The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.
From page 18... ...
5 CHAPTER TWO GEOGRAPHIC INFORMATION SYSTEMS TECHNOLOGY DEVELOPMENT viewer website from TriMet (Portland, Oregon)
|
From page 19... ...
6 The growing popularity of GIS has attracted the interest of transit software vendors who provide scheduling, vehicle tracking, and trip itinerary planning programs. In some cases, these vendors have developed their own mapping interfaces with GIS-type functionality.
|
From page 20... ...
7 TABLE 1 L EVELS OF GIS BUSINESS ORGANIZATION GIS Application Level Business Model Transit Archetype Organization GIS Programs Staffing Project Ad hoc opportunistic implementation, not a cost center or budget area. Focus on specific short-term transit activities Small- to medium-sized agency with no central IT/GIS support Management of base layers for transit data.
|
From page 21... ...
8 GIS program can appear daunting. For these reasons, many transit agencies have created GIS programs that use a mixture of in-house and contractor resources.
|
From page 22... ...
9 sit community, not just those involved in Welfare to Work programs. Standards Initiatives The FTA is one of a number of organizations that has been actively involved in developing data standards for the transit industry, including geospatial data standards.
|
From page 23... ...
10 industry leadership to sort out some of the confusion. Part of the problem is that beyond the technical experts who participate on these standards initiative little information is known or circulated among the transit community.
|
From page 24... ...
11 portation. Transit is one of the core areas of ITS.
|
From page 25... ...
12 FIGURE 2 ITS high-level architecture diagram. TABLE 3 TRANSIT GIS PUBLICATIONS BY CATEGORY Category No.
|
From page 26... ...
13 map of the Lord Fairfax Planning District and some simple analysis is done on the routes, such as buffering. One possible outcome is a web-based system that contains all the routes and allows a user to search for the best route for a potential client between two points.
|
From page 27... ...
14 IT IT, encompassing hardware, software, custom tools, and standards, includes articles on how to implement GIS from a technical perspective. Within this category are many technical research papers from universities as well as documents and reports on GIS standards.
|
From page 28... ...
15 varying in format, each transit property maintains a complete list of bus trips for each of the several regular schedules it accommodates (e.g., weekday, Saturday, Sunday, and holiday)
|
From page 29... ...
16 et. Managers are very interested in the costs and benefits of GIS programs.
|
Key Terms
This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More
information on Chapter Skim is available.