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Turf Port to Java

More information about the Turf for Java library can be found at https://www.mapbox.com/android-docs/java-sdk/overview/turf/

This document tracks the progress being made to port over all of the Turf functionality to Java. This is an on going project and funtions are being added once needed. If you'd like to contribute by adding a Turf function that's missing, please open a GitHub issue still with information relative to why you need this functionality.

Below's an on going list of the Turf functions which currently exist inside the services-turf module in this project:

Measurement

  • turf-along
  • turf-area
  • turf-bbox
  • turf-bbox-polygon
  • turf-bearing
  • turf-center
  • turf-center-of-mass
  • turf-centroid
  • turf-destination
  • turf-distance
  • turf-envelope
  • turf-length
  • turf-midpoint
  • turf-point-on-feature
  • turf-polygon-tangents
  • turf-point-to-line-distance
  • turf-rhumb-bearing
  • turf-rhumb-destination
  • turf-rhumb-distance
  • turf-square
  • turf-great-circle

Coordinate Mutation

  • turf-clean-coords
  • turf-flip
  • turf-rewind
  • turf-truncate
  • round use Math.round() instead

Transformation

  • turf-bbox-clip
  • turf-bezier-spline
  • turf-buffer
  • turf-circle
  • turf-clone
  • turf-concave
  • turf-convex
  • turf-difference
  • turf-dissolve
  • turf-intersect
  • turf-line-offset
  • turf-simplify
  • turf-tesselate
  • turf-transform-rotate
  • turf-transform-translate
  • turf-transform-scale
  • turf-union
  • turf-voronoi

Feature Conversion

  • turf-combine
  • turf-explode
  • turf-flatten
  • turf-line-to-polygon
  • turf-polygonize
  • turf-polygon-to-line

Misc

  • turf-kinks
  • turf-line-arc
  • turf-line-chunk
  • turf-line-intersect
  • turf-line-overlap
  • turf-line-segment
  • turf-line-slice
  • turf-line-slice-along
  • turf-line-split
  • turf-mask
  • turf-nearest-point-on-line
  • turf-sector
  • turf-shortest-parth
  • turf-unkink-polygon

Helper

The helper functions are all part of the GeoJson module; this class contains unit conversion and additional functionality to help other calculations.

Random

  • turf-random-interpolate
  • turf-random-isobands
  • turf-random-isolines
  • turf-random-planepoint
  • turf-random-tin

Data

  • turf-sample

Joins

  • turf-inside // not in Turf
  • turf-tag
  • turf-points-within-polygon

Grids

  • turf-hex-grid
  • turf-point-grid
  • turf-square-grid
  • turf-triangle-grid

Classification

  • turf-nearest-point

Aggregation

  • turf-collect
  • turf-clusters-dbscan
  • turf-clusters-kmeans

Meta

  • coordAll
  • coordEach
  • coordReduce
  • featureEach
  • featureReduce
  • flattenEach
  • flattenReduce
  • getCoord
  • getCoords
  • getGeom
  • getType
  • geomEach
  • geomReduce
  • propEach
  • propReduce
  • segmentEach
  • segmentReduce
  • getCluster
  • clusterEach
  • clusterReduce

Assertions

All of these are already enforced in the GeoJson module

  • collectionOf
  • containsNumber
  • geojsonType
  • featureOf

Booleans

  • turf-boolean-clockwise
  • turf-boolean-contains
  • turf-boolean-crosses
  • turf-boolean-disjoint
  • turf-boolean-equal
  • turf-boolean-overlap
  • turf-boolean-parallel
  • turf-boolean-point-in-polygon
  • turf-boolean-point-on-line
  • turf-boolean-within

Unit Conversion

  • bearingToAzimuth
  • convertArea
  • convertLength
  • degreesToRadians
  • lengthToRadians
  • lengthToDegrees
  • radiansToLength
  • radiansToDegrees
  • toMercator
  • toWgs84

Others not documented?

  • clusterEachCallback

  • clusterReduceCallback

  • removeEmptyPolygon

  • ab

  • coordEachCallback

  • coordReduceCallback

  • propEachCallback

  • propReduceCallback

  • featureEachCallback

  • featureReduceCallback

  • geomEachCallback

  • geomReduceCallback

  • flattenEachCallback

  • flattenReduceCallback

  • segmentEachCallback

  • segmentReduceCallback

  • turf-invariant

  • turf-helpers

  • turf-projection

  • turf-clean-coords