DeepestHomogeneous - Find deepest homogeneous field that can be made out of portals.

LargestCobweb - Find largest possible cobweb of portals to be made.

LargestDoubleHerringbone - Find largest possible multilayer of portals to be made.

LargestDoubleHerringboneMT - Find largest possible multilayer of portals to be made, parallel version.

LargestDoubleHerringboneST - Find largest possible multilayer of portals to be made, using a single thread.

LargestFlipField -.

LargestHerringbone - Find largest possible multilayer of portals to be made.

LargestHerringboneMT - Find largest possible multilayer of portals to be made, parallel version.

LargestHerringboneST - Find largest possible multilayer of portals to be made, using a single thread.

LargestThreeCorner - Find best way to connect three groups of portals.

ParseFile parses file to portal list.

2e+7 / math.Pi.

IndexedPortal - Portal plus a number.

Portal - portal with geographic coordinates in s2.Point format.

PortalCoordinates - portal coordinates in textual format.

PortalInfo - portal with geographic coordinated in textual format.