Pd-list March 2007

pd-list@lists.iem.at

139 participants
278 discussions

Re: [PD] "Universal" synth editor
by adam armfield 01 May '07

01 May '07

On Mon, 2007-01-29 at 14:39 -0600, Mike McGonagle wrote: > I was wondering if anyone out there knows of a set of abstractions > that have been written to use as a Synth Editor? I currently own a > Roland XV5050 and an old Yamaha TX7, and want to write an editor for > them. > I wrote a basic editor for the pd feature I wrote for sound on sound, you can adapt it fairly easily as long as you have your midi implentation guide (which cc number controls what). This one just does cc numbers, pd does support sysex as well though i think. www.soundonsound.com/sos/jul06/patches/SynthEditor.pd There are free editors for the dx7 online, my friend uses one with a TX7. Best wishes Adam ___________________________________________________________ Yahoo! Messenger - with free PC-PC calling and photo sharing. http://uk.messenger.yahoo.com

7 7

GEM GOP abstractions
by Chris McCormick 29 Apr '07

29 Apr '07

Grtz, I've been messing with GEM lately and have made a bunch of GOP abstractions to make things easier. You can find then in the tarball of my cvs which is at: http://mccormick.cx/viewcvs/s-abstractions.tar.gz?view=tar The gfx stuff is in the sx/ directory and works best if you include the parent directory (s-abstractions/) in your path. You'll need the zexy (for [repeat]) and Gem libraries. I have always found it strange how GEM seems to be kind of backwards in terms of the flow of data. In Pd you generally make a noise with e.g. [osc~] and then run it through some effects, into your [dac~] where it is output. In GEM it works the opposite way. You have to place all your color, translate, rotate, repeat, texture "effects" before you put the basic geom such as [cube], and the whole chain starts with the "output" [gemhead]. To address this I've been experimenting with a method of storing geometry in a [list] which is sent through geometry modifying "effects" to an object [sx/blob] which draws geometry represented as a list of verticies of triangles, to the screen. It's pretty crap and slow, and I'd love to know if there is already a better way of doing this. You can send arbitrary geometry from blender3d into puredata by using the script in the utils/ directory. Copy it into your .blender/scripts/ directory and go File... Export... Raw Triangles across the Net... whilst having sx/netgeom-help.pd open. You can't send very complex geometry or the whole thing starts to chug pretty badly, but I think it's a start for something better. An example of an effect on geometry is the sx/explode patch which translates all faces along their normals by some amount. This is all done as [list] math so it's hellishly slow on complex geometry. I am particularly interested to hear if there is a better, faster way of doing this [vector level geom manipulation] that I don't know about. I have been really inspired by the fijuu stuff and I would like to be able to do similar kinds of mesh warping from withing Pd and GEM. Best, Chris. ------------------- chris(a)mccormick.cx http://mccormick.cx

4 6

I created an ebuild for pd-0.40-p2
by m t 27 Apr '07

27 Apr '07

Grab it while its hot at: http://bugs.gentoo.org/show_bug.cgi?id=151843 Regards, Miron

5 18

ead~?
by pete mcpartlan 14 Apr '07

14 Apr '07

I've been reading obiwannabe's great tutorials, and he keeps using [ead~] where can i get this? Oh and I dont want to install a new version of PD, I'm in the middle of a big project and I don't want to risk some things changing. thanks, pete

11 20

apt get for abstractions
by adam armfield 04 Apr '07

04 Apr '07

following on from the ongoing debate about bundles for patches with many abstractions, I had the idea for an apt-get style system, where someone who wants a patch can enter a command & get all necessary abstractions at the same time... ___________________________________________________________ New Yahoo! Mail is the ultimate force in competitive emailing. Find out more at the Yahoo! Mail Championships. Plus: play games and win prizes. http://uk.rd.yahoo.com/evt=44106/*http://mail.yahoo.net/uk

