EEML for Processing

The EEML library for Processing enables simple creation, access and manipulation of EEML documents. With the EEML library it is easy to set up connections to Pachube in order to:

• link Processing sketches across networks;
• use Arduino to share real time sensor data;
• connect Processing sketches to real time sensor data from around the world;
• make Processing sketches respond to and control Second Life environments;
• log/graph Processing variables;
• ... and lots more! See community.pachube.com for more ideas...

Download

Download the latest EEML library for Processing. (Tested with Processing 0154).

Once unzipped, the entire folder 'eeml' should be placed in your Processing>Libraries folder.

Examples

• Automatic request for data from a remote Pachube feed (e.g. to build something that responds to someone else's sensory system).
• Automatic update of a Pachube feed, (e.g. to make your local data available to Pachube, as requested by a remote client).
• Manual update of a Pachube feed (e.g. again to make your data available to Pachube, but sporadically as determined by you, or from behind a firewall).

News

October 13, 2008: Version 1.0 - New manual update feature, in preparation for new Pachube features. See DataOut in EEML library documentation for more info.

June 21, 2008: Version 0.9 - New methods: DataIn.getMaximum(), DataIn.getMinimum(), DataIn.getUnits(); also DataOut.setLocation() now works with either full location meta-data, or only exposure/domain/disposition, or only latitude/longitude/elevation. Changed some console error reporting so that non-serious errors when receiving too many requests no longer look so dangerously red.

June 13, 2008: Version 0.8 - in preparation for a future Pachube feature, there is now an eemlPOST() method which enables manual updates of EEML documents by POST rather than waiting for a request. Also cleaned up some code, removed the old "getAge()" method which was non-functional because of an old change in EEML structure and added a getStatus() method which returns info about the feed status ("live","frozen" or "no status").

April 16, 2008: Version 0.7 - in preparation for imminent Pachube release, updated to work with Pachube authentication keys; added new getURL() method to dataIn, to remind which URL has been requested.

February 14, 2008: added 'HTTP/1.1 200 OK' and 'application/xml' header.

January 26, 2008: new EEML library released, v0.5.

Known issues

• None known.
• Not currently working with Pachube authentication. Direct connections between applications should work. Now fixed.

Reference

EEML library documentation is available here.

Various tutorials and introduction to EEML and Pachube for Arduino/Processing users is available.

Contact

Any questions, comments, requests please contact info [ at ] eeml [ dot ] org. Thanks!