🚀 go-pugleaf

In article 3009@sparky.mdavcr.mda.ca, sw@mdavcr.mda.ca (Scott Wood) writes:
>In the AVS User's Guide it mentions that white ports represent user
>defined data. Are there any restrictions on what sort of data this
>might be? (I don't have the Developer's Guide). Pretty well all of our
>data is accompanied with information which defines a mapping between data 
>coordinates and geographic coordinates on the earth. Ideally, we'd like
>some way of flowing this information through the networks.

The user-defined data is similar to a C struct but with some restrictions.
Elements must be int, char, float and double or arrays of int, char, float
or double.

>Finally, I wonder whether anyone has tried to embed AVS into a
>larger system. We have built a large system that deals with satellite
>images and vector map data and several years ago we built something that
>looks like a very simple version of AVS's Network Editor. It would be
>nice to replace this with the much more polished and "off-the-shelf"
>AVS so that we can concentrate on our applications. However, we have
>an object-oriented database which manages all our data, giving us such
>things as transaction processing, locking mechanisms for dealing with
>concurrent access, transaction journalling and database recovery, and
>all those sorts of database things. My worry is that trying to hook AVS
>into this type of system could be very difficult. Has anyone done
>anything like this?

I don't see any reason to believe that there would be any conflict.  You should
be able to call your database from inside an AVS module.

	Chris Flatters
	cflatter@nrao.edu