'Calculating Area' Category
Now Calculate the Exact Area of Any Field with ExpertGPS
ExpertGPS can calculate the exact acreage of any farm field or parcel of land. Instantly. Without any math or figuring on your part. Just click and trace, and let ExpertGPS do the rest.
Drawing GIS polygons with islands or holes
Stacy X. writes: “What is the best method to create a gpx or kml file of an area filled polygon that has islands (a lake shp file). When I export as a gpx, it creates a polyline where the end node of the lake outline connects to the end nodes of each of the [...]
Drawing Land Use Maps and Modifying Field Boundaries
Dale writes: “My application requires that I measure the areas of various land use types within a given project area. I had problems when I tried to append a particular shape of one land use to another shape of a different land use. I had to leave a gap to keep things from [...]
Finding the center of a parcel and averaging GPS waypoints
An ExpertGPS user asks: “How do I find the center of the triangle created by three waypoints from my Garmin GPSMAP 60CSx?” The Average Waypoint command in ExpertGPS makes this easy.
Calculating the coverage of a central-pivot irrigator
Tom H. needs to draw a circle on a map and determine how many acres are covered by that circle. Dan Foster shows how to use the Waypoint Proximity feature in ExpertGPS to draw circles and how to calculate the area covered by center-pivot irrigators and other circular objects.
Calculating the Area of a Farm Field
Dan M. from Indianapolis asks how he can use ExpertGPS to calculate the area of his farm fields.
ExpertGPS author Dan Foster shows how to use ExpertGPS to calculate the acreage of an irregularly-shaped farm field using the mapping and GPS tools in ExpertGPS, and gives three different methods for calculating area depending on whether or [...]






