public void setVertexFocused(FGVertex v, ProgramLocation location) {

		//
		// NOTE: we must focus the vertex before we set the program location, as focusing the
		// vertex will turn on the cursor, which allows the cursor to be properly set when we
		// set the location.  Reversing these two calls will not allow the cursor to be set
		// properly.
		//

		boolean wasFocused = v.isFocused();

		// As per the note above, the vertex must think it is focused to update its cursor, so
		// focus it, but DO NOT send out the event.  The 'pick to sync' will not trigger an
		// API-wide notification of the focused vertex.
		gPickedState.pickToSync(v);
		v.setProgramLocation(location);

		if (!wasFocused) {
			// was not focused; signal to the external API that there is a new vertex in town
			gPickedState.pickToActivate(v);
		}
	}
A somewhat arbitrary value that is used to signal a 'big' graph, which is one that will
slow down the system during the rendering process.
Ghidra/Features/FunctionGraph/src/main/java/ghidra/app/plugin/core/functiongraph/graph/FGComponent.java