Pd-list February 2000

pd-list@lists.iem.at

28 participants
26 discussions

win9x windows slow refresh rate
by Raffaele Turra 01 Mar '00

01 Mar '00

Hi everybody! i'm still moving first steps in pd (yet reading manuals!!). By now it runs on a celly433, 128MB ram and win98 first ed. (but i'm installing WinNT) i notice that the system running PD is very slow in refreshing windows, at least slower than running other r/t audio softwares. Is it due to the architecture of pd (eg. audio computations made higher in hierarchy than graphical ones, or similar)? Thx in advance L�rd2��T3R

4 4

Bad Host
by Juan Reyes 25 Feb '00

25 Feb '00

Hello All, I succesfully runned PD on redHat 6.0, with a Sound Blaster, no troble and it has worked fine for a while. For that reason I decided to give it try to the same version on my Laptop although running redhat 6.1, with OSS drivers and ESS Maestro soundcard and I am not having the same luck. PD seems to load but I get the Bad Host Message. I would appreciate some assistance to find out what is going on. I apologize i f this issue has been posted before. Thank you all Juan

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Sound Card (Linux)
by Peter Lunden 25 Feb '00

25 Feb '00

Hi, I'm going to put together a Linux PC for running PD with at least 9 channels of output. Is there anyone who has experience with a good sound card for this purpose. I've tougth of M-Audio Delta-1010, Sonorus Soundi/o or RME DIG9632 Hammerfall. Best wishes, Peter Lunden Interactive Institute Box 24 081 S-104 50 STOCKHOLM Sweden

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Computer Musical Journals
by godpup＠ix.netcom.com 24 Feb '00

24 Feb '00

could someone be so kind as to list all the major 'academic' computer music journals? (or links...) i'd greatly appreciate it. cheers, christian.adam.hresko. :btw, anyone on this list using SC? james has implemented tcp support and transmission of SC 'packets' i know oswald must be interested in this...

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binary shift
by x7 24 Feb '00

24 Feb '00

hey i m missing the << + >> objex or am i missing something? -- >-x<.<.o³o³!!- 20399.17777__¢ø¢ø:=:=.²²

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None
by integer＠www.god-emil.dk 24 Feb '00

24 Feb '00

Jeff Mann <jefman(a)utcc.utoronto.ca> >I don't know! not 2 knou + 2 `th!nk` 1 != knou = keepz 1 4rom mak!ng 1 error error = mark ov dze h!gher organ!zm >It's designed to be used with short pulses to trigger MIDI >notes. non.non.non. !t = dez!gnd 2 b tr!grd b! l!v vegetaz!on l!zten!ng 2 0+n bach koncerto. !t = dusz `m!` l!terar! verkz = born auss! = dze vegetaz!on = d!ktatez dze uatr temperatur. ud u l!ke 2 purchasz dzm +? = $150000. aprez = shal purchasz addtl vegetaz!on + du = ma! uandr through dze fol!aj. >As I understand it (I haven't used a D4, only watched someone >else), you set a "threshold" level. A voltage above this minimum level >will trigger a note-on, with higher velocity values for larger voltages. >So it probably won't do what you want if you are trying to use a sensor >with slowly-changing signals. What are you trying to accomplish, >exactly? I'm sure it doesn't have a mode to send continuous-controller >MIDI messages for example. vaz me!nzt du `continuous` +? = s!nsz uen = d!g!tl kont!nouz = 4 d!sz `continuous r!zn` = kould konzum>g!glb!tz at korporat fasc!zt `!nterval korporaz!on` patent apropoz zkand z!ntez!z = dze ganze velt = zkand = modl c!t!znz = ultra zkand >Well, let us know if you try it out... vaz me!nz du `us` anvort -> `us` = slowly-changing signals | |9| [p-un_kT-pr_o-Tk_oL] Ø f Ø Ø Ø 3 | herausgegeben vøm !nternat!onalen !nst!tut f:ur ordnung |+| d!sz!pl!n : / / m9ndfukc.com e | | +---------- | | \\----------------+ | | e

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Linux $DISPLAY problems
by Ian Knopke 23 Feb '00

23 Feb '00

I'm having a little trouble here... Just installed a new version of Linux recently and now I'm trying to get PD working again. I'm using a recent copy of Linux-Mandrake with a Soundblaster Live card. Sound and MIDI both work using independent programs. If I start PD from within X-windows it works but no sound or MIDI. If I attempt to start it from a command line I get an error that looks something like the following: Application Initialization Failed: no display name and $DISPLAY not set When I went through the installation routine my monitor choice was not available so I chose the custom option and filled in my own values (which seem to work fine). The DISPLAY variable is not present in my env. My guess is that PD is looking for the DISPLAY variable to be set to something in the .bashrc or .bash_profile files which the custom option didn't add, but I don't know enough about the internal workings of Linux to determine what or where this should be set exactly. Haven't found any documentation on how these files are set up either. GEM is not installed yet. Does anyone know how to fix this? Do I have to change something in the make files and re-compile PD (although it seems like a Linux problem not a PD problem)? I'd really hate to switch back to the Windows version... Ian Knopke iknopk(a)po-box.mcgill.ca

