Pd-list May 2007

pd-list@lists.iem.at

160 participants
312 discussions

proposals for src/notes.txt
by Roman Haefeli 29 May '07

29 May '07

hi all, hi miller i just had a look at src/notes.txt and many of my longterm desires are mentioned there (especially [vthreshold~], [vreadsf~], [closebang], disabling scrollbars and menus, and many other things...) but there are still things left, which i consider to be (even more) essential for pd and for which i strongly hope that they make it into src/notes.txt. here a short list, where i also try to explain, why i think, these issues are essential: - new object [symbol2list] (maybe called differently?) since the introduction of [list], pd's message and string handling became much stronger, even more since the behaviour of messageboxes changed, that made it possible to use dollargs within a string. since then, basic string handling seems to be a task, that can be done fully inside of pd, without having to use externals, BUT there is still no way to split symbols into lists. if that would be implemented into pd, one could claim without bad conscious, that basic string handling could be fully done with pure internals. so for completeness' sake, it would be nice, if such functionality would make it into pd. - [open(-msg to pd needs an option to set path relative to patch the situation now is, that the path (second argument) to the open-message is relative to the start location. since there is no way to get the start-location path in pd, i can't see, in which case this behaviour could be useful. in contrary: this behaviour makes it difficult to distribute pd-projects (set of patches), that do use the [; pd open(-message, since the pd's start location is different on each system, and even if it would be the same on every system, a user would be forced to put the pd-files to certain location, so that the hardcoded relative path is valid. if the path would be relative to the parent patch, pd-projects would work out of the box, independently from pd's start location. afaik, netpd is not the only project, that suffers from this problem. now, a (in my eyes) quite ugly workaround needs to be used: an external config-file to set absolute path of the project folder, that needs to be edited by the user. - [declare]: '-path' does affect only parent patch, not all patches i don't know, if this behaviour is intended (frank barknecht declared it to be a bug once). anyway, for projects consisting of a set of patches and abstractions, it would seem to make sense, if the [declare]d abstraction would be available to all patches, that are openend subsequently, so that such projects could be shared easily. i know, i am repeating myself, but the above things are important to me (and, i think, to pd-projects in general) and i never got an answer yet, if they are planned to be implemented in future versions of pd. i consider the ability to distribute pd-projects to be one of the strong and important points of pd (besides the compatibility across os') and therefore it would be nice, if at least the last two points could make it into pd. i'd really appreciate to get a feedback on these proposals. if i know, that [open(-message with a path relative to path never will make it into pd, i can start thinking about using a standardized set of externals ([getdir] and maybe others) in my projects to overcome these issues. roman ___________________________________________________________ Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de

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Re: [PD] any way to connect puredata and Quartcomposer?
by thor 28 May '07

28 May '07

On 28 May 2007, at 03:54, pd-list-request(a)iem.at wrote: > [PD] any way to connect puredata and Quartcomposer? Hi bernardo Just reading an archive mail so this might arrive late for you. A way to control QC from PD through OSC would be to create the QC project and load it into a SuperCollider window (SuperCollider has a QC view). You then send your OSC messages to a OSCresponderNode in SuperCollider that redirects your message to the QC view. No MIDI involved, thank the gods. Good luck thor

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(no subject)
by Zeitler Andreas 28 May '07

28 May '07

Hi I have some newbie questions about Pd. I wanted to write a Patch which is based on this one (maybe): http://puredata.hurleur.com/sujet-643-sample-player The mentioned Sample Player has 2 Sliders which control the Start-/ End-Loop position which is the exact thing what i was looking for. What i want to do: I want to make a patch, a sample player. When i press a button i want to loop the actual sample position according to the key i have pressed. I give you an example. I load a loop which is 120 BPM fast. I set somewhere my tempo. When i press "a" it starts looping 1/4th at the actual play position. For this sort of thing. The Sample Player seems to be perfect. But now there are the difficulties. - How can i set the tempo right? I figured out how to calculate the tempo for any note length. - How can i get my keyboard entries into the software? - And lust but not least. How can i get the Patch to act how i would like. I know...dumb question you know too. But maybe there is someone who knows an answer. Many, many thanks. ––––––––––––––––––– Zeitler Andreas

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subtractive synth - minimoog model
by Josh Lawrence 28 May '07

28 May '07

hello all! I was on this list some time back, but unsubscribed due to lack of time to learn pd. the time issue is a little better, so I have resubscribed in the hopes of learning this app. here's my question: I really, really want a minimoog, but can't afford one. ;) I think that building one in pd using ladspa plugins (much like alsamodularsynth) would be a perfect way to dip my toe in the shallow end of pd. however, I can't figure out what to do once I get pd opened. I can add [plugin~ name.so], but I really don't know what else to do. incidentally, I found a nice minimoog synth on the web, but one thing that I absolutely cannot stand with that and ams is the lack of ability to retrigger a held note after another one is played (I think this has been called the "trilogy trill" - make sense?). this is a must on an analog synth. can anyone point me to some tutorials or give me some help with this? -- Josh Lawrence http://www.hardbop200.com http://www.joshlawrencetrio.com

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Fwd: any way to connect puredata and Quartcomposer?
by bernardo amorim 28 May '07

28 May '07

---------- Forwarded message ---------- From: bernardo amorim <bernardo.amorim(a)gmail.com> Date: May 27, 2007 11:19 PM Subject: Re: [PD] any way to connect puredata and Quartcomposer? To: Kyle Klipowicz <kyleklip(a)gmail.com> i´m sorry but i havent found any osc patch for quartz composer... so any ideias.... please help puredata (midi to tcp/ip) sends to another computer running pd with net receive and midi out midipipes on the same computer sends midi signals to quartzcomposer... this would far more great if i could only send tcp ip signals to quartzcomposer establishing a realtime co9nnection beteween the to computers... hugs bern -- Raging_Synth Bernardo Gomes de Amorim - 2006 Confidencialidade de Correio electrónico Este email destina-se exclusivamente à(s) pessoa(s) a quem é dirigido e não deverá em caso algum ser reencaminhado ou reutilizado para nenhum fim a não ser aquele para o qual foi criado. Aplicável tambem aos attachments.

