Pd-list October 2005

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144 participants
227 discussions

Re: [PD] problems loading pix_2pdp and GEM
by Brad Kligerman 18 Oct '05

18 Oct '05

I'm just now getting around to solving my pix_2gem problem by compiling GEM from the CVS, but as previously stated, I'm having problems with GEM. 1 : error @ TextBase, that I got around with advice from IOhannes=> short: try deleting lines 159-161 in TextBase.cpp (where TextBase::TextBase() is "implemented") 2 : error @ pix_VideoNew, and to get around it, I modified the pix_VideoNew.cpp, as in the example above. 3 : I don't know how to handle this error=> text3d.cpp -o text3d.o > text2d.cpp: In member function 'virtual void text2d::render(GemState*)': > text2d.cpp:226: error: no match for 'operator&&' in > '((text2d*)this)->text2d::<anonymous>.TextBase::m_valid && > ((text2d*)this)->text2d::<anonymous>.TextBase::m_theText' > text2d.cpp:226: note: candidates are: operator&&(bool, bool) <built-in> > text2d.cpp:238: error: no matching function for call to > 'GLTTPixmapFont::getWidth(std::vector<std::string, > std::allocator<std::string> >&)' > /usr/include/gltt/GLTTPixmapFont.h:59: note: candidates are: int > GLTTPixmapFont::getWidth(const char*) > text2d.cpp:257: error: no matching function for call to > 'GLTTPixmapFont::output(int, int, std::vector<std::string, > std::allocator<std::string> >&)' > /usr/include/gltt/GLTTPixmapFont.h:56: note: candidates are: void > GLTTPixmapFont::output(int, int, const char*) > /usr/include/gltt/GLTTPixmapFont.h:57: note: void > GLTTPixmapFont::output(const char*) > text2d.cpp:263: error: no matching function for call to > 'GLTTBitmapFont::getWidth(std::vector<std::string, > std::allocator<std::string> >&)' > /usr/include/gltt/GLTTBitmapFont.h:59: note: candidates are: int > GLTTBitmapFont::getWidth(const char*) > text2d.cpp:282: error: no matching function for call to > 'GLTTBitmapFont::output(int, int, std::vector<std::string, > std::allocator<std::string> >&)' > /usr/include/gltt/GLTTBitmapFont.h:56: note: candidates are: void > GLTTBitmapFont::output(int, int, const char*) > /usr/include/gltt/GLTTBitmapFont.h:57: note: void > GLTTBitmapFont::output(const char*) > make[1]: *** [text2d.o] Error 1 > make[1]: *** Waiting for unfinished jobs.... > text3d.cpp: In member function 'virtual void text3d::render(GemState*)': > text3d.cpp:110: error: no matching function for call to > 'GLTTFont::getWidth(std::basic_string<char, std::char_traits<char>, > std::allocator<char> >&)' > /usr/include/gltt/GLTTFont.h:69: note: candidates are: int > GLTTFont::getWidth(const char*) > text3d.cpp:115: error: no matching function for call to > 'GLTTFont::output(std::basic_string<char, std::char_traits<char>, > std::allocator<char> >&)' > /usr/include/gltt/GLTTFont.h:67: note: candidates are: void > GLTTFont::output(const char*) > make[1]: *** [text3d.o] Error 1 > make: *** [subdirs] Error 255 > Just a reminder: I'm running FC4, the latest PD. Thanks for any help. ::Brad. I'm > > currently running the CCRMA version of Gem 0.90. > > it would be nice to know which reasons kept you from compiling (so i can > fix it upstream, if the problem is on the Gem side) > > mfg.ads.r > IOhannes > >

1 0

Where to find Workshop/events ?
by Alexandre Quessy 18 Oct '05

18 Oct '05

Hello dataflow lovers, I am looking for either a workshop or a meeting/performance in Europe or Central/South America. The idea is to take advantage on some financial help that our gouvernment give for cultural exchanges between Canada and either France or Americas. I would like it to be direclty related to Pure Data, and/or electronics. Installation or performances, video or audio, or lighting, etc... A workshop on Pd + sensors in France would be perfect. Brazil or an other South Amrican county would be awesome too. I know there is much going on in Germany: I could pass by there at the same time if I go to France. It should be next summer, somewhere from may 2006 to august 2006. Where would I find some info/calendars about this ? Actually, http://puredata.info/news should be a nice place to put these. In fact, I am thinking about creating a web site dedicated do these precious informations. Is there on that rocks and that is already there ? Many thanks! aalex http://www.sourcelibre.com/puredata

