"TureMap" takes the lead in integrating the innovative concept of"3DGIS+BIM+IoT" into the public security industry to refine 3Dmodeling of core areas and build an indoor-outdoor digital infrastructure basedon mobile measurement, indoor positioning, cloud computing, big data and AI.The platform fully integrates basic spatio-temporal data, IOT data and policesystem data to build a 3D digital twin foundation for security prevention andcontrol system of “Grid police deployment, multi-police coordination, full timepatrol, universal participation” surrounding the security management, 110command center, and public security agencies.