Pd-list April 2013

pd-list@lists.iem.at

102 participants
131 discussions

Gem High def out put (stills ect)
by Alan Brooker 12 Apr '13

12 Apr '13

Hi II am use Gem to create some 3d artworks I planning to have printed for framing/postcards etc.- would be grateful for any advice on way to save high quality/large images from the Gem window? Ways to achieve Anti aliasing (is this only for Nvidia graphics?), smoothing of edges and such. Thanks for the advice all, much appreciated. Alan

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Serquencer.
by servando barreiro 12 Apr '13

12 Apr '13

HI all! Here a compilation + nice .en manual of something that I have been working on lately.. http://servando.hotglue.me/serquencer Thanks to All of you for the inspiration, patches, tips, bugfixes, etc.. Ser

3 2

gpio on the raspberry pi from within pd ?
by Charles Goyard 12 Apr '13

12 Apr '13

Hi list, is there some external or stdout/daemon trick to access the gpio from pd on the Raspberry pi ? Thanks -- Charlot

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flip image in glsl
by Patrice Colet 12 Apr '13

12 Apr '13

Hello, how is it possible to flip upside down an image in glsl example 05.multitexture I tried to implement this in fragment program: http://stackoverflow.com/questions/9857089/flip-upside-down-vertex-shader-g… but it doesn't work. The only thing I can do is changing texture scale and position, but I couldn't do it with negative values like it would be done in pix_coordinates. In fact when I use pix_multiimage before pix_texture, the image gets flipped, I don't know why... Colet Patrice

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Re: [PD] BUG more than 2 output/input chanells -> segfaults
by Fero Kiraly 12 Apr '13

12 Apr '13

iohannes thanks for helping. yes, I am running JACK. when i ran: pdextended -channels 4 everything is okay, but when I try to change num of channles from the pd GUI, it segfault then. debug: [paum@bookes ~]$ gdb --args pdextended -nrt -channels 4 GNU gdb (GDB) 7.5.1 Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html > This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-unknown-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /usr/bin/pdextended...(no debugging symbols found)...done. (gdb) run Starting program: /usr/bin/pdextended -nrt -channels 4 warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7ffff7ffa000 warning: Could not load shared library symbols for linux-vdso.so.1. Do you need "set solib-search-path" or "set sysroot"? [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". [New Thread 0x7ffff7fba700 (LWP 2249)] [New Thread 0x7ffff7f39700 (LWP 2250)] [New Thread 0x7ffff7eb8700 (LWP 2251)] [New Thread 0x7ffff53d6700 (LWP 2252)] [Thread 0x7ffff7eb8700 (LWP 2251) exited] [Thread 0x7ffff7f39700 (LWP 2250) exited] [Thread 0x7ffff7fba700 (LWP 2249) exited] [New Thread 0x7ffff7fba700 (LWP 2253)] [New Thread 0x7ffff7f39700 (LWP 2254)] [New Thread 0x7ffff7eb8700 (LWP 2255)] Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7ffff7eb8700 (LWP 2255)] 0x00000000004685f5 in ?? () (gdb) bt #0 0x00000000004685f5 in ?? () #1 0x00007ffff6f83cac in ?? () from /usr/lib/libjack.so.0 #2 0x00007ffff6f83bb4 in ?? () from /usr/lib/libjack.so.0 #3 0x00007ffff6f81aab in ?? () from /usr/lib/libjack.so.0 #4 0x00007ffff6fa0ebc in ?? () from /usr/lib/libjack.so.0 #5 0x00007ffff78c8dd2 in start_thread () from /usr/lib/libpthread.so.0 #6 0x00007ffff6ca3ced in clone () from /usr/lib/libc.so.6 (gdb) fero.

1 0

RPI Raspian - Hard/soft floating point best for Pd?
by Julian Brooks 11 Apr '13

11 Apr '13

Hi all, I'm about to install a fresh raspian and came across the hard/soft float thing. My understanding is that hard float is faster but only some software make use of it. Any gains to be made for Pd with hard float? Cheers, Julian

1 1

Re: [PD] Sensors GPIO Raspberry Pi Pd
by Martin Peach 11 Apr '13

11 Apr '13

On 2013-04-11 14:24, Julian Brooks wrote: > Hey Martin / list, > > Finally got all the stuff and ... > > It’s not working! > > We spent the day soldering cables and connecting stuff up as per the > Omron ‘App Note 01’ spec sheet. > > Started off super-conservative using the I2C level converter (case 3 > page 4) http://www.adafruit.com/products/757#Blog/Flickr > > We tried resistors on both sides (being super paranoid!) and then we > took the low (Pi) side ones off. > > We then moved on to case 2 page 3 of this same document… > > At each stage we checked with “I2Cdetect –Y 1” and nothing was visible. > > The grid shows no attached devices every time we run it. > > We re-booted at every stage following the various online > tutorials/methods of setting up I2C GPIO on the Pi (checked & double > checked). > > > As you can see we’re using a pi protoplate: > > https://www.adafruit.com/products/801 > > In the photo I’ve attached the cables are coded as follows: > > Orange GND > > Yellow 5v > > Blue SCL > > Green SDA > > The white is also 5v for the pull up resistors. > > The resistor values are 4.7k btw. > > We have tested the cable that terminates at the sensor and all that is OK. > > I put a multimeter on the GND and SDA solder points on the sensor itself > and got 3.7v… > > I put a multimeter on the GND and SCL solder points on the sensor itself > and got 0.0v… > If you have pullup resistors you should get the same 3.7V on SCL (with it switched on and not running any code), so probably your pin isn't connected somewhere. Martin

2 1

BUG more than 2 output/input chanells -> segfaults
by Fero Kiraly 11 Apr '13

11 Apr '13

Hi friends, Here pd-extended 0.43.4 in archlinux. When I try to set more channels than 2 it segfaults. it is working to you ? its problem on my side ? thanks. fero

2 1

PD-ext fails to connect to alsa-midi on startup...
by Raphael Raccuia 11 Apr '13

11 Apr '13

Hi, I have to re-configure to alsa-midi everytime I launch pd-ext. anybody has the same issue? (0.43from repo) thank you r

1 0

best way to play (long) 24-channel wav file in pd
by Matthias Blau 11 Apr '13

11 Apr '13

Hello list, I want to play a 24-channel wav file in pd. It is rather big (several minutes), such that pre-loading the data into tables will probably not work (have to check that though). I tried zexy/sfplay but it seems to be limited to 8 channels. In the final application, we want to use a set of 48 FIR filters (each 512 taps long) to downmix the 24 channels to 2 outputs. Any suggestions? Thanks Matthias

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Pd-list April 2013