model (high resolution) • Built environment (no need for rooftops) • “Watertight” mode (no gaps between buildings and the terrain) • Sewer & water netwerk Sound and Air quality • Terrain model (terrain roughness) • Built environment (no need for rooftops) • Sound producers (streets, industry, wind turbines) • 3D results (e.g. sound levels per building storey) Line of sight analyses • Terrain model • Built environment with rooftops