Chapter 1- Web GIS uses web technologies to make GIS more accessible globally. First developed in the 1960s, GIS has evolved from a local file-based, single-computer system to a central database client/server system. Web GIS offers many advantages such as global reach, large number of users, low cost per user, cross-platform abilities, easy to use and maintain. The common patterns of Web GIS applications include mapping and visualization, data management, field mobility, monitoring, analytics, design and planning, decision support, constituent engagement, sharing, and collaboration. More and more organizations are adopting ArcGIS Online or a hybrid model with ArcGIS Enterprise.
Chapter 2- Web layers are important because they are the building blocks of web apps which are important because they are the faces of Web GIS. This chapter discussed d=feature layers and how you can style them using smart mapping. Web layers are essentially web services that can be reused in many web maps, scenes, and maps. You should style your layers so that you can deliver the intended messages and your users can discover hidden patterns. Smart mapping enables users to visually analyze, create, and share professional-quality maps easily and quickly with minimal cartographic or software skills.
Web layers and smart mapping enables urban planners to create 3D simulations of real world scenarios. Tools like ArcGIS Urban create 3D models to simulate zoning changes, visualize population growth, and assess housing needs.