2 1

PD OSX installer/source 0.39 on Tiger 10.4
by derek holzer 18 Oct '05

18 Oct '05

Howdy, I just tried HC's Pd-0.39test2-extended-RC0 installer and found a couple of major performance issues when using a patch that runs fine on Linux. First was that any [send~] or [outlet~] objects after the first in a series would not function unless they were remade after the patch opened. Second was that the response time to graphical input slowed to a crawl for the entire system, not just PD. So I downloaded Miller's pd-0.39-1test1 source to compile it and see if there was a major difference between the devel branch and the straight branch in this case. I already discovered that all the .app packages on Miller's site don't run. The 0.39.0 app reports an "unknown audio API", and there is no preferences menu to switch to Jack anywhere. And the 0.39-1test1.app doesn't get past the intial tcl/tk stuff. But compiling doesn't work either. It has trouble with the Portaudio includes: /System/Library/Frameworks/ApplicationServices.framework/Frameworks/QD.framework/Headers/Video.h:294: error: 'kPowerStateSleupCanPowerOffBit' undeclared here (not in a function) ../portaudio/pa_mac_core/pa_mac_core.c: In function 'InitializeDeviceInfos': ../portaudio/pa_mac_core/pa_mac_core.c:347: warning: comparison between signed and unsigned ../portaudio/pa_mac_core/pa_mac_core.c: In function 'CopyInputData': ../portaudio/pa_mac_core/pa_mac_core.c:398: warning: comparison between signed and unsigned ../portaudio/pa_mac_core/pa_mac_core.c: In function 'CopyOutputData': ../portaudio/pa_mac_core/pa_mac_core.c:427: warning: comparison between signed and unsigned make: *** [../portaudio/pa_mac_core/pa_mac_core.o] Error 1 Incidentally, even if I do a ./configure --disable-portaudio, it still tries to build with it. At this point I'd rather compile like I'm used to than use one of the .app files. Suggestions appreciated. thx, d.

4 4

Re: beginners Fiddle~ questions
by Conor 17 Oct '05

17 Oct '05

Cheers guys, the penny dropped early this morning. Conor pd-list-request(a)iem.at wrote: >Hi Conor, > >On Mon, 2005-10-17 at 09:07 -0700, Conor wrote: > > >>Hi folks, >> >>very new to this PD malarky... so please be a little patient. >>I have ruditmentary question on the output of the fiddle~ object. I >>simply do not know on what type the pitch (left most output) is ? Is it >>in terms of MIDI(0-127), some arbitrary scale? >> >> >It is on the MIDI note 'scale', but expressed as a floating point >number, with 4 decimal places of precision. This gives you the ability >to work out microtonal deviations from pitch. > >You can verify this by doing something like: > >float in (MIDI note number) >| >mtof >| >osc~ >| >fiddle~ 2048 >| >float out > >mtof and ftom convert between frequency and MIDI. > > > >>Seems to be mapping 1 per semitone. The fiddle~ in my patch has npoints >>arguments = 2048 ( i noticed that any size smaller produces a very >>erratic response), 1 for the number of pitches to output and the last >>two arguments empty. I was using a guitar(semi-acoustic) as input. >>totally rookie question but has me stumped. >> >> >There is trade of with FFT (which fiddle uses), where a smaller window >will give you better resoultion in time but worse frequency resolution >and vice versa. Do a Google for 'fft bin', that should throw up some >theory. > >Jamie > > > > > >Message: 3 >Date: Mon, 17 Oct 2005 11:22:12 +0200 >From: Frank Barknecht <fbar(a)footils.org> >Subject: Re: [PD] beginners Fiddle~ questions >To: pd-list(a)iem.at >Message-ID: <20051017092212.GC10700(a)fliwatut.scifi> >Content-Type: text/plain; charset=us-ascii > >Hallo, >Conor hat gesagt: // Conor wrote: > > > >>very new to this PD malarky... so please be a little patient. >>I have ruditmentary question on the output of the fiddle~ object. I >>simply do not know on what type the pitch (left most output) is ? Is it >>in terms of MIDI(0-127), some arbitrary scale? >>Seems to be mapping 1 per semitone. >> >> > >Yes, it's midi-ish. You can convert to frequency using [ftom] after >the [unpack 0 0] > >Ciao > >

1 0

GEM crashes
by lorenz kirnbauer 17 Oct '05

17 Oct '05

hey there.. everytime i try to render a 3d-object with "model" in combination with a movie with "pix_movie", pd-gem crashes on my win-machine.. if i only use one of these two things, it works without problems.. is this a known bug of the windows-pd_gem - version? thanks for your help, greetings.. -- . lorenz kirnbauer . gem(a)orjo.net

