Robin's Blog

Archive for the ‘Programming’ Category

Automatically generating a legend for a choropleth layer in Leaflet

Some work I’ve been doing recently has involved putting together a webmap using the Leaflet library. I’ve been very impressed with how Leaflet works, and the range of plugins available for it. leaflet-choropleth is an extension for Leaflet that allows easy generation of choropleth maps in Leaflet. The docs for this module are pretty good, […]

Easily hiding items from the legend in matplotlib

When producing some graphs for a client recently, I wanted to hide some labels from a legend in matplotlib. I started investigating complex arguments to the plt.legend function, but it turned out that there was a really simple way to do it… If you start your label for a plot item with an underscore (_) […]

Calculating Rayleigh Reflectance using Py6S

A user of Py6S recently contacted me to ask if it was possible to get an output of Rayleigh reflectance from Py6S. Unfortunately this email wasn’t sent to the Py6s Google Group, so I thought I’d write a blog post explaining how to do this, and showing a few outputs (reminder: please post Py6S questions […]

Automatically annotating a boxplot in matplotlib

You can probably tell from the sudden influx of matplotlib posts that I’ve been doing a lot of work plotting graphs recently… I have produced a number of boxplots to compare different sets of data. Some of these graphs are for a non-technical audience, and my client agreed that a boxplot was the best way […]

Bid for a day’s work from me

Summary: I will do a day’s work for the highest bidder in this auction. This could mean you get a day’s work from me very cheaply. Please read all of this post carefully, and then submit your bid here before 5th Feb. This experiment is based very heavily on David MacIver’s experiment in auctioning off […]