Re: REQUEST-help

Thanks and the information is very helpful.

On Wed, Nov 23, 2011 at 12:11 PM, Dennis Shea <shea@ucar.edu> wrote:

> The warning message is telling you exactly what the problem is:
>
> > Specific humidity: min=0 max=0
>
> The Since the min=0 and the max=0, there can be no contours.
> All values are the same!
>
>
> > warning:ContourPlotInitialize: scalar field is constant; ContourPlot not
> > possible:[errno=1102]
> ==============================**==
> lev = f1->lv_ISBL1
> print(lev)
>
> (1) Note to what level subscript 1 corresponds.
> (2) NCL has 0-based subscripts [like C]
> (3) I suggest
>
> klev = dimsizes(lev)
> SHAvg=dim_avg_n_Wrap(SH(:,**klev-1,:,:),0)
> or
> SHAvg=dim_avg_n_Wrap(SH(:,**klev-2,:,:),0)
>
> Whatever level you want
>
> ====================
> If you are new to NCL, please go to
> http://www.ncl.ucar.edu/**Document/Manuals/<http://www.ncl.ucar.edu/Document/Manuals/>
>
> and read the mini-Reference manual
>
> Cheers
>
>
>
> On 11/22/11 11:23 PM, manaswini sreekar wrote:
>
>>
>> Sorry for the Mistake.
>>
>> Here is the PrintVarSummary and Min and Max and output of the file
>>
>> Specific humidity: min=0 max=0
>>
>> Variable: SH
>> Type: float
>> Total Size: 3968000000 bytes
>> 992000000 values
>> Number of Dimensions: 4
>> Dimensions and sizes: [initial_time0_hours | 31] x [lv_ISBL1 | 25] x
>> [g4_lat_2 | 800] x [g4_lon_3 | 1600]
>> Coordinates:
>> initial_time0_hours: [1827654..1828374]
>> lv_ISBL1: [1..1000]
>> g4_lat_2: [89.82787..-89.82787]
>> g4_lon_3: [ 0..359.775]
>> Number Of Attributes: 10
>> forecast_time_units : hours
>> forecast_time : 0
>> parameter_number : 133
>> parameter_table_version : 128
>> gds_grid_type : 4
>> level_indicator : 100
>> _FillValue : 1e+20
>> units : kg kg**-1
>> long_name : Specific humidity
>> center : European Center for Medium-Range Weather Forecasts (RSMC)
>> warning:ContourPlotInitialize: scalar field is constant; ContourPlot not
>> possible:[errno=1102]
>>
>> On 11/22/11 10:52 PM, manaswini sreekar wrote:
>>
>>
>>
>> Hi
>>
>> Is there anyone who can help me with this error?
>>
>> warning:ContourPlotInitialize: scalar field is constant;
>> ContourPlot not
>> possible:[errno=1102].
>>
>> The details are
>>
>> date range july1st2008-july31st 2008
>>
>> levels :all
>>
>> parameter specifichumidity
>>
>

-- 
manu

_______________________________________________
ncl-talk mailing list
List instructions, subscriber options, unsubscribe:
http://mailman.ucar.edu/mailman/listinfo/ncl-talk
Received on Wed Nov 23 01:03:13 2011