-- Viewport width,height should match screen/window width,height at all times.
Initial_viewport = {x=-50, y=-50, w=800,h=600, zoom=1.0}

-- To create a node we need an existing node. So the graph can never be empty. Bootstrap from this if necessary.
Initial_nodes = {
	a={type='text', x=0,y=0, margin=0, width=120, outgoing_edges={}, incoming_edges={}},
}

	-- make sure to clear any existing graph
	Nodes = deepcopy(Initial_nodes)
	Viewport = deepcopy(Initial_viewport)
	Viewport.w, Viewport.h = App.screen.width, App.screen.height
	--

end

end

Nodes = {
	a={type='text', x=0,y=0, margin=0, width=120, outgoing_edges={}, incoming_edges={}},
}

Nodes = {}

Viewport = {x=-50, y=-50, w=800,h=600, zoom=1.0}

Viewport = {}