Truncate at the focal plane for plotting.
Truncate at the focal plane for plotting.

pleroy/Principia,eggrobin/Principia,mockingbirdnest/Principia,eggrobin/Principia,pleroy/Principia,pleroy/Principia,mockingbirdnest/Principia,mockingbirdnest/Principia,pleroy/Principia,eggrobin/Principia,mockingbirdnest/Principia