Production graph of science packs in Factorio

science.dot

digraph Science {
	style=invis; // Remove borders around clusters
	edge[dir=back]; // Too lazy to fix the way I input everything...
	node[label=""]; // Remove all of the text from nodes.
	

	science1 [image="Science-pack-1.png"]
	science2 [image="Science-pack-2.png"];
	science3 [image="Science-pack-3.png"];

	// Clusters make the contained nodes prefer to stay together.
	subgraph cluster_iron {
		iron_ore [image="Iron-ore.png"];
		iron_plate [image="Iron-plate.png"];
		steel_plate [image="Steel-plate.png"];
		iron_gear [image="Iron-gear-wheel.png"];		
		
		steel_plate -> iron_plate -> iron_ore;
		iron_gear -> iron_plate;
	}

	subgraph cluster_copper {
		copper_ore [image="Copper-ore.png"];
		copper_plate [image="Copper-plate.png"];
		copper_wire [image="Copper-cable.png"];
		
		copper_wire -> copper_plate -> copper_ore;
	}

	subgraph cluster_circuit {
		circuit [image="Electronic-circuit.png"];
		advanced_circuit [image="Advanced-circuit.png"];
		
		circuit -> iron_plate;
		circuit -> copper_wire;
		advanced_circuit -> circuit;
		advanced_circuit -> copper_wire;
		advanced_circuit -> plastic_bar;
	}


	subgraph cluster_inserter {
		inserter [image="Inserter-icon.png"];
		fast_inserter [image="Fast-inserter.png"];
		smart_inserter [image="Smart-inserter.png"];
		
		inserter -> iron_plate;
		inserter -> iron_gear;
		inserter -> circuit;

		fast_inserter -> inserter;
		fast_inserter -> iron_plate;
		fast_inserter -> circuit;

		smart_inserter [image="Smart-inserter.png" label=""];
		smart_inserter -> fast_inserter;
		smart_inserter -> circuit;
	}

	subgraph cluster_belt {
		basic_belt [image="Basic-transport-belt.png"];
		
		basic_belt -> iron_plate;
		basic_belt -> iron_gear;
	}

	subgraph cluster_oil {
		plastic_bar [image="Plastic-bar.png"];
		battery [image="Battery.png"];
		sulfuric_acid [image="Sulfuric-acid.png"];
		sulfur [image="Sulfur.png"];
		petroleum [image="Petroleum-gas.png"];
		crude_oil [image="Crude-oil.png"];
		water [image="Water.png"];
		coal [image="Coal.png"];
		
		plastic_bar -> coal;
		plastic_bar -> petroleum;
		battery -> iron_plate;
		battery -> copper_plate;
		battery -> sulfuric_acid;
		sulfuric_acid -> sulfur;
		sulfuric_acid -> iron_plate;
		sulfuric_acid -> water;
		sulfur -> water;
		sulfur -> petroleum;
		petroleum -> crude_oil;
	}
	
	subgraph cluster_s1 {
		science1 -> copper_plate;
		science1 -> iron_gear;
	}
	subgraph cluster_s2 {
		science2 -> inserter;
		science2 -> basic_belt;
	}
	subgraph cluster_s3 {
		science3 -> battery;
		science3 -> advanced_circuit;
		science3 -> smart_inserter;
		science3 -> steel_plate;
	}

	
	// Force force some nodes to be closer to each other to make things look nicer.
	sulfuric_acid -> plastic_bar [style=invis];
	{
		rank=same;
		coal;
		iron_ore;
	}
	{
		rank=same;
		steel_plate;
		smart_inserter;
		advanced_circuit;
		battery;
	}
}