How to display a Choropleth map in Jupyter Notebook
by Here is the code: %matplotlib inline import geopandas as gpd import matplotlib as mpl # make rcParams available (optional) mpl.rcParams[’figure.dpi’]= 144 # increase dpi (optional) …
Category: Spatial stuff
Python script for geocoding a text file
Assume that you have a file with some locations as text with one location per line. For example, here are some school names in Copenhagen, …
How to work with spatial data in Amazon Redshift
While Redshift does not offer native support for spatial data, indexes and functions, there exists a partial workaround. Redshift supports Python UDFs and can also …
Geocoding Python function for PostgreSQL
Gratefully making use of what others have provided, i.e. geopy, Google and plpythonu. Type to hold result of geocoding: CREATE TYPE geocoding AS ( place …
The new Google Maps: Explorers delight!
Being interested in maps in general, and specifically vector data, of course I had to take the new Google Maps for a spin. Vector data …
List of cloud GIS platforms
This is work in progress… http://geocommons.com/ http://www.giscloud.com/ http://cartodb.com/ http://www.google.com/drive/start/apps.html#fusiontables http://tables.googlelabs.com/ Home http://mapbox.com/ http://mapquest.com http://maps.google.com
Downloading environment data for Denmark
This post is very Denmark-specific. I was annoyed that downloading environmental data from the ministry of the environment was so cumbersome. Long story made short, …
Trying a Python R-tree implementation
Rtree is a ctypes Python wrapper of libspatialindex that provides a number of advanced spatial indexing features for the spatially curious Python user.
A presentation on spatial indexing
A friend of mine, who is the CEO of a company that develops an embedded database, asked me to do a presentation on spatial indexing. …
Having a look at Spacebase
Spacebase is a spatial datastore that began life as military-grade software, which at least sounds kind of cool. It’s an in-memory database, really, so switch …