- relations are represented as distance to the centerfield and size of the object
- clicking choses the object as new center object (shift-click on an object links to the corresponding page)
- green fields are the sub-fields of the center fields. They curently cannot be chosen as centerfields
- N.B.: Fields are the top-level fields of the JACS-categorization of sciences;
the relations between single fields have been attributed by random for demonstration purpose only.