Distance 

This node returns the minimum distance between two geometries

Minimum bounding rectangle 

This nodes returns the minimum bounding rectangle of a geometry

Union 

This node computes union of geometries

Convex hull 

This node computes convex hull of geometries

Snap to grid 

This node snaps all points of the input geometry to a regular grid

Remove holes 

This node removes holes from polygon geometry

Buffer 

Constructs a polygon at a specified distance from the geometry