Pd-list July 2007

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148 participants
241 discussions

Fwd: circular motion of a shape using TranslateXYZ
by Richard Powell 22 Jul '07

22 Jul '07

---------- Forwarded message ---------- From: Richard Powell <richardo.lists(a)gmail.com> Date: Jul 22, 2007 3:32 PM Subject: circular motion of a shape using TranslateXYZ To: gem-dev(a)iem.at. Hi everyone, This is my first post to the list so please bear with me. I am trying to move a shape (sphere, square, cube doesn't matter to much) in a circle around a central point. The Easiest way to do this is to use Translate XYZ to move the shape for example 1 unit X,Y or Z and then use rotateXYZ to rotate it. Simple, except I would like to keep the shape always pointing up, so that the texture that will be applied to the shape will always be the correct way up. For this I have decided to use just TranslateXYZ. I have attached how far I have got with this so far. As you can see the shape moves as in a square motion rather than a circular motion. I am guessing I need to apply some maths to the numbers between the line object and the Translate XYZ object, but everything I've tried hasn't worked. Thanks in advance Richard

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OT: help needed setting up Hammerfall, ALSA and JACK on debian
by Martin Dupras 22 Jul '07

22 Jul '07

Hi, Sorry for the off-topic post. I have a recent Debian install on my laptop and am having a hell of a hard time getting my hammerfall HDSP to work with ALSA and jack. I found several pages on the web with conflicting information about how to set it up. I would really appreciate if someone can point me in the direction of up to date and correct how-tos or advice on how to set it up. Many thanks, - martin

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signal weighted median filtering
by Charles Henry 22 Jul '07

22 Jul '07

Hi, list, I've created an abstraction for performing weighted median filtering on a signal using 5 coefficients. It's a real cpu hog. It uses heavily the expr, expr~ and fexpr~ externals, which leads to some redundant calculations on each sample. The test patch enclosed shows how effective this can be for removing impulsive noises from a signal (like the pops on a record). Chuck

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wishlist gemwin
by wolfgang schwarzenbrunner 21 Jul '07

21 Jul '07

as gemwin features things like stereoscopic display alternatives i was wondering if it might be easy to implement something that distorts the complete gemwin output in a polar coordinate system (for projecting in domes and planetariums). it might be not too hard to build something like that using snap2tex a sphere and some adjustments in the texture coordinates. but somehow i sense a strong smell that openGL might feature such things "directly" two examples what i mean by "polar coordinte system" are attached best wolgang

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MTC data from ardour to pd
by rob canning 21 Jul '07

21 Jul '07

hi, can anyone tell me how to get MTC info from ardour into pd. i have connected midi out from ardour to pd (using jack) and am getting some data in [midiin] but i'm not sure what it is - it looks pretty random... i would like to be able to synchronise my multichannel tape part in ardour with live electronics processing in pd. thanks, rob c

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Error compiling gridflow OS X Darwin PowerCP
by Owen Cannon 21 Jul '07

21 Jul '07

Wouldverymuch like gridflow to run under Pd-ExtendedRC4, do these errors seem specific to my OS? owenco:~/src/gridflow owen$ make ruby -w base/source_filter.rb base/grid.h base/grid.h.fcs ruby -w base/source_filter.rb base/grid.c base/grid.c.fcs g++ -fno-common -g -O2 -fno-common -pipe -fno-common -I/Applications/ Pd.app/Contents/Resources/include -I/sw/include -I/usr/local/include - I/include -xc++ -fno-operator-names -fno-omit-frame-pointer -I/usr/ X11R6/include -I /sw/lib/ruby/1.8/powerpc-darwin -falign-functions=4 -Wall -Wno-unused -O3 -funroll-loops -fno-omit-frame-pointer - g -fPIC -I. -I/Users/owen/src/gridflow -I -I. -I/sw/include -c base/grid.c.fcs -o base/grid.o base/grid.h.fcs:426: error: explicit qualification in declaration of `void* operator new(size_t)' base/grid.h.fcs:427: error: explicit qualification in declaration of `void* operator new [](size_t)' base/grid.h.fcs:428: error: explicit qualification in declaration of `void operator delete(void*)' base/grid.h.fcs:429: error: explicit qualification in declaration of `void operator delete [](void*)' base/grid.h.fcs: In function 'void COPY(Pt<T>, Pt<T>, int)': base/grid.h.fcs:445: error: there are no arguments to 'gfmemcopy' that depend on a template parameter, so a declaration of 'gfmemcopy' must be available base/grid.h.fcs:445: error: (if you use '-fpermissive', G++ will accept your code, but allowing the use of an undeclared name is deprecated) make: *** [base/grid.o] Error 1 best Owen Cannon

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Re: [PD] HID for PD on windows?
by Marko Timlin 21 Jul '07

21 Jul '07

Yes, I am also working with pd under windows xp and I had exactly the same question. is there any hope the [hid] will ever work under windows???? or is there any other alternative for us poor windows users??? let´s joystick around...if possible... Best, m. Hi all, I'm trying to get a game-controller (and eventually also the Wii-controller) up and running on pure data which I am currently running on windows. As I understand it the best object at the moment to tap into the datastreams produced by game controllers etc. is the HID-object build by Hans-Christoph Steiner. It isn't provided with the latest beta version of PD extended and I'm also beginning to believe that it doesn't even run on windows at all - is the right or wrong? If there is a windows-version of this/these objects could someone please point me to them? Cheers! Thomas _______________________________________________ PD-list(a)iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list

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Multiple Webcams
by David Divilly 20 Jul '07

20 Jul '07

Hi guys was wondering if anyone knows how to select different webcams in PD .. everytime I start my patch it defaults to the built-in iSight in my Mac .. but I have a Logitech USB camera connected also and this is the one I want to use with my patch .. I tried sending the [driver 0] message to the Gemwin object and changing this number to see if it would change the video stream but am having no luck with this .. am I missing some other message or object to get this to work ... Regards Dave.

