GEM-dev November 2004

gem-dev@lists.iem.at

6 participants
10 discussions

pf/pdp/3dp in Gem
by Tom Schouten 11 Aug '06

11 Aug '06

hi gemmers, just talking with jamie here in bergen and it's pretty clear to me how to write the bridge between libpdp and Gem. practicly, for me it is the build system. i'd like to add 5 objects. 3 of them are already in the pf/pd bridge. * [gem.get <thing>] : forks off one gemstate object as pdp packet * [gem.set <thing>] : inserts one pdp object in gem state * [pdp <thing>] : generic pdp processors (functional maps) * [3dp <thing] : 3d drawing objects (draw to current gl context) * [pf <script>] : any pf script the last 3 i have C code for and they don't depend on gem, but if pf/pdp/3dp is running inside Gem they need to be included. the first 2 need to be written from scratch as gem objects, possibly just derived from GemBase. i suggest someone helps me with setting this up, by adding templates for the gem.get and gem.set objects in the source tree and add them to the build process. the names are of course open to discussion. anything sane and short. the rest i need is just an init callback. this callback will: * initialize the forth and pdp memory manager * create the pf/pdp/3dp pd objects maybe it is best to keep this optional, since it introduces a library dependency. so, who is motivated to help me out here by adding the templates? i don't have time to learn the build and init process. cheers tom

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Re: [PD] motion detection with gem?
by Tim Blechmann 28 Nov '04

28 Nov '04

> I read on the TODO of Gem that the motion detection has to be > implemented first but I want to know if somebody tried some > 'workarounds' to get something like motion detection. I think about > using an infrared camera which will input a black/withe signal. > Any suggestions? for a project i'm doing, i use a different approach with optical trigger fields that send out a bang, if movement has been detected in a certain area of the incoming image ... it's not tested very well (works for my purpose) and i didn't send it to the gem-list, since it's probably possibly to rewrite it as an abstraction... i attached the source files, maybe it can be of use ... in general i think that image analyse functions in gem should be improved ... either in c++ or in abstractions (whatever is faster) cheers ... tim -- mailto:TimBlechmann@gmx.de ICQ: 96771783 http://www.mokabar.tk 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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Re: Feature Requests
by IOhannes m zmoelnig 27 Nov '04

27 Nov '04

B. Bogart wrote: > Hey all, have i answered this already ? > > Should we post feature requests for Gem to the PD feature request tracker > on source-forge or continue posting to this list? i don't think that using PD's feature request tracker is the way to go, since Gem isn't even hosted on the same site... as for now (relatively few developers) i think it is ok to post to GEM-dev oh, and i have just noticed, that i have set up a feature-tracker on http://sourceforge.net/projects/pd-gem a long time ago... > > In terms of the idea of pix_mean_colors (I think I'm using the wrong name) > I think it would be very nice in the long term to be able to work with > pixel-data a little more effectively. (rather than having the pass the > whole image as PD messages and go from there.) Maybe something related to certainly true, although i have no idea where to go : forth ? ruby ? ;-) > Anyhow I have a list of features I've posted over the years and thought It > would be good to have it all together somewhere. > > otherwise I'll dig em all up and post in one long message... yes, would be great to have them available on one place. the tracker is probably best, because there we can close the request, once it is done. however, i would like to see it on the mailinglist too... mfg.a.dsr IOhannes

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pd .38 test 10 on OSX (.app)
by B. Bogart 24 Nov '04

24 Nov '04

Hey Miller and all, I decided to try test 10 on OSX and see if the "path" stuff has been fixed. Unfortunatly it seems much less functional than before. Here are a few notes: * When pasting (Apple-V) into "pd search path entry boxes": error: .gfxstub41d8c0.f?: no such object Where "?" is 0-9 corrseponding to the entry field * When Copying in console widget: (Apple-C) error: .printout.text: no such object The fun stuff: When I add a few things to the path requester and press save and then ok I get a plist that has anything but correct values for the paths. When opening the path requestor again (without closing pd) indeed the paths we added are gone, and in their place only the first feild contains "0" and nothing more (nothing in the other fields either). The plist itself contains only this path: <key>path1</key> <string>2ÂªÂ«Â§</string> Looks like something is really quite wrong with the plist creation. (more wrong than in test7) so after a hunch I decided to try creating my own plist for test 10 without using the "path" requester at all. The result? Perfectly loading libs. So it looks like the problems with test 10 are specific to how the variables in the path (and startup) requesters. I also tired loading my working plist from test 10 into test 7 and indeed it does not load the libs, so thanks for fixing the plist parsing in test 10! Ok so now I'm going to make my own working plist for test 10 and things will be looking up! also even test 10 still complains: "error pasing RC arguments" even when it is loading paths and libs properly. Hope this helps with test11, B.

