All Packages Coverage and raster Feature and Geometry 
Package Description
org.apache.sis.coverage
Functions that associates positions within a bounded space (its domain) to values (its range).
org.apache.sis.coverage.grid
A coverage backed by a regular grid.
org.apache.sis.feature
Defines the structure and content of views of real-world phenomenon.
org.apache.sis.feature.builder
Helper classes for creating FeatureType instances.
org.apache.sis.image
Provides helper classes for handling Java2D rendered images together with some operations.