Contour Smart Select is tools attached to existing polygons on Contours Module. This tool allows you to select contours inside or outside the selected polygon and perform several actions such as:
Change Color
This will change the color of all selected contour data. The original contour will be trimmed at the polygon boundary.
Change Elevation
This will change elevation of all selected contour data. The original contour will be trimmed at the polygon boundary.
Delete
This tool will permanently delete selected contours data. The original contour will be trimmed at the polygon boundary.
Export To File
This will export all selected contour data to a file (KML, DXF). The original contours will remain at it is.
The following video explains how to select contours inside/outside polygon using the Contours Smart Select Tools:
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