Re-arrange code for parsing the quantity to be plotted in Orbit's plot, plot3d, and animate and use numexpr package to parse arbitrary combinations of Orbit attributes (like 'r*vR')
Re-arrange code for parsing the quantity to be plotted in Orbit's plot, plot3d, and animate and use numexpr package to parse arbitrary combinations of Orbit attributes (like 'r*vR')

jobovy/galpy,jobovy/galpy,jobovy/galpy,jobovy/galpy