A native Swift library to read and write FITS files

Description

FITSKit is a pure Swift library to process the image data of FITS 4.0 file files, commonly used to store astronomical data.

The aim is to implement a modern, native Swift library to utilize the full computing power of modern apple hardware. In particuary, I was seeking for a simple solution to read, render & review FITS files on an iPad.

FITSKit is a highly plattform depenedend library. It compiles and runs exclusively on iOS / iPadOS / macCatalyst. It utilizes apples standard libraries Core Image and Accelerate to process, render & manipulate image data stored in FITS files. It is meant as an addition to the general FITS file format library FitsCore.

FITSCore	FITSKit	FITSTool
Fits file format read & write	Image rendering & manipulation	Command line tool
macOS, iOS & Linux	iOS / macCatalyst	Linux

Features

• Read & Write FITS 4.0 files
  • Image format conversion using Accelerate
  • [x| BITPIX 8 support
  • BITPIX 16 support
  • [] BITPIX 32 support
  • [] BITPIX 64 support
  • BITPIX -32 support
  • [] BITPIX -64 support
• Native code
  • Swift 5.2
  • Compiles for macCatalyst
  • Compiles for iPadOS / iOS

Getting started

Package Manager

With the swift package manager, add the library to your dependencies

dependencies: [
.package(url: "https://github.com/brampf/fitkit.git", from: "0.1.0")
]

then simply add the FITSKit import to your target

.target(name: "YourApp", dependencies: ["FITSKit"])

Documentation

Rendering Mono

import FITSKit

// crates core image reference
let cgimage = fitsFile.prime.image { error in
    // print error messages
    print(error)
}

License

MIT license; see LICENSE. (c) 2020