Measure area and distance, register points, lines and polygons from Satellite Imagery map data or GPS data, perform simple spatial analyzes such as overlays, buffering etc. Equipped with sophisticated spatial drawing & editing tools such as snap nearest, cutting / dividing polygons with lines, smoothing, reducing vertices using Douglas Peucker's algorithm, editing vertices of lines / polygons, combining 2 lines / joints, turning lines into polygons, polygons into lines etc. . Make a contour lin