Ported Functions

Measurement

• along
• area
• bbox
• bboxPolygon
• bearing
• center
• centerOfMass
• centroid
• destination
• distance
• envelope
• greatCircle
• length
• midpoint
• pointOnFeature
• polygonTangents
• pointToLineDistance
• rhumbBearing
• rhumbDestination
• rhumbDistance
• square

Coordinate Mutation

• cleanCoords
• flip
• rewind
• round
• truncate

Transformation

• bboxClip
• bezierSpline
• buffer
• circle
• clone
• concave
• convex
• difference
• dissolve
• intersect
• lineOffset
• simplify
• tessellate
• transformRotate
• transformTranslate
• transformScale
• union
• voronoi

Feature Conversion

• combine
• explode
• flatten
• lineToPolygon
• polygonize
• polygonToLine

Miscellaneous

• kinks
• lineArc
• lineChunk
• lineIntersect Partially implemented.
• lineOverlap
• lineSegment
• lineSlice
• lineSliceAlong
• lineSplit
• mask
• nearestPointOnLine
• sector
• shortestPath
• unkinkPolygon

Helper

Use the GeoJson DSL instead.

Random

• randomPosition
• randomPoint
• randomLineString
• randomPolygon

Data

• sample

Interpolation

• interpolate
• isobands
• isolines
• planepoint
• tin

Joins

• pointsWithinPolygon
• tag

Grids

• hexGrid
• pointGrid
• squareGrid
• triangleGrid

Classification

• nearestPoint

Aggregation

• collect
• clustersDbscan
• clustersKmeans

Meta

Many GeoJson objects implement Collection, enabling standard Kotlin collection operations to replace Turf meta functions.

Assertations

• collectionOf
• containsNumber
• geojsonType
• featureOf

Booleans

• booleanClockwise
• booleanContains
• booleanCrosses
• booleanDisjoint
• booleanEqual
• booleanOverlap
• booleanParallel
• booleanPointInPolygon
• booleanPointOnLine
• booleanWithin

Unit Conversion

For converting between units of length, area, and angle, see the Units module.

• toMercator
• toWgs84