Reader 

This is a Database Reader.

Equals 

Whether Geometry-1 is topologically equal to the Geometry-2

Shapefile reader 

Read geometries from a shapefile

Crosses 

Whether Geometry-1 crosses Geometry-2 or not

Overlaps 

Whether Geometry-1 overlaps Geometry-2

Union 

This node computes union of geometries

Mask Raster 

This node creates a mask raster

Raster Calculator 

Raster calculator node

Proximity 

This node generates a raster proximity

Mosaic Raster 

This node mosaics a list of rasters