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|BuildStatus|_
rasterstats
is a Python module for summarizing geospatial raster datasets based on vector geometries.
It includes functions for zonal statistics and interpolated point queries. The command-line interface allows for
easy interoperability with other GeoJSON tools.
For details on installation and usage, visit the documentation at http://pythonhosted.org/rasterstats <http://pythonhosted.org/rasterstats/>
_.
Given a vector layer and a raster band, calculate the summary statistics of each vector geometry. For example, with a polygon vector layer and a digital elevation model (DEM) raster, compute the mean elevation of each polygon.
.. figure:: https://github.com/perrygeo/python-raster-stats/raw/master/docs/img/zones_elevation.png :align: center :alt: zones elevation
The command line interfaces to zonalstats and point_query
are rio
subcommands which read and write geojson features
.. code-block:: bash
$ fio cat polygon.shp | rio zonalstats -r elevation.tif
$ fio cat points.shp | rio pointquery -r elevation.tif
See the CLI Docs <http://pythonhosted.org/rasterstats/cli.html>
_. for more detail.
For zonal statistics
.. code-block:: python
>>> from rasterstats import zonal_stats
>>> stats = zonal_stats("tests/data/polygons.shp", "tests/data/slope.tif")
>>> stats[0].keys()
dict_keys(['min', 'max', 'mean', 'count'])
>>> [f['mean'] for f in stats]
[14.660084635416666, 56.60576171875]
and for point queries
.. code-block:: python
>>> from rasterstats import point_query
>>> point = {'type': 'Point', 'coordinates': (245309.0, 1000064.0)}
>>> point_query(point, "tests/data/slope.tif")
[74.09817594635244]
Find a bug? Report it via github issues by providing
.. |BuildStatus| image:: https://github.com/perrygeo/python-rasterstats/workflows/Rasterstats%20Python%20package/badge.svg .. _BuildStatus: https://github.com/perrygeo/python-rasterstats/actions
FAQs
Summarize geospatial raster datasets based on vector geometries
We found that rasterstats demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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