Pd-list March 2008

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150 participants
274 discussions

gem vertex
by marius schebella 21 Mar '08

21 Mar '08

hi, there is a vertex folder within gem src (hans pointed me to it), and it compiles, but I am not sure if the objects are working? I can create them, but handling and syntax seems not quite clear to me. is this in development? marius.

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csoundapi for macosx
by punchik punchik 21 Mar '08

21 Mar '08

hello, do anybody know where can i get csoundapi compiled for macosx - intel? thanks p --------------------------------- Never miss a thing. Make Yahoo your homepage.

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HID: Am I doing this right?
by Mike McGonagle 21 Mar '08

21 Mar '08

Hans (or anyone), After reading several comments on the Alternate Controller thread, I figured that I would try to use the [hid] stuff... but, as the stuff in the Extended (most recent nightly build) is kind of broken. While the [hid] object is, itself, in the 'extra' directory, everything else is in a subfolder called 'hid'. So, in trying to use the [keyboard] help patch, it comes up with [keyboard] as not being found, so I rename that object to [hid/keyboard], and it creates the object. So, it would appear that I can create an object in my patches, but I can't seem to quite figure out how to get stuff out of the [keyboard] abstraction. I opened the help patch (and after renaming the object), I start it polling, and don't seem to get anything. I am running a Mac OS X PPC 10.4.11 system, if that is important... I would like to try to set up a keyboard layout that allows me to use specific keys to select a particular parameter to control, and then be able to change that value either by moving the mouse, or by using (possibly) the arrow (up/down) to change the value. Mike -- Peace may sound simple—one beautiful word— but it requires everything we have, every quality, every strength, every dream, every high ideal. —Yehudi Menuhin (1916–1999), musician

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Re: [PD] I'm stuck in a corner, please help! RE: [delta~] object
by cyrille henry 21 Mar '08

21 Mar '08

Andy Farnell a Ã©crit : > Doesn't quite work. If you try it with 1/sr in place of [z~] in a patch that's > sensitive to it the results are wrong . Not sure why. > this is strange. look at my exemple, it show that it should work. (1 signal is delayed with z~ and with delread/write; diference of both is pure silence) Could you send the patch you tested? cyrille > andy > > On Fri, 21 Mar 2008 09:55:27 +0100 > cyrille henry <cyrille.henry(a)la-kitchen.fr> wrote: > >> hello, >> i think it's quite simple to emulate z~ with a simple delread~ / delwrite~. >> >> >> cyrille >> >> Andy Farnell a Ã©crit : >>> I have a problem, that is partly of my own making and need to air >>> this on the list for advice. This isn't a rant, just a frustrating situation. >>> >>> As some of you know I have been working on a textbook for Pd for some time. >>> In the final stages and adding the practical exercises and the problem is this: >>> >>> >>> The book is completely for vanilla Pd to keep things simple and I really don't >>> want to change this. >>> >>> I have three crucial exercises that use [delta~] >>> >>> [delta~] does not exist in vanilla Pd >>> >>> [delta~] must be recreated _EXACTLY_ as the external behaves. >>> >>> It IS possible to recreate [delta~] exactly using [z~] >>> >>> [z~] does not exist in vanilla >>> >>> It is not, as far as I can see, possible to emulate [delta~] using >>> [rzero~] or any other signal domain method, in a way that doesn't >>> confuse the hell out of the reader or provide unsatisfactory results. >>> >>> I am left with these options: >>> >>> >>> 1) Drop three of the most interesting exercises from the textbook. >>> >>> 2) Change my policy and make the textbook require pd-extended on account of >>> only _one_ object! >>> >>> 3) Find a vanilla replacement for [delta~] that is simple. (less than three objects) >>> >>> 4) Convince Miller to include [delta~] in vanilla >>> >>> 5) Convince Miller to include [z~] in vanilla >>> >>> >>> To the list: I'm hoping some bright spark will solve (3). Be warned, it isn't as >>> simple as it seems, AFAICS. [rzero~] should provide a differentiator response in >>> theory. In practice dealing with the offsets and scales ruins the whole show and >>> leads to over-complex and unstable patches. Using [biquad~] is extremely confusing >>> to most readers and I don't want to do this. You cannot obtain a single sample delay >>> using [delwrite~] as far as I know, if you can it certainly means [samplerate~] must >>> be added to all patches to make sure they run at different sr, which is mucho annoying. >>> >>> To Miller: Please consider admitting [z~] or [delta~] (I actually prefer the former >>> because it is more educational to see differentiator built from sample delay) >>> into the vanilla distro. This would need to be time for release quite soon. I'm sure >>> it would greatly benefit Pd to do this. >>> >>> Best regards 2 all, >>> >>> Andy >>> >>> >>> >>> >>> >>> >>> >>> >>> > >

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pix_yuv get blue spots with pix_buffer
by Peter Forde 21 Mar '08

