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ArcGIS Server 9.3 Nationwide Seminar Series occurring now

ESRI has been working on two, half-day ArcGIS Server 9.3 Seminars . These seminars started September 23rd and are taking place through November within the U.S. This is a great opportunity to see how to implement ArcGIS Server to its fullest capabilities.

Design patterns for Web maps

Web maps often contain a base map, which provides a geographic frame of reference, and operational (or thematic) layers, which show a focused item of interest on top of the base map. A familiar example might be an online mapping service that provides

Updating your map caches automatically: The key to caching dynamic data

For the fastest performance of your ArcGIS Server map services, we recommend that you use map caching wherever it’s appropriate. A map cache is a picture of your map at one point in time. Map caches are obviously appropriate for maps that don’t change