Pd-list October 2002

pd-list@lists.iem.at

78 participants
83 discussions

gluiph update - double performance - cvs newbie question
by Sukandar Kartadinata 12 Oct '02

12 Oct '02

Hi! I finally updated the gluiph to 0.35 as well as the newest TriMedia SDK, and basically everything's still working with a few noticable improvements. One of them is the faster handling of double precision floats, however it's still a software emulation and thus to be avoided. So of course I stick with my fractional phase implementation of osc~ and friends. Now, the disturbing thing was that I only learned today that floating point constants are treated as doubles unless they're suffixed with an F. For some reason I'd always thought that it's the other way around (i.e. doubles have to be tagged with a D), but the TriMedia Docu as well as MSDN tell me that the implicit double is ANSI compliant. So one F added to my osc~ implementation, and boom, 7x faster for the critical code section! So far so good - but after some browsing thru the pd source it seems there's lots of places where the F is missing but surely no double precision is intended/required. I assume for PCs this only causes a small performance hit as the FP ALU does doubles in hardware so there's only the additional memory access for the extra 4 bytes (if at all). OK, so I guess I have to find all those constants by hand and hit that F key. Bad enough. The real issue though is that I probably have to do it again once 0.36 becomes available. Which brings me to my actual question: Could I check out the latest version of the CVS, make my changes (which might affect a lot of files), commit them back to the CVS, and everything's fine for future releases? Or would this create a separate branch off of the standard release? Or does Miller have to decide for every change being made if it should be rolled into the standard release? Sorry if this sounds a little dumb to the CVS pros, but this version control stuff is all rather new to me. And maybe it's actually not so much the technical questions but the social/political ones, i.e. who decides what changes are valid. Thanks, Sukandar

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escape in messages
by Johannes Taelman 12 Oct '02

12 Oct '02

Hi, Is there an escape character sequence to make special characters (',' and ';') in messages literal? I need something like +*--, |3 \ +*---+ | +*----------- | add2 $1\, ( +*----------- | +*------------ | 0, 1, 2, 3 ( +*------------ Whenever I try to type a \ in a message box, I get \: dropped \: dropped in the console output. This is on win2k, and PD 35-1. I found one (maybe) related comment in m_binbuf.c : /* add a binbuf to another one for saving. Semicolons and commas go to symbols ";", "'",; the symbol ";" goes to "\;", etc. */ Is this only for internal housekeeping? Another possibility to achieve this would be an 'add1' method, that adds the ',', just like 'add' adds a ';'. Other solutions? thanks, j#|@

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mastering
by Chris McCormick 12 Oct '02

12 Oct '02

Does anyone have any good patches they have created for doing mastering type stuff like compression and EQ balancing etc? I want to master a piece to go on a compilation CD - it was recorded live so i need to tweak it a bit. Any suggestions appreciated. Regards, Chris. _________________________________ chris(a)mccormick.cx http://www.mccormick.cx http://www.sciencegirlrecords.com

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pd webring 0.1
by d 11 Oct '02

11 Oct '02

hi list! inspired by guenter's idea i coded a simple webring for pd related sites. it would be great if pd developers and programmers would join. the "subcription" is totally open in the moment. http://pd.klingt.org/webring/info.html and let me know what you think about it... regards d13b

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Re: [PD] open patch message
by lsw 10 Oct '02

10 Oct '02

hi, here i got a patch to open another one, that works on windows. have a nice * leo

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PD 0.35 for IRIX for download
by Søren Bovbjerg 10 Oct '02

10 Oct '02

Hi I managed to compile PD-0.35 for IRIX with tcl/tk8.4 and it works with 2 limitations: You have to specify -inchannels and -outchannels, but even worse: It doesn't scan the /extra dir and/or won't recognize externals placed there. The -path option doesn't help. I am quite confused why this happens, but am probably missing the obvious. If somebody out there would help me out here I would be very happy (right now I just add the externals to the PD core, but would rather not do it taht way). Get it at http://www.cvmt.dk/~sb/ Cheers Soeren

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Re: shadow patch bug
by Joseph A. Sarlo 10 Oct '02

10 Oct '02

> hi developers! > when is use pd with josephs shadow-patch, pd looks nicer but crashes > when opening my loopool patch. > Consistency check failed: glist_findrtext > any ideas what's wrong? Are you using any externals? I know someone had some problems with the Yves Degoyon grid object. I made a patch for it that was a quick fix. I think I still have it somewhere. If you want it, let me know. Joe

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open patch message
by marius schebella 09 Oct '02

09 Oct '02

hi, in the pd-msg i found the message to open an abstraction via message: ;pd open my_patch /path/to/my_patch_directory which works fine (at least linux) is there a variable for the working directory, in which i am? leaving empty does not work. marius.

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Call for participation on a pd-survey
by Andrea Mayr 08 Oct '02

08 Oct '02

Dear members of the pd list, I'm writing to ask you to take part in an online survey which I developed as part of a larger study on different types of virtual work groups carried out by the Austrian Center of Social Innovation (ZSI) [1]. Within this project, my role is to provide a case study on open source software development. Having an artistic background myself (I graduated from the University of Applied Arts and worked with various cultural projects here in Vienna[2] and NYC [3]), a deep interest in open source software and knowing some of the Austrian list members personally, looking at the pd community was a natural choice for my case study. I hope you don't mind this. Over the last couple of weeks, I conducted a series of interviews (mostly f2f) with pd'lers to get a deeper sense of the history / practice of the pd project. In addition to this qualitative data, I would like to collect some quantitative data as well. This is were you and the survey come in. Please take a few minutes to look at it and fill it out :) Survey: http://oss.zsi.at login: pdsurvey pw: ppddpdpp The survey is designed to respect your privacy and will be open for the next ten days. After that, I will analyze the data and share it with you. I hope my results will be also of interest to you, it might provide you with some feed back on the dynamics/motivations of pd as a group that might otherwise be less accessible. I hope that will be a fair exchange for the time that I ask you to take to fill in this survey. If you have any further questions, please contact me directly. grtz. Andrea [1] http://www.zsi.at [2] http://www.femalepressure.net [3] http://bbs.thing.net

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Re: [PD] Max/MSP vs. Pd [was: shadow patch bug]
by Frank Barknecht 07 Oct '02

07 Oct '02

Hi, d hat gesagt: // d wrote: > i think it's not a realistic idea to centralize these ressources on one > page, but maybe a (more or less) complete linklist at a central location > like millers page or the iem-pd page (and in the README file of the > sources) with a good summary of all the projects spread over the net > could help. I think, actually pure-data.org is quite complete, it is at least the most complete list I know of besides the mailing list archives. It is simple to announce things to pd.org For centralization purposes I very much prefer the sourceforge CVS. At the moment, this is still in its infancy, but the main goal must be, and is(?), to make the CVS-content available as a package for end users. For that SF provides all that is necessary: Compile farms, a bug tracker, webspace. Ideally IMO every Pd developer (C/C++/patches) should check out (or better "check in" :) pd.sf.net ciao -- Frank Barknecht _ ______footils.org__

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Pd-list October 2002