At this point, the Viewer is a very simple application intended to show the capabilities of Datagr4m's API.
Opening and saving workspace layout is easy:
When workspace is loaded without existing map, layout is started. You can let the layout run or stop it and edit items and groups' positions.
Hold the "B" key and click a node to bring all neighbours in a local view. Then:
On the right you can see a video example of navigating from global to local views on a computer network graph.
Looking at a node relationships
First, you can simply move the mouse next to a node slot (the small square where edge are incoming or outgoing) to read a summary of this relationship which will appear as a tooltip.
But you might prefer to read all relationships at the same time. To do so, hold the "L" key and click on a node to see a summary of its relationships. You can then freely move the mouse to inspect other node relationships until you hit the "ESC" key, that will exit the inspection mode.
Setting the neo4j database to analyse
The default folder for storing embedded neo4j databases is
./data/workspaces/[current]/data.ns contains the reference to the database
database = data/databases/doctorwho/