[PD] Resources for building a GEM-based external

[Serguei A. Mokhov]

Hi,

We are looking to build an external for OpenISS's C++ framework. I've gone 
over docs on how to make externals in Pd in general already, but I am 
quite fuzzy about how to do the same with GEM. In particular, we'll be 
receiving image frames of various types (along side any other motion data 
from sensors and software devices) that we'd like to render / texture-map.

I understand that GEM itself is an external. What's the most recent 
resource that can help us building an external that would work with GEM? 
Most docs either focus on signal and scalar data or docs for GEM are out 
of date on the official pages.

I guess what I am looking for is a recent "ideomatic" example on how to 
deal with things that deal with image-like / matrix-like frame data.

Thanks!

-s