Pd-list February 2009

pd-list@lists.iem.at

115 participants
182 discussions

libflac7
by Georg Werner 23 Feb '09

23 Feb '09

hi, i installed Pd-extended recently on xubuntu and found the tutorial on floss manuals ( http://en.flossmanuals.net/PureData/InstallingUbuntu ) very useful. my question: is Pd still depending on libflac7 and libjasper? if yes, the repositories for feisty have to be updated: deb http://old-releases.ubuntu.com/ubuntu/ feisty main restricted deb-src http://old-releases.ubuntu.com/ubuntu/ feisty main restricted feisty isn't officially supported no more. g.

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Hiding bits of the subpatch
by Chris McCormick 23 Feb '09

23 Feb '09

Hey Pders, Luke's recent data structures gui posts inspired me to take another look at what is for me the holy grail of GOP guis in Pd - hiding bits of the gui selectively, so you can make simple looking guis which expand out to show more complicated options at the user's behest. Attached is a patch that gets this to work through what appears to be a weird bug in the interaction between Pd and tcl/tk and some internal-message jiggery. Anyway, enough yammering, see the attached patch. Click 'show_hide' to show and hide the number box on the right. You can use the numberbox on the left to slowly slide the gui in and out to see it working slowly. For some reason this only works if you use a [line] to slowly change the size of the GOP, otherwise nothing gets hidden. Well, that is if it works at all for you. Best, Chris. ------------------- http://mccormick.cx

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Re: [PD] Pd-extended on AMD 64
by Ilias Anagnostopoulos 23 Feb '09

23 Feb '09

Hello, This is an interesting one: > Date: Thu, 12 Feb 2009 16:27:11 -0500 > From: Hans-Christoph Steiner <hans(a)eds.org> > Subject: Re: [PD] Pd-extended on AMD 64 > To: Loic Kessous <loic.kessous(a)gmail.com> > Cc: pd-list(a)iem.at > Message-ID: <8C05AB00-4468-49EE-9422-230375968BFD(a)eds.org> > Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes > > > On Feb 12, 2009, at 3:15 PM, Loic Kessous wrote: > > >> >> 1) Is there a version already compiled for AMD 64 or should I try to >> compiled it myself (and is it possible?) >> > > Build it yourself, there currently aren't any official 64-bit binaries > because there is no 64-bit machine in the build farm. If someone > would either donate a 64-bit machine or figure out how to host a 64- > bit build on a 32-bit machine, then we could add official 64-bit builds. > > I have not personally created a good enough binary on amd64 yet, and I have been caught up with too many other things since the new year and the move of the amd64 machine I was working on. Has anyone got a 64-bit binary ready that would be good enough as a 64-bit release (John Harisson was hosting one)? Hosting it couldn't be easier: Reprepro will automatically figure out the architecture (if the deb is done properly) and will put it in the right place. You can have access to the repo from a 32-bit machine: In the /etc/apt/sources.list deb http://something - stands for the standard architecture deb-src http://something - stands for the source ARCHITECTURE, since source is considered a different architecture in DEB repositories. deb-amd64 http://something - amd64 architecture on i386 machines deb-i386 http://something - i386 on amd64 machines. This is especially useful with apt-mirror for mirroring repos. If by "hosting" you mean hosting the nightly build or so, how about target architecture? Building for amd64 on an i386 by getting all the necessary amd64 libs? I thought the only problem was that some things didn't work yet on amd64, not the actual hosting. -Ilias

3 5

Window un-focus notification
by Luke Iannini 23 Feb '09

23 Feb '09

Yo - anyone have any ideas on getting the focus state of a window in Pd? I want to only enable key commands when the relevant window is focused - I have lots of miniature applications and it makes much more sense to treat them independently - I think the global nature of keystroke handling is what keeps me from every really using it! (And, I know [tot] can tell me when a window is focused, but not when it's unfocused, meaning I'd need a [tot] in every single window. no good) Best Luke

4 4

Best way to deal with many tables.
by B. Bogart 23 Feb '09

23 Feb '09

Hey all. I've managed to get my patches to use less objects, and more messages. Problem I have now is storing data in an organized way. Basically the system I'm working on needs to store the RGB hists of many images (10,000 ideally, RAM permitting). RGB hists are concatenated into tables of 768 elements each. What is the best way to deal with this number of tables? There are the usual thoughts of using dynamic patching and such, but really I'd like a more elegant solution. Has anyone worked on something like a multi-table or nested table? I could put everything in one giant table, but each chunk needs to be a list in the end and it seems to be iterating over a section of the table to dump it as a list would be a lot slower than using [tabdump]. Just wondering if anyone has any suggestions. I've already mentioned my wish to have a generic storage system (similar to data-structures but independent of any graphical representation) namely: tables of floats (done), tables of symbols, and most importantly tables of tables! .b.

