Comparison: DEMSA2 L1 vs L227/03/2024What is the difference between our DEMSA2 L1 and L2 products? Both are a digital surface model (DSM), but L1 is a raw version straight… READ MORE
Comparison: Height Above Nearest Drainage (HAND) vs Flood Hazard Index (FHI)27/09/2023Derivatives of digital elevation models are ideal for identifying flood-prone areas. For instance, the height above nearest drainage (HAND) derivative shows the height difference between… READ MORE
Comparison: Orthorectification08/05/2024Not all aerial images are created equal. Ever wondered why buildings and mountains appear to lean in some aerial or satellite photos? It's because of… READ MORE
Comparison: Potash Ponds27/07/2022These potash ponds are found in Moab, a town in Utah, USA. The pools facilitate the evaporation process that produce potassium chloride (a.k.a. potash). Water… READ MORE
Comparison: Satellite Imagery (1)03/05/2023We like to give credit where it's due, and in this case it goes to NGI. The aerial photography provided by the Chief Directorate: National… READ MORE
Comparison: Satellite Imagery (2)05/07/2023Our DEMSA 2 product, a digital elevation model at 2m resolution, is being used for a range of applications (including signal propagation modelling for 5G… READ MORE
Definition: API04/07/2024🌐 What is an API? An API (Application Programming Interface) enables the creation of complex applications by acting as a bridge between different software systems… READ MORE
Definition: Hydrology and Hydraulics29/11/2023Hydrology is the study of the distribution and movement of water on the Earth's surface and in the subsurface. Hydrologists use mathematical models to simulate… READ MORE
Definition: Terrain Analysis26/07/2023Terrain Analysis is a powerful tool that can be used to better understand the Earth's surface and its potential impacts on human activities. Moreover, as… 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
