Pd-list October 2013

pd-list@lists.iem.at

102 participants
122 discussions

[PD-announce] Pd Chocolate - GUI
by Pierre Guillot 04 Oct '13

04 Oct '13

Hi, I’m actually working on a project that aims to facilitate the creation of GUI externals in Pd and to easily convert source code from Max to Pd and from Pd to Max. I’ve created a small C/C++ library (at the end, it will be a full C library) with: - An automatic generation of border and inlets/outlets (like Max) - A better graphics behavior (layers and functions to clip the drawings within the box boundaries) (like Max) - Attributes (size, value, whatever you want) that are saved with the patch (like Max) - Dynamic inlets/outlets (like Max…) - An easy management of mouse motion and keys - Macros to convert from Max to Pd and from Pd to Max So, here the git of the project : https://github.com/pierreguillot/PdEnhanced.git You can find Mac examples in the Pd Chocolate folder, a small set of externals that is not essential, unlike Pd vanilla, but that can be useful (there’re a vu~ and a nbx~ that don’t have the blink effect of their homologue). You will also find a library, much more substantial with many quite complex GUIs dedicated to ambisonics on the git project HOA where the codes are almost similar to those used in Max: http://www.mshparisnord.fr/hoalibrary/ https://github.com/CICM/HoaLibrary.git As you can guess, I would like to get feedbacks and advises. The things I want to improve are: - the automatic creation of the properties window based on the attributes - a better captation of mouse events (right click in run mode for example) - creation of object in a sort of « canvas » or « window » like popmenu or entry (I want to use the clip functions of tcl/tk) So, if you want to participate to this project, you are welcome and if you have externals that you want to convert from Max to Pd or from Pd to Max, i can help you. Sorry if you have already seen this topic on one of the puredata forum but I don't want to miss a potential helper. Best, Pierre _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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Re: [PD] Legal restrictions for apps
by Dan Wilcox 04 Oct '13

04 Oct '13

Actually no. This is a common misconception. The GPL does *not* forbid selling GPL software! The requirement is that you have to publish *all source* and especially modifications you make. On Oct 5, 2013, at 12:33 AM, pd-list-request(a)iem.at wrote: > From: "Pagano, Patrick" <pat(a)digitalworlds.ufl.edu> > Subject: Re: [PD] Legal restrictions for apps > Date: October 4, 2013 1:37:21 AM GMT+08:00 > To: Simon Wise <simonzwise(a)gmail.com> > Cc: pd-list <Pd-list(a)iem.at> > > > There was quite a lot of discussion on the supercollider list about this too. Everyone is quick to share that you can't sell it. I don't want to sell anything I want to use the programs for my own use on a tablet, plain and simple. -------- Dan Wilcox @danomatika danomatika.com robotcowboy.com

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puredata.info partially down ?
by Py Fave 04 Oct '13

04 Oct '13

http://puredata.info/docs gives and members pages too

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Invalid autobuild download
by Antoine Villeret 04 Oct '13

04 Oct '13

hi, since this afternoon I can only download invalid archive from http://autobuild.puredata.info/auto-build/ or from http://apt.puredata.info/auto-build all downloaded files have a 0 byte size. I tried under 3 OS with 2 different internet connections. is the server under maintenance ? a -- do it yourself http://antoine.villeret.free.fr

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LED on the Cheap
by Alvin Google 04 Oct '13

04 Oct '13

I am writing a proposal to use Pure-Data to control LED panels that would light part of a rock quarry. The panels should both illuminate and show pixelated imagery (the resolution dependent on the quality of LEDs). I would looking for the cheapest and easiest solution. It has to be visible at some distance so the panel size would have to be at least 2 x 3 meters. This sort of application is completed new to me and any and all advise would be super helpful.. Thanks A

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[PD-announce] PD piece at Long Beach, CA Soundwalk this Saturday
by Joe Newlin 04 Oct '13

04 Oct '13

If anyone is in Southern California, the 10th annual (and possibly final) Soundwalk sound art exhibition in Long Beach will be this Saturday from 6:00-10:00 pm. My piece for this year's event, titled Solipse, was created entirely with PD and is described thusly: "The listener hears a unique sound. The sound is interesting, but the listener is incapable of describing it to others. Attempts to share the sound cause it to abruptly change." The site for the event is http://soundwalk.org/ and there will be a lot worth hearing. -- www.joenewlin.net www.twitter.com/joe_newlin _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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Re: [PD] Legal restrictions for apps
by Dan Wilcox 03 Oct '13

