
Move Points on a Polygon
If the selected item is a polygon and this button is pressed, the bounding-box
and its points will be deleted and coordinate points for the shape will be
displayed. An example of what you see is given below :

Now a point can be picked up and relocated in the following way :
- < ButtonPress-1 >
- In one of the coordinate points selects that point to be moved.This
point is picked up and is now ready to be moved to a new position.
- < B1-Motion >
- Creates a visual aid for the user in the form of a line connecting the
point being moved to the points on either side of it.
- < ButtonRelease-1 >
- Identifies the new location for the point, redraws the altered shape,
and reselects it.
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Gudge.