@BeginModule
@NewPage
@Name      = Setzaxis
@Title     = Set z-axis information
@Section   = Modification
@Class     = Modification
@Arguments = ifile ofile
@Operators = setzaxis genlevelbounds

@BeginDescription
This module modifies the metadata of the vertical grid.
@EndDescription
@EndModule


@BeginOperator_setzaxis
@Title     = Set z-axis
@Parameter = zaxis

@BeginDescription
This operator sets the z-axis description of all variables with the same number of level as the new z-axis.
@EndDescription
@EndOperator


@BeginOperator_genlevelbounds
@Title     = Generate level bounds
@Parameter = [zbot] [ztop]

@BeginDescription
Generates the layer bounds of the z-axis.
@EndDescription
@EndOperator


@BeginParameter
@Item = zaxis
STRING  Z-axis description file or name of the target z-axis
@Item = zbot
FLOAT   Specifying the bottom of the vertical column. Must have the same units as z-axis. 
@Item = ztop
FLOAT   Specifying the top of the vertical column. Must have the same units as z-axis. 
@EndParameter
