PROCEDURE: MVN_SWIA_REGID PURPOSE: Routine to determine region of the Mars environment from SWIA and MAG data. AUTHOR: Jasper Halekas CALLING SEQUENCE: MVN_SWIA_REGID INPUTS: KEYWORDS: TR: Time range (uses current tplot if not set) BDATA: Magnetic field data (needs to be in MSO) PDATA: Position data (needs to be in MSO) OUTPUTS: REGOUT: Tplot structure containing region IDs $LastChangedBy: jhalekas $ $LastChangedDate: 2014-12-08 14:16:25 -0800 (Mon, 08 Dec 2014) $ $LastChangedRevision: 16409 $ $URL: svn+ssh://thmsvn@ambrosia.ssl.berkeley.edu/repos/spdsoft/trunk/projects/maven/swia/mvn_swia_regid.pro $