Pd-list February 2011

pd-list@lists.iem.at

121 participants
193 discussions

Re: [PD] [gridflow-win32] feedback_fractal crashing
by patko 18 Feb '11

18 Feb '11

the attached patch show how it crashes if both #store has a #for with same dimensions it doesn't crash, but when dimensions are different, here come the bug ----- "Mathieu Bouchard" <matju(a)artengine.ca> a écrit : > On Thu, 17 Feb 2011, patko wrote: > > > the crash seems to come from this object: > > #X obj 80 277 #store > > here is the gdb message > > Program received signal SIGSEGV, Segmentation fault. > > 0x68738763 in probe () at > c:/MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_tree.h:462 > > 462 { return > static_cast<_Link_type>(this->_M_impl._M_header._M_parent > > gdb doesn't talk a lot, I hope it could be some help. > > STL crashes are usually caused by a bug somewhere else, that corrupts > > STL's private data, most often trees. I've seen that before, and if > you > don't have Valgrind, you're quite doomed. > > Do you know any software that could help you debug ? > > Another approach is to cut elements of the patch while making sure > that it > still crashes. Then we will know the bug to be in a smaller subset of > > GridFlow's code. > > > _______________________________________________________________________ > | Mathieu Bouchard ---- tél: +1.514.383.3801 ---- Villeray, Montréal, > QC -- Patrice Colet

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[gridflow-win32] feedback_fractal crashing
by patko 17 Feb '11

17 Feb '11

the crash seems to come from this object: #X obj 80 277 #store here is the gdb message Program received signal SIGSEGV, Segmentation fault. 0x68738763 in probe () at c:/MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_tree.h:462 462 { return static_cast<_Link_type>(this->_M_impl._M_header._M_parent gdb doesn't talk a lot, I hope it could be some help. -- Patrice Colet

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Re: [PD] GEM - edge blending and polygon smooth
by rainer _ 17 Feb '11

17 Feb '11

hi peter, great!!! please let me know when you are finished with this toolkit - and yes, probably we could talk german also :) basic softedging with alphablending was not the problem in GEM - at least i stumbeld over the polygon/imagewarping/texturing problem. as i said - i´m not that much into gl coding. i wonder why there is no such basic object like "mesh" in GEM (i know there is mesh_square and ripple) i have to say, vvvv is much more advanced in this case. cheers, rainer > Date: Thu, 17 Feb 2011 21:59:52 +0100 > From: mail(a)petervenus.de > To: jepoxy(a)hotmail.com > Subject: Re: [PD] GEM - edge blending and polygon smooth > > > Hello Rainer! > i suppose i could talk in German to you, , but > anyhow: > as cyrille mentioned, there is a thread regarding softedge of images. > in fact, i just finished a multiscreen/projector toolkit with pd, > even though vvvv seems more natural for that. > i will release this toolkit, which is basically a set of abstractions > within the next 3 to 4 days officially(still working on the documentation) > the toolkit is basically built around openGL shader, which are managing > the imagewarping. > so maybe that toolkit would be what you are looking for, so a little patience :) > peter > > > > > --------------------- > Von: "rainer _" > Gesendet: 16.02.2011 13:43:17 > An: pd-list(a)iem.at > Betreff: [PD] GEM - edge blending and polygon smooth > > > hi, > > i´m currently working on a patch for a multiscreen / multiprojector installation. I know, probably vvvv is the better choice to do this - but first i want to try it with GEM. i started with two screens, two pd instances, two gemwins framesynced over netsend/receive on one machine. for edgeblending i use pix_takealpha and a matching tif with alpha channel. > > at this point the first question appears: is there an object in GEM to adjust gamma and can elevate blacklevels ??? > > for a rudimental imagewarping i textured the whole thing on a 4-point polygon. the next problem: on excessive warping poor edges appears on texturing - i´ve tried polygon_smooth but it seems that it does not do anything...is there a more elegant way to get smooth imagewarping??? > > > thanks & best regards, > > rainer > > p.s. i´m still on GEM 0.90

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firmata.org down,Firmata for MAX/MSP needed
by hghoyer 17 Feb '11

17 Feb '11

Hi, Firmata.org -Site is currently down, has anyone Firmata for MAX-MSP or an alternative download-link? Best regards, hgh

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Re: [PD] FLOSS book Lists chapter
by Jonathan Wilkes 17 Feb '11

17 Feb '11

if { $xlets_involved > 2 } { menu_doc_open attachment_dir horiz-connections.pd } >>On Wed, 16 Feb 2011, Jonathan Wilkes wrote: >> 1 Don't have wires overlapping object boxes, object xlets, or object text* >> 2 Avoid horizontal wires >> What else is there? >What's the problem with horizontal wires ? _______________________________________________________________________ | Mathieu Bouchard ---- tél: +1.514.383.3801 ---- Villeray, Montréal, QC

