All posts by Nicholas Duggan FRGS Cgeog (GIS)

Using Google Earth to Make 3D Models

No, I haven’t gone crazy; in fact quite the opposite. I was sent a visualisation of a wind farm from a company this week, and the back of my mind was niggling at me, telling me that I could do better at little or no cost. My first few attempts were involving QGIS2Threejs (QGIS 3D...

QGIS v ArcGIS

Okay, so I’m likely to get lynched, but before all the lovers/haters come out of the woodwork I’d like to remind everyone that these two systems are both great achievements. We are looking at two software systems that have changed the way we look at the world and the way we think about the world...

Ordnance Survey go GovCo

A new model for operation of The Ordnance Survey of the UK has been announced. This looks promising for the future of the customer and it is good to note the reference(s) to the use of the term “Open & free where possible”. It certainly looks like there are some exciting times ahead for the...

Open Source in the UK

Contrary to popular belief, it was neither the UK government nor Britain’s national mapping agency, Ordnance Survey, who started the UK open-source movement. Although open source was present and used in the UK before 2006, it was The Guardian newspaper that started a campaign called “Free Our Data,” which called for the raw data collected...

Morphing Landscapes

Normally we create digital surface models (DSM) and elevation models (DEM) to analyze the topography and visual issues related to a project or issue. The requirement for accuracy and precision is paramount, ensuring that the correct method(s) of converting the data from raw source to an accurate model is more a work of art than...

Can I Use That GIS Data or Map?

It’s no big secret, anyone can make maps. Esri even had some children showcasing their abilities at the user conference this year. So why employ a GIS specialist? Well, apart from getting the cartography right, the specialist can advise on the legalities of map & data production. With data becoming ever more available and online maps...