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.