21 Mar '08

I'm using PD 0.38.4 on windows XP. I am storing a large amount of images in pix_buffer from a camera input. When I keep them in rgba the computer will not cope with it all and crashes so YUV seems to be the best solution and it works. Unfotunately when I change it to yuv through [pix_yuv] or [colorspace yuv( I get lots of blue dots where it is dark. Does anyone know how this might be happening.and what might solve it. I saw in other threads there could be problems with the codecs but since I am using pix_buffer there should not be a codec. Any idea? Thanks _________________________________________________________________ Helping your favorite cause is as easy as instant messaging. You IM, we give. http://im.live.com/Messenger/IM/Home/?source=text_hotmail_join

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Re: [PD] Guitar Heroes controller
by James Rojsirivat 21 Mar '08

21 Mar '08

An update: I was able to get the Guitar Heroes controller to work under OS X. From the post on Joystiq, they couldn't get the Xbox X-plorer controller that comes with the PC/Mac version to work under OS X either. They were using it with Fret on Fire. OS X sees the device but it will not work. This was my experience as well. I had to install the Xbox 360 Controller driver (http://tattiebogle.net/index.php/ProjectRoot/Xbox360Controller/OsxDriver) and after setting that up, [hid] recognizes the device. I was able to test it, and everything is reading perfectly. So have fun with your Guitar Heroes controller. I know I will. James *************************************************** astroboy2520 Visit my blogs: http://triphop-universe.blogspot.com http://videokilledtheradiostar.vox.com Myspace: http://www.myspace.com/astroboy2520 Skype: astroboy2520 MSN: astroboy2520[at]sbcglobal.net **************************************************** ----- Original Message ---- From: Hans-Christoph Steiner <hans(a)eds.org> To: James Rojsirivat <astroboy2520(a)sbcglobal.net> Cc: pd-list(a)iem.at Sent: Sunday, March 16, 2008 9:55:36 AM Subject: Re: [PD] Guitar Heroes controller Send the [print( message to [hid] and then look in the Pd window. You should see the devices it recognizes there. From that you can find the right device number to connect to in order to open that contorller. .hc On Mar 15, 2008, at 8:40 PM, James Rojsirivat wrote: Just an update. Bought PC/Mac version of Guitar Heroes III today. Looks like the controller is an Xbox 360 version since the logo is smack on there. Can't seem to get it recognized with [hid] on OS X, but was able to get hidin help patch to recognize it. a bit of garbage in the information it was spitting out, but the main buttons work nicely. Any idea why OS X pd extended is not recognizing the device? Maybe I'm not setting it up correctly. James *************************************************** astroboy2520 Visit my blogs: http://triphop-universe.blogspot.com http://videokilledtheradiostar.vox.com Myspace: http://www.myspace.com/astroboy2520 Skype: astroboy2520 MSN: astroboy2520[at]sbcglobal.net **************************************************** ----- Original Message ---- From: Hans-Christoph Steiner <pdgsocmentor(a)gmail.com> To: Hans-Christoph Steiner <hans(a)eds.org> Cc: Derek Holzer <derek(a)umatic.nl>; James Rojsirivat <astroboy2520(a)sbcglobal.net>; pd-list(a)iem.at Sent: Wednesday, March 12, 2008 7:54:49 PM Subject: Re: [PD] Guitar Heroes controller I found something on this page about Guitar Hero + Max/MSP. He says the Xbox version works fine with a computer while the PS2 version needs an adapter. The adapter looks like it is for adapting a different plug type, though, not for plugging in a USB PS2 controller. http://theguitarzeros.com/download_fretbuzz.php .hc On Mar 12, 2008, at 10:53 PM, Hans-Christoph Steiner wrote: > > On a related note, I just bought one of these very nice controllers > called a gametrak. It is basically like two 3D joysticks but > instead of sticks, it has strings which you can clip on to things > to track them in 3D. The cheesy promo video gives you a good idea > of what you can do with it: > > http://www.in2games.uk.com/corporate/press-item.php?pressid=5 > > I used one that Jonas Hielscher let me borrow and I plugged it in > and it just worked with [hid]. I just got the one I ordered, it is > a "PlayStation 2" controller, I am not sure which Jonas' is. But > with mine, it shows up in [hid] fine, but I don't get any data from > it. > > Anyone know, is there something special about PS2 USB controllers? > > .hc > > > On Mar 12, 2008, at 8:12 PM, Derek Holzer wrote: > >> Should just be HID protocol. Check the help patch for the [hid] >> object >> (in Extended or self-compiled) and see what parameters come in. After >> that, enjoy mapping them to something and rock out! >> >> d. >> >> James Rojsirivat wrote: >>> I've seen some developments with the Guitar Heroes controller on >>> Max/MSP. I've been unable to get the one patch I found to really >>> open in >>> PD. I'd love to try to do something with it. Anyone has any >>> experience >>> developing and working with the Mac/PC version of the controller >>> in PD? >>> Any tips would greatly be appreciated. >> >> -- >> derek holzer ::: http://www.umatic.nl ::: http://blog.myspace.com/ >> macumbista >> ---Oblique Strategy # 71: >> "Fill every beat with something" >> >> _______________________________________________ >> PD-list(a)iem.at mailing list >> UNSUBSCRIBE and account-management -> http://lists.puredata.info/ >> listinfo/pd-list > > > > ---------------------------------------------------------------------- > ------ > > There is no way to peace, peace is the way. -A.J. Muste > > _______________________________________________ PD-list(a)iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list ---------------------------------------------------------------------------- I spent 33 years and four months in active military service and during that period I spent most of my time as a high class muscle man for Big Business, for Wall Street and the bankers. - General Smedley Butler

