Circumferential and Radial measurements
http://www.dayel.com/comet/supmat/movies/thumbnails/FigS4a_circ_measure_vtk_.mov.png
Circumferential measurements during symmetry breaking
http://www.dayel.com/comet/supmat/movies/thumbnails/FigS4b_radial_measure_vtk_.mov.png
Radial measurements during symmetry breaking