Removing spikes from a boundary

This deletes points in the selected boundary where the angle between the line segments is less than angular tolerance.

1. Select the boundary.
2. Click on the Trim Region toolbar.

   Points forming angles less than the angular tolerance are removed:

   

   Angle greater than angular tolerance.

   Angle less than angular tolerance.

To change the angular tolerance:

1. Click File > Options > Application Options.
2. Select General > Units and Tolerances.
3. Change the Angular tolerance to the required value.
4. Click OK.