Contents Index

Replace Digitised Bdy

This option will remove a sequence of lines from 'Parcel to Fix' and replace it with another sequence of lines
The two parcels must have two points in common, the Start and End points.
Lines between Srt-End on "parcel to Fix' will be replaced by lines from 'Nat Bdy' parcel.

Parcel to Fix

This parcel will be changed to remove the highlighted lines and replace them with
the lines from the 'Nat Bdy Parcel'

Nat Bdy Parcel

This parcel will not be changed.
The highlighted lines from this parcel will be copied to the 'Parcel to Fix'

Start, End Points

When you click on the Start and End Points, the sequence of lines to be removed will be highlighted on the 'Parcel to Fix'.
Also the sequence of lines to insert will be highlighted on the 'Nat Bdy Parcel'.
The Start and End points must be in both parcels.
If you don't have a common point, you can make one by 'Merge Two Points' option.
Another method is to make a Line Point on 'Parcel to Fix' from a point on 'Nat Bdy Parcel'
and then make the point a Node Point.

Reverse

The default direction of the lines is clockwise.
Tick this box to reverse the line sequnce in 'Nat Bdy Parcel'