convert ~/pencil-code/axel/displacement/GW/p512b73a/bb3_0000.png A0.pnm
convert ~/pencil-code/axel/displacement/GW/p512b73a/bb3_0003.png A1.pnm
convert ~/pencil-code/axel/displacement/GW/p512b73a/bb3_0008.png A2.pnm
convert ~/pencil-code/axel/displacement/GW/p512b73a/bb3_0018.png A3.pnm

convert ~/pencil-code/axel/displacement/GW/p512b3i25c/bb3_0001.png B0.pnm
convert ~/pencil-code/axel/displacement/GW/p512b3i25c/bb3_0004.png B1.pnm
convert ~/pencil-code/axel/displacement/GW/p512b3i25c/bb3_0009.png B2.pnm
convert ~/pencil-code/axel/displacement/GW/p512b3i25c/bb3_0019.png B3.pnm

convert ~/pencil-code/axel/displacement/GW/p512b17c_k02b/bb3_0001.png C0.pnm
convert ~/pencil-code/axel/displacement/GW/p512b17c_k02b/bb3_0004.png C1.pnm
convert ~/pencil-code/axel/displacement/GW/p512b17c_k02b/bb3_0009.png C2.pnm
convert ~/pencil-code/axel/displacement/GW/p512b17c_k02b/bb3_0019.png C3.pnm

pnmcat -lr A0.pnm A1.pnm A2.pnm A3.pnm > A.pnm
pnmcat -lr B0.pnm B1.pnm B2.pnm B3.pnm > B.pnm
pnmcat -lr C0.pnm C1.pnm C2.pnm C3.pnm > C.pnm
pnmcat -tb A.pnm B.pnm C.pnm > ABC.pnm
#pnmcat -tb A.pnm B.pnm > AB.pnm
convert ABC.pnm ABC.png
convert ABC.pnm ABC.jpg
jpeg2ps ABC.jpg > fig/ABC.eps
#convert AB.pnm AB.jpg
#convert AB.pnm ~/GitHub/Axel/RelicGWs_from_InflationaryMagnetogenesis/fig/AB_1024b68d.png
#jpeg2ps AB.jpg > ~/GitHub/Axel/RelicGWs_from_InflationaryMagnetogenesis/fig/AB_1024b68d.eps