near/earth-observation-for-journalism
1
0
Fork 0
mirror of https://github.com/heyarne/earth-observation-for-journalism.git synced 2026-05-06 19:13:40 +02:00
Code Issues Projects Releases Wiki Activity

Merge branch 'main' of github.com:heyarne/remote-sensing-for-journalism into main

Browse source
This commit is contained in:
heyarne 2021-03-18 11:21:45 +00:00
commit 86096cabc6
2 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

2
sources/01-overview.md
View file

@ -4,6 +4,6 @@ The first chapter contains notebooks that document the data retrieval process fr
It explains how to use the [`sentinelsat`](https://github.com/sentinelsat/sentinelsat) library to interact with the HTTP API: How to specify what kind of data we are interested in with the aide of open map data from [OpenStreetMap](https://www.openstreetmap.org/) and [`geopandas`](https://geopandas.org/) and how to download it. It then goes on to show how to use [`rasterio`](https://rasterio.readthedocs.io/) and [`numpy`](https://numpy.org/) to read and process the downloaded data and [`matplotlib`](https://matplotlib.org/stable/index.html) to visualize it. It explains how to use the [`sentinelsat`](https://github.com/sentinelsat/sentinelsat) library to interact with the HTTP API: How to specify what kind of data we are interested in with the aide of open map data from [OpenStreetMap](https://www.openstreetmap.org/) and [`geopandas`](https://geopandas.org/) and how to download it. It then goes on to show how to use [`rasterio`](https://rasterio.readthedocs.io/) and [`numpy`](https://numpy.org/) to read and process the downloaded data and [`matplotlib`](https://matplotlib.org/stable/index.html) to visualize it.
The Sentinel-2 mission is a part of the [Copernicus earth observation missions of the ESA](http://www.esa.int/Applications/Observing_the_Earth/Copernicus), which provide open satellite data to anyone. Sentinel-2 is a group of satellites that capture electromagnetic radiation. A part of this is visible light, so it can be used to create detailed satellite maps, but a large part of this is invisible. It can be used to infer information on all kinds of ground-level phenomena where other data sources are scarce The Sentinel-2 mission is a part of the [Copernicus Earth observation program](http://www.esa.int/Applications/Observing_the_Earth/Copernicus), which provides open earth observation data to anyone. Sentinel-2 is a group of satellites that capture electromagnetic radiation. A part of this is visible light, so it can be used to create detailed satellite maps, but a large part of the captured data is invisible. It can be used to infer information on all kinds of ground-level phenomena where other data sources are scarce.
This chapter will detail how to retrieve, interpret and manipulate this data, and ends with a notebook that can create a true color image using recent satellite data for any area. This chapter will detail how to retrieve, interpret and manipulate this data, and ends with a notebook that can create a true color image using recent satellite data for any area.

2
sources/01d-true-color-mosaic.ipynb
View file

@ -823,7 +823,7 @@
"cell_type": "markdown", "cell_type": "markdown",
"metadata": {}, "metadata": {},
"source": [ "source": [
"### Band Merge\n", "### Merging Tiles per Band\n",
"\n", "\n",
"Reprojected raster files are merged per band using the `merge` function in the `rasterio.merge` module.\n", "Reprojected raster files are merged per band using the `merge` function in the `rasterio.merge` module.\n",
"In contrast to the reprojection just performed, this task cannot trivially be parallelized because the result of each step depends on the output of the previous step.\n", "In contrast to the reprojection just performed, this task cannot trivially be parallelized because the result of each step depends on the output of the previous step.\n",