Pd-list April 2008

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132 participants
205 discussions

Spanish translation of Pd documentation
by Natanael Olaiz 11 Apr '08

11 Apr '08

Hi all! I write to ask if someone knows if there is a spanish translation of the official Pd documentation. If not, I want to start to do it. I asked to Miller and he has no problem with that. And of course, if someone wants to help me is welcome. :) Thanks in advance. Best regards, Natanael Olaiz.

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Re: [PD] pduino and FSRs
by Hans-Christoph Steiner 10 Apr '08

10 Apr '08

What baud are you running each at? IIRC, the XBee needs a strange value. .hc On Apr 10, 2008, at 5:52 PM, nick burge wrote: > I wish I knew. I'm loading the arduino-test patch with no other > objects or abstractions so as to eliminate other suspects. Still PD > crashes when I enable more than 2 analogIns. > Would it help to speed up or slow down the xbee connection? > > From: Hans-Christoph Steiner [mailto:hans@eds.org] > Sent: 10 April 2008 23:12 > To: nick burge > Cc: Pd List > Subject: Re: [PD] pduino and FSRs > > > The code and the electrics are quite separate. If the electrics > work with one firmware, then they'll work with another. The > question is, what is the "it" that grinds to a halt. > > .hc > > On Apr 10, 2008, at 4:17 PM, nick burge wrote: >> Yes, I've got the latest version....maybe a silly question...but >> could it be that Pduino is optimised for sensors working on a >> supply of 5v. because the phidget voltage dividers i've got my >> FSRs attached to come with a potentiometer that alters the >> resistance of the circuit...with pduino i can only activate 2 at a >> time before it all grinds to a halt...on arduino2PD i can activate >> all six without any problem. Strange. >> Nick. >> >> From: Hans-Christoph Steiner [mailto:hans@eds.org] >> Sent: 10 April 2008 21:51 >> To: nick burge >> Cc: Pd List >> Subject: Re: [PD] pduino and FSRs >> >> >> I've never run on Vista before, so I can't say much about that. I >> have run on Debian, Ubuntu, and Mac OS X. It shouldn't matter what >> is generating the data on the arduino, the messages coming to Pd >> via the serial port should be all the same. >> >> Are you using the latest version: >> http://at.or.at/hans/pd/Pduino-0.3.1.zip >> >> .hc >> >> On Apr 10, 2008, at 12:57 PM, nick burge wrote: >>> Hello Hans-Christoph, I am using PD 0.39.3 extended. on a windows >>> vista system. Its PD that crashes, or "stops working" as Vista so >>> nicely puts it, when I connect the FSRs. >>> I have arduino connecting via wireless xbees at 19200 baud. >>> I also use an infra red distance sensor that gives no problem. >>> I've been routing the data from the FSRs through the autoscale >>> object. >>> Maybe I should find a way to reduce the amount of data being >>> sampled...every 40ms for example? How would I do that? >>> Nick. >>> From: Hans-Christoph Steiner [mailto:hans@eds.org] >>> Sent: 10 April 2008 17:25 >>> To: nick burge >>> Cc: Pd List >>> Subject: Re: [PD] pduino and FSRs >>> >>> >>> Which program crashes? Which version are you using? You will get >>> a lot of data, from 6 sensors, Pduino/Firmata will read them all >>> every 20ms. I have never seen a crash using [arduino], except >>> when I unplug the arduino when Pd is connected to it, so I >>> suspect the problem lies elsewhere. >>> >>> .hc >>> >>> On Apr 10, 2008, at 11:16 AM, nick burge wrote: >>>> I have a little problem using Pduino and some force sensing >>>> resistors that I am using in conjunction with phidget voltage >>>> dividers....they seem to crash the program as soon as I activate >>>> more than 1 at a time..... >>>> Should I be applying some sort of filter to the data stream? >>>> Arduino2PD seems more robust, allowing me to activate all 6 >>>> analog inputs at once. >>>> Nick Burge. >>>> _______________________________________________ >>>> PD-list(a)iem.at mailing list >>>> UNSUBSCRIBE and account-management -> http://lists.puredata.info/ >>>> listinfo/pd-list >>> >>> >>> >>> -------------------------------------------------------------------- >>> -------- >>> >>> Looking at things from a more basic level, you can come up with a >>> more direct solution... It may sound small in theory, but it in >>> practice, it can change entire economies. - Amy Smith >>> >>> >> >> >> >> --------------------------------------------------------------------- >> ------- >> >> There is no way to peace, peace is the way. -A.J. Muste >> >> > > > > ---------------------------------------------------------------------- > ------ > > There is no way to peace, peace is the way. -A.J. Muste > > ------------------------------------------------------------------------ ---- Mistrust authority - promote decentralization. - the hacker ethic