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Re: [PD] How do you find exposure from pixel or video?
by bruno tarin 20 Jul '07

20 Jul '07

So i can use the pix_video object? I have tried and nothing happens when the driver is in 0 but when i switch to 1 pd tells me that driverID (1) must not exceed 1driverID (1) must not exceed 1 so i have tried to switch to ieee1394 then error: Bad arguments for message 'driver' to object 'pix_videoNEW' ... you might be able to track this down from the Find menu. Do you know how can i capture from the ieee1394? Thanx 2007/7/20, Yves Degoyon <ydegoyon(a)free.fr>: > > err, there's no pdp_ieee1394 on linux, > it only exists for OSX > you have to use Gem > > sevy > > > bruno tarin wrote: > > i'm having a problem to switch the driver of the pix_video to ieee1394 i > have tried to change to 1 but i really don't what can i do more, i triyng to > capture a dv cam from the firewire i have tried the pdp_ieee1394 but i see > this > pdp_ieee1394 > ... couldn't create > i'm using ubuntu feisty > Thanks everyone > > > 2007/7/13, Max Neupert <abonnements(a)revolwear.com >: > > > > with helpfile i mean: > > > > 1. make the object, > > 2. rightclick for the context menue > > 3. choose help > > > > those files should explain how to use the objects. > > they are patches themselves so you can play around, modify, or just > > copy parts of them. > > > > hope this gets you started. > > > > Am 13.07.2007 um 11:32 schrieb Henry Lin: > > > > > Hello Max > > > iam wondering which section under help file? > > > > > > thank you so much for ur help > > > > > > > > > From: Max Neupert < abonnements(a)revolwear.com> > > > To: Henry Lin <henry_wj_l1(a)hotmail.com> > > > CC: pd-list(a)iem.at > > > Subject: Re: [PD] How do you find exposure from pixel or video? > > > Date: Fri, 13 Jul 2007 11:23:54 -0400 > > > > > > to get the brightness of a live video feed you could use > > > [pix_video] and [pix_data] from Gem for example. > > > look into the helpfiles > > > > > > > > > > > > Am 12.07.2007 um 14:53 schrieb Henry Lin: > > > > > > hello > > > what i mean is we need to use the cam recorder to capture the > > > lighting and send out a number... which mean that a 100% of brightest > > > > > > thanks > > > > > > > > > From: Hans-Christoph Steiner <hans(a)eds.org> > > > To: Henry Lin <henry_wj_l1(a)hotmail.com > > > > CC: pd-list(a)iem.at > > > Subject: Re: [PD] How do you find exposure from pixel or video? > > > Date: Thu, 12 Jul 2007 09:31:29 -0400 > > > > > > > > > Welcome! > > > > > > I am not sure I know what you mean by "finding exposure from pixel > > > or video", do you mean getting images from a video camera? For > > > that you can use pix_video, pdp_v4l, or pdp_ieee1394. > > > > > > .hc > > > > > > On Jul 11, 2007, at 9:34 PM, Henry Lin wrote: > > > > > > Hello > > > Iam new to puredata , i need help in finding exposure from > > > pixel or video > > > > > > thank you everyone =) > > > > > > > > > > > > Click here to get a free Canada Day MeeGo. > > > _______________________________________________ > > > PD-list(a)iem.at mailing list > > > UNSUBSCRIBE and account-management -> http://lists.puredata.info/ > > > listinfo/pd-list > > > > > > > > > > > > ---------------------------------------------------------------------- > > > ------ > > > > > > The arc of history bends towards justice. - Dr. Martin Luther > > > King, Jr. > > > > > > > > > > > > > > > Windows Live Hotmail. Even hotter than before Get a better look now. > > > _______________________________________________ > > > PD-list(a)iem.at mailing list > > > UNSUBSCRIBE and account-management -> http://lists.puredata.info/ > > > listinfo/pd-list > > > > > > > > > > > > Windows Live Hotmail. Even hotter than before Get a better look now. > > > > > > _______________________________________________ > > PD-list(a)iem.at mailing list > > UNSUBSCRIBE and account-management -> > > http://lists.puredata.info/listinfo/pd-list > > > > > > -- > " a verdade como a arte tá nos olhos de quem vê" > Lab-171 ... Rádio Interferência > 21 86348407 > brunotarin(a)gmail.com > > ------------------------------ > > _______________________________________________PD-list(a)iem.at mailing list > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list > > > -- " a verdade como a arte tá nos olhos de quem vê" Lab-171 ... Rádio Interferência 21 86348407 brunotarin(a)gmail.com

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Problem regarding GL: invalid enumerant
by Henry Lin 20 Jul '07

20 Jul '07

when PD try to create a gemwin and start rendering. There is a error message saying " GL: invalid enumerant" . Anyone know what does this mean ? and Possible solution? Thanks _________________________________________________________________ New Windows Live Hotmail is here. Upgrade for free and get a better look. www.newhotmail.ca?icid=WLHMENCA150

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Pd-list July 2007