By John E. Harmon
Delivering a detail-oriented advisor to the strategic making plans and implementation of GIS, Harmon (geography, critical Connecticut collage) and Anderson (a venture administration advisor) talk about every one step of the advance strategy - from wishes evaluate to interacting with the approach. particular chapters specialize in features like database schema, designing spatial info, characteristic information, the makes use of of remotely sensed facts, information improvement and conversion, and and software program choice. Case reviews reveal how quite a few innovations play out in perform.
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Extra info for The Design and Implementation of Geographic Information Systems
7 summarizes what data layers will be required to support each of the applications that will be developed. Only 10 of the 60 data layers are shown. 9 depicts which of the imaging sources will be used 41 42 Before Design: Needs Assessment and Requirements Analysis by each of the applications. These summary tables combined with the previous matrices are the complete summary of what applications need to be done first; what spatial data, attribute data, and imaging data are required for each; what methods should be used to produce the desired results; and which departments should be included first.
Access-based systems require the minimum amount of expertise at the end-user site, and need for expertise increases as you transcend to SQL-Server and then to Oracle. Care should be taken to appropriately size the system based on the number of users, the number of transactions, and the level of expertise at the end-user site. Database selection may be constrained by existing databases in use by the organization, and you should certainly select your database software before you begin the design phase for the GIS data because there are design considerations specific to different database software systems.
After taking the course, the users return to work and are given phone support to work through any daily issues they come across. This course is usually designed around specific questions developed by the users and supplemented with more advanced topics developed by the instructor. Ask the company how often it puts out bug fixes, and how many it has put out in the last year. If it is too often, less than once a quarter, and the product is relatively new, there could be problems with the product.