[ncl-talk] Error while handling multiple WRF output files

swati shewale shewaleswati16 at gmail.com
Tue Oct 10 01:15:05 MDT 2017


I think I can change the position of title itself....it resolves the
issue....I will try to write the script that way

On Tue, Oct 10, 2017 at 11:53 AM, swati shewale <shewaleswati16 at gmail.com>
wrote:

> vertical scale for WUCM and NOUCM is common (single)
>
> On Tue, Oct 10, 2017 at 11:51 AM, swati shewale <shewaleswati16 at gmail.com>
> wrote:
>
>> I am sorry raw idea about plot is correct....but mistaken about giving
>> title....please neglect title
>> it should be as
>>
>>
>>    title --->                      13aug          14aug
>> 15aug
>>
>>  WUCM                         plot0             plot1
>> plot2                 vertical scale for WUCM and NOUCM    vertical scale
>> for WUCM-NOUCM
>>  NOUCM                        plot3             plot4              plot5
>>  (WUCM - NOUCM)         plot6             plot7              plot8
>>
>>
>> WUCM, NOUCM and (WUCM - NOUCM) is left axis string....title and string I
>> can provide....about scale doubtful as well as arranging plots from top to
>> bottom
>>
>>
>>
>> On Tue, Oct 10, 2017 at 11:44 AM, swati shewale <shewaleswati16 at gmail.com
>> > wrote:
>>
>>>
>>> I understood gsn_panel(wks,(/plot0,plot1,pl
>>> ot2,plot3,plot4,plot5/),(/2,3/),pres) will give 3 plot in one row and
>>> another 3 plot in second row as follows
>>>
>>> plot0    plot1    plot2
>>> plot3    plot4    plot5
>>>
>>> but below resources
>>>
>>> pres at gsnPanelLeft       = 0.
>>> pres at gsnPanelRight      = 2./3
>>>
>>>  tells arrange plot as
>>>
>>> plot0 plot1
>>> plot2 plot3
>>> plot4 plot4
>>>
>>> so using which resource should I replace it
>>> Also tell me about scale, that I want in extreme right
>>>
>>> let me give you raw idea
>>>
>>> WUCM = 3 plot (1st row =plot0, plot1, plot2)
>>> NOWUCM = 3 plot (1st row =plot3, plot4, plot5)
>>> WUCM-NOUCM = 3 plot (1st row =plot6, plot7, plot8)
>>>
>>>
>>> title --->      WUCM         NOUCM       (WUCM-NOUCM)
>>>
>>>                    plot0             plot1              plot2
>>>               vertical scale for WUCM and NOUCM    vertical scale for
>>> WUCM-NOUCM
>>>                    plot3             plot4              plot5
>>>                    plot6             plot7              plot8
>>>
>>>
>>>
>>>
>>>
>>> On Tue, Oct 10, 2017 at 11:29 AM, swati shewale <
>>> shewaleswati16 at gmail.com> wrote:
>>>
>>>> but as We have mentioned that put first  6 plot in left side (
>>>> pres at gsnPanelLeft       = 0.
>>>>   pres at gsnPanelRight      = 2./3)....so even if we write
>>>> gsn_panel(wks,(/plot0,plot1,plot2,plot3,plot4,plot5/),(/2,3/),pres)
>>>>  as per my knowledge, it will arrange as follows
>>>>
>>>> plot0  plot1
>>>> plot2  plot3
>>>> plot4  plot5
>>>>
>>>> On Mon, Oct 9, 2017 at 11:41 PM, Mary Haley <haley at ucar.edu> wrote:
>>>>
>>>>> There's no resource that changes the ordering of the plots.
>>>>>
>>>>> To change the ordering of the plots, you simply need to rearrange them
>>>>> in the call to gsn_panel.
