Add a popup warning and a warning in the calculation output when using maritime mode.
Maritime mode uses EGM96 sea level height = 0 for ray termination instead of any terrain Digital Elevation Model. The user must be warned that any calculations attempted on targets over land will be very inaccurate when operating in this mode.
Add a popup warning and a warning in the calculation output when using maritime mode.
Maritime mode uses EGM96 sea level height = 0 for ray termination instead of any terrain Digital Elevation Model. The user must be warned that any calculations attempted on targets over land will be very inaccurate when operating in this mode.
Related to addition of maritime mode in #63