7 12

float and symbol as abstraction arguments
by Peter Plessas 04 Apr '07

04 Apr '07

Hi all, for writing an abstraction i need a mechanism not using externals if possible, to get the content of an $1-argument inside an abstraction which can be of ANY type, i.e. float and symbol. I already tried the iem_anything, dollarg, etc. Is this possible without externals? thanks for any help! lgPP

4 5

boids2d, boids3d
by marius schebella 03 Apr '07

03 Apr '07

hi, accidentally I found two objects (boids2d and boids3d) which could be very nice tools, if only they were working. I have no idea who ported them to pd, but message input seems to be broken. Is someone working on them? (the objects simulate animal/birds and could be useful for grain synthesis or multi voice synthesis stuff) marius.

3 4

ANN: munger1~ port (from the Percolate library)
by Ivica Ico Bukvic 03 Apr '07

03 Apr '07

Hi all, For impatient, download at: http://ico.bukvic.net/Max/munger1~_1.0.0.tar.gz (270KB, includes source, Linux-Pd-i386, Mac-Max-i386, and Win32-Max-i386 binaries, and 3 cases of beer) OVERVIEW ======== munger1~ (March 12, 2007 1.0.0 release) a realtime multichannel granulator a.k.a. the swiss-army-knife of realtime granular synthesis a flext (cross-platform PD & Max/MSP) port of the munger~ object from the PeRColate library (0.9 beta5) http://www.music.columbia.edu/PeRColate/ Original PeRColate library by: Dan Trueman http://www.music.princeton.edu/~dan/ R. Luke DuBois's http://www.lukedubois.com/ Flext port and additions by: Ivica Ico Bukvic http://ico.bukvic.net Ji-Sun Kim hideaway(a)vt.edu http://www.music.vt.edu http://www.cctad.vt.edu Released under GPL license (whichever is the latest version--as of this release, version 2) For more info on the GPL license please visit: http://www.gnu.org/copyleft/gpl.html ACKNOWLEDGEMENTS ================ Many thanks to Dan Trueman for open-sourcing this great object! SOURCE INSTALL ============== If you simply intend to use prebuilt binaries, please skip to the INSTALL section. Otherwise take a big breath and read on... 1) You need stk library which can be downloaded from: http://ccrma.stanford.edu/software/stk/ 2) You need to also install latest flext library (this is a library that allows for creation of externals for both Max/MSP and PD using the same source). Version 0.4.x can obtained from the following link: http://grrrr.org/ext/flext/ Latest CVS version (0.5.1) is found in the Pure-Data CVS (this one is recommended): http://sourceforge.net/cvs/?group_id=55736 3) If you are using latest CVS version (0.5.1) Before compiling the source you will need to add the following to the top of the flext/source/flstk.h file right below the #define __FLSTK_H: #ifdef PI #undef PI #endif This step will probably become quickly obsolete once Thomas updates CVS. Until then, this is needed to be able to compile flext against stk. 4) To compile flext, read flext instructions (it boils down to running build.sh with appropriate parameters and then editing two simple config files, i.e. "build pd gcc build" or "build max gcc" or "build max msvc" etc.) Your will need to edit buildsys/config-<platform-compiler-pdormax>.txt to adjust paths to various folders. Then you will need to edit config.txt file. You do not need to include SndObj for this external but you do need stk option to be properly set. On Windows+MSVC, STK flag at the time of this release does not work, so you will have to use included testmunger1 MSVC project file and adjust path settings to compile munger1~. 5) Once stk and flext are compiled, go into munger1~ folder and type: <path to flext folder>/build.sh <platform> <compiler> <build/clean/install> NB: on Mac <build/clean/install> is not needed. On Windows, please use MSVC and open the testmunger1 project file in the root of the folder. 6) Once compiled, your binary will be created in a <maxorpd-platform> subfolder (i.e. pd-linux, or max-darwin), followed by another subfolder which reflects whether a threaded or singlethread flext was used. Inside you will find your external. INSTALL ======= You can either use the prebuilt externals (found in the bin/ folder) or ones built using the "SOURCE INSTALL" instructions above. Binaries are provided for Intel-based Macs, Win32, and Intel-based Linux OS. The included prebuilt binaries DO NOT REQUIRE you to install flext or stk as these are statically linked. 1) Copy the external in your externals folder (i.e. /usr/lib/pd/extra or C:\Program Files\Cycling '74\MaxMSP 4.6\Cycling '74\externals\, or "Applications/MaxMSP 4.6/Cycling '74/externals) 2) Copy appropriate help file (found in the help/ folder) into the help folder (i.e. /usr/lib/pd/doc/5.reference or C:\Program Files\Cycling '74\MaxMSP 4.6\max-help, or "Applications/MaxMSP 4.6/max-help) NB: Pd help file has a ".pd" extension, while Max/MSP help file has a ".help" extension. 