arcgis engine安装教程_mapxtreme_mapxtreme pitney(5)

The Find class provides a number of properties you can use to controlthe search operation. You have four search methods available touse. Two of them enable searching addresses or features and two are forsearching street intersections. You can also configure the applicationto find a close match to a search term. The FindCloseMatch objectrepresents a close match item returned from the Find Search method.

To use this feature, you must first set the UseCloseMatches andCloseMatchesMax properties of the Find object so that the method knowswhat represents a close match. Both the search methods andFindCloseMatch are returned using the FindResult object.

Once you find locations, you can also do routing between two or morelocations, using one of several possible routing algorithms. Thisfeature is available through the use of a separate Web service fromPitney Bowes Business Insight.

Accessing databases and working with data are integral parts of amapping application and MapXtreme provides a namespace and other toolsfor accessing a relational database (various versions of Microsoft SQLServer and Oracle are supported). It also offers the Featureobject model as another way to access data that use objects instead ofSQL.

The most useful data capability is the ability to build data tables foruse in an application that are constructed from different databases.You can create a table, for example, with a join from two different SQLDBMSs. For organizations that keep critical data across differentdatabases, the ability to merge location data into an application mightbe the most useful data access capability of MapXtreme.

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