We have now worked with Python with the pandas library to learn about DataFrames and geopandas to learn about GeoDataFrames by following some basic tutorials. This next assignment will use the toy nybb database that is popular in the open source software world to work with geopandas more exploratively. More specifcially, we will be reproducing some output that we previously did in the QGIS Tutorials.
Read this tutorial Browse/read the GeoPandas user guide.
- Tutorial: https://geopandas.org/getting_started/introduction.html
- User Guide: https://geopandas.org/docs/user_guide.html
Geospatial Library Reference:
Docs can be good or bad. The docs for above range from "ok" to "good". It helps to have a working knowledge of pandas but the docs for pandas are quite good for learning and as a reference. geopandas actually uses the shapely model for geometries and while it needs to be installed, there is little direct interaction with this library on our part except for accessing the shapely geometries.
The objective of this lab is to reproduce one of the QGIS Tutorials you did previously:
Create a new branch named geopandas.
From the main GitHub page for this assignment, click Code -> Codespaces -> Create codespace on assignment. This will create the codespace and open a new browser window to connect to the codespace.
The details for the assignment are embedded in a Jupyter notebook. You can work through the material in the codespace.
An open Pull Request from a branch named geopandas to be merged with master containing the following files:
spatial_join.pyspatial_join.png