\BOOKMARK [0][-]{chapter.1}{Introduction}{}
\BOOKMARK [0][-]{chapter.2}{Basic Concepts}{}
\BOOKMARK [1][-]{section.2.1}{2D plane}{chapter.2}
\BOOKMARK [1][-]{section.2.2}{Direction}{chapter.2}
\BOOKMARK [1][-]{section.2.3}{Beam}{chapter.2}
\BOOKMARK [0][-]{chapter.3}{API References}{}
\BOOKMARK [1][-]{section.3.1}{gtrace Package}{chapter.3}
\BOOKMARK [0][-]{chapter.4}{Indices and tables}{}
\BOOKMARK [0][-]{section*.147}{Python Module Index}{}
\BOOKMARK [0][-]{section*.148}{Index}{}