Pd-list October 2006

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122 participants
199 discussions

Re: [PD] to gui or to nogui
by Patco 21 Oct '06

21 Oct '06

Ales Zemene a Ã©crit : > hi Patco, > > you could start pd as system call from within python script with -nogui > option, Yes, that's what I am planning to do for starting my pd application, it works on several different OS, perfect. > and communicate between them with xmlrpc. > i import xmlrpclib, there is nice iemxmlrpc.pd_linux object > I am actually dealing with a MinGW flext install for building this object on XP, but can't test it right now with linux. This sound interesting, I would like to run this feature on all platforms. Thank you, Patco. ___________________________________________________________________________ DÃ©couvrez une nouvelle faÃ§on d'obtenir des rÃ©ponses Ã toutes vos questions ! Demandez Ã ceux qui savent sur Yahoo! Questions/RÃ©ponses http://fr.answers.yahoo.com

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Re: [PD] Ergates game-like audiovisual instrument
by enrique franco 21 Oct '06

21 Oct '06

Hi Chris, Just downloaded Ergates from your site. Do I need to install extra libraries to get it to run on WIN-XP? I´m very interested in tying it out. Cheers, Enrique Message: 1 Date: Thu, 19 Oct 2006 04:26:30 -0400 (EDT) From: Mathieu Bouchard <matju(a)artengine.ca> Subject: Re: [PD] Ergates game-like audiovisual instrument To: Chris McCormick <chris(a)mccormick.cx> Cc: pd-list(a)iem.at Message-ID: <Pine.LNX.4.64.0610190402010.29097(a)localhost.localdomain> Content-Type: text/plain; charset="iso-8859-1" On Wed, 18 Oct 2006, Chris McCormick wrote: > Ergates is an audio visual instrument/environment I've been building in > Pd + Gem which has a game-like interface (USB dual analogue gamepad). I > hope some other people will try it out and help me make more > sub-instruments for it. > http://mccormick.cx/projects/ergates/ In the "virtual reality" musical instrument dept, there's also Mike Wozniewski's AudioTWIST, as can be seen on this formerly-unpublished photo: http://artengine.ca/pdmtl/pdmtl-22/p1220374.jpg (photo credits: Risa Hatayama) _ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard - tél:+1.514.383.3801 - http://artengine.ca/matju | Freelance Digital Arts Engineer, Montréal QC Canada -- Enrique Franco Telefono/Phone: +572 5552334 ext 388 Webpage: http://richie.idc.ul.ie/~enrique/ http://www.iua.upf.es/~ffranco/pfm.htm

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Pd im Deutschlandfunk
by Frank Barknecht 21 Oct '06

21 Oct '06

Hi, the German public radio station "Deutschlandfunk" today aired a short feature about Pd by Hubert Steins. It's available on the station's website here: http://ondemand-mp3.dradio.de/file/dradio/2006/10/16/dlf_200610161551.mp3 The mp3 file may be deleted about 3 months from now, so grab it while it's hot. It's in German of course. Ciao -- Frank Barknecht _ ______footils.org_ __goto10.org__

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pd/arduino pwm > servo motor
by tim 21 Oct '06

21 Oct '06

I have a servo motor which is to be driven by pduino / Arduino. The following firmware directly uploaded to the arduino (near bottom of page): http://itp.nyu.edu/physcomp/Labs/Servo runs well. With some modifications the motor moves between 2 positions smoothly enough. However, trying the same from pd using the pduino (fermata) firmware and the arduino help pd patch, it's quite a different story. The pulse-train needed for the PWM control of the servo motor seems too irregular (due to pd/comport timing?) such that the motor is not positioned cleanly but jumps around. (at least, that's my interpretation) I tried both sending PWM from ports 9,10 or 11 (the Amtel-built-in pwm) and generating some software pwm on other digital out ports. Is there a way to get rid of this jitter? ( last attempts were running pd 0.39.2 on ubuntu, comport from: http://wikihost/wikis/techartsound/var/gebo/data/file/comport.pd_linux ) thanks, Tim

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altering gui objects properties
by hard off 20 Oct '06

20 Oct '06

an interesting question on the forum, and something i have often wondered. is there any way to send messages to gui objects (sliders, number2..etc) to alter their 'properties'???

