gdal-swift

This is GDAL static library builded for ios platform, with swift binding

Installation

For installation GDAL you can use Swift Package Manager or Cocoapods

Swift Package Manager

Use Xcode menu File -> Add Package Dependencies... and add this repository url in search field.

https://github.com/syngenta/gdal-swift.git

Cocoapods

pod 'gdal-swift', :git => 'https://github.com/syngenta/gdal-swift.git'

TileProvider

Class for getting tiles from visual and NDVI tif files

let provider = TileProvider()

guard let path = Bundle.main.path(forResource: "file", ofType: "tif") else {
    return
}

let coordinates = TileCoordinates(x: 19747, y: 11083, z: 15)

do {
    // tileSize by default 256
    let data = try provider.visible(path: path, coordinates: coordinates, tileSize: 256)
    print(data) // tile in Data type
} catch let error {
    print(error)
}

Demo

For running Demo run commands:

cd Demo
open Demo.xcodeproj

GDAL static library compilation

For compilation gdal static library run this commands:

cd gdal-buld
./build-gdal-combined-lib.sh

After success compilation you will find gdal.xcframework.zip file in gdal-buld folder.

Then you should upload this file to Releases section in this repository.

Upload file url example:

https://github.com/syngenta/gdal-swift/releases/download/1.0.0/gdal.xcframework.zip

After uploading you need to change url in two files Package.swift and prepare_gdal.sh

Package.swift

File located in root folder. You need to change url and checksum in this file.

For caclulation checksum you can use this command:

swift package compute-checksum gdal.xcframework.zip

prepare_gdal.sh

File located in Sources/gdal/ folder. You need to change url in this file.