[PD] Re: new pmpd developer

Thomas Ouellet Fredericks iamonthebeach at gmail.com
Wed Mar 16 20:11:23 CET 2005


I would have liked to see your demo at the SAT but I got held up at work.
I am less interested in VJing lately, so the next version of V3 will
mostly be oriented towards installation work on integration into other
complete packages (like pixelTANGO). I would like to merge the
projects because I do not wish to further the development of V3 but I
do not want it go to waste ( I put a lot of math in there!).

The next version will only have 3 parts to it : 
1) a multiple video file player (in XP, gem crashes when you switch
videofiles, so I need to create a new instance of pix_movie for every
video).
2) a "breakable" video surface that will be composed of a dynamic
number of objects. I have also created a messaging system to give CUES
to the 3d objects (like go to point A in 5 seconds then go to point B
while rotating x degrees then scaling big in 1 second).
3) a gemwindow manager thingy.

What is done :
1) video player (just need to add multiple video file support) with
many options (loop points and frame number and variable speed
playback, etc)
2) I have made my own state saving mechanism : I never got memento to
work for me.
3) The breakable window thingy is almost complete.

How I imagine it could connect to pixelTANGO :

v3 vidplayer (v3.vid)) -> pixelTANGO -> v3 breakable surface (v3.surface) -> geo

Off topic : does gemkeyboard and gemouse work in OS X?

Tom

On Wed, 16 Mar 2005 12:52:52 -0500, B. Bogart <ben at ekran.org> wrote:
> Hey Tom,
> 
> I spoke to Patrick a bit at the SAT on thursday. We were talking about
> how it could be possible to merge V3 with pixelTANGO. Here are a few of
> the objectives of pixelTANGO:
> 
> * pixelTANGO (aka pt) is a set of abstractions and externals, for
>    pd/GEM, that make using pd and GEM easier, faster and more satisfying.
> * The purpose of pt is to balance usability and ease of learning with
>    programmability, modularity and flexibility.
> * This balance means that pt will always be playing catch-up to build
>    easy to use interfaces to the ever growing and complex functionality
>    of GEM.
> * This means that often pixelTANGO will be used with "traditional"
>    pd/Gem programming for and by artists to create performances as well
>    as contribute more specialized pt modules back to the community.
> * Make pd/Gem more accessible to artists by increasing the ease of use
>    and making a more shallow learning curve
> * Keep the modular nature of pd/Gem intact
> * Ability to use full resolution DV videos, live, recorded and streamed
>    over IP.
> * Artist can work in 2D and 3D or both
> * External control of pt through MIDI, OSC and custom hardware (Via
>    AID*1)
> * Community supported and developed
> 
> Exitsing features of pixelTANGO are:
> 
> * Easy two file drag and drop installation (on OSX)
> * Complete documentation
> * DV over firewire, network streams (QTL or SDP), still images and movie
>    files as inputs.
> * Number of layers only limited by available hardware
> * Filters for layers with plug-in architecture
> * OpenGL effects for layers (rotate/scale/translate etc..)
> * Text & 3D model layers
> * Configurable smooth interpolation on all parameters
> * Preset (state) saving and preset animation
> * Quick access to directories of files
> 
> What are the objectives/features of V3?
> 
> How do you see the projects connecting/merging?
> 
> Things like BPM sync etc.. have been requested for pixelTANGO but I have
> little personal interest in them. Also I think pixelTANGO has a more
> unified design that acts more like an application than a patch. For
> example there is a plugin system that dynamically generates an array of
> abstractions in the "fx/" folder and manages the seamless routing
> between them. V3 effects could be added to this perhaps. PDP too for
> that matter. (these are pix_ based effects) Also I want to build
> something similar for transitions that I think its a strong-point of V3.
> 
> What benifits do you think there are to merging the projects?
> 
> What do you think of things like PiDiP/PDP integration?
> 
> Did you see the Article in La Presse on friday the 11th on the TOT project?
> 
> Anyhow I'd love to hear your thoughts on the matter.
> 
> Oh and fwish looks pretty amazing, how did you get the alpha-channel
> working well? (multiimage, or alpha video? or? The OSX developers have
> broken pix_mask and don't see it being valuable! yuck!)
> 
> b>
> 
> Thomas Ouellet Fredericks wrote:
> > Here are videos (screen captures, not yet the actual installation) and
> > part of the code of my Fwish (Bassin du destion) installation. One
> > version has fish that do not collide, the other does not because I
> > decided it is nicer when the fish overlap.
> >
> > http://www.danslchamp.org/mrtof/code.htm
> >
> > tom
> > tom at danslchamp.org
> >
> >
> > On Tue, 15 Mar 2005 18:30:41 +0100, Frank Barknecht <fbar at footils.org> wrote:
> >
> >>Hallo Nicolas,
> >>Nicolas Montgermont hat gesagt: // Nicolas Montgermont wrote:
> >>
> >>
> >>>I've been experimenting pmpd with datastructure for a week now,
> >>
> >>Wow! That's quite a patch for one week, wonderful!!
> >>
> >>
> >>>and I encounter a few problems that are all present in the attached
> >>>patch:
> >>>
> >>>- Computation speed! The simple model presented here (5 mass, 8
> >>>link) seems to charge all my CPU at a metro period of 100ms. The
> >>>string patch designed by Frank Barknecht in the datastructure
> >>>tutorial was much more faster. Does anybody see any "bad"
> >>>programming in the patch?
> >>
> >>I also get a very high load. I will need a bit time to take a deeper
> >>look, but generally the data structures are far from the efficiency
> >>that e.g. Gem has. However I don't think your model should be that
> >>slow.
> >>
> >>
> >>>- use the $0 variable to have mutiple instanciation, but I have to
> >>>use the external "sprintf" to build the "pd-$0-data" message. Is
> >>>there a solution using only native pd objects to do that?
> >>
> >>Yes, and it even works better here (maybe I have another sprintf, I
> >>get lots of errors like "sprintf: no method for float").
> >>
> >>Anyway the solution is to replace every "sprintf" with "makefilename",
> >>you can keep the "pd-%d-data" part, it's the same for makefilename.
> >>
> >>Ciao
> >>--
> >> Frank Barknecht                               _ ______footils.org__
> >>
> >>          _ __latest track: "scans" _ http://footils.org/cms/show/41
> >>
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> >
> >
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> 
> 
>




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