#VECTOR VS RASTER TILES MAP FULL#

A collaboration with a local startup provided insight into viable use cases for the technique. A proof-of-concept application shows the feasibility of the proposed approach and allows for evaluation and comparison with existing techniques.

#VECTOR VS RASTER TILES MAP FULL#

This study includes a full technical specification of the backend services, required geographic projections, transmission format specifics, and client renderer details. Dynamic stylization is enabled in fragment shaders per user defined parameters. The binary glTF greatly reduces the transmission bandwidth required, and it is directly readable by the GPU without requiring costly client-side mapping computation. The display of massive transportation networks is enabled by utilizing the Graphics Processing Units (GPUs) of the client’s device. The geodata are processed using a specialized backend server and packed in binary buffer objects that are passed directly to the rendering stage of a frontend client. To undertake this challenge, a web-mapping framework is extended via a Web Graphics Library (WebGL) enabled renderer that receives data in the Graphics Library Transmission Format (glTF). The main problems associated with this task are: (1) the transmission of massive geodata sets, (2) the mapping and rendering of unfiltered and non-generalized networks in real-time, and (3) dynamic user interaction, stylization, and parameterization. The challenge is to enable a broad range of easily accessible tools for displaying both generalized polygonal maps and complete, highly detailed transportation network infrastructures for web clients and mobile devices. This thesis presents a novel visualization technique and web-based method for network-based reachability analysis.

Vector vs raster tiles map