>>>>>
>>>>> In order words, which ever plot you want in the upper left corner is
>>>>> the one that should be first listed in the call to gsn_panel:
>>>>>
>>>>> gsn_panel(wks,(/plot0,plot1,plot2,plot3,plot4,plot5/),(/2,3/),pres)
>>>>>
>>>>> Right now, it's ordered:
>>>>>
>>>>>    plot0    plot1    plot2
>>>>>    plot3    plot4    plot5
>>>>>
>>>>> If you want:
>>>>>
>>>>>    plot3    plot4    plot5
>>>>>    plot0    plot1    plot2
>>>>>
>>>>>
>>>>> then use:
>>>>>
>>>>> gsn_panel(wks,(/plot3,plot4,plot5,plot0,plot1,plot2/),(/2,3/),pres)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --Mary
>>>>>
>>>>>
>>>>> On Mon, Oct 9, 2017 at 7:10 AM, swati shewale <
>>>>> shewaleswati16 at gmail.com> wrote:
>>>>>
>>>>>> above attached plot is just to show the scale (rightmost) and left
>>>>>> side titles that I want. I know the resource for left side is tiYAxisString
>>>>>> / tiXAxisString. but unable to make plotting from top to bottom
>>>>>>
>>>>>> On Mon, Oct 9, 2017 at 6:25 PM, swati shewale <
>>>>>> shewaleswati16 at gmail.com> wrote:
>>>>>>
>>>>>>> Dear Mary,
>>>>>>>
>>>>>>> The resources that you set in your demo script like left and right
>>>>>>> space for panel (first panel of six plot vertically and another panel of
>>>>>>> three plot vertically) as below
>>>>>>>
>>>>>>>
>>>>>>> ;---Define space for leftmost column of plots, and their labelbar
>>>>>>> width
>>>>>>>   pres at gsnPanelLeft       = 0.
>>>>>>>   pres at gsnPanelRight      = 2./3
>>>>>>>   pres at pmLabelBarWidthF   = 0.6
>>>>>>>   gsn_panel(wks,(/plot1,plot2,plot3,plot4,plot5,plot6/),(/3,2/
>>>>>>> ),pres)
>>>>>>>
>>>>>>> ;---Define space for righmost column of plots, and their labelbar
>>>>>>> width
>>>>>>>   delta = 0.028
>>>>>>>   pres at gsnPanelLeft       = pres at gsnPanelRight - delta   ; Left
>>>>>>> plots don't stretch all the way to
>>>>>>>
>>>>>>>                 ; 2/3, so move right plots a little to left.
>>>>>>>   pres at gsnPanelRight      = 1.0 - delta
>>>>>>>   pres at pmLabelBarWidthF   = pres at pmLabelBarWidthF * 0.5  ; half the
>>>>>>> width of other labelbar
>>>>>>>   gsn_panel(wks,(/plot7,plot8,plot9/),(/3,1/),pres)
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> If I wish to do plots from top to bottom instead of left to right,
>>>>>>> along with both scales vertical (which should have position to the extreme
>>>>>>> right).
>>>>>>> I just did change in your script as follow
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> ;---Set some panel resources common to both sets of plots
>>>>>>>   pres                    = True
>>>>>>>  pres at txFontHeightF = .010
>>>>>>>   pres at txString                   = "
>>>>>>> WUCM
>>>>>>> NOUCM                                     WUCM - NOUCM"
>>>>>>>   pres at gsnPanelLabelBar   = True
>>>>>>>   pres at gsnMaximize        = True
>>>>>>>   pres at pmLabelBarHeightF  = 0.08
>>>>>>>   pres at lbLabelFontHeightF = 0.01
>>>>>>>   pres at gsnFrame           = False    ; Needed for paneling two sets
>>>>>>> of plots on same frame.
>>>>>>>   pres at gsnPanelYWhiteSpacePercent = 4
>>>>>>>   pres at gsnPanelXWhiteSpacePercent = 4
>>>>>>>   pres at gsnPanelBoxes = True      ; debugging tool
>>>>>>>
>>>>>>> ;---Define space for leftmost column of plots, and their labelbar
>>>>>>> width
>>>>>>>   pres at gsnPanelTop       = 0.
>>>>>>>   pres at gsnPanelBottom      = 2./3
>>>>>>>   pres at pmLabelBarWidthF   = 0.6
>>>>>>>   gsn_panel(wks,(/plot0,plot1,plot2,plot3,plot4,plot5/),(/2,3/
>>>>>>> ),pres)
>>>>>>>
>>>>>>> ;---Define space for righmost column of plots, and their labelbar
>>>>>>> width
>>>>>>>   delta = 0.005
>>>>>>>   pres at gsnPanelTop      = pres at gsnPanelBottom - delta   ; Left
>>>>>>> plots don't stretch all the way to
>>>>>>>
>>>>>>>                  ; 2/3, so move right plots a little to left.
