A useful function, which is not described in the User Manual, is the "screen digitizing" keys in the Terrain module. This is useful for tracing and entering elevation information with the mouse. These functions are accessed using the keys on the numeric number pad after selecting the Edit - Digitize/Draw New Feature menu.

UP (8 key)- Enter a point at the mouse location and increment the elevation by one interval.

SAME (5 key)- Enter a point and keep the elevation the same. 

DOWN (2 key)- Enter a point and decrement the elevation by one 
interval.

ENTER (0 key)- Pops up the Edit - Modify Point Dialog allowing you the enter the elevation of a point. 

Using these keys it is possible to create a profile from a scanned contour map without creating a TIN model. To do this, simply move the mouse to intersection points of a contour (from the scanned image) and the profile line, then press the appropriate key (UP, DOWN etc.). Of course the scanned map must be scaled and georeferenced. 

Even if you are not creating a profile, the SAME key is useful for adding points at the end of a feature while in Enter mode (pencil cursor). Watch what happens when you hold down the number "5" key and move the pencil cursor around the plan window.

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