[ncl-talk] Hovmueller Y-axis

[Mary Haley]

Vanúcia,

Try:

 res at trYReverse        = True                       ; reverse Y-axis

--Mary



On Sun, Nov 25, 2018 at 2:46 PM Vanúcia Schumacher <
vanucia-schumacher at hotmail.com> wrote:

> Hi NCL's users,
>
> I'm trying to plot a hovmueller, which I select the values of the Y-axis
> as explicit, but it is not working.
> When I comment the lines to the explicit axis, the values appear, but not
> in the order of the data, from highest to lowest (see attached figure). I
> wanted the axis values to be from 1000 to 100, from bottom to top.
>
> Could anyone help me with what is missing on this exemple?
>
> Thanks
>
> Follow the script and summary of the variable:
>
> ...
> f1         = addfile("omega.nc", "r")
> var1     = f1->OMEGA(0,:,:,:)
> var       = lonPivot(var1, 180)
> AvgLat = dim_avg_n_Wrap( var, 1 )
>
> res at tmYLMode      = "Explicit"
> res at tmYLValues    = (/ 0.,1.,2.,3.,4.,5.,6.,7.,8.,9./)
> res at tmYLLabels    =
> (/"1000","900","800","700","600","500","400","300","200","100"/)
>
> plot = gsn_csm_hov(wks, AvgLat(:,{-120:-15}), res)
>
> Variable: var
> Type: float
> Total Size: 327680 bytes
>             81920 values
> Number of Dimensions: 3
> Dimensions and sizes: [lev | 10] x [lat | 64] x [lon | 128]
> Coordinates:
>             lev: [992.528..99.0432]
>             lat: [-87.8638..87.8638]
>             lon: [-180..177.1875]
> Number Of Attributes: 7
>   time :    0
>   time_op : average
>   missing_value : 1e+36
>   _FillValue : 1e+36
>   units : PA/S
>   long_name : Vertical velocity (pressure)
>   lonPivot : reordered via lonPivot [NCL]: pivotLon=180
>
> Variable: AvgLat
> Type: float
> Total Size: 5120 bytes
>             1280 values
> Number of Dimensions: 2
> Dimensions and sizes: [lev | 10] x [lon | 128]
> Coordinates:
>             lev: [992.528..99.0432]
>             lon: [-180..177.1875]
> Number Of Attributes: 8
>   _FillValue : 1e+36
>   time :    0
>   time_op : average
>   units : PA/S
>   long_name : Vertical velocity (pressure)
>   lonPivot : reordered via lonPivot [NCL]: pivotLon=180
>   missing_value : 1e+36
>   average_op_ncl : dim_avg_n over dimension(s): lat
>
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