Pd-list April 2010

pd-list@lists.iem.at

143 participants
284 discussions

GEM: abnormal performance difference PC/Mac?
by Matteo Sisti Sette 13 Apr '10

13 Apr '10

Hi, I'm working on a patch that has 16 [pix_film]s each one playing back a short loop of video; videos are approx 400x700 size, encoded with Animation and have an alpha channel. On a PC with a 2.5GHz dual core (T9300) and Windows, it _almost_ works smoothly: with 10-12 videos it is just fine. On a MacBook Pro which has a 2.4GHz dual core it is _much_ slower. Even with only 4 or 5 videos playing, it goes at less than half of the intended 25fps. Can the hardware really explain that much difference in performance? Is an intel T9300 that much more powerful than the processor of a MacBook pro? (certainly not because of the 0.1GHz more)? Or the GPU (Nvidia GeForce 9500M GS)? Or is there some "software" reason for such a huge performance penalty on Mac OS?? thanks m. -- Matteo Sisti Sette matteosistisette(a)gmail.com http://www.matteosistisette.com

6 18

sys_gui full screen text
by Gintaras Lau. 13 Apr '10

13 Apr '10

Dear list, I have created window with a commands using sys_gui: [toplevel .new( [.new configure -bg black( [wm atributes .new -fullscreen 1( | [sys_gui] I have read manuals from some sites recommended by Hans-Christoph Steiner, but commands presented there are not accepted by pd except those I wrote as message flags. My mission is to read text from text file (what I already solved) and present text on that full screen .new window. Can you replay to me a guide, syntax, or way how to make text appear on that window? Text file contains 6 short lines. How that .new window is going to interact with a gem window (also full screen, topmost) when it will be created? Thank you and Respect.

2 4

use tablet and usb keyboard with [hid]?
by Tyler Leavitt 13 Apr '10

13 Apr '10

Hey all, So maybe I'm going at this the wrong way, but I'm trying to get puredata to recognize my usb keyboard and my aiptek tablet. since i just learned how to use my logitech gamepad via [hid] i figured I'd try and use [hid] to connect those, but they aren't recognized. if not [hid] what should i be using... is there something I have to fix with udev or make some new rules? dmesg for tablet [ 2738.642297] usb 3-1: new low speed USB device using uhci_hcd and address 2 [ 2738.814269] usb 3-1: configuration #1 chosen from 1 choice [ 2741.696119] aiptek 3-1:1.0: Aiptek using 400 ms programming speed [ 2741.696377] input: Aiptek as /devices/pci0000:00/0000:00:1d.1/usb3/3-1/3-1:1.0/input/input12 [ 2741.696792] usbcore: registered new interface driver aiptek [ 2741.696801] aiptek: v2.3 (May 2, 2007):Aiptek HyperPen USB Tablet Driver (Linux 2.6.x) [ 2741.696806] aiptek: Bryan W. Headley/Chris Atenasio/Cedric Brun/Rene van Paassen [ 2741.774335] usbcore: registered new interface driver hiddev [ 2741.774384] usbcore: registered new interface driver usbhid [ 2741.774390] usbhid: v2.6:USB HID core driver dmesg for the keyboard [ 2762.632034] usb 2-1: new full speed USB device using uhci_hcd and address 2 [ 2762.810267] usb 2-1: configuration #1 chosen from 1 choice [ 2762.818379] input: Dell Dell Smart Card Reader Keyboard as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/input/input13 [ 2762.818566] generic-usb 0003:413C:2101.0001: input,hidraw0: USB HID v1.11 Keyboard [Dell Dell Smart Card Reader Keyboard] on usb-0000:00:1d.0-1/input0

2 1

Filters...
by Pierre Massat 12 Apr '10

12 Apr '10

Hi all, recently there was a discussion about the different ways of avoiding aliasing. One of these is oversampling, but as far as i know there is only one example of it in Pd help patches, and it has a phasor in the subpatch. I m assuming that i could use the Butterworth filter in the subpatch without the phasor, am i right? In this case would it make sense to use it everytime i need i low-pass filter? This is probably a very silly question... Pierre

3 4

Lithuanian symbol on canvas label or text2d
by Gintaras Lau. 12 Apr '10

12 Apr '10

Dear list, a problem I have encountered is my native language symbols like: ą,č,ę,ė,į,š,ų,ū. I use Alt+Shift keys to change layout. While typing I get symbols like font webding. As I started to enter text from the textfile (instead of typing to message flag) it seems to be all right to set canvas label but not for text2d on GEM window, where I get squares instead of those symbols. I tried font like Times New Roman witch works fine for Open Office, but maybe there are other issues that cause this. Thanks for any issue related information.

3 2

[PD-announce] April pd intro workshops London
by IOhannes m zmoelnig 12 Apr '10

12 Apr '10

on behalf of andy farnell, i would like to inform you: April Beginners Pure Data Workshops, London UK Sorry for cross posting if you receive this more than once. http://london.sae.edu/en-gb/content/69/Events_and_Workshops This Friday the 16th April and the following Friday the 23rd in London, England, I will be giving two 'free' public lectures for those who are embarking on Pure Data or audio programming related courses next semester, or those who are just Pd curious for art and hacktivism reasons. It's an open door policy at SAE London, and the $5 booking thing is merely a mechanism to manage numbers and make sure people are 'serious' if they book one of the limited seats (If you genuinely can't afford it just ask and they will waive it) April 2010 Mo Tu We Th Fr Sa Su 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 * 17 18 19 20 21 22 * 24 25 26 27 28 29 30 http://london.sae.edu/en-gb/content/69/Events_and_Workshops Thankyou, Andy _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

1 0

dealing with large numbers (for rjdj)
by duncan speakman 12 Apr '10

12 Apr '10

hi, i'm trying to use the gps object in Pd as part of an RjDj scene and their forum is down at the moment so i thought i'd look for help here... so pd has a limit on the size of numbers it can use and i'm looking for a simple way to break them down, (as i'm using RjDj i have to use the vanilla pd so no extra object fun). The GPS object apparently sends out numbers to 6 decimal places, (e.g. 51.430023) which keeps causing problems in other parts of the patch. I have tried removing the integer before the point and multiplying by 10000 to give me something manageable. In the above example I would expect to get 4300.23 but instead i get something like 4300.23XXXX, where are these extra numbers coming from? Can anyone suggest a better way to deal with this data? regards duncan -- http://duncanspeakman.net http://subtlemob.com

3 2

readsf~ error when reading .aiff
by Alexandre Porres 12 Apr '10

12 Apr '10

got this: "error: dsp: /Users/alexandreporres/Desktop/Esashi.aiff: Too many open files" anyone? thanks

1 0

Pd-extended 0.42.5 almost ready for beta
by Hans-Christoph Steiner 11 Apr '10

11 Apr '10

Pd-extended 0.42.5 is almost ready for the beta/release candidate cycle. This release is mostly a bug release since 0.43 will include the new GUI code and other big changes. http://puredata.info/dev/NextRelease You can download the most recent build, including sometimes Ubuntu Karmic 64-bit and NetBook Remix, and Mac OS X/PowerPC: http://autobuild.puredata.info/auto-build/latest/ .hc ---------------------------------------------------------------------------- All information should be free. - the hacker ethic

1 0

Re: [PD] Pd-list Digest, Vol 61, Issue 52
by linux jazzbass 11 Apr '10

11 Apr '10

A new website for french community was open by me. http://puredata.tuxfamily.org I hope a long life to this new site to help french user, to translate english doc and example. See you soon.

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Pd-list April 2010