Pd-list June 2007

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[GEM]: how to alpha blend gradually
by Max Neupert 16 Jun '07

16 Jun '07

hi list, how do i make a pix_film with a linear gradiation transparent (from left to right?) thank you max

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[OT] lost mails (?)
by Roman Haefeli 16 Jun '07

16 Jun '07

hello IOhannes two mails i posted yesterday didn't find there way to me back through the list yet ([1] and [2]). i checked my inbox against the list archive and it seems that these two posts are the only ones i miss. this is definitely not tragic (since i hopefully know, what i wrote), but i'd like to know, if there is a way to make sure, that the fault is on my side (i do not use spamfilters in my mailclient software and the spambox of my mailprovider is empty). [1] http://lists.puredata.info/pipermail/pd-list/2007-06/051118.html [2] http://lists.puredata.info/pipermail/pd-list/2007-06/051121.html roman ___________________________________________________________ Der frühe Vogel fängt den Wurm. Hier gelangen Sie zum neuen Yahoo! Mail: http://mail.yahoo.de

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Re: [PD] PD-list Digest, Vol 27, Issue 78
by Mathieu Bouchard 16 Jun '07

16 Jun '07

On Fri, 15 Jun 2007, patco wrote: >> On Fri, 2007-06-15 at 20:25 +0200, Patco wrote: >> i didn't find a (good) way yet to transmit binary files within pd. do >> you know of any way? > The only way I know to reload a binary file is like eni said rebooting > pd, I believe that this process would decrease external devel'n'debug > time and allow fast and clean updates. You have to distinguish between binary and binary. Originally binary was an adjective meaning "made of two parts" or "between two things" and similar things. Then it became a noun and began to refer to base 2 encoding. Then it referred to non-ASCII files, and then it referred also to machine code files (back in early UNIX, most non-ASCII files were machine code files) If you want to reload .so files, it's not impossible, pd would have to keep track of each dlopen() and match it with a dlclose() when necessary. However, that's not enough to effectively have reloadable externals: the big problem is that pd doesn't have an "unsetup" function so the external cannot take appropriate actions in shutting itself down, and many externals wouldn't take it so well if you did that to them. Even worse, pd doesn't have an opposite of class_new(), so it can't remove references to code that gets unloaded. There would also have to be a way to track down objects so that they get "unloaded" in a proper way too, before the class itself gets destroyed, else that'll be a bunch of dangling pointers too. _ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard - tél:+1.514.383.3801, Montréal QC Canada

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Re: [PD] PD-list Digest, Vol 27, Issue 78
by Mathieu Bouchard 16 Jun '07

16 Jun '07

On Fri, 15 Jun 2007, Roman wrote: > On Fri, 2007-06-15 at 20:25 +0200, Patco wrote: >> What about having a static server where we could automatically >> upload/download sounds and binary files? > i didn't find a (good) way yet to transmit binary files within pd. do > you know of any way? Binary files in netsend have to be transmitted as either floats or symbols. As floats, the theoretical limit for decimals in ASCII is only 41.5% efficient, that is, a file of 41500 bytes will be expanded to 100000 bytes. However, because of limits on number of digits per number, and supposing we avoid using the dot, then we can only use numbers from -999999 to 999999, and there has to be spaces. If one character out of 7 has to be a space, the efficiency drops to 35.6%. As hex, you'd have 50.0% efficiency, but because you have to represent this with symbols, you have to put spaces somewhere, else that's a big honking memory leak. If you use 256 symbols you have 33.3% efficiency. If you use 4096 symbols you have 37.5% efficiency. But if you have 4096 symbols in base64 (such as MIME) then you have 50% efficiency. So far, the easiest other ways that I can think of would be: * use HTTP (or FTP or SFTP or RSYNC) * use OSC and modify the [tcpsend] externals so that they can handle Martin Peach's strings/blobs (I can justify any of the above figures) _ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard - tél:+1.514.383.3801, Montréal QC Canada

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[PD-announce] [Pdmtl] pdmtl#25 (annonce) (fwd)
by Mathieu Bouchard 16 Jun '07

