Pd-list November 2007

pd-list@lists.iem.at

135 participants
250 discussions

mouse xy in relation to a square
by olsen wolf 13 Nov '07

13 Nov '07

salü anyone knows if there's an object that could give me the mouse xy coordinates in relation to a square e.g. canvas?! i think i saw this once somewhere in pd-space but i haven't been able to refract my telescope so far... thanks & salutis olsen -- Planet Pluto bleibt!

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Re: [PD] GUI speed test
by robbert van hulzen 13 Nov '07

13 Nov '07

hope it's still of use, here are the results on my machine: when opening big_ugly_patch.pd on pd-0.40.3-extended-20071111 REALTIME: 44.196 REALTIME: 20.901 REALTIME: 20.755 REALTIME: 20.892 on pd-0.40.3-extended-20071011 REALTIME: 37.788 REALTIME: 21.783 REALTIME: 20.706 REALTIME: 21.802 on Pd-0.40.2-extended-2007-03-18 REALTIME: 54.551 REALTIME: 10.755 REALTIME: 10.603 REALTIME: 10.647 and when i did it again after restarting pd REALTIME: 10.918 REALTIME: 10.921 REALTIME: 11.542 REALTIME: 10.855 and when i did it again after restarting the computer REALTIME: 68.318 REALTIME: 10.852 REALTIME: 10.815 REALTIME: 21.318 cheers, robbert -- mac osx 10.4.8, 15" G4 PB 1.67 GHz, 1 GB ram

1 0

console at startup
by robbert van hulzen 13 Nov '07

13 Nov '07

hi all & hc in particular, is there / would it be possible to include a startup flag to show the console window immediately? it's nice to have the option to switch it off, but i use it all the time and would like the possibility to just have it open from the beginning. cheers, robbert -- pd-0.40.3-extended-20071111 mac osx 10.4.8, 15" G4 PB 1.67 GHz, 1 GB ram

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Multiple videos on different Screens with gem
by Robert Gruendler 13 Nov '07

13 Nov '07

Hi all, i'm having a setup with 4 projectors connected to a win xp box and would need to play 4 different videos at the same time (one on each screen). I've already searched the mailing list, and found some information about a cvs version of gem that supports multiple gemwins. The version of gem i'm using is 0.91-cvs (the one coming with the latest pd-extended), but it seems i can't create multiple windows. When i try to create a second gemwin, i'm getting "error: GEM: gemwin: window already made". Is there a way to accomplish this without opening several instances of pd ? thanks for your help, -robert

4 5

Re: [PD] gem in fullscreen
by simon wise 13 Nov '07

13 Nov '07

mario (note that using this list you need to 'reply all' to respond to the list, if you just 'reply' you send to the individual who sent the mail) On 13 Nov 2007, at 1:27 PM, Mario Mora wrote: > i 'm using linux (ubuntu studio and fedora) i need to change > colours , graphical objects, movement and different inputs from > sound sources you can use [hid] or [hidio] for USB input from mouse, keyboard or many USB devices you can use MIDI devices such as control surfaces with the midi pd objects you can use [gemkeyboard] or [gemmouse] for the system mouse and keyboard input when the gem window has focus you can use a second computer on a network running pd with a GUI interface and connect using [netsend]/[netrecieve] or one of the other net objects like the OSC ones you could build your own interface using something like the arudino you could devise ways for pd to respond to the audio inputs at least these are the ways I have done things, but there are many other possibilities simon

3 3

GUI speed test
by Hans-Christoph Steiner 13 Nov '07

13 Nov '07

I devised a quick test of loading speed and did some quick comparisons on my MacBook Pro 2.4GHz. (I am used to having one of the slowest machines around, my old 800Mhz Powerbook, so I still have to readjust my thinking). Here's my times: 14ms Pd-0.39.3-extended 6.5ms Pd-0.40-2 vanilla 16ms Pd-0.40.3-extended-20071111 So on the face of it, it looks like really large time differences. Percentage-wise it is a large difference, but perceptually, waiting 7ms vs. 16ms for something to load is not at all meaningful. No human could tell the difference in the experience unless you were generating sounds and visuals based on the opening and closing of the patch. This is, of course, on a fast machine. 300ms vs 800ms would be a big perceptual difference, basically it would be the feeling of opening quick versus a wait. I'd be interested to see how this fares on other machines and OSes. I attached the patches .hc ------------------------------------------------------------------------ ---- Access to computers should be unlimited and total. - the hacker ethic

