Pd-list August 2004

pd-list@lists.iem.at

113 participants
162 discussions

bugs
by López José Alejandro 25 Aug '04

25 Aug '04

hello. i would like to report some bugs that i have find with GEM under fedora 2. Is this apropiate address to do that? thank you very much.

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Re: [PD] Gem - EPS parser
by IOhannes m zmoelnig 25 Aug '04

25 Aug '04

timon botez wrote: > Scuse my ignorance. Im using the tex-object to build models and as far > as I understand, the text object draws polygons right? How about Gem > objects to OBJ's? The rest I can handle in Alias wavefront... > probably i have sent this mail to tim already; but i have lost it and just for the archives: the problem is a bit subtle. openGL is (to a wide extent) vector-based. Gem is openGL-based. however, Gem does not handle the vectors (vertices, polygons,...) itself (in very special cases it does so). instead, this is done by the openGL-server (which is done by the GPU on modern gfx-cards) e.g, Gem only tells the openGL-server to rotate an "object"; it does not do the calculations itself. openGL is optimized for a one-way connection (meaning: it is fast to send something to the openGL-server; but slow to get information back from the server); furthermore i don't even know, whether it is possible, to get the vector-information before it is passed to the rasterizer (the last stage of rendering: make pixels out of abstract polygons) of course it would be possible to do all the vector-transformations within Gem: this would be slow (as it had to be done on the CPU instead of the optimized GPU); AND this would mean a *lot* of re-programming of things that are already there. the forthcoming vertex-stuff (a starter is already in the CVS) will handle verteces directly in Gem most of the time an object-exporter will most probably make sense here. fmg.as.dr IOhannes

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Debian packages on Sid - missing externals
by Matthias Blau 25 Aug '04

25 Aug '04

Hi I'm using the puredata (0.37.r4-1), pd-externals (20040625-3) and pd-zexy (20040625-2) i386 packages on Sid. It appears that quite many externals (most notably from iemlib and zexy) are not available. Actually, almost all help patches from iemlib and zexy fail because one or more objects aren't there. The same thing applies to the (obsolete) cyclone package. Am I missing something? Thanks for your help, Matthias

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bug(?): send/receive problem with gui elements
by Tim Blechmann 25 Aug '04

25 Aug '04

hi all, i _suppose_ there is a bug in the gui code concerning the send/receives of toggles... i attatched a part of an abstraction that produces this bug ... a |1( message is received, although no |1( message has been sent ... if someone is interested in this behaviour, please check the attached patch / abstraction ... to reproduce the bug to the following: press "diag1_invert" press "vertikal" -> this results a message 0 to both "diag1_invert" and "vertikal" and a message 1 to "mitte_invert" this is ok. but: press "diag1" -> this results a message 1 to "mitte" that results a message 0 to all the other toggles ... this behaviour is definitely wrong, since it should only have this specific behaviour if "vertical" is 1. i traced the sends and receives to the "vertical" toggle and it seems, there is a message |1(, coming from nowhere... (sorry, i'd like to be more detailed, but at the moment, i can't say more) i could reproduce it on devel_0_37 / linux and on win (binary from hcs's latest installer) i hope, someone can test the abstraction (and hopefully figure out, that it's a user bug) cheers.... tim -- Supergünstige DSL-Tarife + WLAN-Router für 0,- EUR* Jetzt zu GMX wechseln und sparen http://www.gmx.net/de/go/dsl

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truncated PD-list digests
by folio.function.modification.implement＠xoxy.net 25 Aug '04

25 Aug '04

I'm finding recent digests being cut off at 8-10 messages recently (the last two weeks). I don't think it's my ISP. Anyone else? __________________________________________________________________ Get Tiscali Broadband From £15:99 http://www.tiscali.co.uk/products/broadbandhome/

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Data structures, symbol fields and drawsymbol
by Frank Barknecht 25 Aug '04

25 Aug '04

Hi, (I'm working on the pd~convention workshop regarding data structures, so excpect some more data structure related questions from me the next time... ;) I'd like to test using symbols as fields in [struct] objects, but I'm getting the impression, that this doesn't work or isn't implemented yet. At least it's not used in the data-structures example patches. Nevertheless the documentation mentions symbols as a possible scalar type to use in structs. I can create a [struct somename symbol s] object just fine. Pd even creates a [drawsymbol s] object which I found by guessing its name. However when I try to create such a template using [append subpatchname s] [append] does not accept a symbol in its first inlet: error: append: no method for 'symbol' It also doesn't want a float in this inlet, which is to be expected though. In fact, it doesn't accept anything anymore. Am I right to assume, that symbol-fields aren't supported yet? Or am I doing something wrong in attached patch? Ciao -- Frank Barknecht _ ______footils.org__

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graceful looping
by David Merrill 24 Aug '04

24 Aug '04

Hey there pd-ers, Has anyone written a patch that will gracefully loop a sample? I have a need to sustain waveforms, and I'm thinking that rather than just re-start the sample when it finishes, it would sound nicer to have a small fade-out section at the end, and overlap that with a fade-in of the beginning of the sample (length of the fading sections could be adjustable). If someone's already done this I'd love to not have to re-invent the wheel! many thanks, David Merrill

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Re: [PD] shared calendar for Pd Conference
by Lex Ein 24 Aug '04

24 Aug '04

On Mon, 23 Aug 2004 16:10:54 -0400, "Hans-Christoph Steiner" <hans(a)eds.org> said: > > I put together an iCal calendar for the Pd Conference, I'll try to keep > it up to date as well. Anyone using Mozilla (after downloading the Calender XUL module) http://www.mozilla.org/projects/calendar/download.html > or Apple iCal can > subscribe to it and automatically get any updates. Outlook users can > import the data. > > Here's the URL: > > webcal://dropbox.at.or.at/dropbox/ical/hcs/Pd32Convention.ics > > If anyone has a burning desire to maintain this, I would happily hand > it over to them. > > .hc > > > _______________________________________________ > PD-list(a)iem.at mailing list > UNSUBSCRIBE and account-management -> > http://iem.at/cgi-bin/mailman/listinfo/pd-list

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Re: [PD] audio~ -> pyext ?
by sven 24 Aug '04

24 Aug '04

At 18:47 23.08.2004, you wrote: >Hi Sven, > > > but I just want to do a fft, extract critical bands and some other >analysis > > - feature extraction in general. all that can be done using Numeric Python > > which > > is a highly optimized package for number crunching tasks. that package is > > written in c and I wouldn't > > get it much faster if I wrote an external in c than just using numpy. > >i see... i'm afraid there's no such connection in PD yet... this is planned >to be integrated into a future version of vasp. >Have you tried if the current vasp version can help you with your project? haven't tried vasp yet. but it looks very interesting. i'll have a closer look at it. sven.

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audio~ -> pyext ?
by sven 24 Aug '04

24 Aug '04

I'm just playing around with pyext and was wondering how to get an audio stream into a pyext object. what i've tried, is [tabwrite~] audio to a table and then read every single value from that table using [tabread]. that works, but is much too slow. is there any other way to get audio into pyext? sven.

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Pd-list August 2004