tcell: Input and output of a temporal cell in its text form

asText, asBinary, asHexWKB, asMFJSON: Serialize a temporal cell as text, as binary, as hexadecimal well-known binary, or as MF-JSON

tcellFromBinary, tcellFromHexWKB, tcellFromMFJSON: Reconstruct a temporal cell from its binary, hexadecimal, or MF-JSON representation

tcell: Construct a temporal cell holding one cell over a time value

tcellInst, tcellSeq, tcellSeqSet: Construct a temporal cell of a given subtype from its components

::: Convert between a tcell and a tbigint

::: Cast a temporal cell to a temporal geodetic or planar point of cell centroids

startValue, endValue, valueN: Return the first, the last, or the nth distinct cell identifier of a temporal value

getValues: Return the set of distinct cell identifiers the trajectory takes

valueAtTimestamp: Return the cell identifier at a given timestamp, using step interpolation

shiftTime, scaleTime, shiftScaleTime: Shift, scale, or shift and scale the time span of a temporal cell

appendInstant, appendSequence: Append a temporal instant or a temporal sequence

merge: Merge the temporal cells

setInterp: Set the interpolation of a temporal cell

insert, update: Insert a temporal cell into another one, or update one with another

deleteTime: Delete a time value from a temporal cell

atValue, minusValue, atValues, minusValues: Restrict a temporal cell to (the complement of) a cell or a set of cells

atTime, minusTime: Restrict a temporal cell to (the complement of) a time value

geoToH3Cell, geoToQuadbinCell, geoToS2Cell: Return the cell of a grid that contains a point geometry at the given resolution

cellset: Return the set of cells of a grid covering a geometry at the given resolution

eEq: Return whether a temporal cell trajectory ever takes one of the cells in a cell set

getResolution: Return the resolution of each cell in a trajectory

isValidCell: Return a temporal boolean stating at each instant whether the value is a valid cell

cellToParent: Return the temporal parent cell at the given resolution

tcell: Return the temporal cell at the given resolution that contains each point in a temporal geodetic or planar point

cellToPoint, tgeompoint: Return the temporal geodetic centroid of each cell in a trajectory

cellToBoundary: Return the temporal polygon boundary of each cell in a trajectory, as a temporal geography

stbox, expandSpace: Return the spatiotemporal bounding box of a temporal cell, or that box expanded in the spatial dimension by a float value

&&, @>, <@, ~=, -|-: Topological operators

<<, &<, &>, >>, <<|, &<|, |&>, |>>, <<#, &<#, #>>, #&>: Position operators

cellArea: Return the area of a cell, and the temporal area of each cell in a trajectory

gridDisk: All cells within k grid steps of the origin

cellToChildren: All children of a cell at the given target resolution

compactCells: Compacted representation of a cell set, finer cells being merged into their parent whenever the parent's full set of children is present

uncompactCells: Uncompacted representation at the given resolution, the inverse of compactCells

eContains, aContains, eCovers, aCovers, eDisjoint, aDisjoint, eDwithin, aDwithin, eIntersects, aIntersects, eTouches, aTouches: Ever and always relationships

tContains, tCovers, tDisjoint, tDwithin, tIntersects, tTouches: Spatiotemporal relationships

=, <>, <, >, <=, >=: Traditional comparisons

eEq, aEq, eNe, aNe, ?=, ?<>, %=, %<>: Ever and always comparisons

tEq, tNe, #=, #<>: Temporal comparisons

tCount: Temporal count

wCount: Window count

mergeAgg, appendInstantAgg, appendSequenceAgg: Aggregate a set of temporal cells by merging them, or by assembling them into a sequence or a sequence set

th3GetBaseCellNumber: Return the temporal base-cell number (0–121) of each cell in a trajectory

th3IsResClassIii: Return a temporal boolean stating whether each cell has Class-III orientation

th3IsPentagon: Return a temporal boolean stating whether each cell is a pentagon

th3CellToCenterChild: Return the temporal center-child cell at the given resolution

th3CellToChildPos: Return the ordinal position (0-based) of each cell among the children of its parent at the given resolution

th3ChildPosToCell: Return the temporal child cell at a given ordinal position of the given parent, at the given child resolution

h3GridRing: The cells at exactly k grid steps from the origin

h3GridPathCells: The inclusive path of cells between two cells of the same resolution

h3OriginToDirectedEdges: All outgoing directed edges of a cell

h3CellToVertexes: All vertexes of a cell

h3GetIcosahedronFaces: The icosahedron face indexes (0..19) intersected by a cell

th3EdgeLength: Return the temporal length of each directed edge in a trajectory, in metres

greatCircleDistance: Return the temporal great-circle distance between two temporal geodetic points (not between cells)

th3AreNeighborCells: Return a temporal boolean stating whether two temporal cells are grid neighbours at each instant

th3CellsToDirectedEdge: Return a temporal directed-edge identifier from an origin/destination pair of temporal cells

isValidDirectedEdge: Return a temporal boolean stating at each instant whether the value is a valid H3 directed edge

th3GetDirectedEdgeOrigin, th3GetDirectedEdgeDestination: Return the temporal origin or destination cell of a temporal directed edge

th3DirectedEdgeToBoundary: Return the temporal polygon boundary of each directed edge in a trajectory, as a temporal geography

th3CellToVertex: Return the temporal H3 vertex at the given vertex number

th3VertexToPoint: Return the temporal geodetic coordinates of each vertex in a trajectory

isValidVertex: Return a temporal boolean stating at each instant whether the value is a valid H3 vertex

th3GridDistance, <->: Return the temporal grid-hop distance (number of single-cell steps) between two temporal cells

th3CellToLocalIj, th3LocalIjToCell: Convert between a temporal cell and a temporal local (I, J) coordinate pair relative to an origin temporal cell

isValidIndex: Return whether a value is a structurally valid QUADBIN identifier

quadbinCellSibling: Return the neighbouring cell at the same resolution in the given direction

quadbinCellToQuadkey, tquadbinCellToQuadkey: Emit the base-4 slippy-tile quadkey string of a cell

quadbinCellToTile: Decompose a cell back into its tile coordinate triple, returned as an integer array holding x, then y, then z

quadbinTileToCell: Build a cell from slippy-map tile coordinates: column x, row y, and zoom z

s2GetFace: Return the cube face in 0 to 5 an S2 cell sits on

s2CellToToken, s2TokenToCell, ts2CellToToken: Convert between an S2 cell and its token, the form the S2 libraries publish

s2CommonAncestorLevel: Return the level of the deepest cell containing two S2 cells

s2CellContains: Return true if the first S2 cell contains the second one

s2RangeMin, s2RangeMax: Return the first and the last leaf cell an S2 cell contains

s2CellToChild: Return the descendant of an S2 cell at the given position along the Hilbert curve

s2EdgeLength: Return the length in metres of an edge of an S2 cell

s2EdgeNeighbors: Return the four cells sharing an edge with an S2 cell