Concave Hull 

This node computes concave hull of geometries

Polygon to line 

This nodes finds lines of a polygon geometry

Unary union 

This node find unary union of geometries

Minimum bounding rectangle 

This nodes returns the minimum bounding rectangle of a geometry

Multi-geometry to geometries 

This node converts a multi geometry to a list of geometries.

Intersection 

This node computes intersection of geometries