Pd-list September 2002

pd-list@lists.iem.at

91 participants
124 discussions

Re: [PD] starting under linux
by Andrew W. Schmeder 15 Sep '02

15 Sep '02

<quote who="marius schebella"> > i'd like to start pd either with one single mouse-klick or just with a > keyboard-shortcut. i find it annoying to open the konsole-window and then > type some stuff... I setup a gnome/sawfish keyboard shortcut (Ctrl-Esc) which opens a console window. It would be easy to set up a similar thing for launching PD, with or without a console attached. I also set up a number of other keyboard shortcuts for common window-management type things, e.g. flipping workspaces, moving windows, closing, maximizing, etc... all of this well help to increase usability. --andy ----------------------- Andrew W. Schmeder andy(a)e-molecule.com

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was: [PD-announce] New Tcl/Tk and Mac OS X 10.2 installer
by Adam Lindsay 15 Sep '02

15 Sep '02

Hi Sukandar, I'm not responsible for anything other than the compilation and the packaging. :) All features (and bugs) are due to the Tcl/Tk team. I've noticed many many messages like your SendEventTo... one, in every version of Tcl/Tk/Pd that I've used. As far as I can tell, it's harmless. Glad that the installer helped, though! adam I believe Sukandar Kartadinata said this around Sun, 15 Sep 2002: > >On Saturday, September 14, 2002, at 10:10 PM, Adam Lindsay wrote: > >> Those of you running PD on Mac OS X 10.2 (Jaguar) have probably >> encountered an annoying screen update bug in Tcl/Tk. > >yeah, was about to report this problem. Actually, for me it also >stopped audio output after a few minutes. > >your installer works a treat. thanks much. always great when problems >get solved faster than they occur... :) >and extra bonus for the keyboard shortcuts! > >only thing I get are these error messages when leaving the file >selection dialog box: > RCNE SendEventToEventTarget (mous Moved ) failed, >-9874 >but they seem to cause no harm > >thanks, >Sukandar > > >_______________________________________________ >PD-announce mailing list >PD-announce(a)iem.kug.ac.at >http://iem.kug.ac.at/cgi-bin/mailman/listinfo/pd-announce -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Adam Lindsay +44(0)1524 594 537 atl(a)comp.lancs.ac.uk http://www.comp.lancs.ac.uk/computing/users/atl/ -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

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group objects in gem ?
by t.grewenig 15 Sep '02

15 Sep '02

hi out there... is it possible to group different objects in gem to give them the same modifiers like translation, rotation etc.? if they use the same gemhead each inherits strange behaviors from the previous sibling. i also dont understand the gemwin -view -helpfile are there other examples? i would like to rotate the camera [view] around an target like in vrml. and my last newbie question how do i catch an midioutsignal from pd i use win98 & winXP with an creamware pulsar2 audiocard midiin [to pd] works fine sorry for my bad english and thanx for help >> tobix t.grewenig(a)viva-elektronika.de

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Py extern : WOW !!
by joge . 14 Sep '02

14 Sep '02

i wanted to take a moment and say that i am highly amazed by the work that can be done with the py extern by Thomas Grill. i just went through the example files in pd and the related python files and i cant believe that the extern works so smoothly with pd. first off you can dynamically create objects on the pd canvas ! i have not seen this before in pd , maybe i just wasnt looking hard enough ? secondly , you can create tcl/tk windows to do what ever you can do in tcl/tk , but have it controlled through a pd patch you have made. thirdly , it seems the py external can be used to create simple externals , and there for circumventing the whole C external paradigm. which to me seems easier for non-programmers to learn python then to learn C [in the context of pd externals]. and last but not least ,, you can create threads !! i havent thought of something i would like to use them for . but i think thats because i never really played with threads in the past . but i am sure some more seasoned programmers can think up thing . that was a nice advertisement :] but seriously .. thanks for all your work on this external Thomas!! joge .

