Network transmission strategy for raster data

As for organization and management of massive multi-resolution data, efficiency of spatial index, data compression technology, network technology, seamless integration of multi-source data, real-time roaming and interactive of ultra-large-scale scenes and other related technologies of grid data, although the theory of technology and research on them have made some progress on Internet-based PC, it is difficult to achieve real-time display and interaction requirements in the mobile domain. Through organization and management of nationwide image raster data, establishment of the corresponding services, based on mobile networks and using mobile terminals, this paper achieves stepless zoom visualization of raster data, and thus has a meaningful exploration on the application of the network raster data.