digraph map_loading {
	edge [arrowsize=0.5; style="setlinewidth(2)"]
	node [style=filled; fontcolor=white; color=invis; shape=box; arrowsize=0.5; fontname="DejaVu Sans,sans-serif"; fontsize=12; height=0.2;];
	edge [decorate=true; fontname="DejaVu Sans,sans-serif"; fontsize=8];
	graph [fontname="DejaVu Sans,sans-serif"; fontsize=15; ]
	rankdir="TB";
	ranksep=0.5;
	nodesep=0.5;
	color=invis;
	fillcolor="#c0c0c0";
	fontcolor="white";

	app -> apache [label="AltOS Map URI"]
	apache -> app [label="Google Map tile"]

	apache -> cgi_script [label="AltOS Map URI"]
	cgi_script -> cache_manager [label="AltOS Tile Request"]

	cgi_script -> apache [label="Google Map tile"]

	cache_manager -> cgi_script [label="AltOS Tile Reply"]

	cache_manager -> disk_files [label="AltOS tile files" dir="both"]
	cache_manager -> google_maps [label="Google Map URI"]

	google_maps -> cache_manager [label="Google Map tile"]

	app [color="#885931" label="Application"]
	apache [color="#d12127" label="Apache Web Server"]
	cgi_script [color="#551a8b" label="AltOS Map CGI Script"]
	cache_manager [color="#c75b1c" label="AltOS Map Cache Manager"]
	disk_files [color="#4f81bd" label="File System"]
	google_maps [color="#4cbb44" label="Google Maps"]
}
	
