Published on 15 September 2021

PFWRA site goes live


A website I have been working on the past few months, Pest Free Waitākere Ranges Alliance, went live recently.

Published on 14 September 2021

Using LINZ Basemaps tiles with Leaflet.js

Leaflet.js in action

The excellent Leaflet.js is one of my preferred tools when building interactive online maps. And so is the aerial Basemaps service from Land Information New Zealand. Here I share a couple of tricks I usually apply each time I combine the two.

Published on 2 June 2019

Bathymetry profile with QGIS and Python

Bathymetry profile

There are several tutorials and articles out there, but this is what I did when I needed to plot a bathymetry profile across a set of points.

Published on 12 November 2018

Non-metric multidimensional scaling (NMDS) on macroinvertebrate communities


Non-metric multidimensional scaling (NMDS) is a technique often used to find similarities and similarities between communities composition. As a part of a broader analysis I wrote to assess the ecological integrity of a set of freshwater streams in the Auckland region, I used NMDS (using R) to compare macroinvertebrate communities composition among the studied streams.

Published on 22 April 2017

Rebuilding MenorKayak


A few years ago my friend and I did a kayak trip around Menorca Island and documented the whole experience. I put together a site to showcase the results and this last week I've spent some time rebuilding it and moving to a completely different stack.

Published on 26 January 2017

Code blocks for Wagtail using Pygments

Code Block

This is a very simple and quick approach I've used in several website where I needed to have chunks of code as a StreamField blocks. You only need the Pygments package and a few lines of code.