@ Override public boolean isZPositive ( ) { if ( vertZaxis == null ) return false ; if ( vertZaxis . getPositive ( ) != null ) { return vertZaxis . getPositive ( ) . equalsIgnoreCase ( ucar . nc2 . constants . CF . POSITIVE_UP ) ; } if ( vertZaxis . getAxisType ( ) == AxisType . Height ) return true ; return vertZaxis . getAxisType ( ) != AxisType . Pressure ; }
true if increasing z coordinate values means up in altitude