GEOGRAPHIC INFORMATION SYSTEMS (GIS)
Building on years of image and geospatial data integration experience, ERI utilizes leading edge software to produce multi-theme, multi-source GIS datasets. Our GIS personnel have extensive experience using the Leica Photogrammetry Suite and ERDAS Imagine software to orthorectify and mosaic current and historical aerial imagery, generate 3-D visual illustrations of current and historical photogrammetric data, and to georeference maps and other spatial data. Through on-screen digitizing, we generate aerial imagery analyses and GIS datasets using ESRI ArcView and ArcGIS software. ERI's GIS products and services include the following:


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