Contents

Overview

During this week we will learn a few really useful and commonly used GIS functionalities using Geopandas, namely:

  1. Data classification

  2. Geometric operations: Overlay analysis

  3. Exercise 4

  4. Exercise 4 hints

Learning goals

After this week’s lesson you should be able to:

  • Conduct a Point in Polygon queries

  • Read data from KML file

  • Make spatial and table joins between layers

  • Find the nearest neighbour from Point -objects.

Sources

Following materials are partly based on documentation of Geopandas, Pandas, Shapely, and pysal.

Lecture videos

Lesson 4.1 - Data classification; Pysal map classification schemes

Henrikki Tenkanen, University of Helsinki @ AutoGIS channel on Youtube.

Lesson 4.2 - Overlay analysis; Aggregate spatial data; Simplify geometries

Henrikki Tenkanen, University of Helsinki @ AutoGIS channel on Youtube.

Exercise 3 Data reclassification