10 15

dynamic/live array sizing according to sample lengths
by Ben Carney 13 Nov '07

13 Nov '07

I have attatched the patch illustrating this technique as a text file, I would love to hear feedback, maybe I have done it a more difficult way? any comment s wouold be awesome as I have been racking my brain with this for quite sometime and am overjoyed to have found the answer, (thanks once again Rodrigo) patch starts below _______________________________________________ #N canvas 299 350 976 762 10; #X msg 257 225 \; \$1 resize \$2; #X obj 257 203 pack s f; #X obj 257 132 bng 15 250 50 0 empty empty empty 0 -6 0 10 -262144 -1 -1; #X obj 258 158 pack \$0 f; #X obj 310 26 r num; #X floatatom 306 61 10 0 0 0 - - -; #X obj 218 36 r samplebang; #X obj 38 35 openpanel; #X obj 100 97 table array1; #X obj 38 136 soundfiler; #X obj 82 57 loadbang; #X obj 38 97 pack s f; #X obj 83 76 f \$0; #X floatatom 44 186 10 0 0 0 - - -; #X obj 38 13 bng 15 250 50 0 empty empty empty 0 -6 0 10 -262144 -1 -1; #X msg 39 117 read -resize \$1 array1; #X obj 47 235 s num; #X msg 257 179 \$1-livetable \$2; #X obj 180 385 dac~; #X obj 181 321 bng 15 250 50 0 empty empty empty 0 -6 0 10 -262144 -1 -1; #X obj 181 361 tabplay~ array1; #X obj 245 326 s samplebang; #X obj 118 204 s num; #X obj 386 178 table \$0-livetable; #X text 791 721 ben carney 2007; #X text 746 734 with help from Rodrigo Trevino-Frenk; #X text 93 505 so \, this patch doesn'r really sound particularly interesting as it is just a glorified sample player. infact \, the table "$0- live table" doesnt even have any audio functionality at this point \, In a seperate \, more complex patch \, it could be fed another sample \, this is the only way I have found to dynamically resize the array according to the sound file being fed to the array. all thanks to the soundfiler object being able to output the number of samples in a sound file.; #X text 615 27 open up livetable's properties and watch the length of the array as a new sample is fed into array1 \, once the sample is played in the lowermost bang \, the live table is resized to match the size of the sample exactly.; #X obj 610 316 cnv 15 100 60 empty empty empty 20 12 0 14 -233017 -66577 0; #X connect 1 0 0 0; #X connect 2 0 3 0; #X connect 3 0 17 0; #X connect 4 0 5 0; #X connect 5 0 3 1; #X connect 6 0 2 0; #X connect 6 0 5 0; #X connect 7 0 11 0; #X connect 9 0 13 0; #X connect 10 0 12 0; #X connect 11 0 15 0; #X connect 12 0 11 1; #X connect 13 0 16 0; #X connect 13 0 22 0; #X connect 14 0 7 0; #X connect 15 0 9 0; #X connect 17 0 1 0; #X connect 19 0 20 0; #X connect 19 0 21 0; #X connect 20 0 18 0;

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Re: [PD] Growing patch-window size (Was:Re: changing the look of Pd to be more readable)
by simon wise 13 Nov '07

13 Nov '07

On 13 Nov 2007, at 2:02 PM, Hans-Christoph Steiner wrote: > The 2007-11-05 ones are marked as 04 because it got messed up with > daylight savings time change. But it is a different build, and it > has key differences from 2007-11-06... 07/11/05 has the bad behavior - it redraws everything like 07/11/06 the problem is between 11/04 and 11/05 (which is also the day the .app got 20MB bigger) simon

1 0

Re: [PD] Pd and gpgpu (marius schebella)
by Julian Villegas 13 Nov '07

13 Nov '07

Thank you Marius, Do I need to use GEM? I'm not doing anything with video, or graphics, I'm working only with audio. What I'd like to do in a first stage is to send to the GPU a set of data (harmonic peaks from live signals) and do some calculations there, then read back that into the program and proceed according to the results. In a second stage, the FFT and the spectral analyis could be performed there too. Chris mentioned that latency might be an issue since reading data from the GPU is slow, I don't know much about it but I think it shouldn't be since many cards can (and in fact must) use the main memory, so reading from memory should be as fast as it is when I read it with the CPU. Also, I'm working in Mac OS 10.5, using Miller's version of Pd. Have you have any problems with Leopard and your patches? Thank you again, and I'll read the patches you post to see if I can get more ideas from them... __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

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Re: [PD] Resizing an array according do size of sound file(FIXED)
by Ben Carney 13 Nov '07

13 Nov '07

fantastic, the power of the pd list. I took Rodrigo's suggestion and made a few modifications according to my patch and have the functionality that i was looking for. with a few modifications, I got the functionality i was striving for, brilliant and simple, just how it should be. if anyone is interested, i could post the patch THANK YOU THANK YOU -Ben

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Pd-list November 2007