7 10

set value by message
by Enrique Erne 22 Feb '09

22 Feb '09

hi is it possible to set a [value] by a message? i.e. [value foo] [; foo 27( error: value: no method for 'float' ... you might be able to track this down from the Find menu. sorry if this has been asked before. all i found in the archives is http://lists.puredata.info/pipermail/pd-list/2001-10/003328.html eni

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Windows low latency first-hand experiences?
by Matteo Sisti Sette 22 Feb '09

22 Feb '09

Hi, I've already browsed the archives and found some helpful information about getting low latency in Windows with PD. Now i'd love to hear about anyone who has been able to get as low as 15-20ms latency in Windows using PD, without getting glitches, preferably in Vista and with external hardware, such as USB or firewire cards. [not that I prefer Vista over XP, but I just happen to have it installed on my new laptop, so if I can get what I need without installing another OS it would be better for me] I guess I should go for ASIO4ALL and I want to buy an external audio interface, so I was wondering for example if there is any reason for preferring usb vs firewire or viceversa; if any audio interface in particular has proven to work well (or bad so that I avoid buying it) for this purpose; if asio4all performs equally well with external hardware as with built-in hardware...... Any positive or negative experience is welcome; a positive easy-to-reproduce experience is what I'm looking for. Also, if the same can be achieved with some relatively-newbie-friendly almost-out-of-the-box GNU/Linux distribution, it may be worth trying... Thanks in advance m.

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Re: [PD] Windows builds + documentation
by Hans-Christoph Steiner 21 Feb '09

21 Feb '09

Hey, I am happy to try to help you thru the troubles you run into so that we can get you building. My only request is that we do it on the pd- list so that it is archived and others and join in if they want to. It seems to me that your /usr/local/ might not be setup right. In MSYS, run the command "mount" and send the output to this thread. .hc On Feb 20, 2009, at 11:22 AM, João Pais wrote: > Hi again, > > sorry, but just don't bother about this anymore - obviously (at > least for me) compilation didn't work out, after ~1h with cpu at > 100% the result is: > > checking how to run the C++ preprocessor... /lib/cpp > configure: error: C++ preprocessor "/lib/cpp" fails sanity check > See `config.log' for more details. > make: *** [config.status] Error 1 > /usr/local/bin/lua51.dll exists, skipping... > > I don't want to (and I shouldn't have to) bother you every couple of > hours whining because something isn't working. I'm not a programmer, > and when someone tells me to follow some tutorial, I kind of hope > that the tutorial works, and if it doesn't I really don't have the > knowledge to make it work, and slowly I loose my pacience for these > things as well. I also really don't have the time to mess around > looking to solve errors instead of doing my own work. > > So I'll just work with the pd-ext I have, and if necessary I'll > switch momentarilly to vanilla until both catch up. > > Thanks anyway, > > João > > >> You should be able to update that page if you log in. Its HTML >> rather than wiki. As for the asiosdk2.1 folder, that comes from >> the asio thing you get from Steinberg. You have to go thru their >> webforms and you'll get a link via email. >> >> As for /usr/local/include, you'll only see /usr/local when you are >> in the msys shell, its specific to msys. These are the steps to >> create it (from the mingw page): >> >> Once you are in the MSYS shell, you need to make /usr/local: >> >> mkdir /usr/local >> >> Now edit C:\msys\1.0\etc\fstab, or from within the MSYS shell, /etc/ >> fstab. In that file, make sure you have these two lines (case is >> important!): >> >> c:/MinGW /mingw >> c:/MinGW /usr/local >> >> .hc ---------------------------------------------------------------------------- If nature has made any one thing less susceptible than all others of exclusive property, it is the action of the thinking power called an idea, which an individual may exclusively possess as long as he keeps it to himself; but the moment it is divulged, it forces itself into the possession of everyone, and the receiver cannot dispossess himself of it. - Thomas Jefferson

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color tracking in Gem/Pd-extended?
by John Harrison 21 Feb '09

21 Feb '09

Wondering the best solution for color tracking in Pd-extended. I'd like my solution to be cross-platform so that rules out PDP and friends. All I've come up with is to use [pix_blob] to track the color, and to try to minimize the tracking color in the background. There's probably a Gem object where I can "gate" a color i.e. eliminate a color from a pixel if it is less than a certain amount. In my rendering chain after my webcam I'd gate the color I am trying to track, then use [pix_blob] with a color weight of entirely the tracking color. Is there a better way? -John

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Fw: Re: Many outlets and/or inlets
by Isidro Gonzalez 21 Feb '09

21 Feb '09

Yes, I did the same, but did not work. Some objects may not accept creation arguments at all. Many thanks anyway. Isi > --- On Sat, 2/21/09, hard off <hard.off(a)gmail.com> > wrote: > > > From: hard off <hard.off(a)gmail.com> > > Subject: Re: [PD] Many outlets and/or inlets > > To: "Jaime Oliver" > <jaime.oliver2(a)gmail.com> > > Cc: isidro_gonsoy(a)yahoo.com, pd-list(a)iem.at > > Date: Saturday, February 21, 2009, 12:25 AM > > yeah, i just add -------------------------- as an > argument.

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Pd-list February 2009