· o tamanho da tabela em n˙mero de amostras.; #X obj 187 144 t symbol bang; #X obj 188 51 inlet; #X obj 152 283 soundfiler; #X msg 152 258 read -resize \$1 \$2; #X obj 152 312 outlet; #X obj 165 52 bng 15 250 50 0 empty empty empty 17 7 0 10 -262144 -1 -1; #X connect 0 0 1 0; #X connect 1 0 9 0; #X connect 2 0 12 0; #X connect 7 0 2 1; #X connect 9 0 2 0; #X connect 9 1 7 0; #X connect 10 0 0 0; #X connect 11 0 13 0; #X connect 12 0 11 0; #X connect 14 0 0 0; #X restore 169 -56 pd openpanel; #X obj 293 136 nbx 8 14 -1e+37 1e+37 0 0 empty empty empty 0 -6 0 10 -203904 -1 -1 528552 256; #X text 371 111 Tamanho do Sample em ms (milisegundos); #X connect 1 0 4 0; #X connect 2 0 5 0; #X connect 3 0 31 0; #X connect 4 0 2 0; #X connect 5 0 27 1; #X connect 5 0 20 1; #X connect 7 0 21 0; #X connect 8 0 7 0; #X connect 9 0 20 0; #X connect 10 0 32 0; #X connect 11 0 10 0; #X connect 15 0 11 0; #X connect 16 0 33 0; #X connect 18 0 30 0; #X connect 19 0 1 1; #X connect 20 0 8 0; #X connect 21 0 17 0; #X connect 22 0 33 0; #X connect 27 0 10 1; #X connect 28 0 1 0; #X connect 29 0 15 0; #X connect 30 0 28 0; #X connect 30 1 19 0; #X connect 31 0 15 0; #X connect 31 1 28 0; #X connect 31 1 34 0; #X connect 32 0 9 0; #X connect 32 1 27 0; #X connect 33 0 3 0; #X connect 34 0 9 1; #X restore 89 304 pd sampler; #X obj 203 350 cnv 15 397 148 empty empty empty 20 12 0 14 -233017 -66577 0; #N canvas 0 22 454 304 (subpatch) 0; #X array \$0-sampler 528552 float 0; #X coords 0 1 528551 -1 400 150 1; #X restore 202 350 graph; #X text 45 86 Esse patch È um sampler em loop \, mas tambÈm podemos mudar o pitch e o tempo do sample ao ajustar o sample rate do nosso sampler. Um sample rate menor que o do aquivo o tocar· mais lento e mais grave \, enquanto que um maior o toca mais r·pido e mais agudo. ; #X obj 81 336 dac~; #X obj 31 27 cnv 15 315 40 empty empty Sampler-Looper: 20 12 0 24 -262144 -66577 0; #X obj 89 274 bng 15 250 50 0 empty empty empty 17 7 0 10 -204800 -1 -1; #X text 59 253 restart; #X msg 514 60 \; pd dsp 1 \; sr 44.1; #X connect 0 0 11 0; #X connect 1 0 3 1; #X connect 2 0 3 2; #X connect 3 0 7 0; #X connect 3 0 7 1; #X connect 9 0 3 0;

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Re: [PD] OT: Ir leds
by Gerard Paresys 30 Aug '10

30 Aug '10

>only 18 leds? wow , can you tell me please which large was the space >you iluminated? how many meters does it have? A circle of approximately diameter 2 meter. The 18 LEDs are placed at a distance of approximately 1 to 2 meters. http://gerard.paresys.free.fr/Installation/index.html Gerard > >thanks!!! > >2010/8/30 Gerard Paresys <gerard.paresys(a)ens.fr>: >> I illuminated an installation with 18 IR diodes OPE5685. >> http://radiospares-fr.rs-online.com/web/4550802.html >> >> For an Unibrain camera ref 2061: >> http://www.unibrain.com/Products/VisionImg/Fire_i_BC_remoteCCD.htm >> with 2.1mm Wide Lens (no IR coating) >> >> Gerard >>

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abstraction precedence
by Matteo Sisti Sette 30 Aug '10

30 Aug '10

Hi, I made a patch in Pd Vanilla and happened to create some abstractions that have same names (but completely different functionality) as some Pd Extended objects; so now if I open it in Pd Extended, the externals will be used instead of my abstractions. Is there a way I can change this precedence, and have the abstractions in the patch folder take priority over library externals in case of name clashes? thanks m,

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OT: Ir leds
by ronni montoya 30 Aug '10