16 Jun '07

another user group meeting in Montréal! as seen on http://lists.artengine.ca/mailman/listinfo/pdmtl ---------- Forwarded message ---------- Date: Fri, 15 Jun 2007 13:44:31 -0400 (EDT) From: Mathieu Bouchard <matju(a)artengine.ca> To: pdmtl(a)artengine.ca Subject: [Pdmtl] pdmtl#25 (annonce) = PUREDATA MONTRÉAL #25 = '''17 juin 2007 de 13:00 à 17:00''' chez matju, 8257, rue Saint-Denis, Montréal, à côté du métro Jarry http://artengine.ca/pdmtl/matju_map.png == 1. string/blob external (by Martin Peach) == An implementation of a new type of pd atom will be presented. The string/blob type permits the manipulation of pure data as bytes. Objects to convert strings to and from floats, symbols and other data will also be discussed. == 2. TCP external (By Martin Peach) == this talk will cover four of Martin Peach's externals, namely: * [tcpclient] * [tcpserver] * [tcpsend] * [tcpreceive] == 3. pd et blender (by Julien Beauséjour) == J'offre donc de faire une d'environ 30 minutes sur: * La communication entre PureData et Blender 3D Game Engine * Inventaire des possibilités permises par cette communication * Démonstration de ma pratique artistique utilisant les technologies mentionnées et des médiums plus traditionnels, mise en parallèle avec d'autres artistes du virtuel connus. == 4. Harmonie musicale avec pd (by Alexandre Quessy) == == 5. Dynamic Patching (by Alexandre Quessy) == session de partage d'expériences avec le "dynamic patching" (création dynamique d'objets) et ce genre de choses (comme la répétition de gemchains). _ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard - tél:+1.514.383.3801, Montréal QC Canada _______________________________________________ Pdmtl mailing list Pdmtl(a)lists.artengine.ca http://lists.artengine.ca/cgi-bin/mailman/listinfo/pdmtl _______________________________________________ PD-announce mailing list PD-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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any success with wiiremote for ppc os x PD 0.40.2??
by ariel b 15 Jun '07

15 Jun '07

any success with wiiremote for ppc os x autobuild PD 0.40.2?? Ariel

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port of puredata (PDa) for the gumstix
by alejo d 15 Jun '07

15 Jun '07

-----<<crossed compiled post>>----- ---------- Forwarded message ---------- Date: Jun 12, 2007 12:08 PM Subject: Re: port of puredata (PDa) for the gumstix new version of PDa for the gumstix. Please help me test this new version that so far, in the connex 400-BT + gpstix, so far (not much yet) it produces a continous beep via the use of the oscillator ~osc included in PDa. :D http://bekstation.bek.no/immigrante/pda_port_for_the_gumstix/<http://158.37.56.3/immigrante/pda_port_for_the_gumstix/> the port was possible thanks to the help of gunter and was done using the 'make static' option like the one used for the the ipod. other ports are listed in the PDa website. more about its uses soon, /a

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datastructures+gop naive sequencer approach
by Max Neupert 15 Jun '07

15 Jun '07

hi list, while modyfying a sequencer from the list (i believe it was franks) i messed up the whole thing. 2 questions: a) why are the notes both in red now, i inteded to have each voice in a different color... b) how come they pop up somwhere else out of the canvas? thanks, max

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[pd] stereo effects
by hard off 15 Jun '07

15 Jun '07

i made a really good pd synth. it's all in mono. i need as many ideas as i can get for the final stereo section. the best one i have had so far is "boost high / cut low on the left, cut high / boost low on the right" any ideas for mono-> stereo effects.....please let me know!

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probles with 0.39.2-extended-rc2 on windows
by martin brinkmann 15 Jun '07

15 Jun '07

please apologize if this is not the right list to report problems with pd-extended. i have just tried pd extended on windows, and encountered the following problems: -iem abs vcf_hp2,4,6,8 are missing (i copied these from my linux installation) -iem_cot missing, used by vcf_hp2 and vcf_lp2 (i changed that to cot4 in the abs and it seemd to work fine). this was probably also the cause of the problems i had with a nightly build of pd extended a while ago under linux. -library path are not set by default/by the installer? -the crashes when closing complex patches seem to happen more often compared to the linux version. - sometimes pd throws a 'SIMD' message on the console. though it looks like this does not do any harm. -pdp is not included? -there is something strange with the cpu-load display. my patch which is the most heavy on the cpu, gets about 49 percent on my linux machine (dualcore athlon 3800+), but on my wintel laptop (singlecore pentium m, 1,6 ghz) it jumps between 7,9,23 percent. apart from that, all of my patches i have tried worked fine (excluding the ones relying on pdp). bis denn! martin

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Pd-list June 2007