Decoding the Naming Schemes of Universal Cartographics CMDR Jackie Silver amp CMDR Alot Who is this guy Whats a DISC when its at home Dartboard of Inexact Science amp Cartography Small group of CMDRs ID: 763578
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Decoding the Naming Schemesof Universal Cartographics CMDR Jackie Silver & CMDR Alot
Who is this guy?!
What’s a DISC when it’s at home? Dartboard of Inexact Science & Cartography Small group of CMDRs Aim to understand how t he E:D galaxy works Categorising sectors, stars, planets, moons, m aterials…
Sector Naming: the problem Eol Prou RS-T d3-94 [-9530.5, - 910.28125, 19808.125] Aiming for quick lookup of locations Fuel Rat dispatch – how far away?Historical flight logs – where did I go?
ACHTUNG! WARNING: TECHNICAL CONTENT!
ACHTUNG! WARNING: SOME GUESSWORK!
Does our solution work? Systems with coords : 882899
Does our solution work? PG systems with coords : Correctly predicted: Incorrectly predicted: 841729 84166762
Does our solution work? PG systems with coords : Correctly predicted: Questionable EDSM data: 841729 84166762 (0.007% !!)
Made up of 1280 x 1280 x 1280 Ly cubesWe call them “sectors”What’s in a galaxy? Ignoring hand-authored sectors, for now… e.g. Col 70, Orion Sector, NGC 1333 Seemingly arbitrary grid Closest sector corner to Sol is [-65, -25, 215] Makes sense in FD’s internal coord system
What’s in a name? Eol Prou Synuefe Byae AowsyAucoks Col 70 Sector RS-T d3-94AC-D b32-3 AA-A h0 ED-I a119-1 ZF-K c10-0 Sector Names System Identifiers Alioth
EL-Y d4EL-Y d 0- What’s in a system identifier? AC-D b32- L1 L2 L3 M N1 N2 L1 L2 L3 M N1 N2 3 4 M: single lower-case letter, a – h L1, L2, L3: single upper-case letter N1, N2: positive integer number (any length)
EL-Y d0- What’s in a system identifier? AC-D b32- L1 L2 L3 M N1 L1 L2 L3 M N1 Mass code of system (or primary star?) a: mostly unscoopables (L, T, Y, TTS) b: mostly class M, some TTS c: mostly class M/K/G/F d: mostly class F/A/B e-h: mostly class B/O/BH/NS/other exotics
EL-Y d0- What’s in a system identifier? AC-D b32- L1 L2 L3 M N1 L1 L2 L3 M N1 Other parts identify position within sector AA-A a 0- 0, BA-A a 0- 0, … … ZA-A a 0- 0, AB-A a 0- 0, BB-A a 0- 0, … … ZZ-A a 0- 0, AA-B a 0- 0, BA-B a 0- 0, … … ZZ-Z a 0- 0, AA-A a1-0, BA-A a1-0, …
What’s in a system identifier? 1280 Ly
What’s in a system identifier? Ceeckia AA-A a 0-
What’s in a system identifier? Ceeckia BA-A a 0-
What’s in a system identifier?
What’s in a system identifier?
What’s in a system identifier?
What’s in a system identifier?
What’s in a system identifier? d c b a
What’s in a system identifier? h g f e d 1280 Ly
Questions?
What’s in a name? Eol Prou Synuefe Byae AowsyAucoks Col 70 Sector RS-T d3-94AC-D b32-3 AA-A h0 ED-I a119-1 ZF-K c10-0 Sector Names System Identifiers
What’s in a sector name? Imagine the galaxy is a giant slice of Battenberg which for reasons beyond our ken has had small chunks of carrot cake pushed into it all over the place... “ ”
What’s in a sector name? Aucoks Dryau Aowsy Two loosely-related naming schemes Same galaxy width: 128 sectors or 163,840Ly Same galaxy origin point (“bottom left”) C1 C2
Galactic origin … no, not that one
What’s in a sector name? Aucoks Dryau Aowsy Two loosely-related naming schemes Same galaxy width: 128 sectors or 163,840Ly Same galaxy origin point (“bottom left”) Use the same pool of fragments C1 C2
What’s a fragment?! Aucoks Ceeckia Stuemeae Lysoorb Isheau Soad Dryau Aowsy Blu Ain Myeia Thaa Praea Euq Graea Eork Praei Bre
What’s a fragment?! Au - c - o - ksC -ee- ck-ia St - ue - m - eae Lys - oo - rb I - sh - eau S - oa - d Dry - au Ao - wsy Bl - u Ai - n My - eia Th - aa Pr - aea Eu - q Gr - aea Eo - rk Pr - aei Br - e
