digraph complete {
	node [shape=ellipse fontname="Arial" fillcolor="olivedrab2" style="filled"]; network;
	node [shape=ellipse fontname="Arial" fillcolor="goldenrod1" style="filled"]; routes;

	subgraph cluster_0 {
		style=filled;
		color=lightgrey;
		label = "network generation"

		node [shape=octagon fontname="Arial" fillcolor="olivedrab2" style="filled"]; "network description";

		node [shape=box fontname="Arial" fillcolor="olivedrab3" style="filled"]; NETCONVERT;
		node [shape=box fontname="Arial" fillcolor="olivedrab" style="filled"]; NETGEN;

		"network description" -> NETCONVERT [arrowhead="normal" label="<...>" fontname="Arial" fontsize="10"];

		NETCONVERT -> network [arrowhead="normal" label="--output" fontname="Arial" fontsize="10"];
		NETGEN -> network [arrowhead="normal" label="--output" fontname="Arial" fontsize="10"];
	}


	subgraph cluster_1 {

		graph [ rankdir="TB" rank=same];
		style=filled;
		color=lightgrey;
		label = "demand generation"


		node [shape=box fontname="Arial" fillcolor="goldenrod" style="filled"]; DUAROUTER;
		node [shape=box fontname="Arial" fillcolor="goldenrod1" style="filled"]; DFROUTER;
		node [shape=box fontname="Arial" fillcolor="goldenrod2" style="filled"]; JTRROUTER;
		node [shape=octagon fontname="Arial" fillcolor="goldenrod" style="filled"]; "demand description";
		node [shape=box fontname="Arial" fillcolor="indianred1" style="filled"]; OD2TRIPS;

		"demand description" -> DFROUTER [arrowhead="normal" label="<...>" fontname="Arial" fontsize="10"];
		"demand description" -> JTRROUTER [arrowhead="normal" label="<...>" fontname="Arial" fontsize="10"];
		"demand description" -> DUAROUTER [arrowhead="normal" label="<...>" fontname="Arial" fontsize="10"];
		OD2TRIPS -> "demand description" [arrowhead="normal" label="--output" fontname="Arial" fontsize="10"];
		"demand description" -> OD2TRIPS [arrowhead="normal" label="<...>" fontname="Arial" fontsize="10"];

		DUAROUTER -> routes [arrowhead="normal" label="--output" fontname="Arial" fontsize="10"];
		JTRROUTER -> routes [arrowhead="normal" label="--output" fontname="Arial" fontsize="10"];

	}

	node [shape=Mcircle fontname="Arial" fillcolor="yellow1" style="filled"]; USER;
	node [shape=box fontname="Arial" fillcolor="lightskyblue" style="filled"]; "SUMO/GUISIM";

	node [shape=ellipse fontname="Arial" fillcolor="lightblue1" style="filled"]; "simulation output";
	node [shape=octagon fontname="Arial" fillcolor="lightcyan" style="filled"]; "additional definitions";

	USER -> "additional definitions" [arrowhead="normal" fontname="Arial" fontsize="10"];
	network -> "SUMO/GUISIM" [arrowhead="normal" label="--net-file" fontname="Arial" fontsize="10"];
	routes -> "SUMO/GUISIM" [arrowhead="normal" label="--route-files" fontname="Arial" fontsize="10"];
	"additional definitions" -> "SUMO/GUISIM" [arrowhead="normal" label="--additional-files" fontname="Arial" fontsize="10"];
	"SUMO/GUISIM" -> "simulation output" [arrowhead="normal" label="<...>" fontname="Arial" fontsize="10"];

}