30 Aug '10

Hello everybody, i dont know if here is the correct place to ask, if anybody know another forum related to this , i will be very happy if somebody can show me: Im making an interactive floor and i need to iluminate a space of 4 x 4 meters with ir light. I been seen there are some ir leds matrix on survillance stores but they are expensive to my budget, so i was thinking that i can build my own ir led matrix . I been seen there are tons of different types of ir leds with different characteristics. Do anybody know which ir leds do i need for this? which model, label or serial number? Any idea would be appreaciated thank you very much Ronny

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Maximum playback/capture with jack
by Christoph Kuhr 30 Aug '10

30 Aug '10

Hi everyone, I have a problem using jack audio... I want puredata to register 48channels of capture and 8 of playback. But i get only 18channels running. Else pd says: "error: JACK: unable to connect to JACK server JACK: jack returned status 17 error: JACK error: cannot deliver port registration request error:JACK: can only register 18 input ports (instead of requested 48)" Is pd limited to 26 channels IO?

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[PD-announce] I C::ntr::l Nature Live Media Performance at Flussi Festival, Italy
by Marco Donnarumma 29 Aug '10

29 Aug '10

Dear all, I’ll be performing the Pd-based, audiovisual concert for augmented bass guitar and butterfly I C::ntr::l Nature<http://marcodonnarumma.com/works/i-cntrl-nature>v.3.0 on 26th August at Flussi Festival for New Media Arts, Avellino, Italy. I’ll share the stage with Menion (La Bèl Netlabel), Mokira (Raster-Noton / Milleplateaux / Type Records) and Thomas Fehlmann (Kompakt / Plug Research). I suggest to check the complete program <http://www.flussi.eu/programma-2/>on the festival website as it includes many other interesting artists such as Domenico Sciajno, Murcof, Asferico, Lukid and Mount Kimbie. Drop me a line if you happened to be around, I'd be delighted to meet up for a drink. Best, -- Marco Donnarumma aka TheSAD Independent New Media Arts Professional, Performer, Teacher - Edinburgh, UK PORTFOLIO: http://marcodonnarumma.com LAB: http://www.thesaddj.com | http://cntrl.sourceforge.net | http://www.flxer.net EVENT: http://www.liveperformersmeeting.net _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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pd at Gentoo
by alexandros 29 Aug '10

29 Aug '10

Hello! I would like to install pd on my Gentoo Linux. I have installed the overlay, but emerge does not find anything like pd, pure-data, puredata. Could please somebody help? My architecture is amd64. Thanks for any help or advice. Best Regards Alexandros

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multiblob without luminosity
by ronni montoya 28 Aug '10

28 Aug '10

Hello pd list. I would like to know if its possible or if there is a way to have something like the pix_multiblob object but not based on luminosity but instead on background substraction. I been seen that with opencv it is possible to track blobs based on backgound substraction instead of luminosity. How can i achieve this in puredata? thanks in advance Ronni Montoya Huamani

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Re: [PD] howto get "pool"
by Mathieu Bouchard 28 Aug '10

28 Aug '10

On Fri, 27 Aug 2010, Thomas Grill wrote: >> Is the only possibility, to declare the "::new" operators as static >> inline or so, in the *.h files ? (I think I did that for a while in GF, >> but I removed those completely several years ago because I wasn't >> really using them anymore) > I ithink using an anonymous namespace (a more recent C++ language > feature) would be possible... The anonymous namespace feature is there because of the 'static' mess in C++. This mess comes from the expansion of the original meanings of 'static' in conflicting ways (this comes from the C language's double meaning of 'static' in the first place). So really, anonymous namespaces are only needed when you need to hide symbols in this compilation so that the linker doesn't see it, but in a context where the 'static' word already means «this is a class variable instead of an object variable» or «this is a class method instead of an object method». Incidentally it can also be used as a shortcut for not having to write "static" in front of 242 different names. I just wrote this because I thought you could say static in front of a global operator new, but one can't, so, yes, it has to be using anonymous namespaces... > however, using namespaces in flext would make flext-based projects > backwards incompatible. But do people use flext as .so file ? if not, then any old code will run with an old version of flext while a new one gets installed. I say that because the only change would be to make the global 'operator new' a part of the .h instead of the .a ... Alternately, I suppose you can achieve a lot of the same effect by putting operator new in a common superclass, but it depends on what you use 'operator new' for... _ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard on the road (in Îles-de-la-Madeleine, QC).

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Pd-list August 2010