GRAS is using state-of-the-art object oriented technology to map urban environments in very high resolution. Impervious surfaces such as roads, buildings, parking lots and driveways can be mapped. Detailed maps of imperviousness is an important component in urban storm water modelling and flood risk mapping.
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DHI GRAS A/S · Øster Voldgade 10 · DK-1350 Copenhagen K · Denmark · Tel. +45 3532 4175 · firstname.lastname@example.org