Comparison: Curvature Plan vs Curvature Profile23/08/2023Curvature derived from digital elevation models (DEMs) is a measure of the shape of the Earth's surface. It can be used to identify areas that… READ MORE
Comparison: DEM Products14/09/2022In the past few years we've made significant progress in improving our Digital Elevation Model (DEM) products. Pictured on the left (see below), we see… READ MORE
DEM data – adding depth to your geospatial analysis22/09/2020With traditional maps and GIS software commonly presenting their information through a two dimensional medium, it is often easy to forget that the world they… READ MORE
DEM derivatives – get more than you bargain for!15/10/2020As touched on in last week’s blog, one of the main advantages offered by digital elevation rasters, or digital elevation models (DEMs), is that they… READ MORE
DSM2DTM: Now Your See It…now You Don’t02/08/2021After years of frustrating trial-and-error we have finally found a technique to automatically convert digital surface models (DSMs) – generated using optical stereo images (i.e… READ MORE
Explore Like Never Before19/03/2025Explore the Garden Route Like Never Before! 🏞️ Our high resolution Digital Elevation Models (DEMs) offer a detailed perspective of the stunning Garden Route. Whether… READ MORE
Five Ways to Depict Elevation10/11/2023A digital elevation model (DEM) is merely an image where each pixel represents the average height above mean sea level for the area that it… READ MORE
Understanding Digital Elevation Models09/04/2025One of the most powerful tools at our disposal for understanding the Earth’s surface is the Digital Elevation Model (DEM). At its core, a DEM… READ MORE
Value of DEMs & Land Component Mapping for Land Suitability Analysis13/02/2018Land evaluation compares and matches each potential land use with the properties of individual parcels of land. Such land suitability analyses are carried out on… READ MORE
Viewshed Analysis29/10/2020For this week’s post we will be having a look at a brand new solution we are offering - viewshed analysis! Viewshed analysis is when a… READ MORE
