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.

    ../../_images/TasmanianCitiesInlayersView.png
  • Choose the Create Line Tool from the Create drawer of the Palette.

    ../../_images/1000000000000082000000AEF6546448.png
  • Draw a road on the northern part of the island, once again Enter to indicate that you are finished your line.

    ../../_images/CreateGeometry_01.png
  • 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.

    ../../_images/CreateGeometry_02.png
  • Select the Create Polygon Tool.

    ../../_images/1000000000000080000000A412A01279.png
  • Enable snapping by pressing CTRL + SHIFT + S until Snap to features in current layer is displayed in a dialog.

    ../../_images/CreateGeometry_03.png
  • Draw a polygon, close to a feature, as you draw close to another polygon you can watch how snapping effects the drawing process.

    ../../_images/CreateGeometry_04.png
  • You can complete your polygon by ending it on the vertex that started the polygon.

  • Please press the Commit button in the toolbar.