Forums > MaxMSP

pattr bug?

Aug 01 2012 | 2:26 pm

I have a number of bpatchers set up to write their parameters into pattrstorage, located in the main patch. Everything seems to be working fine with the store mechanism – the parameters appear in both the storagewindow and clientwindow. However, when I write the file, I get an empty shell of a json file with just the basic bracketed scripting name of the pattrstorage, and none of the (100s of) parameters get stored.

Is there currently a bug in pattrstorage? I actually have the same thing implemented in another patch with fewer (9) parameters, and it works fine.

Aug 01 2012 | 3:23 pm

Update: Attached is a pic of the screens that pattrstorage is seeing. Here is the written output of the file:

"pattrstorage" : {
"name" : "MyParams",
"slots" : {





  1. ScreenShot20120801at11.18.12AM.png


Aug 01 2012 | 9:04 pm

Hello Eric and welcome,

it seems to don’t first save your preset in a slot (from your screenshot i can see your datas are in slot 0) before you save your file.


Aug 02 2012 | 2:56 pm

Ah, so slot 0 doesn’t count. Cycling: please put this in the docs for ‘pattrstorage’!

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Forums > MaxMSP