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

01c Coverage analysis.ipynb -> 01c Coverage Analysis.ipynb

Browse source
This commit is contained in:
heyarne 2021-03-04 16:34:58 +00:00
commit 1b5ebd0876
4 changed files with 77 additions and 86 deletions
Download patch file Download diff file Expand all files Collapse all files

2
_toc.yml
View file

@ -6,7 +6,7 @@
- file: "sources/01 Overview.md" - file: "sources/01 Overview.md"
- file: "sources/01a Download Process.ipynb" - file: "sources/01a Download Process.ipynb"
- file: "sources/01b Visualization.ipynb" - file: "sources/01b Visualization.ipynb"
- file: "sources/01c Coverage analysis.ipynb" - file: "sources/01c Coverage Analysis.ipynb"
- file: "sources/01d True-color Mosaic.ipynb" - file: "sources/01d True-color Mosaic.ipynb"
- part: "Spectral Indices" - part: "Spectral Indices"
chapters: chapters:

18
sources/01a Download Process.ipynb
View file

File diff suppressed because one or more lines are too long

12
sources/01b Visualization.ipynb
View file

@ -557,9 +557,11 @@
"source": [ "source": [
"We can see each the red, green and blue band peaking higher in the prerendered TCI around a value of 50 - the curves match closely. Most of the pixels are using the designated nodata-value 0, which is the black stripe in the top left corner of the image.\n", "We can see each the red, green and blue band peaking higher in the prerendered TCI around a value of 50 - the curves match closely. Most of the pixels are using the designated nodata-value 0, which is the black stripe in the top left corner of the image.\n",
"\n", "\n",
"Because the purpose of this visualization is not creating a one-to-one replica of the included TCI but rather demonstrate how to interpret and manipulate the raster file contents, the approximation is sufficient.\n",
"\n",
"### Creating a Subset of the Area of Interest\n", "### Creating a Subset of the Area of Interest\n",
"\n", "\n",
"It is rare to plot the entire product because the data in this product can be partially missing depending on the orbit position (see [](01c Coverage analysis.ipynb) for more information).\n", "It is rare to plot the entire product because the data in this product can be partially missing depending on the orbit position (see [](01c Coverage Analysis.ipynb) for more information).\n",
"\n", "\n",
"We can create a rectangular cutout of the created image using code provided in the `rasterio` library for its `rio` command line tool. The code uses a data structure called `Window`, which is a rectangle with an x- and y-offset that is provided by `rasterio` to partially read or write raster data.\n", "We can create a rectangular cutout of the created image using code provided in the `rasterio` library for its `rio` command line tool. The code uses a data structure called `Window`, which is a rectangle with an x- and y-offset that is provided by `rasterio` to partially read or write raster data.\n",
"\n", "\n",
@ -667,6 +669,14 @@
" berlin.to_crs(out_kwargs['crs']).plot(ax=ax, facecolor='none', edgecolor='#FBC15E', linewidth=2)" " berlin.to_crs(out_kwargs['crs']).plot(ax=ax, facecolor='none', edgecolor='#FBC15E', linewidth=2)"
] ]
}, },
{
"cell_type": "markdown",
"metadata": {},
"source": [
"The plot shows that the region of interest exceeds the boundaries of a single product.\n",
"The following chapter will provide an analysis of product shapes and data availability."
]
},
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": null, "execution_count": null,

131
sources/01c Coverage analysis.ipynb → sources/01c Coverage Analysis.ipynb
View file

File diff suppressed because one or more lines are too long