What’s a fragment?! Prefixes: Th , Eo , Oo, Eu, Tr, Sly, Dry, Ou, Tz, Phl, Ae, Sch, Hyp , Syst , Ai , Kyl , Phr , Eae , Ph , Fl , Ao , Scr , Shr , Fly, Pl, Fr, Au, Pry, Pr , Hyph , Py , Chr , Phyl , Tyr, Bl , Cry, Gl , Br, Gr, By, Aae , Myc , Gyr , Ly , Myl , Lych , Myn , Ch , Myr , Cl, Rh, Wh , Pyr , Cr, Syn , Str , Syr , Cy, Wr , Hy , My , Sty , Sc , Sph , Spl , A , Sh , B, C, D, Sk , Io, Dr, E, Sl , F, Sm, G, H, I , Sp , J, Sq , K , L, Pyth , M, St, N, O, Ny , Lyr , P, Sw , Thr , Lys, Q, R, S , T , Ea , U, V, W , Schr , X, Ee , Y, Z, Ei , Oe Infixes: o, ai , a, oi, ea , ie , u, e, ee , oo , ue , i , oa , au, ae, oe ll , ss , b, c, d, f, dg, g, ng , h, j, k, l, m, n, mb , p , q, gn , th , r , s , t, ch , tch , v, w, wh , ck , x, y, z, ph , sh , ct , wr Suffixes: oe , io , oea , oi, aa, ua , eia , ae, ooe , oo , a, ue , ai , e, iae , oae , ou , uae , i , ao , au, o, eae , u, aea , ia , ie , eou , aei , ea , uia , oa , aae , eau, ee b, scs , wsy , c, d, vsky , f, sms , dst , g, rb , h, nts , ch , rd , rld , k , lls , ck , rgh , l, rg , m, n, hm , p, hn , rk , q, rl , r, rm , s , cs , wyg , rn , ct , t, hs , rbs , rp , tts , v, wn , ms , w, rr , mt , x , rs , cy, y, rt , z, ws , lch , my , ry , nks , nd , sc , ng, sh , nk , sk , nn , ds, sm , sp , ns, nt , dy , ss , st , rrs , xt , nz , sy , xy , rsch , rphs , sts , sys, sty, th , tl , tls , rds , nch , rns , ts , wls , rnt , tt , rdy , rst , pps , tz , tch , sks , ppy , ff , sps , kh , sky , ph , lts , wnst , rth , ths , fs, pp, ft , ks , pr , ps , pt , fy , rts , ky , rshch , mly , py , bb, nds , wry, zz , nns , ld , lf, gh , lks , sly, lk , ll , rph , ln , bs , rsts , gs , ls, vvy , lt , rks , qs , rps , gy , wns , lz , nth, phs
What’s in a sector name? Aucoks Dryau Aowsy Two loosely-related naming schemes Same galaxy width: 128 sectors or 163,840Ly Same galaxy origin point (“bottom left”) Use the same pool of fragments C1 C2
What’s in a 2-word sector name?
What’s in a 2-word sector name? Fly - ue Hyp - a
What’s in a 2-word sector name? 306254 / 841729 Flyua Hypeia Flyeia Hypeia Flyua Hypae Flyeia Hypae Flyae Hypeia Flyooe Hypeia Flyae Hypae Flyooe Hypae Flyua Hypooe Flyeia Hypooe Flyua Hypoo Flyeia Hypoo Flyae Hypooe Flyooe Hypooe Flyae Hypoo Flyooe Hypoo Flyoo Hypeia Flya Hypeia Flyoo Hypae Flya Hypae Flyue Hypeia Flyai Hypeia Flyue Hypae Flyai Hypae Flyoo Hypooe Flya Hypooe Flyoo Hypoo Flya Hypoo Flyue Hypooe Flyai Hypooe Flyue Hypoo Flyai Hypoo Flyua Hypa Flyeia Hypa Flyua Hypue Flyeia Hypue Flyae Hypa Flyooe Hypa Flyae Hypue Flyooe Hypue Flyua Hypai Flyeia Hypai Flyua Hype Flyeia Hype Flyae Hypai Flyooe Hypai Flyae Hype Flyooe Hype Flyoo Hypa Flya Hypa Flyoo Hypue Flya Hypue Flyue Hypa Flyai Hypa Flyue Hypue Flyai Hypue Flyoo Hypai Flya Hypai Flyoo Hype Flya Hype Flyue Hypai Flyai Hypai Flyue Hype Flyai Hype
What’s in a 1-word sector name? Flyueho
What’s in a 1-word sector name?
What’s in a 1-word sector name?
What’s in a 1-word sector name? Screanao Screanau Screano Screaneae Screanu Screanaea Screania Screanie ScreaneouScreanaei Screanea Screanuia Screanoa Screanaae Screaneau Screanee Screamboe Screambio Screamboea Shredie Shredeou Shredaei Shredea Shreduia Shredoa Shredaae Shredeau Shredee Shrefoe Shrefio Flyuehai Flyuehe Flyuehiae Flyuehoae Flyuehou Flyuehuae Flyuehi Flyuehao Flyuehau Flyueho Flyueheae Flyuehu Flyuehaea Flyuehia Flyuehie Flyueheou Flyuehaei Flyuehea Flyuehuia Flyuehoa Pliqou Pliquae Pliqi Pliqao Pliqau Pliqo Pliqeae Pliqu Pliqaea Pliqia Pliqie Pliqeou Pliqaei Pliqea
What’s in a 1-word sector name? Offsets: reduce names to a single integer Works for both C1 and C2 Ceeckia 1131430 Flyue Hypa 50100 Slight hiccup with C1…
How to choose which to use? Both schemes cover the whole galaxy How does the game know which one to use?
How to choose which to use? Both schemes cover the whole galaxy How does the game know which one to use? A hash function A good hash function Bob Jenkins’ good hash function!
Procedural Explanation We can now: Convert between sector names and positions Determine position within a sector Convert between names and positions of individual systems! 721439 / 841729
Questions?
What about the nebulae? Spheres – have a centre and a radius More generally: hand-authored (HA) sectors Smaller radius wins Higher on priority list wins Collisions!
What about the nebulae? Col 70 Sector ZF-K c10-0 HA sectors have system identifiers! But they aren’t cubes… or are they?
What about the nebulae?
What about the nebulae?
That would be far too easy.
That would be far too easy.
That would be far too easy.
That would be far too easy.
Tier 10 of 10, Global Rewards … 841667 / 841729 Full solution in Python, with API Can predict all known non-named systems Web demo: edts.thargoid.space DISC wiki: disc.thargoid.space
Questions? edts.thargoid.space disc.thargoid.space
Thank you for your time! edts.thargoid.space disc.thargoid.space