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Re: [PD] [Pdmtl] patch dans patch
by Mathieu Bouchard 17 Feb '11

17 Feb '11

On Thu, 17 Feb 2011, Alexandre Quessy wrote: > It would be easier to browse if you would simply list them in a HTML file. They're also in a HTML file, when I don't forget to update it : http://gridflow.ca/gallery/ But when I post, it's about the additions to that folder, and then I post individual links. _______________________________________________________________________ | Mathieu Bouchard ---- tél: +1.514.383.3801 ---- Villeray, Montréal, QC

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Re: [PD] libpd on iOS and the term "externals"
by Peter Kirn 17 Feb '11

17 Feb '11

> From: Frank Barknecht <fbar(a)footils.org> > IIRC the latest version of the RjDj app is not yet using libpd, but for the > "Inception" movie tie-in app, which uses Pd/RjDj inside as well, the team has > already made the switch to libpd, which is planned for future RjDj apps as > well. Martin actually even expressed publicly (at Android Only in Stockholm, where we all spoke in September) Rj's support for libpd going forward. Furthermore, folks, what's important here is that you can check out exactly that libpd implementation - as being used by RjDj - complete with the Rj scene player from the libpd repository. http://gitorious.org/pdlib Read the instructions, as you need to check out both the core libraries and the iOS implementation. If you're not an Xcode user but just want to see what's happening, the code is very readable. And there's loads of discussion on specifically how to use that library here: http://noisepages.com/groups/pd-everywhere I'd say general questions about libpd make sense on this list, but the other advantage there is that for more specific usage instructions, you can ask there without cluttering pd-list. You'll also see we have some explanation of how to work with externals on Android. Anyway, I'd stress that in no way is the distinction between externals and abstractions related to ZenGarden *or* libpd. It's what Miller said earlier -- externals are classes defined in a dynamically linked object module (most often in C, possibly in Java, etc.), whereas abstractions are patches invoked by name in object boxes. And since you do have to compile externals, and because they by definition extend the language, I'd say from a workflow, teaching, documentation perspective, it's also critical to have the distinction, and to make use of vanilla objects wherever you can. Peter --- PETER KIRN | http://createdigitalmusic.com

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moses Object in Pd --> and in MAX ?
by hghoyer 17 Feb '11

17 Feb '11

Hi, i´m Benchmarking Pure Data & Max... So, in PD there ist the [moses] object... lokk at the picture... Is there a similar Objekt in MAX? Best regards, hgh

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libpd and externals using python.
by Ricardo Lameiro 17 Feb '11

17 Feb '11

Hi List. I posted this message at noisepage's pd-everywhere forum but untill now there is no answer, so I am posting it to the list, maybe someone has some idea. I want to use fiddle~, so I went to the extra folder, compiled it, (make fiddle~) then I grabbed fiddle~.pd_linux and copy it to “/usr/local/lib/python2.6/dist-packages/” (where pylibpd is). After this I tried to run the patch but fiddle isn’t working. I then opened the file pylibpd.py and noticed that there is a definition to add a search path: “”"def libpd_add_to_search_path(*args): return _pylibpd.libpd_add_to_search_path(*args) libpd_add_to_search_path = _pylibpd.libpd_add_to_search_path”"”. I added this line to my echo.py derived script: libpd_add_to_search_path(‘/usr/local/lib/python2.6/dist-packages/’), and still doesn’t work. What is that i am making wrong? Anyone has some insight: python script pasted in. http://pastebin.ubuntu.com/566725/ Patch attached. thanks for any help Ricardo Lameiro -- Fagote / Contrafagote Bassoon / Contra-bassoon http://myspace.com/ricardolameiro

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Re: [PD] gridflow 9.13 for windows?
by patko 17 Feb '11

17 Feb '11

Hello MiS, I'm actually sharing this archive, with a binary compiled in november, and will make another one in a few days: http://megalego.free.fr/pd/gridflow/ This should be gridflow 9.12, I didn't heard about a 9.13 version, also HC told me to put the link on puredata.info but I don't understand how this plone site is working, I can't post anything without getting errors. This binary should work on XP even if this has been compiled on a Vista machine, but only with pd-extended because there is something actually clashing with vanilla version, that has been recently resolved from what I've understood. Actually I'm trying to resolve an ASIO issue on pd-extended/Vista if someone else could flag this, that would be great. ----- "Michal Seta" <mis(a)artengine.ca> a écrit : > Hi Patko, > > Would you mind sharing somehow a binary build of a recent gridflow > version? I am guessing it could probably even be sent as attachment. > I run WinXP service pack 3 on an Intel CPU for this particular > exercise, I don't know if that matters. > > Thanks! > > ./MiS -- Patrice Colet

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Pd-list February 2011