Area Computation

Icon on map window toolbar, or Calculate menu. You must have a DEM map or a DEM associated with the image map.

Outline the region specified, either with stream or point mode digitizing.

This will creates an area shapefile in c:\mapdata\temp, which will be deleted when you close the program unless you save it, and a text display of the results.

You can also Create an area shapefile and

• Double clicking on a record in the data base, and pick calculate area
• Do Edit,  Field arithmetic to compute the areas and place them in the database.

Last revision 3/4/2012