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Fw: pd book?
by James Rojsirivat 21 Feb '00

21 Feb '00

i think he meant to post this on the pd-list. james p.s. ross, try looking at the examples in the <doc> folder. i think that's how most people learn to use this program (and MAX). at least that's how i've been doing it. also, there is a <manual> folder for both pd and gem. ----- Original Message ----- From: Ross To: James Rojsirivat Sent: Sunday, February 20, 2000 9:48 PM Subject: Re: pd book? Hi all is ther a book available to teach me pd......i have only got as far as audio resync lines apearing..ahh win98 !! ross

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RE: texturing video onto rectangular area
by Mark Danks 21 Feb '00

21 Feb '00

The comments that Hannes says here are correct. Make certain that you do not confuse image texels and screen pixels or world coordinates. They do not have anything in common really. The "best way", at least right now, is to use polygon with the pix_coordinate object. pix_coordinate lets you set the texture coordinates explicitly for each vertex. You will use (0,0), (1,0), (0,1), and (1,1) (not sure about the order, depends on how you set up polygon). There is a help file for pix_coordinate. The default texture behavior for polygon is a little strange. I had assumed that people would set their own texture coordinates. Sounds like GEM needs a rectangle object... For the "case" issues, try route. Later, Mark ============================ = mdanks(a)stormfront.com = http://www.danks.org/mark ============================ > -----Original Message----- > From: umläute [mailto:zmoelnig@iem.mhsg.ac.at] > Sent: Monday, February 21, 2000 2:36 AM > To: pd-list > Subject: Re: texturing video onto rectangular area > > > > James Rojsirivat wrote: > > > > hello, > > > > i'm working on a project and need some advice. in the gem_movie.pd, > > the example has the movie file textured onto the <cube> > object...in a > > version of the same project i'm working on, i used the > <square> object > > onto which my file is textured. However, ideally, i'd like > the movie > > to retain its shape. in the current version i'm working on, i have > > the <pix_movie> object connected to a <polygon> with an argument > > of <4>. the x y z coordinates are assigned so that z = 0. the > > problem is that when i render, i can't get anything to show > up on the > > screen. what am i doing wrong? i'm including the video section of > > the program. any help is greatly appreciated. > > i think the way you are treating coordinates is a little bit > confused... > in your demo you create a window that is sized 600*400 PIXELS. > then you are using these numbers (600, 400) as arguments for your > polygon, which will definitely produce something you don't want (ever > tried tor create a square with a dimension of 600 ? - a little bit > huge...i will mostly use sizes of 1 to 4) > when you change the points of your polygon to range below 10 (scale it > by 1/200 that's 3 for 600, 2 for 400) you will (hopefully, though i am > not very sure) get what you want > > > > also, is there a way to create a CASE like statement in pd? > i'm using > > <moses> at the moment, and it seems awfully clunky. > > > > > > james > > that was bothering me too, but i do think there are elegant solutions > using relational-operators (in the case of an exact "case" just use > "==") and "select" > > mfg.fd.ras > hannes >

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Re: texturing video onto rectangular area
by unknown＠example.com 21 Feb '00

21 Feb '00

> James Rojsirivat wrote: > > hello, > > i'm working on a project and need some advice. in the gem_movie.pd, > the example has the movie file textured onto the <cube> object...in a > version of the same project i'm working on, i used the <square> object > onto which my file is textured. However, ideally, i'd like the movie > to retain its shape. in the current version i'm working on, i have > the <pix_movie> object connected to a <polygon> with an argument > of <4>. the x y z coordinates are assigned so that z = 0. the > problem is that when i render, i can't get anything to show up on the > screen. what am i doing wrong? i'm including the video section of > the program. any help is greatly appreciated. i think the way you are treating coordinates is a little bit confused... in your demo you create a window that is sized 600*400 PIXELS. then you are using these numbers (600, 400) as arguments for your polygon, which will definitely produce something you don't want (ever tried tor create a square with a dimension of 600 ? - a little bit huge...i will mostly use sizes of 1 to 4) when you change the points of your polygon to range below 10 (scale it by 1/200 that's 3 for 600, 2 for 400) you will (hopefully, though i am not very sure) get what you want > also, is there a way to create a CASE like statement in pd? i'm using > <moses> at the moment, and it seems awfully clunky. > > > james that was bothering me too, but i do think there are elegant solutions using relational-operators (in the case of an exact "case" just use "==") and "select" mfg.fd.ras hannes

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Pd-list February 2000