Pd-list March 2007

pd-list@lists.iem.at

139 participants
278 discussions

hotkey scrolling within patches?
by Rich E 08 Mar '07

08 Mar '07

Hi list, Does anyone know of a good linux window manager that would allow me to scroll left/right or up/down within a pd patch with the use of hotkeys? In Gnome and Blackbox, I can scroll up and down with the trackpad, but I really need to be able to do left and right. Another side question for the programmers out there; how hard do you think it would be to add automated scrolling (such as the time cursor in daw's and whatnot)? Maybe it is possible to write an external that controls scrolling within a patch? Regards, Rich

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Re: [PD] rfcomm and comport device list
by martin.peach＠sympatico.ca 08 Mar '07

08 Mar '07

gordo said > > hi all, > > i´m running pd 0.39-1 on 2.6.17-gentoo-r8 and reading data from an > incoming bluetooth device via bluez´s rfcomm. > > after connecting: > > # rfcomm connect 1 > Connected /dev/rfcomm1 to 10:00:E8:52:32:CE on channel 1 > > i can do: > > # cat /dev/rfcomm1 > > which cats all my incoming data correctly, but if i´m printing > device-list with comport-object, it pathetically outputs: > [comport]: available serial ports: > 0 /dev/ttyS0 That's because it looks for anything like "/dev/tty[SU]*". Possibly if you open by name [open /dev/rfcomm1( it will work, if rfcomm1 is a serial port. Otherwise, it might not... Martin

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Gem [cube] weirdness
by Claude Heiland-Allen 07 Mar '07

07 Mar '07

Hi list, I'm having issues with cubes in Gem, it appears that [cube] is broken in some way, with polygons in the wrong places. See: http://claudiusmaximus.goto10.org/gallery/coding/d01234/rev215-broken-cube.… I'm using [repeat] and switching the same [cube] object between "draw line" and "draw fill" multiple times each frame, could this be the source of the issue? Screenshot of the patch is here: http://claudiusmaximus.goto10.org/gallery/coding/d01234/rev215-weird-textur… I'm using Gem from CVS (a couple of weeks old), and ATI Mobility Radeon 9700 proprietary drivers. Any ideas? Claude -- http://claudiusmaximus.goto10.org

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Re: [PD] Percolate
by Ivica Ico Bukvic 07 Mar '07

07 Mar '07

> I'm not a lawyer, but as I understand it, source or binary doesn't > matter: As long as you distribute a flext-external, source or binary, > you have to distribute it as GPL. This is impossible without violating > either the Percolate license or the GPL, because both are > incompatible: the Percolate license isn't a free license. > > > Also, how does this affect Stk+flext, since Stk's license is not GPL > > either? > > The Stk-license is perfectly compatible with the GPL, it's almost a > public domain license and doesn't try to restrict use and distributiom > in a way, as Percolate's license does. So there are no problems > linking flext and stk. While I can see your point, one thing that confuses the heck out of me is the following excerpt from the STK license: "Some of the concepts are covered by various patents, some known to us and likely others which are unknown. Many of the ones known to us are administered by the Stanford Office of Technology and Licensing." Obviously, I am not a lawyer either, but I thought that GPL was not patent-compatible. If someone's source is potentially infringing upon a patent, (which I am not claiming that STK is--I am speaking here purely hypothetically), my rather limited [mis]understanding of licenses is that they do not have the right to grant permissions to others to use patented code of a patent that is not theirs... This is why I thought that "educational use" ought to do it, but then again, what do I know? ;-) Best wishes, Ico

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Re: [PD] dynamic proximity responce
by nosehair911＠bellsouth.net 07 Mar '07

07 Mar '07

Thanks for your quick responce David. I guess my example was a bad one but I will try to explain better. What I'm trying to do is for example I have 1circle that it attached to an osc~. A 2circle attached to a frequency modulation patch. A 3circle attached to another osc~ with a different frequency/tone. What I want is that as 2circle(frequency modulation) gets near 1circle(osc~) the frequency modulation patch interacts with 1circle's osc~ and as it moves away from 1circle and towards 3circle(osc~2), the frequency modulation stops interacting with 1circle and starts interacting with 3circle. I am using the TuioClient in order to recieve position data so yes I will definitly know the position of the objects. Is this something that can be done with pmpd or what other externals would you suggest me looking into. Thanks, Alain > > From: "David Powers" <cyborgk(a)gmail.com> > Date: 2007/03/07 Wed PM 02:46:47 EST > To: "nosehair911(a)bellsouth.net" <nosehair911(a)bellsouth.net> > CC: pd-list(a)iem.at > Subject: Re: [PD] dynamic proximity responce > > On 3/7/07, nosehair911(a)bellsouth.net <nosehair911(a)bellsouth.net> wrote: > > I'm very new to PD so this may be a simple question. Is there any way to have multiple objects interact > > with each others patching depending on how close they are to each other. In simple terms. > > Basically have 1 gemobject be attached to a loadbang and a 2nd gemobject be attached to a metro and > > as object 1 gets a certain distance from object 2 the loadbangs outlet attaches to the metros inlet. I have > > been driving myself crazy trying to figure this out in PD. I think it might have something to do with pmpd > > but I cant figure it out. > > Any help would be appreciated. > > Hi, > > Well, first of all, I don't know the answer to your question, but what > is it you are trying to achieve? I'm 99.9% that there is a better way > to achieve what you want, without attaching the objects dynamically. > > Second, attaching a [loadbang] to a [metro] won't do anything. A > loadbang only bangs when you load up the patch, but in your case, the > patch is already loaded, so nothing is going to happen. Probably what > you really want to do is something different. > > Third, to find out how close to objects are, you simply need to make > an abstraction to measure the 3d distance between two points. Gem > objects won't tell you their position, but that doesn't matter because > you should already have their position, since somewhere in your patch > something is sending coordinates into the Gem objects, telling them to > move! Otherwise they would just be in the center of the screeen... > > Maybe that helps a little?! Give us more info and we can probably help more. > > ~David >

