Pd-list April 2002

pd-list@lists.iem.at

115 participants
275 discussions

GEM questions
by Dupras, Martin 18 Apr '02

18 Apr '02

Hi, I am still getting to grips with GEM (which I find extremely cool and inspiring) and I have a few questions, that I didn't seem to be able to find answers to from the documentation. 1) am I correct in undestanding that the behaviour of, for instance, the pixDataSimple example patch, where a new object is created on every bang to the gemhead, is made possible by 'buffer 1' sent to gemwin? If so, how does one combine say pixDataSimple and RedSquare in the same gemwin? Or is it not possible? 2) is it ppossible to move the position of the camera (or viewpoint) rather than move all objects to change the viewpoint? 3) I couldn't find many patches (example or tutorial or otherwise) out there, other than the examples in the documentation. Short of any lead to examples/tutorial, does anyone have any good recommendation on sources that would help me understanding gem concepts such as in question number 1? Thanks! - martin

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framestein over net
by electrobass＠gmx.net 18 Apr '02

18 Apr '02

hi there! i wrote a simple videoplay/mixer patch on one machine for framestein (with two monitors) and everything works fine. avi`s are coded in ligos 5.11 with 1 keyframe per frame in 640x480. the problem is now: if i run pd on a second machine connected through a 100mbit network, the videoplayback seems a little bit slower and is sometimes stuttering. does anyone know a solution for this? thanks in advance micha -- =============================================== michael thies kohlrauschstr. 9 30161 hannover micha(a)multiburst.org fon@home: 0511-3384859 & work: 0511-30245-668 mobile: 0171-7253164 "am here to inform these modern times of the grammatical era's end and the beginning of flamboyance especially in cinema." =============================================== GMX - Die Kommunikationsplattform im Internet. http://www.gmx.net

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GEM questions
by martin 18 Apr '02

18 Apr '02

I am only just starting to get to grips with GEM, which is getting really cool (thanks IOhannes.) I've got a few naive questions which I do not seem to find answers to in the documentation. First of all, in the examples, in 04.pix/10.PixDataSimple.pd, one can draw several instance of the same geo over and over; am I correct in understanding that this is made possible by using 'buffer 1'? If so, is it possible to combine the two sorts of behvaiours in one gem windows (e.g. have something like 10.PixDataSimple in the background and something like RedSquare.pd in the foreground? Second, is it possible to move the camera (or point of view), as opposed to having to move all objects to fake camera motion? Last, there do not seem to be many examples of gem patches out there, other than the gem documentation examples. Unless someone has any good lead to example patches, what are good recommendations for understanding such things as in my first question? Thanks a lot! - martin

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state object and other ggee
by sme 18 Apr '02

18 Apr '02

hi my (old) ggee-dlls donÅ½t work with the new releases of pd. are there some windows-binaries for download somewhere? marius.

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GEM Geos line width
by rat＠telecoma.net 18 Apr '02

18 Apr '02

hi, according to the post from iohannes from mar 18 2002, i tried to increase the line width of a square. according to ioh. i did __________________ |draw line width 5( ------------------ nothing happens, also no error there is also the res message in the curve where nothing happens when it is used, what should it do ? thx erich

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gem-0.87
by Ulrich Kehrer 18 Apr '02

18 Apr '02

hi, when trying to build gem make stops with: /usr/bin/ld: cannot find -lparticle collect2: ld returned 1 exit status make: *** [Gem.pd_linux] Error 1 i noticed that the configure script is checking for liborb and libparticle in ../../../gem-0.84/src/AuxLibs/ but shouldn't it try ../../../GemLibs now (like it does for glm)? anyway, after creating gem-0.84/src/AuxLibs/ and putting liborb/ and particle/ there it compiled fine. regards, ulrich

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dynamic send revisited
by Bryan Jurish 18 Apr '02

18 Apr '02

greetings all, i've burst in on a conversation or two already on this list, but this is my first more or less well-considered posting -- i have two questions, at the moment, which hopefully someone on this list can help me with: 1) is there any way to get a (dynamic) message evaluated as if it were preceded by a ";", i.e. sent to the "receive" object named by its initial element? i'm trying to use "textfile" to produce better human-readable and less network-intensive preset files than the ones i get using the "state" object (which is itself incredibly handy, just not what i want right now...) 2) is there a way to use the 'pd-NAME' quasi-"send" selector to get pd instructions evaluated with respect to the current window (canvas?) without including the literal window title (canvas name?) in the message? are the 'pd-NAME' messages documented anywhere? apologies if these questions have been dealt with before on this list -- i've looked through my own archives and found several related discussions, but the links named (i recall 'test.pilot.fm') don't seem to resolve any more... aside from all of the above, pd is wonderful: major kudos to Miller and all writers of externals and providers of patches: i was actually able to port my favorite algorithmic improvisation toy from cm in a single day... whee-hee! marmosets, Bryan

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MacOS X
by Michael A. Thompson 17 Apr '02

17 Apr '02

Hello, I must say, even with the latency issue, pd on MacOS X seems to run quite nice. The fft based stuff runs without dropouts even when interacting with the gui and running other apps. Has anybody been able to save patches? I get HandleInitialDir bad directory "/Users/mthomp" Errors... Its my home directory and I do have write access. This happens no matter what directory I use. BTW - I have made some changes to the tk interface so that it looks and works more like a Mac application. The menu bar is in the traditional place on the Mac (i.e. the global menu bar. Menu bar contents change depending on which window is currently in focus etc...) and most of the command key modifiers work with the command key on the Mac keybaord. The changes do not seem to break the unix X Windows versions at all either. Anybody wants the changes email me... Maybe I can send them to be included into the source... What is the process for source code changes for pd? Thanks, Michael

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Re: [PD] Gem and QT streaming
by Marc Lavallée 17 Apr '02

17 Apr '02

Ben Bogart wrote: > I was wondering if anyone was working on a bridge between QT > streamning server (under linux) and GEM? So that one could > streamout the GEM output without having it go out through video > first... There's instructions in openGL to send the GL output to a bitmap buffer, but at the expense of a considerable overhead. I think the best approach is still to connect the vga output to a scan converter, in order to digitize video in realtime for streaming. -- Marc

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Call for Unified Libraries
by mark 17 Apr '02

17 Apr '02

Hi, I have just rebuilt my laptop and the biggest problem with PD is gathering together all of the externals and documentation. It occurs to me that unified libraries would be the answer - probably hosted on sourceforge and gathering together as many externals as possible. I guess there would have to be a number: non~tilde (nt) cross platform tilde (t) cross platform nt - linux only t - linux only nt - win only t - win only How does this strike people? Would all you external writers contribute? cheers mark

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Pd-list April 2002