Draw Polygon with Digitizing Tool

22. Draw Polygon with Digitizing Tool#

  1. You can switched on the “Advanced Digitizing Toolbar” and “Shape Digitizing Toolbar” by right-clicking on the top toolbar and enabling them with the dropdown menu.

  2. Create a new polygon layer. You can choose which layer format to be a shapefile, temporary etc. Look at Drawing in QGIS, Step 1-4 for more information.

    ../../_images/img144.png
  3. Creat the layer accordingly.

    ../../_images/img235.png
  4. Once the layer is created, click on the layer so that it is the active layer. Then click on the ” Toggle Editing” icon, follow by “Add Polygon Feature”.

    ../../_images/img333.png
  5. For drawing construction lines (guide lines) for your drawing, click on the “Construction mode” icon. Everything you draw when the mode is active will be guides.

    ../../_images/img429.png
  6. Start drawing, you can enter the distance of the line and the angle. Draw a line by entering the d (distance) and a (angle) of the line. The example shows a line of 1000m and at 45 degree.

    ../../_images/img525.png
  7. You can easily draw circles and rectangles with the “Shape Digitizing Toolbar” options.