2 1

constant-Q transform in PD
by Tebjan Halm 17 Oct '05

17 Oct '05

hi all, is there an object/abstraction/external to calculate the constant-q transform ? the constant q transform is basically a fourier transform, but with logarithmic frequency distribution. i found some weeks ago a paper about it, written by j. c. brown and m. s. puckette. http://www.wellesley.edu/Physics/brown/pubs/effalgV92P2698-P2701.djvu (djvu reader: http://www.djvuzone.org/download/index.html ) and as mr. puckette is the inventor of pd its likely that there is something around ... greets, tebjan

1 0

GEM/math: correctly rotating in space
by Frank Barknecht 17 Oct '05

17 Oct '05

Hallo, could someone maybe help me do something against my headache, which has its reason in the buggy patch attached (open "move-in-space.pd")? Problem: I want to move and scale a primitive like [cube] or [sphere] etc. so that both its ends fall on two given points in the 3D space. I currently use a combination of stretching with scaleXYZ, translating and rotating the [cube]. Lok in [solid-link] for details. It's very likely that I do the rotation stuff wrong, however I can't fidn the right way. Sometimes it sucks being an audio guy primarily. In just two dimensions what I want to achieve already works as can be seen in attached patch - which requires [list] btw. However as soon as the two points don't fall into the (x,y) plane anymore, that is, one of them has a differenc Z-coordinate than the other, everything falls apart. I kind of know that the order of rotations probably is wrong, that I should use some kind of matrix transformation instead, quaterions, etc. however I'm so confused now: Any help is appreciated! Ciao -- Frank Barknecht _ ______footils.org_ __goto10.org__

3 9

beginners Fiddle~ questions
by Conor 17 Oct '05

17 Oct '05

Hi folks, very new to this PD malarky... so please be a little patient. I have ruditmentary question on the output of the fiddle~ object. I simply do not know on what type the pitch (left most output) is ? Is it in terms of MIDI(0-127), some arbitrary scale? Seems to be mapping 1 per semitone. The fiddle~ in my patch has npoints arguments = 2048 ( i noticed that any size smaller produces a very erratic response), 1 for the number of pitches to output and the last two arguments empty. I was using a guitar(semi-acoustic) as input. totally rookie question but has me stumped. Conor

3 3

[Fwd: Re: [PD] numberstream, parsing]
by Matthijs van Henten 17 Oct '05

17 Oct '05

Thanks for all the suggestions. Piotr, how do you mean with sending the data in OSC directly? My main goal was to convert the number stream coming from the pic into OSC anyways :) The thing is: I get a stream of numbers. somehow I have to say: this number is parameter 1, this number is parameter 2, etc.. I found splitting the stream in pd quite cumbersome. I have to designate numbers as control chars, so I can properly route the numbers etc. - it's like rebuilding a complete terminal emulation in PD, and I havent found very convenient ways of doing such, except using a lot of trigger/spigot/retrigger etc. constructions. I haven't gotten them 100% watertight anyways. Until so far, I only had one 8 bit number that the pic could simply dump on the comport. but now I have 4 10 bit numbers. To do proper debugging I have written small routines to print all the numbers as nice ascii strings of numbers. so when doing a 'cat /dev/ttyS0' you would read something like:: 1000 890 514 997 the comport object would interpret this as a huge list of numbers: 49 48 48 48 32 etc. etc. ( this is only the first number 1000 and a space) anyways, your remark got me thinking since there's modules for python and perl to talk OSC, and reading the comport is a trivial thing to do as well ( I remember in perl I could do something like my string = 'cat /dev/ttyS0') Does anyone have a better solution? thanks for the hints already! Piotr Majdak wrote: > Matthijs van Henten wrote: > >> I built a little something on a pic, that sends data over rs232. >> This is a bit hard in pd, I haven't figured out a way to do this >> 'elegantly' > > > What about sending the data in OSC format instead developing an own > protocol? With OSC, you could use very elegantly OSCdump and OSCroute. > Furthermore, you won't have any problems converting the data to ASCII on > PIC and back to int/float in pd... > > br, Piotr > >

3 2

problems installing gridflow
by Gerda Strobl 17 Oct '05

17 Oct '05

Hi Mathieu, hi list! I am trying to install gridflow from cvs version-(using pd 38-4, debian2613)-but unfortunately I'm not able to get started. root@/home/gerda/externals/gridflow ./configure /usr/bin/env: ruby: No such file or directory root@/home/gerda/externals/gridflow whereis ruby ruby: /usr/bin/ruby1.8 /usr/lib/ruby Where to put ruby? "CPLUS_INCLUDE_PATH to indicate where to find *.h files, and you may have to set both LIBRARY_PATH and LD_LIBRARY_PATH to indicate where to find *.so or *.aor *.dylib or *.bundle or *.dll or *.lib files"..from gridflow installation guide you mean add this in your Makefil.gv? PD-PATH=/usr/lib/pd PD-SCR=/home/gerda/download/pd-0.38-4 Thank you. Gerda

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Pd-list October 2005