3) Start your app (PD or Max) and create object called munger1~. Right-click (ctrl-click on Macs) and select "help" and this should open the help file with additional documentation. Questions? See OVERVIEW for contact and Q&A info. Enjoy! FAQ === The following is Ico's FAQ, so it may or may not reflect other project participants' opinions, including original author(s) of munger~, flext, etc. Q: Why porting to flext? A: Flext library (by Thomas Grill) is a layer which allows creation of externals for both Max/MSP and PD without any alterations to the code (obviously once it is adapted to use flext). While there have been a number of Max/MSP <-> PD external ports in the past, many of them have become outdated because such attempts required either maintaining one code full of ugly #ifdefs, or worse--maintaining two sources. Either way, what usually turned out to be the case is that original authors did not have the time, interest, or simply the software/hardware to deal with the newly generated overhead and/or test the code, while volunteers who made the original porting efforts eventually moved on to other projects. The result was/is outdated and/or broken externals. Flext circumvents this problem by allowing one clean code to compile on both platforms while also supplying in many cases cleaner (more legible) API and (as a whipped cream on top) object-oriented environment (C++). Q: Why bother with PD <-> Max/MSP cross-platform compatibility... ...when I use only <insert-your-favorite-application-here>? ...<insert-your-favorite-application-here> is better? A: Choice is what makes us human (this is also what makes Arts so vibrant and exciting). And while everyone's welcome to express their own preferences, we also have to realize that in this case these same preferences are also the main cause of a virtual divide which manifests itself at everyone's detriment. Wouldn't it be nicer if we could share externals transparently, or even better, open PD patches in Max and vice-versa? This would help in both the cross-pollination of ideas as well as creative efforts. This project has also taught me that creating flext-ready externals is as easy if not easier (due to the aforesaid API's legibility) than native objects (whether that be PD or Max/MSP). Finally, if all else fails, such externals are bound to reach wider audience, and are much easier to maintain if cross-platform compatibility is to be pursued. Q: If flext is so cool, why don't we see more porting efforts? A: Good question. The fact is that flext is much more widely known among PD users than it is among the Max/MSP community, so this seemingly one-way road may have contributed to the current situation. One could only hope that projects like this may help reverse this unfortunate trend. Q: So, is all really that peachy in the flext-land? A: Well, our lives teach us that nothing is truly free in this world. Flext is no exception. Its "fees," however are not tied to our checkbooks. Rather, they manifest themselves in a slightly greater CPU overhead in signal flow due to message translation. Thus, one could consider flext a "middle-person" between the <app-of-your-choice> and the external. This, however, in today's world is so negligible that during the testing phase I was unable to measure any noticeable CPU-overhead difference. Another consideration is that flext might not be complete (see KNOWN ISSUES for an example). That being said, in its current state it did the trick for a relatively complex external such as munger~ or even FFTEASE collection which had been ported several years ago. All this leads me to believe that it is more than ready for the day-to-day use. KNOWN ISSUES ============ munger1~ has been tested extensively on Linux+PD, OSX+Max/MSP and Win32+Max/MSP setups, suggesting that it should work on other setups as well. Your mileage may vary, though. Currently there is only one known issue in the wild which requires changes to flext in order to be fixed. Namely, if you use munger1~ object in conjunction with an external buffer in PD (known as an array) and if you dubiously decide to delete that particular buffer in the middle of your performance while munger1~ is still associated with it, this will [unsurprisingly] crash PD. Max/MSP currently has a check implemented against that via flext layer so Max/MSP will simply stop outputting anything until buffer is reset. The flext author is aware of this and PD fix should appear in the flext CVS hopefully soon. That being said, the lingering question is why would you want to do this in the first place... FYI, even though munger1~ allows up to 500 simultaneous grains per sample and has been compiled with all available optimizations (SSE, Altivec is supposedly available via flext but has not been tested), on MBP (Core Duo 1.83GHz) I was unable to get more than 160 simultaneous grains per sample (or ~32,000 grains/second) without dropouts, even though CPUs were not getting maxed out, so something else might be the cause of this limitation (flext?). Win32 machine (3-year old AMD64 3000+) fared marginally better at around 165 simultaneous grains per sample (or ~33,000 grains/second) before its CPU was maxed out. Linux on the same AMD64 3000+ hardware fared the best. It topped off at 47,999 grains per second at 48KHz sampling rate which for some reason the sampling rate appears to be the upper limit (i.e. if you run PD or Max/MSP at lower sampling rates, your upper limit will be restricted to the sampling rate), even though the code allows for multiple initiations of grains per cycle. This, however, is also the way original munger~ works. An interesting bit is that while on Linux/PD combo 48K grains are already reached when we get 64 simultaneous grains, on Win32/Mac even 160 simultaneous grains yield only ~32-33K grains. Could this be a flext bug? Best wishes, Ivica Ico Bukvic, D.M.A. Composition, Music Technology, CCTAD, CHCI Virginia Tech Dept. of Music - 0240 Blacksburg, VA 24061 (540) 231-1137 (540) 231-5034 (fax) ico(a)vt.edu http://www.music.vt.edu/people/faculty/bukvic/

