MAP_REPROJECT /BLANKING

        [CLEAN\]MAP_REPROJECT Output Input
        /BLANKING Bval Eval    [/LIKE Template]
        [/PROJECTION Type Cx Cy [Angle]]
        [/SYSTEM Type [Equinox]]
        [/X_AXIS Nx Ref Val Inc]
        [/Y_AXIS Ny Ref Val Inc]

    Specify the desired Blanking value. If not present, this is  inherited  from
    the Input, or the Template if specified.