If you need to count trees, measure subsidence via InSAR, or create a 3D model of a city from aerial photos, you need ERDAS. If you just need to draw a map, stick with QGIS or ArcGIS.
The company’s flagship product, , launched in the early 1990s, revolutionized the industry. It was one of the first systems to successfully bridge the gap between image processing and GIS. Before this, raster data (images) and vector data (maps) were often treated as separate entities. ERDAS IMAGINE allowed users to analyze the Earth's surface through pixel-based imagery while simultaneously managing vector-based geographic data, creating a holistic view of the landscape. If you need to count trees, measure subsidence
In the mid-2000s, ERDAS was acquired by Intergraph, which was subsequently acquired by the Swedish technology giant . Today, ERDAS exists under Hexagon’s Safety, Infrastructure & Geospatial division. It was one of the first systems to