Adding Graphics to the Map

Graphics are points, lines, or polygons that are drawn on top of your map in a layer that is independent of any other data layers associated with a map service. Most people associate a graphic object with the symbol that is displayed on a map to represent the graphic. However, each graphic in ArcGIS Server can be composed of up to four objects including the geometry of the graphic, the symbology associated with the graphic, attributes that describe the graphic, and an InfoTemplate that defines the format of the InfoWindow that appears when a graphic is clicked. Although a graphic can be composed of up to four objects, it is not always necessary to include them all. The objects you choose to associate with your graphic will depend upon the needs of the application that you are building. For example, in an application that displays GPS coordinates on a...