# GEF Geometry API Reference

Packages
org.eclipse.gef.geometry.convert.fx: This package contains helper classes to transfer data from JavaFX/Geometry to one another.
org.eclipse.gef.geometry.convert.swt: This package provides support for converting geometric objects to SWT and for conversion between SWT and 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.