>>>>>>>   pres at gsnPanelBottom      = 1.0 - delta
>>>>>>>   pres at pmLabelBarWidthF   = pres at pmLabelBarWidthF * 0.5  ; half the
>>>>>>> width of other labelbar
>>>>>>>   gsn_panel(wks,(/plot6,plot7,plot8/),(/3,1/),pres)
>>>>>>>
>>>>>>>   txres               = True
>>>>>>>   txres at txFontHeightF = 0.02
>>>>>>>   gsn_text_ndc(wks,"Temperature at 2m (degC) over Patna
>>>>>>> city",0.5,0.92,txres)
>>>>>>>
>>>>>>> gives me error as
>>>>>>>
>>>>>>> (0)    Warning: gsn_panel: attribute gsnPanelTop must be > 0.0 and
>>>>>>> <= 1.0
>>>>>>> (0)    Defaulting to 1.
>>>>>>> (0)    Warning: gsn_panel: font height (0.01) of main string is too
>>>>>>> large to fit in space provided. Either decrease font size or set
>>>>>>> gsnPanelTop.
>>>>>>> (0)    Warning: gsn_panel: font height (0.02) of main string is too
>>>>>>> large to fit in space provided. Either decrease font size or set
>>>>>>> gsnPanelTop.
>>>>>>> (0)    Error: gsn_panel: attribute gsnPanelTop (0.661667) must be
>>>>>>> greater
>>>>>>> (0)    than gsnPanelBottom (0.995).
>>>>>>>
>>>>>>> Also Please tell me, how should I fix scale vertically that to
>>>>>>> extreme right.  Actually I want plot from top to bottom because I want to
>>>>>>> provide resources at left side (for example purpose attached a plot).
>>>>>>>
>>>>>>> I have model runs two types ....named WUCM and NOUCM
>>>>>>> I want it like......first row  contain 3 plot (WUCM)
>>>>>>>                        second row contain 3 plot (NOWUCM)
>>>>>>> above two rows have same scale
>>>>>>>                        third row contain 3 plot of above difference
>>>>>>> (WUCM - NOWUCM)
>>>>>>> this one have different scale (as it is difference between WUCM -
>>>>>>> WUCM)
>>>>>>>
>>>>>>> I hope, I tried better to convey things I want.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Mon, Oct 9, 2017 at 11:30 AM, swati shewale <
>>>>>>> shewaleswati16 at gmail.com> wrote:
>>>>>>>
>>>>>>>> Thanks a lot Mary for giving detail info along with demo script.
>>>>>>>> I have mentioned special lat2d/lon2d attributes in gsn script
>>>>>>>> (named convention in my a script is lat/lon). Anyway I will go through the
>>>>>>>> script and link. Thanks again.
>>>>>>>>
>>>>>>>> On Sat, Oct 7, 2017 at 12:46 AM, Mary Haley <haley at ucar.edu> wrote:
>>>>>>>>
>>>>>>>>> Hello,
>>>>>>>>>
>>>>>>>>> Thanks for providing clean scripts and explanations.
>>>>>>>>>
>>>>>>>>> 1. This warning is because when you use gsn_csm_contour_map to
>>>>>>>>> plot curvilinear data, you must associate the lat/lon arrays with the data
>>>>>>>>> being plotted. Otherwise, it does't know where on the map the data is
>>>>>>>>> supposed to go.
>>>>>>>>>
>>>>>>>>> If you looked at the wrf_gsn_1.ncl and wrf_gsn_2.ncl scripts,
>>>>>>>>> you'll see they are both using special lat2d/lon2d attributes to accomplish
>>>>>>>>> this:
>>>>>>>>>
>>>>>>>>>   hgt       = wrf_user_getvar(a,"HGT",it)    ; Terrain elevation
>>>>>>>>>   hgt at lat2d = wrf_user_getvar(a,"XLAT",it)   ; latitude/longitude
>>>>>>>>>   hgt at lon2d = wrf_user_getvar(a,"XLONG",it)  ; required for
>>>>>>>>> plotting
>>>>>>>>>
>>>>>>>>> However, you would have to do this for every variable you plot.
