Maybe nearing the final commit

julia/cost_table.jl

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+using Thesis
+using SPICE
+using LinearAlgebra
+using Dates
+using PlotlyJS
+
+try
+  furnsh("../../spice_files/naif0012.tls")
+  furnsh("../../spice_files/de430.bsp")
+catch
+  furnsh("spice_files/naif0012.tls")
+  furnsh("spice_files/de430.bsp")
+end
+
+function cost(m::Union{Mission, Mission_Guess})
+  norm_mass = (m.start_mass - prop(m)[7]) / m.start_mass
+  norm_C3 = ( m.launch_v∞ ⋅ m.launch_v∞ ) / 200.
+  return 3norm_mass + norm_C3
+end
+
+function get_id(m::Mission)
+  letters = "E"
+  for phase in m.phases letters *= phase.planet.name[1] end
+  letters *= " "
+  letters *= string(cost(m))
+  return letters
+end
+
+missions = Vector{Mission}()
+folders = readdir("/home/connor/projects/thesis/archive/saturn", join=true)
+for folder in folders
+  try
+    push!(missions, ingest(folder * "/mission"))
+  catch e
+    println("Ingestion failure")
+  end
+end
+
+sorted_missions = sort(missions, by=cost)
+
+@show get_id.(sorted_missions)
+