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ArchGDAL

GDAL is a translator library for raster and vector geospatial data formats that is released under an X/MIT license by the Open Source Geospatial Foundation. As a library, it presents an abstract data model to drivers for various raster and vector formats.

This package aims to be a complete solution for working with GDAL in Julia, similar in scope to the SWIG bindings for Python and the user-friendliness of Fiona and Rasterio. It builds on top of GDAL.jl, and provides a high level API for GDAL, espousing the following principles.

Principles (The Arch Way)

(adapted from: https://wiki.archlinux.org/index.php/Arch_Linux#Principles)

simplicity: ArchGDAL tries to avoid unnecessary additions or modifications. It preserves the GDAL Data Model and requires minimal dependencies.
modernity: ArchGDAL strives to maintain the latest stable release versions of GDAL as long as systemic package breakage can be reasonably avoided.
pragmatism: The principles here are only useful guidelines. Ultimately, design decisions are made on a case-by-case basis through developer consensus. Evidence-based technical analysis and debate are what matter, not politics or popular opinion.
user-centrality: Whereas other libraries attempt to be more user-friendly, ArchGDAL shall be user-centric. It is intended to fill the needs of those contributing to it, rather than trying to appeal to as many users as possible.
versatility: ArchGDAL will strive to remain small in its assumptions about the range of user-needs, and to make it easy for users to build their own extensions/conveniences.

Installation

To install this package, run the following command in the Pkg REPL-mode,

pkg> add ArchGDAL

To test if it is installed correctly,

pkg> test ArchGDAL

Please see the changelog for any changes in the installed version.

Getting Involved

Community

This package will not be possible without JuliaLang, GDAL and GDAL.jl. They are maintained by https://julialang.org/community/, https://www.osgeo.org/ and https://juliageo.org/ respectively. In case of any contention for support and involvement, we encourage participation and contributions to those projects and communities over this package.

Style Guide

ArchGDAL.jl uses JuliaFormatter.jl as an autoformatting tool, and uses the options in .JuliaFormatter.toml.

If you wish to format code, cd to the ArchGDAL.jl directory, then run:

] add JuliaFormatter
using JuliaFormatter
format(".")

Dependencies

To manage the dependencies of this package, we work with environments:

Navigate to the directory corresponding to the package:

$ cd /Users/yeesian/.julia/dev/ArchGDAL
/Users/yeesian/.julia/dev/ArchGDAL

Start a session:

$ julia --project

Activate the environment corresponding to Project.toml):

(@v1.6) pkg> activate .
  Activating environment at `~/.julia/environments/v1.6/Project.toml`

Manage the dependencies using Pkg in https://pkgdocs.julialang.org/v1.6/managing-packages/, e.g.

(ArchGDAL) pkg> st
     Project ArchGDAL v0.6.0
      Status `~/.julia/dev/ArchGDAL/Project.toml`
  [3c3547ce] DiskArrays
  [add2ef01] GDAL
  [68eda718] GeoFormatTypes
  [cf35fbd7] GeoInterface
  [bd369af6] Tables
  [ade2ca70] Dates

(ArchGDAL) pkg> add CEnum
   Resolving package versions...
    Updating `~/.julia/dev/ArchGDAL/Project.toml`
  [fa961155] + CEnum v0.4.1
  [3c3547ce] + DiskArrays v0.2.7
  [add2ef01] + GDAL v1.2.1
  [68eda718] + GeoFormatTypes v0.3.0
  [cf35fbd7] + GeoInterface v0.5.5
  [bd369af6] + Tables v1.4.2

Update the [compat] section of Project.toml so that julia can resolve the versions, e.g.

[compat]
...
CEnum = "0.4"