5 11

boids2d, boids3d
by jasch 02 Apr '07

02 Apr '07

hello, i'm the one doing the port. in what way are they not working? > I'm interested in these. How do they work? > > > On Fri, 30 Mar 2007 02:00:52 -0400 > marius schebella <marius.schebella(a)gmail.com> wrote: > >> hi, >> accidentally I found two objects (boids2d and boids3d) which could be >> very nice tools, if only they were working. >> I have no idea who ported them to pd, but message input seems to be >> broken. Is someone working on them? >> (the objects simulate animal/birds and could be useful for grain >> synthesis or multi voice synthesis stuff) >> marius. >

6 7

Sigmund and Sort (Was Real-time frequency filtering and analysis)
by robbert van hulzen 02 Apr '07

02 Apr '07

a dotted line indicates that the object can't be created, i think it gets the status of a comment. you also see it in the pd window: sigmund~ ... couldn't create. [sort] is part of zexy, works for me also in 0.39.2-ext-test7. do other zexy objects get created? [sigmund~]--which looks really interesting!--works only on 0.40.2 for me-- it's in miller's 0.40.2 and in the autobuild of 18 march i'm trying out. the help-file says 'updated for 0.40' though, so i don't know its history. btw the autobuild comes with the warning stuff may not work--in my case, [moog~] for example won't be created. cheers, robbert On 3/31/07 12:00 PM, "pd-list-request(a)iem.at" <pd-list-request(a)iem.at> wrote: > I think this is a result of my lack of experience with PD, but when I > create an object and put sigmund~ in it the border stays dotted. The > same thing was happening when I tried to use sort (which I thought was > built-in, although I could be wrong).

3 3

Jump to page:

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

Pd-list March 2007