QuickStart

Installation

Install the latest version of CopernicusData.jl using the Julia's built-in package manager (accessed by pressing ] in the Julia REPL command prompt):

julia> ]
(v1.10) pkg> add CopernicusData

The package can be updated via the package manager by

(v1.10) pkg> update CopernicusData

Open Sentinel-3 SLSTR Level-2 LST product

using CopernicusData
using CairoMakie
using Downloads

const PRODUCT_PATH = "https://common.s3.sbg.perf.cloud.ovh.net/eoproducts"
const SLSLST="S03SLSLST_20191227T124111_0179_A109_T883.zarr.zip"

slstr_path = joinpath(PRODUCT_PATH, SLSLST)
local_path = joinpath(tempdir(),SLSLST)
Downloads.download(slstr_path, local_path)

yaxt = open_datatree(local_path)
yaxt

📂 root
├─ 📂 conditions
├─ ├─ 📂 auxiliary
├─ ├─ └─ 📂 orphan
├─ ├─ 📂 geometry
├─ ├─ 📂 meteorology
├─ ├─ 📂 processing
├─ ├─ └─ 📂 orphan
├─ └─ 📂 time
├─ 📂 measurements
├─ └─ 📂 orphan
└─ 📂 quality
└─ └─ 📂 orphan

lat=yaxt.measurements.latitude.data
lon=yaxt.measurements.longitude.data
lst=yaxt.measurements.lst.data
min,max = minimum(skipmissing(lst)), maximum(skipmissing(lst))
val=replace(lst, missing => 0.0)


fig=Figure(size=(800,600))
ax1=Axis(fig[1, 1], title=yaxt.measurements.lst.properties["long_name"],
     xlabel="Longitude", ylabel="Latitude")
s=surface!(ax1,lon, lat, zeros(size(lon));
     color=val,colorrange=(min,max),colormap=:rainbow, shading=NoShading)
     Colorbar(fig[1, 2], s)
fig