To subtract from the shape of the polygon
- Select a polygon layer, e.g. waterbody. Select Layer | Toggle Editing.
The layer is selected for editing. - In the Advanced Editing tool bar, select the Reshape Features icon.
- In the map view, click on one point outside the polygon (point 1). Click on one or more points inside the polygon (point 2... point 3). Click on a point outside the polygon (point 4).
- Press the mouse right button to complete the action.
The newly digitized polygon is subtracted from the original polygon.
To add to the polygon shape
- Select a polygon layer, e.g. waterbody. Select Layer | Toggle Editing.
The layer is selected for editing. - In the Advanced Editing tool bar, select the Reshape Features icon.
- In the Map view, click on one point inside the polygon (point 1). Click on one or more points outside the polygon (point 2...point 3). Click on a point inside the polygon (point 4).
- Press the mouse right button to complete the action.
The newly digitized polygon is added to the original polygon.
Nice tutorial
ReplyDeleteChiara spiegazione e ottimo plugin
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