GEOS

GEOS is an open source C++ library for working with geospatial geometry. Learn more on its homepage. This repo makes its C interface available through Swift Package Manager and CocoaPods so you can use it in your Swift or Objective-C project. It is commonly used via GEOSwift.

Minimum Requirements

iOS 12.0, macOS 10.13, tvOS 12.0, watchOS 4.0, Linux
Swift 5.9 compiler

GEOS is licensed under LGPL 2.1 and its compatibility with static linking is at least controversial. Use of geos without dynamic linking is discouraged.

Upstream Version

GEOSwift/geos 9.0.0 packages libgeos/geos 3.13.0

Installing with CocoaPods

Update your Podfile to include:
```
 use_frameworks!
 pod 'geos'
```
Run $ pod install

Installing with Swift Package Manager

Update the top-level dependencies in your Package.swift to include:

 .package(url: "https://github.com/GEOSwift/geos.git", from: "9.0.0")

Update the target dependencies in your Package.swift to include
```
 "geos"
```

History

Starting with tag 3.7.0 in this repo, the Podspec here should match the one in the CocoaPods specs repo. This has not always been the case. For example, the 3.5.0 tag in this repo does not actually represent what you get if you install 3.5.0 from CocoaPods. Alas, this situation should be remedied as we move forward.

Version 3.7.0 is based on the actually-published 3.5.0 podspec.

Through version 3.7.1, the version numbers in this repo were designed to match the corresponding version numbers in GEOS itself. Starting with version 4.0.0, we are breaking with this pattern and will instead use semantic versioning on this build configuration itself rather than trying to match the underlying geos version. This allows us more flexibilty to improve the build config independently of the geos release cycle.

License

The build configurations provided in this repo are licensed under the GPL 2.0. See LICENSE for full details.

The contents of the Sources directory are taken from the GEOS project which is licensed under the LGPL 2.1. See Sources/COPYING for full details.

Developing

The most common development activity is updating to a new version of GEOS. To get started:

Install cmake: $ brew install cmake
Modify update.sh to indicate the version of GEOS that you wish to use.
Run update.sh
Debug any issues. The script may need to be modified to work with newer versions of the library. Please keep it up-to-date so that we have a record of how to get from the GEOS source to the end result in this repo.
Update Package.swift and geos.podspec to ensure continued support for Swift Package Manager and CocoaPods.
Test all your changes on the full matrix of supported configs (Swift Package Manager, CocoaPods) x (iOS, macOS, tvOS, watchOS) + Swift Package Manager x Linux.
Update the version numbers in geos.podspec and README.md
Update this README with any relevant information.

License

Fueled/geos

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