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pduino and FSRs
by nick burge 10 Apr '08

10 Apr '08

I have a little problem using Pduino and some force sensing resistors that I am using in conjunction with phidget voltage dividers....they seem to crash the program as soon as I activate more than 1 at a time..... Should I be applying some sort of filter to the data stream? Arduino2PD seems more robust, allowing me to activate all 6 analog inputs at once. Nick Burge.

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GEM does not open window
by Birgit Gasteiger 10 Apr '08

10 Apr '08

Hello! I am just starting with Gem and as I tried to create a window with the object pd gemwin in one of the basic example files of the help browser, I got the error: Xlib: extension "GLX" missing on display ":0.0". I am using the nvidia driver on kubuntu 7.1. Has anybody an idea how to solve this? Thank you, Birgit

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Reverse video in the PD editor?
by Ken Restivo 10 Apr '08

10 Apr '08

I've been starting to use PD for some music production work. It's going very well so far. I have a very simple and dumb question: is there any way to get the PD windows to be in reverse video? My eyes are killing me. I've got all my other apps set to grey text on a black background to save my eyesight. It'd be great if there were some hack I could use to get PD windows to be in reverse video too. My understanding is that PD uses TK, so there must be some way to do this. Unfortunately, I don't know TK well enough to know how to do this. Looking in PD docs I didn't find any mention of reversing the video in PD windows. Thanks! -ken

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A slightly more substantial question
by Ken Restivo 10 Apr '08

10 Apr '08

I'm trying to create a PD application that'll be sync'ed to jack transport as a sort of master clock. I found the jack_transport object, loaded it, and it runs. If I bang it regularly with a metro, I can see the current sample in jack transport. So far so good. My question is about what'd be the most efficient/effective way to sync up a tabplay~ or tabread4~ object to the sample clock in jack transport. So far I've considered the following approaches: 1) Bang jack_transport with the output of a sig~ or phasor~ object, getting the clock from jack, and use that to hit tabread4~ (I don't know how I'd do this with tabplay~ though, and performance is an issue so if tabplay~ is cheaper I want to use it). 2) Bang jack_transport with the output of a metro every n milliseconds, and calculate what sample I'm supposed to be at in the tabread4~ or tabplay~ object, and just "re-sync" periodically if they drift. If they aren't ever going to drift (i.e. if PD's internal sample clock is sync'ed to JACK), then perhaps this "resyncing" will only happen at the start of playing, or perhaps I only need to do it then. 3) Or, maybe, let's say if I have a loop, I just need to bang the tabplay~ whenever the sample clock in jack_transport divided the number of samples in the loop is modulo 0. That'd be simplest and probably cheapest, but I don't know if the clocks will drift. Will they? I dunno. I'm asking you guys when probably I should be asking the software instead, by just trying it out and determining empirically what works. But before I get too deep into it I'd like to get a second opinion on whether any of the above approaches will work or if there's some other technique I should be looking at. For some reason I suspect that this'll go really easily, but I want to make sure I'm not overlooking anything important. Thanks. -ken

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Ambisonics for Immersive Environment
by j milo taylor 10 Apr '08

