I guess the only thing to add is that i would like to recieve out an
[index,value] for each slider, but assumedly this simply needs to be
updated for the slider currently being adjusted
eg
[0,1.] => first slider, all the way up
[0,0.] => first slider, all the way down
go & tweak the third slider...
[2,.5678] => etc etc....
& the value is simply written to the csound function table / "generic
array" accordingly...
when hosting python in csound only a fairly limited number of return
values can be passed... so linking the display "by direct association"
to the table data is probably not possible.
& this shouldn't be a problem, as long as both the array & the display
are initialsised to the same relative values.. (& keeping the value
restricted to 0. <= val <= 1. should allow for a range of applications &
rescaling of the output ...)
Tim Mortimer wrote:
>
> Hello,
>
> I'm new to GUI programming, & self taught at Python which is the only
> "real world" programming language i know - I picked it up last year to
> try and work with Csound to make "algorithmically assisted"
> compositions, & now hopefully through tkinter some basic interfacing
> options. (Csound is accesible via python through an api, &/or vice
> versa...)
>
> What i want to do is use the Canvas object (assumedly with a series of
> rectangles on it, let's say 64 or 128 or 256 being the likely number
> of candidates depending on the editing task..) so that i can
> graphically edit the contents of function tables in csound.
>
> The rectangles on the canvas will simply be lenghtened or shortened in
> the vertical direction, & all sit one next to the other (so it looks
> like the interface from an EQ on a stereo, or a "skyline" type
> appearance...maybe coloured rectangles will identify every 8 or 10 or
> 12 index values or something...
>
> But i've got no experience of this, have run some very simple examples
> illustrating some basic tkinter behaviour ("hello world" that type of
> thing...) - but surely there is something around showing some simple
> canvas operations so i can start hacking it & getting this started, &
> learning something about tkinter in the process??
>
> Does anyone know or have an implementation of this type of thing in
> tkinter, or alternately some simple & pedagogically useful examples of
> basic canvas & user interfacing types of operations? (resizing boxes
> on a canvas with the mouse & reporting values being the general idea...)
>
> many thanks
>
> Tim
>
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