The measurement of material above the best fit surface plane (bumps) and below the best fit surface plane (holes), within a defined polygon. Click the image Top View and add a minimum of three vertices to create a new polygon. Click Delete All Vertices to remove all vertices or Delete Last Vertex to remove the most recently added vertex. Click Finish to draw the surface plane. The total volume of all bumps and holes relative to the surface plane are displayed.
Vertices placed on the Top View image
Analyzed region highlighted shown in sepia tone
Resulting volume measurement
Click and drag any vertex to change the shape of the polygon, or click Select Bump or Hole to add or delete additional vertices.