Use this dialog box to specify the parameters for exporting a surface to a DEM file.
Displays the name of the selected surface.
Displays the description for the selected surface.
Displays the drawing coordinate zone, if specified.
Specifies the file name, location, and file type of your new DEM file. The file can be of type USGS (.dem) or GEOTIFF (.tiff). Click to open the Export Surface to DEM dialog box, then browse to the location, enter the file name and select file type.
Specifies the coordinate zone of the exported surface. If the drawing has a coordinate zone assigned, this coordinate zone is displayed. Click to open the Select Coordinate System dialog box to select the required coordinate system from the list.
Specifies the horizontal spacing for the DEM profile points. Enter an integer value that is greater than or equal to 1. This value is specified in units used in the export coordinate zone.
Specifies how the elevations of the DEM file are determined from the exported surface. Select one of the following values:
Specifies whether to use a custom value for null elevation.
Specifies the default value for null elevation.