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.. V 61� rR rr <br /> a <br /> Enterprise - Wide Applications <br /> This section provides details about GIS applications that will be used Countywide by personnel in <br /> various departments, by the public , or by both County personnel and the public . GIS applications <br /> are on of the key building blocks for the County ' s enterprise-wide GIS implementation . GIS <br /> application use is based on a multi-tiered model based on three types of users : power users , <br /> analytical users, and browser users . Please refer to specific department/division sections to <br /> determine the types of users within each department/division . <br /> VA ?I <br /> Desktop GIS Applications <br /> 7' ArcGIS 9 <br /> ArcGIS is a scalable system of software designed to meet all Tier 1 and Tier 2 needs . Three different <br /> levels of ArcGIS are available : 1 ) Arclnfo, 2 ) ArcEditor, and 3) ArcView. Although licensed <br /> separately, ArcGIS is a scalable set of software with the same underlying executables and user <br /> interface . Arclnfo , ArcEditor, and ArcView can all be customized using VB , C , and many other <br /> popular programming languages within the ArcObjects object model . <br /> Individual recommendations for utilization of ArcGIS are included in each department/division <br /> section in this chapter. <br /> Tier 1 —Flagship GIS <br /> ArcEditor 9 for ArcGIS is the recommended Tier 1 application for Indian River County . ArcEditor 9 <br /> includes all the functionality of ArcView 9 and allows users to access the power of ESRI ' s Spatial <br /> Data Engine ( ArcSDE) . As described in Appendix I and Chapter 5 : Database Design and Setup , the <br /> geodatabase is the primary data format used in ArcGIS . Two types of geodatabases are offered : <br /> v 1 ) personal geodatabases , which store data within MS Access MDB files ( regardless of whether the <br /> user has MS Access on their computer) , and 2 ) enterprise geodatabases which store data in a <br /> wide variety of commercial relational database management systems ( RDBMS ) , including Oracle, <br /> SQL Server, Informix, and DB2 . ArcSDE is required as a gateway between ArcGIS and the enterprise <br /> geodatabase stored in an RDBMS . <br /> ArcEditor can store and edit data in enterprise-wide geodatabases and personal geodatabases . <br /> ArcView can only store data in personal geodatabases and has limited accessibility to data stored <br /> in ArcSDE , The primary advantage of using ArcSDE and enterprise-wide geodatabases is <br /> simultaneous, multi-user editing of geodatabases . For this reason , ArcEditor is recommended within <br /> - a variety of Departments. Editing within the recommended County ArcSDE database is not <br /> available with the ArcView license. <br /> Indian River County currently has several concurrent use licenses of ArcView that are in various <br /> levels of use throughout the various county departments . It is recommended that all ArcView <br /> licenses be migrated to ArcEditor in phased progression . As departments develop sophisticated <br /> usage of the GIS system there will be a need for data editing and extensive participation with the <br /> recommended ArcSDE Enterprise Geodatabase . All ArcView licenses should be upgraded by the <br /> end of the three year implementation plan . <br /> 279 <br /> GIS Needs Assessment and Implementation Plan Chapter 1 - Departmental GIS Needs Assessments <br />