Create Geometry¶

The second category of tools involves creating geometry, we will cover line and polygon creation and “vertex snapping”.

• Select tasmanian roads in the layer view.

  

• Choose the Create Line Tool from the Create drawer of the Palette.

  

• Draw a road on the northern part of the island, once again Enter to indicate that you are finished your line.

  

• You have just created a new road, remember to press commit in the tool bar to write your change to the shape file.

• Change to the Lake layer in the layer view.

  

• Select the Create Polygon Tool.

  

• Enable snapping by pressing CTRL + SHIFT + S until Snap to features in current layer is displayed in a dialog.

  

• Draw a polygon, close to a feature, as you draw close to another polygon you can watch how snapping effects the drawing process.

  

• You can complete your polygon by ending it on the vertex that started the polygon.

• Please press the Commit button in the toolbar.