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pix_analyse_colors
by Tim Blechmann 23 Nov '04

23 Nov '04

hi all ... i wrote a small object that analyses the color channels of an image ... nothing you can't build as abstraction with pix_histo, but faster (both in terms of cpu speed and coding time) ... i know pix_analyse_colors is a stupid name, but no better one came to my mind ... feel free to add it to the cvs, if you are interested ... if not, is there any way to build externals for gem that are distributed seperately? cheers ... tim -- mailto:TimBlechmann@gmx.de ICQ: 96771783 http://www.mokabar.tk 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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movie und transparenz
by simi＠quirxi.net 23 Nov '04

23 Nov '04

Hi; kann mir jemand erklären, ob man den alphakanal von einem bild und ein movie texturen kann? dake

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Re: [GEM-dev] problem to start gem
by Johannes M Zmoelnig 08 Nov '04

08 Nov '04

hi. this seems to me like a loop bastien beliah wrote: > > >>ok, here we go: >>i suppose you have pd installed on your computer; if not install it, as >>gem will not work without pd. >>now remember where you have installed pd. if you don't know search for >>pd.exe. >>on my system pd.exe is in "C:\Programme\pd\bin\pd.exe" : therefore my >>PDPATH is "C:\Programme\pd\" (just strip the last "bin\pd.exe") >>if your pd.exe was "D:\puredata\bin\pd.exe", the PDPATH would be >>"D:\puredata" >> >>now edit the line "set PDPATH=C:\programme\pd" >>to "set PDPATH=D:\puredata" >>(or whatever matches your installation) >> >> >>mfg.a.sdr >>IOhannes > > OK! I had pd on my computer until the begingin (no problem with that) and it's install in C:\Program Files\pd\bin\pd.exe (more or less like you I guess). So what should I do? Is that correct? should I change something? no, it is not like me i have "C:\Programme\pd" instead of "C:\Program Files\pd" i think this is a severe difference. windows cannot (yet) translate filenames for you. so set the line to read set PDPATH="C:\Program Files\pd" you might need the quotes. it might not work at all (because of the space between "Program" and "Files") it would be better anyhow to install pd into a place without spaces: e.g. "C:\pd" mfg.a.sdr IOhannes

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Re: [GEM-dev] problem to start gem
by Johannes M Zmoelnig 08 Nov '04

08 Nov '04

bastien beliah wrote: > Hi, > > Well, I finally open this GEM_INSTALL.bat but I still don't know what to do with it. > I do have a line on top of the message which says: set PDPATH=C:\programme\pd. What should I do? Edit it into the Pd search path? ok, here we go: i suppose you have pd installed on your computer; if not install it, as gem will not work without pd. now remember where you have installed pd. if you don't know search for pd.exe. on my system pd.exe is in "C:\Programme\pd\bin\pd.exe" : therefore my PDPATH is "C:\Programme\pd\" (just strip the last "bin\pd.exe") if your pd.exe was "D:\puredata\bin\pd.exe", the PDPATH would be "D:\puredata" now edit the line "set PDPATH=C:\programme\pd" to "set PDPATH=D:\puredata" (or whatever matches your installation) mfg.a.sdr IOhannes

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Re: [GEM-dev] problem to start gem
by IOhannes m zmoelnig 07 Nov '04

07 Nov '04

hi bastien beliah wrote: > > Thank you very much, but > > 1) exactly read, what the message says: I'm french but I've learn > english at school this shouldn't be a problem; i am austrian and my english is far from being perfect too > > 2) exactly do, what the message tells you to do: same answer > > anyway: I dont have any GEM_INSTALL.bat, I only have a GEM_INSTALL > Ms-Dos command...I don't think that it can be read whith a text > editor (I've tried but it doesn't worked). So: I don't know exactly > what to do.... allright (trying not to be rude about XP) tell explorer to display filename-extensions: you will see that the "GEM_INSTALL Ms-Dos command" is in fact a "GEM_INSTALL.bat"-file why are you not able to edit it ? try right-clicking the file and use "Edit" or try opening the notepad-application (should be somewhere in "utilities" or "extras") and open the file with it (you might have to tell notepad to open "any file" and not just "*.txt files") please understand that i cannot give a full manual to such an error-prone OS as windos (to be fair: i cannot give a full manual to any OS); your problems are really with windos mfg.a.rd IOhannes

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problem to start gem
by bastien beliah 04 Nov '04

04 Nov '04

Hello I'm a pd user (especially for real-time audio) and I want to turn on to new stuff with video. I've recently downloaded gem 0.90 but I really can't open it!!! Every time that I try to open the GEM_INSTALL command I have an error message: "I belive I'm in the wrong directory I thought that the pd-executable would be C:/programme/pd/bin/pd.exe please edit this file and set the PDPATH-variable appropriatly" I don't know exactly what to do. If someone could help me that would be really nice; thanks ps: I'm on pc (win XP) w/pd 0.37-3

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GEM-dev November 2004