[PD] Size of a table
marius.schebella at gmail.com
Wed Jun 11 15:04:37 CEST 2008
Hans Roels wrote:
> Apart from [soundfiler] I use this trick to get the size of any array
> (audio or data) in pd vanilla:
> (array1 = the name of an example array)
> [expr size("array1")]
> or replace the expr with [expr size("$s2")] and connect a message
> [symbol array1( to the second inlet of this expr object
> hans r
that's cool. did not know that expr can do that! are there more features
of expr that are hidden or unknown??
> At 09:38 11/06/2008, you wrote:
>> On Wed, Jun 11, 2008 at 10:03:28AM +0200, IOhannes m zmoelnig wrote:
>>> raul diaz wrote:
>>>> I have a dumb question. What's the best way to get the size of a table?
>>>> Sometimes I load a lot of samples on tables with soundfiler and I would
>>>> like to take the size of each sample as a variable in order to use it
>>>> with phasor + tabread4~.
>>>> Is there any object which gets the size of a table?
>>> well i have a dumb answer: why not use the "length" output of [soundfiler]?
>>> i think that in this case the philosophy of Pd his, that there are 2
>>> ways to change the length of a table: do it interactively (e.g. create a
>>> [table bla 1024] or do it programmatically (e.g. via [; bla resize 216()
>>> in the first case the author of the software is responsible for using
>>> (e.g. "hardcoding") the right table-size throughout there patch, in the
>>> latter case you could just listen to these programmatical changes).
>>> tables suddenly changing there size are beyond Pd :-)
>> There is one situation I have encountered where it would be useful to
>> have a built in [arraysize]. In some of the s-abstractions such as
>> [s-samplepiece~] you have to pass in the table name that you'd like the
>> abstraction to use. This means that at some point the user loads some
>> audio data into the named table (for example using [s-loader~]) and they
>> then know the sample table size. When they create the [s-samplepiece~]
>> playback abstraction they must manually enter the array size as one of
>> the arguments to the abstraction, along with the table name.
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