GIS Blog | Page 2

Deleting Smokers – Part 2

Part 2 of this series looks at refining our script pseudo-code to get input data prepped for further analysis Way back when the dinosaurs roamed the earth, we saw the first post in this series on developing a Python script for some analysis. With Python being the topic of the moment in the current GIS course,…

SOSC301 Web app – Part 3

The webmaps for the SOSC301 field trip are finalised and made ready to use in this post. We’ve lately been looking at the process of setting up some web maps for SOSC301 to use on a field trip to beautiful Lake Tekapo. We first looked at the specs of the maps and then looked at…

SOSC301 Web App – Part 2

In part 1 of this series, the specifications and data needed for a field trip web app for SOSC301 were outlined. In this post we look at how the data were prepared and published for use in the app . In our previous post, we looked at the requirements for a web app to be…

SOSC301 Web App – Part 1

This is part 1 of the process of creating a web map based field data collection app that will run on smartphones for a SOSC301 field trip. In this post we set the specifications for the app and think through the data needed. Along the way we use mosaic datasets, batch processing and a quick…

Mapping Covid-19 Vulnerability

This post covers the mapping of South Island communities and their vulnerability to Covid-19 reinfection as part of an ERST202 class project. While semester 1 feels like a long time ago now, the threats from Covid-19 are still remarkably present. Recent incidents around returning Kiwis and their efforts to break out of quarantine illustrate just…

Where the Wild Sub Clover Grows

This posts looks at being mindful of creating ambiguous results in your spatial analysis, in a raster context The GIS Team recently did some work with Sonya Olykan and Derrick Moot on a North Island dryland farm. The aim was to identify where subterranean clover might be best grown on the Tokaroa Farm, near Martinborough. …

Being Fair to Covid-19

We take a look at mapping Covid-19 cases in New Zealand and how we can ensure that our interpretations are more realistic. MOH figures in this post are current as at 10 May 2020 at 9.00 As we shift a bit closer to Level 2 and a perhaps bit more freedom, it may be an…

Turning the Tables on Tourism

This post covers how a map of tourist spending for 2019 was done. Table joins were a critical part of this. We also look at the mapping process and, more specifically, how to add pie charts to your map. Tourism, as the most significant industry in terms of foreign exchange earnings, is one of the major sectors of…

Two NZs?

New Zealand often suffers from being overlooked on world maps. At least one map has tried to reverse that trend. When it comes to world maps, NZ has a problem. We often get forgotten! So much so that there’s a whole section of the internet dedicated to documenting this. One doesn’t need to look very…

Join the Band (Combinations)

Most satellite images have multiple bands. We can change the way an image is displayed to highlight certain features in the images. With kudos to Little Feat’s Join the Band album, we’ve been looking at satellite images a lot recently and have seen how many satellite images are composed of multiple bands, or layers. When working with…