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Why use Lua instead of PHP in my case ?
by Jack 21 Mar '08

21 Mar '08

Hello Claude and Frank, Hello list, I understand that Lua seems powerful but I would like to know if in my case it's more interesting to use Lua instead of PHP. My work consists in recovering datas from the Web and manipulate strings with PHP. Then to store this datas in MySQL database. After what i use another PHP/MySQL script and send datas to PD. Can you give me 3 goods reasons tu use Lua instead of PHP in my case ? (speed, more easy to implement in PD, etc ?). Thanx. ++ Jack

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Alternate Controllers
by Mike McGonagle 21 Mar '08

21 Mar '08

Hello all, Over the past few weeks, I have been looking at building a controller for myself, but was curious what other sorts of things others are doing with alternate controllers. What controllers are you using? How are you using them to control your programs? Has anyone considered putting together an "Alternate Controllers for PD" page? I am just curious if I should build my own, or just use an existing controller... (Also, Hans, the other day you posted about a new controller you have, but I can't find the email... What was that device?) Thanks, Mike -- Peace may sound simple—one beautiful word— but it requires everything we have, every quality, every strength, every dream, every high ideal. —Yehudi Menuhin (1916–1999), musician

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Re: [PD] Google SoC: call for mentors and project ideas
by Daniel Wilcox 21 Mar '08

21 Mar '08

Well, I'm not on OSX, I'm on Ubuntu and I cannot drag a .pd file from the Nautilus file browser in Gnome onto any pd window. I do not really know what is at fault, but as I do this for numerous other applications and file types, I assume its some missing functionality in the pd gui. Correct me if I'm wrong. On 20/03/2008, at 18.52, Daniel Wilcox wrote: > > > I'd like to see drag and drop of pd patches from an OS file browser > > onto pd to open them. > > I'm sure you'r concerned with a specific or any OS not just an OS, > since it works on Mac OS X. Maybe it's work for the "desktop manager" > not the OS? - Just thoughts. > -- Dan Wilcox danomatika www.robotcowboy.com

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Re: [PD] I'm stuck in a corner, please help! RE: [delta~] object
by Andy Farnell 21 Mar '08

21 Mar '08

On Thu, 20 Mar 2008 19:18:21 -0500 "Mike McGonagle" <mjmogo(a)gmail.com> wrote: > By the way, if you are looking for a Proof Reader, I would be more than > happy to offer my services... Mike, I'd certainly appreciate another set of eyes. Breaking up the text into sections for those with particular expertise is the plan. Everyone will be mentioned in the acknowledgements (many of you already are :) Editorial help I would welcome covers; 1) Psychoacoustics chapters 2) Physics and acoustics chapters 3) Puredata chapters 4) Individual practical exercises Currently Frank is helping me with (3), though others are very welcome. The book is not on "Puredata", it is on "Sound Design", but uses Pd (very heavily) as a vehicle to teach the subject. It's a practical textbook. I often use Olson, Cook, Puckette and Benson as references for students to go and find more depth. So, I don't think there will be a section on external building Mike, not in this edition, but thanks for the good idea! The level it's pitched at is really "friendly" and also a bit application agnostic with occasional nods to Max, Csound etc, and principles being the main focus. Towards the end it branches into applications like games audio engines, computer animation soundtracks and interactive installations. Truth be told I've been working like a slave on it and had to miss this years LAC to keep the pace on. A large part of it will be released to the community of course, with some chapters held back for the dead tree version. What I really want to see, so that I can be sure of the _practical_ value to 2nd and 3rd year Mus tech/Comp sound students is that the practicals work. I've thought these through intensely and tried to maintain an excellent standard, thinking about order, pre-requisite concepts, time to complete practicals and their part in a larger context of teaching digital sound. Most encouragingly course leaders who've had a peep say they will use and recommend the text. It really is written with the student in mind, to have as a companion for a final years work in digital sound. If else anyone who uses Pd to teach wants to try going through the practicals in order (beware there are about 30 in 5 categories, idiophonics and dynamics, natural forces, man made objects, lifeforms and abstract sound objects.) then I can send them over one at a time. Folding in changes, freezing and version control is my big headache now, so I want to keep rather precious control over who has what and how I check the changes back in etc. Cheers all! Andy -- Use the source

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Pd-list March 2008