[PD] Preset saving with SSSAD
jancsika at yahoo.com
Mon Jul 29 19:48:08 CEST 2013
On 07/29/2013 07:50 AM, András Murányi wrote:
> On Thu, Nov 25, 2010 at 10:19 AM, Frank Barknecht <fbar at footils.org
> <mailto:fbar at footils.org>> wrote:
> On Thu, Nov 25, 2010 at 03:28:01AM +0100, András Murányi wrote:
> > Cool, i was wandering around in the rj lib but i couldn't find
> how this thing
> > works. Can you just tell me in a nutshell please?
> yeah, it's a bit convoluted, to make it play nice in the
> background without a
> user ever having to see a single sssad object ...
> Anyway the real interesting feature you will like is not so much
> the "saveonly"
> message but local saving which is enabled by adding something like
> "$0" as
> second argument to your [sssad] objects. Such local sssad objects
> cannot be controlled
> via sending to "SSSAD_ADMIN" anymore! Instead you have to send to
> In rj, the [u_sssad] objects are copies of sssad.pd and they are
> in [u_dispatch] objects. These objects are in almost every rj
> abstraction and
> handle two things: Dispatching of "tagged messages" from an inlet
> to local
> receivers and saving the sssad-parameters.
> For example a [u_dispatch $0 freq] will turn messages like "freq
> 440" into a
> "440" sent to [s $0-freq] and it will also save "440" into a local(!)
> sssad-parameter called "freq" that is local to the value of $0.
> Now a second utility abstraction, [u_loader] will build a bridge
> between these
> local sssads with their $0-SSSAD_ADMIN receivers and two global
> called RJ_SCENE_LOAD and RJ_SCENE_SAVE. Actually these are
> seldomly used in
> rjdj scenes.
> A typical idiom to get the state of all sssads in one abstraction
> is to send
> "save" to the $0-SSSAD_ADMIN in ony abstraction, then collect all
> the responses
> into messages and save these into message boxes. This is handled
> inside of
> [u_loader] and can be seen all over the rj library, expecially in
> Andy's synths
> like s_ejun or s_cwc.
> If this sounds too complicated and you want to just have a presettable
> abstraction, you just need to do this:
> 1) add a [u_loader abstractionname-$1 $0] object
> 2) add a [u_dispatch $0 parametername] object for every parameter
> 3) daisychain all [u_dispatch] with connections and connect the
> first one to an inlet.
> 3.1) Optionally: Connect [u_loader]'s outlet to an outlet and
> route incoming
> "save" messages to its inlet to save settings in the parent
> patch, e.g. with [u_cocollect]
> 4) Call you abstractions with unique tags as first argument
> Now try sending stuff to RJ_SCENE_SAVE and RJ_SCENE_LOAD and to
> the inlets of
> your abstractions.
> Frank Barknecht Do You RjDj.me? _
> Huh, I'm trying to pick this up (after 3 years...)
> Honestly, currently my IQ seems to be less than satisfactory to
> understand and utilize the advice. (It's also almost 40 degrees C here
> so I'll have to think out loud...)
> - is the SSSAD in s-abstractions recent enough for these tricks?
> - is there an example patch of SSSAD local saving available? i just
> wish to see/understand how to save and load presets exclusive for an
> abstraction instance.
> - or, please, is it possible to list the steps of creating SSSAD local
> saving for an abstraction? (eventually using [presetstore]... which I
> have attached because it's not hosted anywhere any more)?
> - is at viable at all to avoid using rjlib for this (and to use 'pure'
> SSSAD), or I couldn't get away without all that patching that is in
> u_loader, u_dispatch, u_cocollect etc?
> ...sorry for the dependent mental state in which I am! :-o
I don't think it's your mental state. Those tools are clunky.
Have you looked at Ivica's [preset_hub] in Pd-l2ork? You simply name
and all the [preset_node] objects with the same name on that canvas or a
child of it
(including abstractions) work together. No need to use dollarsign
arguments at all.
All state is saved with the patch and adding/removing nodes works
seamlessly, even with
His preset system even makes an automatic, hidden connection back into
so you don't get crossed wires.
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