I’m looking for a widget, or if none exists requesting one, where you can draw a polygon to select points or polygons. A chosen attribute or count of the selected points/polygons is summed, then that sum is divided by the size of the drawn polygon and the result is displayed along with the sum itself and the sum of the polygon. The only thing a user should have to do is draw a polygon, then the result should display by itself. user should be able to choose which layer the polygon should select and which attribute in that layer to
