As described on several Microsoft sites, Microsoft Visio 2010 situates diagramming to an advance level with dynamic, data-driven visualization tools, and advanced Web sharing capability. It composes data from various sources, including Microsoft SharePoint Foundation Services list, Microsoft Office Excel workbook, Microsoft Office Access database, Microsoft SQL Server database, and other OLEDB or ODBC data source and presents it using vibrant graphics design. What is more, it facilitates SharePoint workflows creation and publication for instantaneous implementation.
The Visio Graphics Service is a SharePoint Server 2010 service application that enables dynamic viewing, refreshing, and sharing of data-driven Microsoft Visio 2010 diagrams through Visio Web Access Web part, Web part Connections, and Visio Services Mash-up API. This piece will provide high-level steps in consuming this service application.
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ELCZAR P. ADAME
Microsoft Most Valuable Professional | SharePoint Services