[ncl-talk] warning:cnConstFEnableFill to enable fill
Kunal Bali
kunal.bali9 at gmail.com
Wed Feb 21 04:49:27 MST 2018
Dear Barry Sir,
I set the levels via
res at cnLevelSelectionMode = "ManualLevels"
res at cnMinLevelValF = 0.0
res at cnMaxLevelValF = 1
res at cnLevelSpacingF = 0.005
---
Kunal Bali
On Wed, Feb 21, 2018 at 5:16 PM, Barry Lynn <barry.h.lynn at gmail.com> wrote:
> Hi:
>
> My apologies for asking simple question, but where do you set the levels
> you want to plot?
>
> I see that these two lines are commented out.
>
> ; res at cnLevelSelectionMode = "ExplicitLevels" ; set explicit contour
> levels
>
> ; res at cnLevels = (/0.04,0.06,0.08,0.1,0.12,0.
> 14,0.16,0.18,0.2,0.24,0.26,0.28,0.3,0.32,0.34,0.36,0.38,0.4/)
>
>
> On Wed, Feb 21, 2018 at 1:23 PM, Kunal Bali <kunal.bali9 at gmail.com> wrote:
>
>> Dear NCL users,
>>
>> I am trying to calculate the coefficient of divergence using the attached
>> script. The script is running successfully but I am getting only one value
>> i.e. 1 as a minimum and maximum value which should come in between 0 to 1.
>> And because of that I am also receiving the warning such as
>>
>> warning:ContourPlotInitialize: scalar field is constant; no contour lines
>> will appear; use cnConstFEnableFill to enable fill
>> if I set
>>
>> res at cnConstFEnableFill = True
>>
>> then the whole field is drawn in a single color as expected it will give
>> only one color.
>>
>>
>>
>> Regarding data
>> The data is in different 5 grid structure covering different Indian
>> region so I merged them and got one single file which cover whole Indian
>> region and then runs the attached script.
>>
>> Before merging the data, I used the same script for different grid
>> structures separately and it was giving the correct values between 0 to 1.
>>
>> But this time I am getting only one value.
>>
>> So could anyone please provide some information on that.
>>
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>> *Copyright (C) 1995-2017 - All Rights Reserved University Corporation for
>> Atmospheric Research NCAR Command Language Version 6.4.0 The use of this
>> software is governed by a License Agreement. See http://www.ncl.ucar.edu/
>> <http://www.ncl.ucar.edu/> for more details.Variable: totcType: doubleTotal
>> Size: 4050173952 <040%205017%203952> bytes 506271744
>> valuesNumber of Dimensions: 3Dimensions and sizes: [time | 96] x [lat |
>> 2112] x [lon | 2497]Coordinates: time:
>> [35430.125..104813.7916666667 <079%201666%206667>] lat:
>> [5.0078125..37.9921875] lon: [ 59.. 98]Number Of Attributes:
>> 6 _FillValue : -28672 long_name : AOT at 0.55 micron hdfeos_name
>> : Optical_Depth_055 projection : Albers Conical Equal_Area unit
>> : None missing_value : -28672Variable: totcType: doubleTotal Size:
>> 4050173952 <040%205017%203952> bytes 506271744 valuesNumber of
>> Dimensions: 3Dimensions and sizes: [time | 96] x [lat | 2112] x [lon |
>> 2497]Coordinates: time: [35430.125..104813.7916666667
>> <079%201666%206667>] lat: [5.0078125..37.9921875]
>> lon: [ 59.. 98]Number Of Attributes: 6 _FillValue : -28672 long_name
>> : AOT at 0.55 micron hdfeos_name : Optical_Depth_055 projection
>> : Albers Conical Equal_Area unit : None missing_value :
>> -28672Variable: data_subsetType: doubleTotal Size: 295196160
>> bytes 36899520 valuesNumber of Dimensions: 3Dimensions and
>> sizes: [time | 96] x [lat | 646] x [lon | 595]Coordinates:
>> time: [35430.125..104813.7916666667 <079%201666%206667>] lat:
>> [29.5234375..19.4453125] lon: [91.390625..82.109375]Number Of
>> Attributes: 6 missing_value : -28672 unit : None projection :
>> Albers Conical Equal_Area hdfeos_name : Optical_Depth_055 long_name
>> : AOT at 0.55 micron _FillValue : -28672(0) nearest location:
>> k=0 n=481 m=882 156.836 5297.11(0) -----(0) -----Variable:
>> CoD1Type: doubleTotal Size: 295196160 bytes 36899520
>> valuesNumber of Dimensions: 3Dimensions and sizes: [96] x [646] x
>> [595]Coordinates: Number Of Attributes: 1 _FillValue : -28672(0)
>> min=1 max=1(0) ---Variable: CoD2Type: doubleTotal Size: 3074960
>> bytes 384370 valuesNumber of Dimensions: 2Dimensions and
>> sizes: [646] x [595]Coordinates: Number Of Attributes: 3 long_name :
>> Coef of Divergence _FillValue : -28672 average_op_ncl : dim_avg_n
>> function was applied(0) Coef of Divergence : min=1 max=1Variable:
>> CoD_finalType: doubleTotal Size: 3074960 bytes 384370
>> valuesNumber of Dimensions: 2Dimensions and sizes: [646] x
>> [595]Coordinates: Number Of Attributes: 1 _FillValue : -28672(0)
>> min=1 max=1warning:ContourPlotInitialize: scalar field is constant; no
>> contour lines will appear; use cnConstFEnableFill to enable fill*
>>
>> ---
>> Kunal
>>
>>
>>
>>
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>>
>
>
> --
> Barry H. Lynn, Ph.D
> Senior Lecturer,
> The Institute of the Earth Science,
> The Hebrew University of Jerusalem,
> Givat Ram, Jerusalem 91904, Israel
> Tel: 972 547 231 170
> Fax: (972)-25662581
>
> C.E.O, Weather It Is, LTD
> Weather and Climate Focus
> http://weather-it-is.com
> Jerusalem, Israel
> Local: 02 930 9525
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> Int-IS: x972 2 930 9525
> US 914 432 3108 <091443%2023108>
>
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