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Re: [PD] opencv motion tracker external HELP!
by nosehair911＠bellsouth.net 28 May '07

28 May '07

The Gem stuff is complex and done by people who actually know what they are doing. All I am trying to do is port parts of an already made (and very,very simple to code) library to Pd. I also have no coding experience except for this project. I have never even seen C code before 2 weeks ago, but the C code for opencv is easy enough for a noob like me to write an application that calls on those libraries. If you are interested check out my Tracker.cpp code. The difficult part (for me) is turning that code into something Pd can use. Also since it would require that you compile and install opencv I think it would be a pain for the enduser to be included inside Gem. I think most people that use Gem are not interested in a blob tracker. That is why I needed to write my own. My goal is to use the tracker output to control Geos in Gem using iemmatrix and other goodies. BTW the algorithms for pix_multiblob are way, way over my head(seriously)! Alain > > From: "Kyle Klipowicz" <kyleklip(a)gmail.com> > Date: 2007/05/27 Sun PM 10:17:02 EDT > To: "nosehair911(a)bellsouth.net" <nosehair911(a)bellsouth.net> > CC: pd-list(a)iem.at, zmoelnig(a)iem.at > Subject: Re: [PD] opencv motion tracker external HELP! > > I haven't looked at this yet, and have no external coding experience. > > However, I'm wondering if it would be an easier task to port this > library to mimic the pix_* objects in Gem? Maybe you could look at the > Gem source and figure out how to do this. Or better yet, compare the > code you have here with the pix_multiblob, and try to correct the > algorithms as was suggested earlier. > > Good luck!!! > > ~Kyle > > On 5/27/07, nosehair911(a)bellsouth.net <nosehair911(a)bellsouth.net> wrote: > > For the last 2 weeks I have been trying to write a motion tracking external using the blob motion > > tracker in opencv. I had success with writing a program that recieves a path to an avi and motion > > tracks the blobs and prints their position. Now I am writing the set of Pd externals using the same > > code with very little success. I need someone that knows what they are doing to look at my Pd code > > and show me what I am doing wrong. I have read and followed IOhannes guide on external writing. > > Also, I have looked at the zexy and pdp sorce code in order to learn but still I am not getting it to work. > > The externals are based on the already working code I was able to frankenstein together. I am > > calling it FTIR_Tools. It consist of the following (if I ever get them to work!): > > > > 1. FTIR_Cam: detects webcam and sends out frames to outlet. > > 2. FTIR_VPlayer: reads quicktimes from path and sends out frames to outlet. > > 3. FTIR_Tracker: tracks blobs, sends out "matrix blob# position" to outlet2 and frames to outlet 1. > > you can also turn on and off visuals for center point and bounding box. > > 4. FTIR_Window: displays frames in an X11 window. > > > > Please look at my code and show me how to fix it. I am getting nowhere. In the cvBloblib.zip is the > > program I put together called Tracker and the code called Tracker.cpp. If you want to see how it > > works drag it to terminal and follow it with a path to an .avi. You must have opencv and fink installed. > > If you have ploblems installing opencv post and I will be glad to help. > > Thanks, > > Alain > > > > _______________________________________________ > > PD-list(a)iem.at mailing list > > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list > > > > > > > > > -- > ----- > ------------ > ---- ----- > ---- -------- - ------ > http://perhapsidid.wordpress.com >

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Re: [PD] opencv motion tracker external HELP!
by nosehair911＠bellsouth.net 28 May '07

28 May '07

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Gem cvs compile errrr
by Ed Kelly 27 May '07

27 May '07

Hi IO and all, IÅ½m hitting an error with Gem cvs - configure: checking size of unsigned int... configure: error: cannot compute sizeof (unsigned int), 77 Is this a GCC problem? Fedora 6. Ed Lone Shark "Aviation" out now on http://www.pyramidtransmissions.com http://www.myspace.com/sharktracks --------------------------------- Yahoo! Mail is the world's favourite email. Don't settle for less, sign up for your freeaccount today.

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TCL communication between PD and Snack
by Ed Kelly 27 May '07

27 May '07

Hey list, How yu doing? I want to be able to use the Snack toolkit in PD. How easy would it be to write a wrapper for Snack (or any other TCL-based app) that works in PD? Are there any HOWTOs or info on doing so, or do I even need to make something like that? I just want to extract formants in real-time. Best, Ed Lone Shark "Aviation" out now on http://www.pyramidtransmissions.com http://www.myspace.com/sharktracks --------------------------------- Yahoo! Answers - Got a question? Someone out there knows the answer. Tryit now.

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Pd Music to create sound in an empty space
by Luke Iannini (pd) 27 May '07

27 May '07

(Sorry if this is a duplicate; the first time I sent it was when the list was apparently having some technical difficulties, hence the subject-line...) My _! The pd-list is silent, so here is some noise. http://proyekto.net/?cat=5 All songs except those in "Processor" contain percussion produced by my growing network of abstractions (called the "$#+ Suite"). It was in a very early state in the first example (channinaleote), so perhaps you can hear the patches becoming more sophisticated : ). My melodic processors are getting closer; I'll post again when there is some music that uses them (the idea for one is "real-time serial transformations"). (pre-pd compositions are at the old site of http://proyekto.net/sndrft if any are interested) Cheers, Luke

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Pd-list May 2007