Alter

Join LineStrings	Joins selected LineString items together with a tolerance.
Join	Joins two selected LineString items together.
Trim/Extend	Trims or extends the ends of LineString items.
Trim and Join	Trims and joins the selected LineString item to another.
Delete Path	Removes part of the selected item.
Move Path	Moves a path within the selected item.
Delete Segment	Deletes a segment from a LineString item.
Move Segment	Moves a segment within a LineString or Polygon item.
Append	Draws a line, appending it onto any selected line.
Reprofile LineString	Re-routes a portion of an existing LineString item.
Facet	Replaces curved geometry segments with shorter straight segments.
Chamfer	Inserts a chamfer at a snapped vertex.
Fillet	Inserts a circular blend at a vertex.
Smooth Midpoint	Smoothes geometry, keeping segment mid-points fixed.
Smooth Vertex	Smoothes geometry, keeping vertices fixed.
Align to Axes	Aligns the selected geometry to the coordinate reference system.
Align to Geometry	Adjusts the selected geometry to right-angles.