[PD] lookup~ (was: Update cyclone maintenance)
Fred Jan Kraan
fjkraan at xs4all.nl
Wed Jun 24 12:27:52 CEST 2015
Hi Alexandre,
> The help file acts as if the audio input needed to be between 0
> and 1, but that is not true, it actually is from -1 to 1, try it
> and you will see. That's the way it originally works in Max as
> well, by the way.
Ok, fixed.
>
> And now for a bug. When you specify an offset, it goes from that
> offset point until the given boundary. But the way it is acting
> is that it's continuing after the end of the boundary, outputing
> silence.
It isn't implemented as a boundary, but as size parameter. Pd lookup~
tries to read from offset to offset+size. Reading past the array gets
you zero's, as is customary in Pd.
Max 5 lookup~ appears to have it implemented as an offset and a boundary
or end-point in the array. So it reads from offset to end-point.
The new version will behave like Max 5.
> help also ommits you can use a set message to specify the buffer,
> like before
Ok, fixed.
> one more thing: there's a first argument which is the table size, a
> second argument which is a float for offset, and there is a THIRD
> argument that specifies the size of the buffer and is not mentioned (if
> it is not specified, it's 512)
As I understand it, the arguments are:
1 - array/table name
2 - initial offset in array/table (default 0)
3 - initial end-point array/table (default 512)
This is how the new help file specifies it.
Greetings,
Fred Jan
>
> 2015-06-23 20:12 GMT-03:00 Alexandre Torres Porres <porres at gmail.com
> <mailto:porres at gmail.com>>:
>
>
> 2015-06-23 20:07 GMT-03:00 Alexandre Torres Porres <porres at gmail.com
> <mailto:porres at gmail.com>>:
>
> now we need to talk about [lookup~] :)
>
>
> cheers
>
> 2015-06-05 3:29 GMT-03:00 Fred Jan Kraan <fjkraan at xs4all.nl
> <mailto:fjkraan at xs4all.nl>>:
>
> Hi Alexandre,
>
> Sorry, I had missed your message, most active Pd-time had
> gone into
> helping to improve the build system for cyclone and
> pd-externals in
> general.
>
> The concept of hot and cold inlets appears to apply to
> messages, not
> signals. Sah~ appears to work as described in the Max5
> documentation.
> I'll improve the help-patch.
>
> Consider it a good thing Pd can confuse you. It would get
> boring if it
> didn't :-).
>
> Greetings,
>
> Fred Jan
>
>
> On 2015-06-05 03:42 AM, Alexandre Torres Porres wrote:
> > please do not consider my previous message, I clearly had no idea what I
> > was talking about and was just really confused :) sorry
> >
> > 2015-05-26 18:12 GMT-03:00 Alexandre Torres Porres <porres at gmail.com <mailto:porres at gmail.com>
> > <mailto:porres at gmail.com <mailto:porres at gmail.com>>>:
> >
> > By the way, [sah~] in Pd has the inlets switched. In max, the left
> > one is supposed to trigger the sample and hold, unlike [samphold~]
> > in Pd. But [sah~] is just like [samphold~]. In order for it to be a
> > proper clone of max, that'd need to be corrected, not sure if it
> > happened already.
> >
> > 2015-05-24 23:18 GMT-03:00 Alexandre Torres Porres <porres at gmail.com <mailto:porres at gmail.com>
> > <mailto:porres at gmail.com <mailto:porres at gmail.com>>>:
> >
> > for instance, it says "Symbol argument sets name of table to
> > play from. Additional int argument after that sets sample offset
> > into the table (default 0)"
> >
> > well, I put an int argument after that, and it doesn't really
> > work at all!
> >
> > 2015-05-24 23:05 GMT-03:00 Alexandre Torres Porres
> > <porres at gmail.com <mailto:porres at gmail.com>
> <mailto:porres at gmail.com <mailto:porres at gmail.com>>>:
> >
> > hi fred, how's it going? I was checking [cycle~] and it
> > seems it's not behaving much closely like in max, have you
> > checked that? I'm saying more about its behaviour as a
> > wavetable, where it can offsett the table and everything.
> >
> > I can't find that list of bugs you were working on, where is
> > it? How is it anyway?
> >
> > thanks
> > cheers
> >
> > 2015-01-23 14:25 GMT-02:00 Fred Jan Kraan <fjkraan at xs4all.nl <mailto:fjkraan at xs4all.nl>
> > <mailto:fjkraan at xs4all.nl
> <mailto:fjkraan at xs4all.nl>>>:
> >
> > Hi All,
> >
> > At
> > http://fjkraan.home.xs4all.nl/digaud/puredata/cyclone/index.html
> > a new set of revised help-patches for the cyclone
> > library are available. Most previous remarks are applied.
> >
> > There are now previews of the Windows binaries and
> > MacOSX. The latter is build on MacOSX 10.5 with XCode
> > 3.14, so should have executables for PPC, i386 and
> > i386_64. I confirmed the last two are working (10.5 and
> > 10.8).
> >
> > It remains in progress, in the task list are the fixed
> > and remaining issues.
> >
> > Fred Jan
> >
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> >
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