Pd-list April 2005

pd-list@lists.iem.at

141 participants
255 discussions

Re: [PD] [datastruct] calculations inside drawing instructions
by federico 09 Apr '05

09 Apr '05

>Perhaps you want to compare your solution to the datastruct adsr >envelope which is in Frank Barknecht s data structures tutorial: >http://puredata.info/community/projects/convention04/lectures/tk-barknecht/… >it s file 18-tut.pd, and you have to have grob-library.pd open > > i looked at that patch, but it is not so good... really it allows you to set more parameters than needed. for now i got working a representation of A,D,S,R values with datastruct: http://xaero.ath.cx/cms/data/pd/dstruct_adsr_fix2.pd but this task is pretty useless. the useful part of datastructures is that the user manipulate the vector *directly*. but it is a harder work to let the user modify the adsr graph and keep the structure "tidy" (for tidy i mean: when the user drag the attack time, the patch has to set decay=attack_x+previous_decay_x-previous_attack_x, release=attack_x+... and so on...) here i notice the absence of separation between model's data and view's data (did you ever hear about MVC concept?). practically: the view part (V) shows some values, but the model part (M) keep other values. in addiction: the V part translate user input (on itself) into values suitable for data, and viceversa, when model's data changes, the view updates itself. if [drawpolygon] (and other drawing instructions) could (should!) do calculations inside them, this part would be done automagically. just for a structure like this, it is a pain in the ass maintain M and V in sync. (i can't still make a full working example). imagine yourself what could happen with a more complex structure. in addition, having model separate from view, allows you to have many views that belongs to one data-structure, and this is good. sorry if the tone of my post sounds surly, it is not my intention. i think my english is not so good too :) -- Federico

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Connecting a PC with a Mac for sending data
by enrique franco 08 Apr '05

08 Apr '05

Hi, I am working on a multimedia project and I need to connect a PC and a MAC for processing Gem and PD patches. I want to control Gem with one computer and audio with the other. I have a PC winxp and an Imac G5 with macosx 10.3.7. I would like to use the netsend & netreceive objects. My questions are: Can I connect the computers via ethertnet? How? What do I need to do to setup the ports and IP addresses? I will appreciate your help, Thanks, Enrique

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outlets with lists
by Florian Grond 08 Apr '05

08 Apr '05

Thanks for help, I found the following solution: t_atom t[4]; SETFLOAT(&(t[0]),2); SETFLOAT(&(t[1]),3); SETFLOAT(&(t[2]),5); SETFLOAT(&(t[3]),7); outlet_anything(x->my_out,gensym("list"),4,t);

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Re: [PD] A Clearable Delay Object?
by saint 08 Apr '05

08 Apr '05

> Have you could tried setting the delread~ time and > any feedaback you > have to 0 with a message? > > Jamie i have tried that although the delay buffer still seems to need the full looptime to clear its contents. i will try tabwrite~ i think thanks kyle... Send instant messages to your online friends http://uk.messenger.yahoo.com

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outlets with lists
by Florian Grond 08 Apr '05

08 Apr '05

Dear List, I' ve managed to program simple objects for pd so far where inlets and outlets were only scalars. But the amount of numbers I want to send out increased and it makes no sense to have for everything an outlet: Could anybody briefly tell me how to output a list through an outlet, say a list, containing three floats. In particular, how to I have to change these lines? x->list_out = outlet_new(&x->x_obj, &s_???????????????); outlet_???????(x->list_out, x->???????????); A quick reply would be very appreciated, Thanks, Florian

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big high quality video files in pdp.
by Tom Dunstan 08 Apr '05

08 Apr '05

any clues as to how i can achieve some high quality movie files in PDP other than .jpeg photo. i have found that Jpeg photo seems to be quite grainy and uses alot of juice with larger dimensions. are there any encoding options that i may have missed. could someone point in this direction. thanks -- Tom Dunstan tdunstan(a)fastmail.fm

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[datastruct] calculations inside drawing instructions
by Bernhard Neugebauer 08 Apr '05

08 Apr '05

>>> federico <xaero(a)inwind.it> 05.04.05 18.48 >>> after getting to work the array version of my multipoint-envelope, i want to create a classic ADSR envelope, without using arrays. i created a datastruct with fields: x, y, a, d, s, r it is drawed with: [drawpolygon 700 2 0 0 a -100 d s r 0] [...] {0,0} {a,-100} {a+d,s} {a+d+r,0} -------------------------------- Hello, I don t know an easier way to do this than to define [drawpolygon 700 2 0 0 a -100 x1 s x2 0] and to compute x1=a+d x2=a+d+r somewhere else in the patch. Perhaps you want to compare your solution to the datastruct adsr envelope which is in Frank Barknecht s data structures tutorial: http://puredata.info/community/projects/convention04/lectures/tk-barknecht/… it s file 18-tut.pd, and you have to have grob-library.pd open Bye Bernhard

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devel, jack & callback-based scheduling
by Tim Blechmann 08 Apr '05

08 Apr '05

hi all ... i added callback-based scheduling for jack to devel and tweaked the sleepgrain to allow lower latencies ... please test ... thanks ... tim -- mailto:TimBlechmann@gmx.de ICQ: 96771783 http://www.mokabar.tk latest mp3: kMW.mp3 http://mattin.org/mp3.html latest cd: Goh Lee Kwang & Tim Blechmann: Drone http://www.geocities.com/gohleekwangtimblechmannduo/ After one look at this planet any visitor from outer space would say "I want to see the manager." William S. Burroughs

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Gridflow linux installation error
by slimboyfatboyslim 08 Apr '05

08 Apr '05

hi, when I compile gridflow, I've got output g++ -Ibundled/pd -lm -Wl,--whole-archive /usr/lib/libruby1.8-static.a -lpthread -ldl -lcrypt -lm -Wl,--no-whole-archive -rdynamic -shared -fPIC -Wall -g -O2 -fPIC -I/Applications/Pd.app/Contents/Resources/include -I/sw/include -I/usr/local/include -I/include -xc++ -fno-operator-names -fno-omit-frame-pointer -I/usr/X11R6/include -I /usr/lib/ruby/1.8/i386-linux -falign-functions=4 -mcpu=pentium -march=pentium -Wall -Wno-unused -O3 -funroll-loops -fno-omit-frame-pointer -g -fPIC \ bridge/puredata.c -xnone -o gridflow.pd_linux /tmp/ccWvS2Na.o(.text+0x30): In function `rb_funcall_rescue': bridge/puredata.c:270: multiple definition of `rb_funcall_rescue' /usr/lib/libruby1.8-static.a(eval.o)(.text+0xb413): first defined here /usr/bin/ld: Warning: size of symbol `rb_funcall_rescue' changed from 274 in /usr/lib/libruby1.8-static.a(eval.o) to 289 in /tmp/ccWvS2Na.o collect2: ld returned 1 exit status make: *** [gridflow.pd_linux] Error 1 Anyone get same error? I've got ruby1.8 -- slimboyfatboyslim htttp://www.slimboyfatboyslim.org

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cvs question
by Georg Holzmann 08 Apr '05

08 Apr '05

Hallo! I have following cvs problem: Everytime I try to checkout the whole sources I get following error: U grill/vasp/max/vasp.mean? cvs [update aborted]: cannot rename file .new.vasp.mean to vasp.mean?: Invalid argument So is there a possibility, that I do not get this error (because then I have to checkout all the following files manually ...:( Thanks, LG Georg

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Pd-list April 2005