# GEF Geometry API Reference

Packages
org.eclipse.gef.geometry.convert.awt: This package provides support for converting geometric objects to AWT.
org.eclipse.gef.geometry.euclidean: This package provides core abstractions to support calculations within 2-dimensional Euclidean space.
org.eclipse.gef.geometry.internal.utils: This package provides utility classes being used internally for geometric calculations.
org.eclipse.gef.geometry.planar: This package provides support for geometric calculations based on shapes.
org.eclipse.gef.geometry.projective: This package provides core abstractions to support calculations within 2-dimensional projective vector space.