public float [ ] getAltitudes ( ) { if ( myASIBs == null ) return null ; float [ ] alts = new float [ nRays ] ; for ( int i = 0 ; i < nRays ; i ++ ) alts [ i ] = myASIBs [ i ] . getAltitude ( ) ; return alts ; }
Get the array of per - ray altitudes . If we do not have per - ray position information null is returned .