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Re: [PD] delread~ question
by Andreas Sumerauer 14 Sep '02

14 Sep '02

JoÃ£o M Pais schrieb: >>And another one: I would love to have a (noninterpolating) delay that >>accepts delay times in >>samples instead of ms. Does something like that exist? >> >> >> >Is z~ from zexy what you mean? > Not really. I just would just prefer to have the delay time in samples instead of ms. That would save me some overhead. I am anyway calculating the nuber of samples iin my algorithms. As it is now I have to convert the result back to ms which is then again transformed into samplenumbers by the audioengine of the programm. regards Andreas

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group objects in gem ?
by t.grewenig 14 Sep '02

14 Sep '02

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Re: scaling pix_draw in GEM ,and GEM performance question
by Jim Ruxton 14 Sep '02

14 Sep '02

Thanks Mark, Chris and Guenter for the suggestion to check that GL was working. I looked at my X windows config file and it looks like GLcore wasn't enabled. I did enable it and Gem seems to be running better. I'll have a look at hdparm as well Chris,. One thing I would like to be able to do is fade out a running mpeg movie. I tried using pix_gain which works but slows down the mpeg movie. Can anyone suggest another way that is less processor intensive. Thanks for all the help. Jim >>I second guenter's post about not having hardware GL working. did >>you get the nvidia drivers off the nvidia site? the ones that come >>with the linux distros are not the real drivers. >> >>also, what size are these textures? and how many do you have? you >>could be running out of vram if you are trying to use a lot of large >>textures. >> >>you are obviously using a laptop (geforce2go) so the hard drive could >>be slowing you down if it is full or you are trying to load massive >>amounts of data like 640x480 uncompressed movies or lots of files at >>once. also i find that sometimes dma transfers are off by default in >>linux. check man hdparm and >>http://linux.oreillynet.com/pub/a/linux/2000/06/29/hdparm.html for >>more info. this can make a big difference in disk transfer speed. >> >>as far as the image distortion goes, this could be a case of resizing >>the texture to a power of two. i'm pretty sure that GEM supports >>non-power of two textures tho... >> >>for resizing: mapping the movie onto a quad and resizing/scaling the >>quad should be the fastest method. >> >>cgc >> >> >> >>>Hi, >>> >>>I am having trouble scaling images using pix_draw. I thought I could >>>scale an image using scale or scaleXYZ before pix_draw but it seems >>>like these objects have no effect. I can scale an image by texture >>>mapping onto a square and resizing it but I find it is slower than >>>pix_draw in this case. When rendering movies I've found that >>>texture mapping is faster but the image is more distorted. I'm using >>>GEM 0.87 under Linux. Is this a problem with pix_draw or is it >>>supposed to work this way? I have a fast processor ( 1 GHz) a good >>>video card (Nvidia 2Go) and I find movies are playing quite slowly. >>>I only have 128 MB ram. Just ordered another 256 MB hoping this will >>>speed things up. Wondering what other people are using to get >>>realtime playback with MPEGs in Linux? >>>Thanks, >>>Jim >>> >>> >>>_______________________________________________ >>>PD-list mailing list >>>PD-list(a)iem.kug.ac.at >>>http://iem.kug.ac.at/cgi-bin/mailman/listinfo/pd-list >>> >>> >>-- >> >> >> >> > > > > >

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locations in linux
by martin pi 13 Sep '02

13 Sep '02

hi, just because it comes into my mind that moment: i recently had a path problem with pd. is there a general agreement over where pd is installed under linux. my installation resides in /usr/local yet /usr might be logical too. i remember that i had to move some libraries once. does it only work since there happens to be only one makefile template? martin martin pi http://attacksyour.net/pi www.machfeld.net

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order of object evaluation -> featurewish
by Andreas Sumerauer 13 Sep '02

13 Sep '02

Is there any way to change the order in which the objects are evaluated other than deleting the too early one and inserting it again? For the kind of work that I am doing that would couse havoc in most of the cases. Apart from that I find it very inconvinient, that the program does not give any imformation on that important matter. (hope I did not overlook some important feature here) Is there any remedy in the pipeline? if not, then here is my feature wish: - make the objects index number (I mean the program already creates one) accessible via the properties menu. pd would then just calculate the objects according to their indices (with some internal decision method if two ore more objects come with the same index) - If in edit mode an object is highlighted then TAB would jump to the next object in order of evaluation. Shift Tab would jump to the previous object. this would make debugging really easy. - the sorting could of course be done automatically (with the aim to avoid any unwanted unit delays) but this would have to be calculated whenever the signal routing is changed. (=whenever a wire is introduced or deleted) I'd rather prefer to do it manually also because that would sometimes give me a unit delay for free + it saves pd from another additional overhead. best regards Andreas Sumerauer .

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Serial Object Help
by David Sabine 13 Sep '02

13 Sep '02

Hello all, Is the [serial] object (for NT only) in use by anyone? I can't find any documentation about this object at all. Can anybody help me understand even the INLET? I know there is an external object called [ComPort] but I'm concerned mainly with [serial] -- I'd like as much information about this object as possible. Any help would be appreciated. Regards, Dave Sabine

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Pd-list September 2002