Port great-circle from turf (#50)#85
Open
trasch wants to merge 2 commits into
Open
Conversation
Adds GISTool.greatCircle(from:to:npoints:offset:) computing great circle arcs between two coordinates. Returns LineString or MultiLineString (split at antimeridian when crossing).
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Summary
Ported
turf-great-circlefrom Turf.js.New file:
Sources/GISTools/Algorithms/GreatCircle.swiftGISTool.greatCircle(from:to:npoints:offset:)computes points along the great circle arc between two coordinates using spherical linear interpolation (slerp).LineStringwithnpointscopies of the coordinateMultiLineStringsplit at ±180°LineStringwithnpointscoordinatesTests:
GreatCircleTests.swift(7 tests)greatCircleSameHemispheregreatCircleCrossingAntimeridiangreatCircleSamePointgreatCircleCustomNpointsgreatCircleEquatorgreatCircleNorthSouthgreatCircleMinPointsTest results
273 tests pass across 60 suites (+7 new).
Closes #50