[PD] [pix_blob] output coordinates

[Peter P.]

(replying to myself below)

* Peter P. <peterparker at fastmail.com> [2017-11-19 22:43]:
> Hi list,
> 
> I am trying to understand the coordinates I am getting from pix_blob.
> Example patch 03.movement_detection.pd assumes them to be normalized
> from 0-1. In my patch the values from pix_blob can easily become
> negative or go outside of the 0-1 range. This is especially the case
> when the blobs detected should become very large. Has anyone else
> discovered this?

This is on Debian testing with Gem 0.93.3 from the Debian package. I
tested the same patch on OS X and there pix_blob does output in the 0-1
range reliably.