10 Apr '08

Hi, I am bit of a newbie and I'm intending to development an immersive audio-visual environment based on a mysql / xml database of sound artists. I would like to explore PD as the means of presenting data in a spatialised installation context, and ambisonics would add a lot to the experience. The options available in PD are, as I understand IEM bin_ambi <http://iem.at/Members/noisternig/bin_ambi> CUBEmixer <http://puredata.info/Members/ritsch/News/cubemixer> Ambilib <http://music.york.ac.uk/mrc/download.php> ambipan~, ambicube~ and vbapan~ <http://cicm.mshparisnord.org/dl/ambipan.htm> Does anyone have any recommedations for this? My app is, at present based in X3D, and the position of sound sources are expressed as, for example position='-3.20022 -.78022 17.05038', how complex would it be to send this spatialisation data to PD, and use to PD as the audio engine for app for further real-time manipulation? best regards milo p.s. at present i'm on a xp box.

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PD extended for Ubuntu gutsy : dependencies?
by Oli44 09 Apr '08

09 Apr '08

hello, I just proceeded to the install of Pd version 0.3-extended-20080402 on a friend's brand new ubuntu gutsy i386 install I had to install manually for Gem to load libmpeg1 libmpeg3-1 libaviplay libavifile-0.7c2 libmagick++9c2a For PDP to load libgsl0 for pidip: libimlib2 Shouldnt they be treated as dependencies by apt and automagically installed? it would then be all fine, as far as i understand the package system. Bye, O.

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problems with pdj
by marius schebella 09 Apr '08

09 Apr '08

hi, I am still a newbie to pdj, so maybe this is a known thing. I have a code that runs on max, and when I try to load it in pd I get this error: pdj: java.lang.IllegalArgumentException: wrong number of arguments pdj: at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) pdj: at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) pdj: at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) pdj: at java.lang.reflect.Constructor.newInstance(Constructor.java:494) pdj: at com.cycling74.max.MaxObject.registerObject(MaxObject.java:866) pdj rmiClient.RmiClient is this related to a problem in the code? (as I said, the code doesnot throw an error with max) Or is it a problem of pdj? the class file is in a folder rmiClient/RmiClient.class. is this what cuases the problem? how can I fix it? marius.

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Re: [PD] PIR sensors
by Martin Peach 09 Apr '08

09 Apr '08

Here's a circuit that I used to amplify the PIR sensor. Martin >From: "Ben Carney" <bfcarney(a)gmail.com> >To: "Martin Peach" <martin.peach(a)sympatico.ca>, jaime.oliver2(a)gmail.com, >pd-list(a)iem.at >Subject: Re: [PD] PIR sensors >Date: Wed, 9 Apr 2008 10:46:42 -0500 > >Not that i know much about sensors or electronics, but i believe this would >be a bit harder to implement, the modules that come out of home lights >have >a set of resistors and other small bit built into a small circuit. >that is a really good price, however! > >On Wed, Apr 9, 2008 at 10:38 AM, Martin Peach <martin.peach(a)sympatico.ca> >wrote: > > > You can also get the sensor on its own here: > > http://www.electronics123.com/s.nl/it.A/id.101/.f > > > > Martin > > > > > > > > From: "Ben Carney" <bfcarney(a)gmail.com> > > > To: jaime.oliver2(a)gmail.com, pd-list(a)iem.at > > > Subject: Re: [PD] PIR sensors > > > Date: Wed, 9 Apr 2008 10:25:00 -0500 > > > > > > > > > hello there jaime, > > > > > > I have just recently bought 15 I.R. sensors for an installaition I >am > > > working on. > > > I found two for around the $5-$6 range > > > > > > > > > > > > http://www.dealextreme.com/details.dx/sku.7330 > > > > > > http://www.dealextreme.com/details.dx/sku.10082 > > > > > > i went with the first link because it is a rabbit, of course. > > > > > > shouyld get them in a week or two. > > > > > > i know a bit about hackingt them(not too hard to do it seems) > > > > > > let me know how this project comes along as we might end up being a > > > valuable > > > resource to one another. > > > > > > -- > > > > > > Ben C. > > > > > > > > > _______________________________________________ > > > PD-list(a)iem.at mailing list > > > UNSUBSCRIBE and account-management -> > > > http://lists.puredata.info/listinfo/pd-list > > > > > > > > > > > >-- > >Ben C.

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Pd-list April 2008