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Project Goal
The NYS Office of Cyber Security and Critical Infrastructure Coordination’s (CSCIC) goal is to produce and maintain integrated, multi purpose GIS base layers utilizing the best available local, state, and commercial source data. Of all the layers developed, the streets layer is the most critical and it is also the most complex. It needs to support multi-scale symbology, address geocoding, network path finding, and linear referencing. One of the biggest challenges we are tackling is capturing data changes as far up-stream in the process as possible to efficiently keep the data up-to-date.
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Business Problem Solved
In New York State, as in many other states, there has not been one comprehensive, up-to-date set of statewide base map layers to support the needs of all levels of government. The GIS community also has not yet found a single, universal solution to successfully maintain their GIS data at a reasonable cost.
CSCIC has embarked upon an innovative GIS data maintenance program that focuses on developing strong partnerships with county and local governments. To capture change as close to when it occurs as possible, CSCIC works with their partners to identify “change triggers” such as the issuance of a building permit or the assignment of a new E911 address. Rather than requiring participants to submit their updates in one standardized format, CSCIC works with their partners to find the best solution for that local government that minimizes the time and effort required in both agencies. Updates are quickly added to the GIS data sets that are then redistributed back to all users on a monthly basis to insure timely access to the updates. To get changes into the data maintenance pipeline even earlier, CSCIC will soon release a web-based GIS application that will allow local government partners to quickly and securely submit their updates over the Internet.
Technology Implemented
Applications:
Applications for tracking edit calls, locating motor vehicle accidents, and performing analysis are written in ArcGIS server. Data reside in ArcSDE 9.1 on Oracle 10g
Data Maintenance:
A full range of ESRI products are used to process and deliver monthly updates. Python script is run from ArcToolbox to concatenate and populate fields in ArcSDE. The Production Line Tool Set (PLTS) is then used to create samples as part of the quality control of the updates. When the delivery has been approved ArcMap and ArcCatalog are used to prepare the files for distribution. Statewide files and county cuts are moved to our NYS GIS clearinghouse on the Web along with updated metadata for each file. ArcPublisher is also used to create county plots that are sent to local contacts for their review and edit.
Development Team Biography
Cheryl Benjamin is the GIS Project Manager. She also is the Chair of the NYS GIS Standards & Data Coordination Work Group (since 1998)
Mark Gasparovic – GIS Data Quality Control Manager
Rodger Coryell – GIS Technician responsible for data management and data quality assurance
Thomas Fraser – GIS Technician responsible for data quality assurance
Don Welsh, Julie Coman – GIS Database Administrators
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