Hi Steve, Set a list name in the point-on-area settings dialog. That will create a list of all points attached to the polygon. Then use a ListSummer transformer to add together the attribute values in that list.
Hope this helps, Mark Mark Ireland, Product Support Engineer Safe Software Inc. Surrey, BC, CANADA [EMAIL PROTECTED] http://www.safe.com Solutions for Spatial Data Translation, Distribution and Access --- In [email protected], "stevendorner" <[EMAIL PROTECTED]> wrote: > > > FME Gurus, > > I am relatively new to FME although I took the class last year. I'm > having trouble with what may be a relatively simple operation. > Simply put, I am trying to do a point-on-poly overlay and sum up > attribute values of the points for each polygon feature. Each > polygon can have thousands of points inside it. I know how to use > the PointOnAreaOverlayer to grab point attributes and apply them to > the polygon attributes but and I need to sum the values, not just > map them one to one. I can't seem to figure this out from either my > class notes or the docs. If anybody out there has any advice I > would really appreciate it. > > Thanks! > > Steve Dorner > ESRI Professional Services > 8615 Westwood Center Drive > Vienna, VA 22182-2214 > Office: 703-506-9515 x8130 > Mobile: 703-629-4238 > [EMAIL PROTECTED] > Get the maximum benefit from your FME, FME Objects, or SpatialDirect via our Professional Services team. Visit www.safe.com/services for details. Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/fme/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
