M-Q

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Map Cache

This is a very effective way in which an ArcGIS Server distributes maps. The map is tiled and copied at different scales to the ArcGIS Server, which allows the server to render images based on the user request. The ArcGIS Server, therefore, can handle these requests much faster than drawing them on the fly.


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Map Service

Process of publishing maps in ArcGIS Server. It is the most common ArcGIS Service that makes maps, features, and attribute data available inside many types of client applications.


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Metadata

Information about a data set. Metadata for geographical data may include the source of the data, its creation date and format, its projection (scale, resolution, and accuracy), and its reliability with regard to some standard.


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Plug-in

Small software applications that extend the functionality of a Web browser.


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PNG

Portable Network Graphics. A bit-mapped graphics format similar to GIF.


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Publish

To make data available through the Internet.


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