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GIS Frequently Asked Questions

GIS is a system of software, hardware, data, procedures and personnel combined to help manipulate, analyze, and present information that is tied to a geographic location.

What is a Geographic Information System (GIS)?

GIS is a system of computer software, hardware, data, procedures and personnel combined to help, manipulate, analyze, and present information that is tied to a geographic location.

 

How may I contact you?

You may contact us at (202) 727-2277 or at [email protected].

 

Which software does DC GIS use?

The District GIS software standards consist of the Environmental Systems Research Institute Inc. (ESRI) products and Google Inc. geospatial services and software. The ESRI standard includes the ArcGIS line of desktop and server software product lines.

 

Which format is your GIS Data in?

DC GIS maintains and provides data in the ESRI formats. This ensures that all District agencies, residents and visitors can use this data. All spatial data are found in the Open Data DC.

ESRI shape file format are available with Federal Geographic Data Committee (FGDC) compliant metadata.

 

How do I download DC GIS data?

Go to the Open Data DC. Users may search by several keywords or browse by categories. In the search results, view the summary or dive into the attributes in the data tab. There are options for downloading as a shapefile, spreadsheet or kml file. Also access the data using APIs.

 

What applications are available that I can use online?

All public access GIS applications are available in our map gallery.