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patch with composed song
by Marten Rieger 20 Oct '06

20 Oct '06

hi everybody, i ask myself if anyone would be so kind to show me a finished composition. after learning the tutorials and some published patches i'm kinda confused by the many possibilities pure data offers. as in programming my way of learning is more like reading through a full and finished work instead of learning 1 tiny bit then another tiny bit. looking at a full environment with drumstepsequencer (or such), synthie, reverb unit and stuff would really boost my learning-curve. also i think that it would be a good idea to include such a 'main'-patch into the pd-installation so that people new to this great program are instantly ready to make music on their machine independent of midi & anything! you know, i'm sure there were many people installing pd but not eager enough to understand the whole program resulting in the deinstallation. for many people it is too timeconsuming to get to a result where they can make music but i think pd should be for anyone also for people who came from software like reason or fruity loops. the best opensource audio/video software should be used and be usable by EVERYBODY -- Der GMX SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu sparen! Ideal fÃ¼r Modem und ISDN: http://www.gmx.net/de/go/smartsurfer

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GEM: pix_movie and Pd-0.39.2-extended-test4.dmg
by Javier García 20 Oct '06

20 Oct '06

Hi, I have downloaded Pd-0.39.2-extended-test4.dmg and have opened pix_movie.pd. The problem is when i open a video and play it, i only can see a grey square which changes of shades, instead of the video. Anyone knows why? Javi. _________________________________________________________________ Un amor, una aventura, compaÃ±Ãa para un viaje. RegÃstrate gratis en MSN Amor & Amistad. http://match.msn.es/match/mt.cfm?pg=channel&tcid=162349

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Re: [PD] Ergates game-like audiovisual instrument
by alberto.zin＠poste.it 20 Oct '06

20 Oct '06

Hi Chris, I did some progresses ;-) 1) >The fonts are in a different directory I think. Maybe they >didn't check >out from CVS correctly or something? Can you verify that >the fonts/ >directory exists and has .ttf files in it? No, it's ok.. the fonts are there, (except arial.ttf - which you correctly assume that it is already in their place from the GEM install.) 2) > I got a lot of error messages from GEM: > >> GL: value not valid >> error: inlet: expected '' but got 'gem_state' > >That is a weird one. It sounds like something is connected >to a gem >object expecting a gemhead but getting something else. What >does it show >you if you do "find last error" from the menu? I suspected that it was my Gem.dll (the error was on pix_sig2pix~ in instrument 2). After downloading gem-0.90.1-NT-i586-bin-doc.zip from the IEM download area everything is fine with GEM now ! In any case, I still got a PD crash without the -noloadbang flag.. Best, Alberto Zin http://puredata.org/Members/AlbertoZ

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Re: PD-list Digest, Vol 19, Issue 84
by Ramirez Hugo Francisco 20 Oct '06