03 Oct '13

The sources are in libpd yes, but I remove them from my project. If the license change was done with the authors consent, it wasn't done properly because, as I said before, the headers in vexpr.c, vexpr_fun.c, and vexpr_if.c are GPL and it prints a GPL load message. The LGPL license is in the LICENSE.txt file: https://github.com/libpd/libpd/tree/master/pure-data/extra/expr~ I could just go in and change them, but I don't know the authors nor have their consent, so I figure this should be done at the source. On Oct 3, 2013, at 3:52 PM, pd-list-request(a)iem.at wrote: > From: Simon Wise <simonzwise(a)gmail.com> > Subject: Re: [PD] Legal restrictions for apps > Date: October 3, 2013 3:34:00 PM GMT+08:00 > To: pd-list <Pd-list(a)iem.at> > > But is expr part of libpd?? > > Simon -------- Dan Wilcox @danomatika danomatika.com robotcowboy.com

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RE : Re: need help with gem and glsl feedback
by jack 03 Oct '13

03 Oct '13

Use, format RGB32 instead of RGB for your framebufers. ++ JackPy Fave <pyfave(a)gmail.com> a écrit :first thanks both for your help. i was tired yesterday evening. jack , i have a problem with your patch. i had already similar problems before, that's why i wanted to use some shader in the feedback chain . it works ok BUT with very long feedback ( 0.999 alpha ) values i get a ghost image, the point never diseappears( because perhaps of a bad approximation in opengl ) . ie : color 1 1 1 0.995 leaves traces is that a problem with my graphics card ? i don't think so . i join a clumsy correction test , with makes things flicker a bit too much . do you have a better workaround? 2013/10/2 Jack <jack(a)rybn.org>: > Le 02/10/2013 20:10, Py Fave a écrit : >> Hello list , >> >> i'm currently trying to understand a bit more glsl , >> and am tearing my hairs >> >> i have a scene with some moving geometry (torus) >> on this geometry i use successfully a simple shader to plot a moving circle. >> >> Then >> i try to make the classical feedback effect , but i need to use glsl >> because i want to control precisely the adding of the image at time >> and at time+1 >> >> here is the feedback shader i try to use . >> ---- >> uniform sampler2D tex1,tex2; >> uniform float motionblurstrenght; >> vec2 coord = gl_TexCoord[0].st; >> void main() >> { >> vec4 t1 = texture(tex1, coord);//new frame >> vec4 t2 = texture(tex2, coord);//acumulated frame >> gl_FragColor = vec4(t1.r); >> float r = ((1.-motionblurstrenght)*t2.r) + (t1.r);//motion blur >> gl_FragColor = vec4(r); >> } >> ---------------------- >> >> >> do you have a clean example or hints on how to implement this ? >> i am currently fighting with gemframebuffer and pix_texture >> and rendering order and texunits . >> and i feel i'm missing something .. >> >> i would like , if possible to keep this as an effect i can turn on and >> off , without modifing my current gem chains . >> >> i think i need two gem chains ,one early and one at last in the frame >> drawing chronology , but i can't make it though i tried a lot >> >> any help appreciated . >> >> Pierre-Yves >> >> _______________________________________________ >> Pd-list(a)iem.at mailing list >> UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list > > This example could help, see attached. > ++ > > Jack > > > > _______________________________________________ > Pd-list(a)iem.at mailing list > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list >

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need help with gem and glsl feedback
by Py Fave 03 Oct '13

03 Oct '13

Hello list , i'm currently trying to understand a bit more glsl , and am tearing my hairs i have a scene with some moving geometry (torus) on this geometry i use successfully a simple shader to plot a moving circle. Then i try to make the classical feedback effect , but i need to use glsl because i want to control precisely the adding of the image at time and at time+1 here is the feedback shader i try to use . ---- uniform sampler2D tex1,tex2; uniform float motionblurstrenght; vec2 coord = gl_TexCoord[0].st; void main() { vec4 t1 = texture(tex1, coord);//new frame vec4 t2 = texture(tex2, coord);//acumulated frame gl_FragColor = vec4(t1.r); float r = ((1.-motionblurstrenght)*t2.r) + (t1.r);//motion blur gl_FragColor = vec4(r); } ---------------------- do you have a clean example or hints on how to implement this ? i am currently fighting with gemframebuffer and pix_texture and rendering order and texunits . and i feel i'm missing something .. i would like , if possible to keep this as an effect i can turn on and off , without modifing my current gem chains . i think i need two gem chains ,one early and one at last in the frame drawing chronology , but i can't make it though i tried a lot any help appreciated . Pierre-Yves

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[PD-announce] pd 0.45-3 test 1 released
by Miller Puckette 03 Oct '13

03 Oct '13

Hi all, Pd version 0.45-3 test 1 is available on http://crca.ucsd.edu/~msp/software.htm or via git from sourceforge: git clone git://git.code.sf.net/p/pure-data/pure-data cd pure-data git checkout -b 0.45 This fixes the bug pasting text from other software into Pd boxes, and also fixes (I hope) the problems with running at 48KHz on built-in hardware on Mac OSX 10.7 and 10.8. Since this is a change in audio I/O that could have unexpected effects on other hardware I'm leaving it as a test version to see if anyone has new problems. But I think it's ready to use now. cheers Miller _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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Pd-list October 2013