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pd gui chrases in Ubuntu Edgy Eft
by Fanouris Moraitis 07 Mar '07

07 Mar '07

Hi, Sometimes when I do right click for help to any object or when I am trying to type something pd crashes with the following message pd: magick/exception.c:845: ThrowMagickExceptionList: Assertion `exception->signature == 0xabacadabUL' failed. Pd: signal 6 pd_gui: pd process exited I use Pd version 0.39.2-extended-test7 for ubuntu cheers,

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dynamic proximity responce
by nosehair911＠bellsouth.net 07 Mar '07

07 Mar '07

I'm very new to PD so this may be a simple question. Is there any way to have multiple objects interact with each others patching depending on how close they are to each other. In simple terms. Basically have 1 gemobject be attached to a loadbang and a 2nd gemobject be attached to a metro and as object 1 gets a certain distance from object 2 the loadbangs outlet attaches to the metros inlet. I have been driving myself crazy trying to figure this out in PD. I think it might have something to do with pmpd but I cant figure it out. Any help would be appreciated. Alain

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pd installer for macosx not recognizing preferences
by august 07 Mar '07

07 Mar '07

hi, I'm trying to install Pd-0.39.2-extended-test7-macosx104-powerpc.dmg from http://at.or.at/hans/pd/installers.html on a G4 laptop running MacOSX 10.4.8 the instructions say: # To install, drag the Pd.app anywhere on your your hard drive. # For newbies: to install support for creb, Gem, pmpd, xsample, vasp, # etc., copy the included org.puredata.pd.plist to ~/Library/Preferences # (~ means your home folder). If you already have preferences saved, # this would replace them. I do exactly that and while I can get PD to run, it will not load any of the libraries. I've also tried to edit the preferences from the GUI...but no luck there either. anyone have a working org.puredata.pd.plist or pdrc ? what am I doing wrong? thanks -august.

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re: [PD] a little pitchshifter
by robbert van hulzen 07 Mar '07

07 Mar '07

well then, thanks for doing my homework! ;) nice one. (i like how it gives a kind of flanger effect on the drum loop i tried it with, almost more like a filter, because of the high noise portion of the signal, i suppose.) cheers, robbert Thomas Mayer <thomas(a)dergrossebruder.org> wrote: > Hello, > > after all the discussion about looping samplers etc., I have made a > small abstraction patch that does pitchshifting. It uses susloop~ and > the higher math externals, and I don't know if standard Pd has all those > installed. Left input takes the sound, right input transposion in > halftones. It is designed for a sample rate of 44100 Hz, but you can > change that with a little editing. > > So, yet another thing, anyone should have patched in Pd accomplished ;) > > cu Thomas

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Re: [PD] Is asynchronous but fast loading possible?
by Matteo Sisti Sette 07 Mar '07

07 Mar '07

Hi, Well, I still have to look at the [sndfile] everyone is talking about, but anyway, with regard to the general discussion about sound playing and loading, please let's distinguish between two completely different problems: -PLAYING audio files (i.e. reading them in real time) -LOADING audio files (storing them into a table). [readsf] is for playing. In my opinion its only "flaw" is that you never know exactly how much you have to wait before you send it a [1( in order to be able to trust on its output. A "fix" would be an outlet that bangs when the buffer is full or something like that...... Or even something more sofisticated, such as being able to know at any time how much of the buffer is full - so one may have a bigger buffer for security, but start playing when a smaller portion is full......... obvioulsy I'm talking of an object that wouldn't be called [readsf]. It would be marvallous to have an object capable of *immediately* start playing, but I suppose that loading a sufficient portion of a file in a 1/44100 of a second is impossible in most platforms, or isn't it? [soundfiler] is for loading. Its limit is that it blocks everything untill it finishes loading. Reading a file in realtime is NOT an alternative. The alternative would be an object capable of "threaded" loading, but still, loading as fast as possible, not reading at a certain realtime speed; and banging when finished. I dunnow if [sndfile] is such an object but I suppose it isn't since it has been said to be a "bad hack" and not to be the solution to my problem.... however I'll have a look at that. Hope I've not been too pedantic, but I had the impression that the problems of playing and loading were a bit mixed up, and I thing it's key to distinguish them or a "solution" is far to come. Talking about PLAYING (real time reading): it would be grate to be able to override the sample rate of the file (or read it at a given speed, which is the same in this context) which afaik from documentation, is not possible with readsf. Even varying playing speed during playing would be desirable.... Bye M.

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Pd-list March 2007