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Fulcrum is a free Java library that includes user interface components, data models, and utilities useful to Java developers building distributed mapping applications. While the Fulcrum libraries may be useful for other purposes, it is currently targeted at creating applications that need to consume map data over a network. The source of the data can come from stand-alone open source or commercial map servers or from something more complex such as the OpenGIS Consortium (OGC) web services.


The goal of the Fulcrum project is to provide an integrated collection of classes for dealing with common needs developers face when creating mapping applications. Fulcrum also promotes rapid application development by exposing as much functionality as possible through the JavaBean standard.


Fulcrum is not intended to be a Geographic Information System (GIS) library even though it may have some rudimentary spatial processing capabilities. There are many other Java libraries out there already doing GIS and Fulcrum will seek to incorporate the best of those for heavy duty spatial operations.


Fulcrum exists to service the engineering operations of Traverse Technologies and our core business of building Internet based mapping systems. Therefore, the continued evolution of Fulcrum is based mostly on the demands of Traverse Technologies. However, we believe that the best way to serve our customers and the Internet GIS community is by using, promoting, and contributing to open source and open standards technology. Fulcrum supports the OGC standards in web services. Our tools seek to provide practical components to ease the adoption and propagation of OGC web services, but can also be extended for proprietary work.