20 Oct '06

Dear PDpers. Do you think is possible to connect or use a C programm as a external with our beloved Pure Data?? Meaning is it possible to use for instance a [pix_video] or something else] and then use my own C program to make image processing?? Good Vibes Hugo Mensaje citado por pd-list-request(a)iem.at: > Send PD-list mailing list submissions to > pd-list(a)iem.at > > To subscribe or unsubscribe via the World Wide Web, visit > http://lists.puredata.info/listinfo/pd-list > or, via email, send a message with subject or body 'help' to > pd-list-request(a)iem.at > > You can reach the person managing the list at > pd-list-owner(a)iem.at > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of PD-list digest..." > > > Today's Topics: > > 1. Re: Ergates game-like audiovisual instrument > (alberto.zin(a)poste.it) > 2. Re: Ergates game-like audiovisual instrument (Chris McCormick) > 3. Re: Ergates game-like audiovisual instrument (Chris McCormick) > 4. Re: and it's PR/Marketing, or those (Roman Haefeli) > 5. Re: pd/arduino pwm > servo motor (info(a)timvets.net) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 20 Oct 2006 09:13:39 +0200 > From: "alberto\.zin\(a)poste\.it" <alberto.zin(a)poste.it> > Subject: Re: [PD] Ergates game-like audiovisual instrument > To: "chris" <chris(a)mccormick.cx> > Cc: pd-list <pd-list(a)iem.at> > Message-ID: <J7FAQR$516B5126F0CA5AB7CDCFBFCCD5912674(a)poste.it> > Content-Type: text/plain; charset=iso-8859-1 > > Hi Chris, > > I tried Ergates in PD 0.39-2 extended on Win XP > (still without joypad). > In order to make it working I had to: > > - get the -> last <- s-abstraction pack (I didn't > have sx/shadow..) > - on XP, like Frank said, I had to disable the loadbang > feature (otherwise PD crashes immediately). So I load the > patch by starting PD with -noloadbang > - press the messages activated by loadbang by hand (at least > the one I was able to find) > - for some reason I had to make the font arial.ttf > visible to GEM (it wasn't, maybe my setup of GEM is > not optimal...) > > At this point I can see the GEM window more or less > like in your screenshots, with the geos floating, but still > I got a lot of error messages from GEM: > > GL: value not valid > error: inlet: expected '' but got 'gem_state' > > Any hints ? > > In any case no sound. > > Hopefully this weekend I'll try to make a in-depth > look at it, also on Linux. Indeed it would be very nice if > you can get the joypad working with [hid] instead of python.. > > A question: > How do you switch between the patterns you show in > your screenshots? > > All the best, > > Alberto Zin > > http://puredata.org/Members/AlbertoZ > > > > > ------------------------------ > > Message: 2 > Date: Fri, 20 Oct 2006 16:37:48 +0800 > From: Chris McCormick <chris(a)mccormick.cx> > Subject: Re: [PD] Ergates game-like audiovisual instrument > To: Frank Barknecht <fbar(a)footils.org> > Cc: pd-list(a)iem.at > Message-ID: <20061020083747.GB18499(a)mccormick.cx> > Content-Type: text/plain; charset=us-ascii > > On Thu, Oct 19, 2006 at 03:48:12PM +0200, Frank Barknecht wrote: > > Hallo, > > Chris McCormick hat gesagt: // Chris McCormick wrote: > > > > Okay, I tried it now on my laptop, where Gem is still functional. I > > cannot get it to run properly. If I run with "-noloadbang" the patch > > opens, I can press the two loadbang'd messages, and it even seems to > > recognize basic joystick movements. But I don't get any sound. > > > > If I run with loadbang enabled, my 512MB of RAM get immediately > > filled, heavy disk activity hints at swapping going crazy, and the > > main.pd patch will not show up. What could be such a memory hog? > > Hey Frank, > > Yikes. Are there any errors in the pd console? Can you try loading it with > -noloadbang and then deleting all of the content inside the instrument > subpatches, saving, and then loading with loadbangs turned on? > > By the way, I have not tried running it under pd-0.40 - I will try that > tonight when I get home. > > Chris. > > ------------------- > chris(a)mccormick.cx > http://mccormick.cx > > > > ------------------------------ > > Message: 3 > Date: Fri, 20 Oct 2006 16:54:48 +0800 > From: Chris McCormick <chris(a)mccormick.cx> > Subject: Re: [PD] Ergates game-like audiovisual instrument > To: "alberto.zin(a)poste.it" <alberto.zin(a)poste.it> > Cc: pd-list <pd-list(a)iem.at> > Message-ID: <20061020085448.GC18499(a)mccormick.cx> > Content-Type: text/plain; charset=us-ascii > > On Fri, Oct 20, 2006 at 09:13:39AM +0200, alberto.zin(a)poste.it wrote: > > - get the -> last <- s-abstraction pack (I didn't > > have sx/shadow..) > > - on XP, like Frank said, I had to disable the loadbang > > feature (otherwise PD crashes immediately). So I load the > > patch by starting PD with -noloadbang > > Which version of Pd is this? I am going to see if I can reproduce the > crash tonight. I will also see if I can run it on a friend's Windows box > as I've never tried that. > > > - press the messages activated by loadbang by hand (at least > > the one I was able to find) > > I think you can just send Pd a message "loadbang" to emulate this > behaviour: > > [; ( > [pd-main.pd loadbang; ( > > Of course that won't send one to all loadbangs in all subpatches etc. > > > - for some reason I had to make the font arial.ttf > > visible to GEM (it wasn't, maybe my setup of GEM is > > not optimal...) > > The fonts are in a different directory I think. Maybe they didn't check > out from CVS correctly or something? Can you verify that the fonts/ > directory exists and has .ttf files in it? If they are there can you > look at the Gem help patches in Gem/05.text and see if they work ok for > you? Maybe try substituting different fonts. > > > At this point I can see the GEM window more or less > > like in your screenshots, with the geos floating, but still > > I got a lot of error messages from GEM: > > > > GL: value not valid > > error: inlet: expected '' but got 'gem_state' > > That is a weird one. It sounds like something is connected to a gem > object expecting a gemhead but getting something else. What does it show > you if you do "find last error" from the menu? > > > Any hints ? > > > > In any case no sound. > > Hmmm. I wonder if I have screwed something up in a commit of > s-abstractions. I will try doing a fresh checkout of everything using > pd-0.40 tonight. > > > Hopefully this weekend I'll try to make a in-depth > > look at it, also on Linux. Indeed it would be very nice if > > you can get the joypad working with [hid] instead of python.. > > That's my aim but I need to investigate how stable [hid] is, how easy it > is to compile and use etc. I just want to use whatever is easiest for the > user to install and the most widely distributed cross platform solution. > > > A question: > > How do you switch between the patterns you show in > > your screenshots? > > According to the instructions page you use the left and right shoulder > buttons to navigate between instruments. > > I really need to make the 'help overlay' button work. Which means for > each instrument you will be able to press that button and it will grey > out the background and bring up a line drawing of a gamepad in the > foreground with the buttons labelled with their function. From the > screenshots I think that fijuu has something like this. At the moment > it's a bit of a mystery for the user what all the buttons do in Ergates. > > Thanks for the bug report! > > Chris. > > ------------------- > chris(a)mccormick.cx > http://mccormick.cx > > > > ------------------------------ > > Message: 4 > Date: Fri, 20 Oct 2006 11:26:42 +0200 > From: Roman Haefeli <reduzierer(a)yahoo.de> > Subject: Re: [PD] and it's PR/Marketing, or those > To: Hans-Christoph Steiner <hans(a)eds.org> > Cc: Mathieu Bouchard <matju(a)artengine.ca>, pd-list(a)iem.at > Message-ID: <1161336402.5626.9.camel(a)localhost.localdomain> > Content-Type: text/plain > > On Fri, 2006-10-20 at 00:43 -0400, Hans-Christoph Steiner wrote: > > > > I think it would be good to have forums also. Many people don't want > > to subscribe to mailing lists, but they would use a web forum. If > > its easy to do, I think we should set up Plone forums and let that > > stuff just happen. > > i can't see your point here. first, why whould people want to use a > forum rather than the mailinglist, if you can access much more people > through the mailinglist? second, there is already a forum: > http://puredata.hurleur.com/ , why to set up a new one? third, as i > mentioned before, i do not endorse any separation of the community, when > it is not absolutely necessary to have two channels. > > roman > > > > > > > ___________________________________________________________ > Der frühe Vogel fängt den Wurm. Hier gelangen Sie zum neuen Yahoo! Mail: > http://mail.yahoo.de > > > > > ------------------------------ > > Message: 5 > Date: Fri, 20 Oct 2006 02:55:49 -0700 (PDT) > From: info(a)timvets.net > Subject: Re: [PD] pd/arduino pwm > servo motor > To: "Martin Peach" <martin.peach(a)sympatico.ca> > Cc: pd-list(a)iem.at > Message-ID: > <29980.217.136.100.88.1161338149.squirrel(a)webmail.timvets.net> > Content-Type: text/plain;charset=iso-8859-1 > > are there any other ways / interfaces to control a servo motor from pd ? > similar to for example: > http://www.makingthings.com/products/documentation/max_externals/t_servo.htm > > tim > > > tim wrote: > >> I have a servo motor which is to be driven by pduino / Arduino. > >> The following firmware directly uploaded to the arduino (near bottom > >> of page): > >> http://itp.nyu.edu/physcomp/Labs/Servo > >> runs well. > > There you have a timing loop running on the arduino. > >> > >> With some modifications the motor moves between 2 positions smoothly > >> enough. > >> However, trying the same from pd using the pduino (fermata) firmware > >> and the arduino help pd patch, it's quite a different story. > >> The pulse-train needed for the PWM control of the servo motor seems > >> too irregular (due to pd/comport timing?) such that the motor is not > >> positioned cleanly but jumps around. (at least, that's my > >> interpretation) > > In that case you send on/off messages from pd to the arduino telling it > > to switch pins on and off. > >> I tried both sending PWM from ports 9,10 or 11 (the Amtel-built-in > >> pwm) and generating some software pwm on other digital out ports. > > I don't think the arduino implements hardware pwm yet, so it doesn't > > matter which pin you use. > >> Is there a way to get rid of this jitter? > > The way is to implement pwm on the arduino itself. There are two ways to > > do this: software and hardware. The Servo firmware uses software to > > set/reset the pins in a timing loop. But it isn't doing anything else. > > The pduino has to do analog conversions and send data as well, so unless > > interrupts are used it would be jittery too at a finer level. > > The Atmel microcontroller itself has 3 pwm pins that can run > > independently of the software once they are set up, but I don't think > > anyone has implemented that yet. If you look at the firmata code it does > > nothing when either mode of pwm is requested. I have translated the > > firmata code to PIC16F767 and intend to implement software pwm for > > servos soon. I don't know when it's going to happen with firmata for the > > actual arduino. > > There is no way to get around the jitter in the comport because it has > > to operate in between the audio block processing time slots in pd. > > I think there need to be pduino commands to move stepper motors too, > > because there are jitter issues there as well. > > Martin > > > > > > > > > > ------------------------------ > > _______________________________________________ > PD-list mailing list > PD-list(a)iem.at > to manage your subscription (including un-subscription) see > http://lists.puredata.info/listinfo/pd-list > > > End of PD-list Digest, Vol 19, Issue 84 > *************************************** >

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Re: [PD] Ergates game-like audiovisual instrument
by alberto.zin＠poste.it 20 Oct '06

20 Oct '06

Hi Chris, I tried Ergates in PD 0.39-2 extended on Win XP (still without joypad). In order to make it working I had to: - get the -> last <- s-abstraction pack (I didn't have sx/shadow..) - on XP, like Frank said, I had to disable the loadbang feature (otherwise PD crashes immediately). So I load the patch by starting PD with -noloadbang - press the messages activated by loadbang by hand (at least the one I was able to find) - for some reason I had to make the font arial.ttf visible to GEM (it wasn't, maybe my setup of GEM is not optimal...) At this point I can see the GEM window more or less like in your screenshots, with the geos floating, but still I got a lot of error messages from GEM: GL: value not valid error: inlet: expected '' but got 'gem_state' Any hints ? In any case no sound. Hopefully this weekend I'll try to make a in-depth look at it, also on Linux. Indeed it would be very nice if you can get the joypad working with [hid] instead of python.. A question: How do you switch between the patterns you show in your screenshots? All the best, Alberto Zin http://puredata.org/Members/AlbertoZ

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Pd-list October 2006