>>>>>>>>>
>>>>>>>>> Instead, you can set these two resources before any calls to
>>>>>>>>> gsn_csm_contour_map:
>>>>>>>>>
>>>>>>>>> res at sfXArray = lon
>>>>>>>>> res at sfYArray = lat
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> ​2. ​
>>>>>>>>> I think the issue with cnConstFEnableFill
>>>>>>>>> ​ is that you are setting that resource *after* plots #0-5 have
>>>>>>>>> been created.  You need to make sure this line:
>>>>>>>>>
>>>>>>>>>     res at cnConstFEnableFill= True ; allow constant values (1=sig)
>>>>>>>>> to fill
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> ​is *before* all of your gsn_csm_contour_map calls.
>>>>>>>>>
>>>>>>>>> ​3. In order to panel two sets of plots on the same page, you
>>>>>>>>> first need to set:
>>>>>>>>>
>>>>>>>>> pnlres at gsnFrame = False
>>>>>>>>>
>>>>>>>>> so that the frame doesn't get advanced after each one. You will
>>>>>>>>> then need to advance the frame yourself when done:
>>>>>>>>>
>>>>>>>>> frame(wks)
>>>>>>>>>
>>>>>>>>> The other issue with paneling two sets of plots, is that you need
>>>>>>>>> to make sure they don't get drawn on top of each other. There are many
>>>>>>>>> examples on our "Panels
>>>>>>>>> <http://www.ncl.ucar.edu/Applications/panel.shtml>" example page
>>>>>>>>> that show how to do various configurations of plots and labelbars. Here are
>>>>>>>>> some that might help:
>>>>>>>>>
>>>>>>>>> http://www.ncl.ucar.edu/Applications/panel.shtml#ex12
>>>>>>>>> http://www.ncl.ucar.edu/Applications/panel.shtml#ex22
>>>>>>>>>
>>>>>>>>> The important thing is that you need to set gsnPanelRight /
>>>>>>>>> gsnPanelLeft to control which part of the frame each set of plots is drawn
>>>>>>>>> in.  Since the first set is 3 x 2 plots and the second set is 3 x 1 plots,
>>>>>>>>> this means the 3 x 2 plots should take up 2/3 of the width, and the 3 x 1
>>>>>>>>> plots will take up 1/3 of the width.
>>>>>>>>>
>>>>>>>>> See attached script which uses dummy data.
>>>>>>>>>
>>>>>>>>> --Mary
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Fri, Oct 6, 2017 at 2:04 AM, swati shewale <
>>>>>>>>> shewaleswati16 at gmail.com> wrote:
>>>>>>>>>
>>>>>>>>>> Hello Mary,
>>>>>>>>>>
>>>>>>>>>> As per your suggestion I went through the links provided by you.
>>>>>>>>>> I will explain one by one the issues I came across while doing plot using
>>>>>>>>>> inbuilt wrf function as well as gsn function separately. I have attached
>>>>>>>>>> scripts along with plot. the kind of titles (as well as left and side
>>>>>>>>>> string), I want is reflected in gsn plot which am unable to do in wrf plot.
>>>>>>>>>> I have given suitable names to scripts as well as plot for your
>>>>>>>>>> convenience. Hope you wont get confuse.
>>>>>>>>>>
>>>>>>>>>> In first script (1_plot_using_wrf_function)
>>>>>>>>>> 1. after mentioning re at cnConstFEnableFill  = True, getting
>>>>>>>>>> warning as
>>>>>>>>>> warning:ContourPlotInitialize: scalar field is constant; no
>>>>>>>>>> contour lines will appear; use cnConstFEnableFill to enable fill
>>>>>>>>>>
>>>>>>>>>> actually using wrf in built function gives nice plot but unable
>>>>>>>>>> to make self explanatory (giving strings and titles) plot so thought of
>>>>>>>>>> ploting using gsn function
>>>>>>>>>>
>>>>>>>>>> In second script (2_plot_using_gsn_function), issues are
>>>>>>>>>>
>>>>>>>>>> 1. even after mentioning lat/lon getting warning as follow
>>>>>>>>>> (0)    check_for_y_lat_coord: Warning: Data either does not
>>>>>>>>>> contain a valid latitude coordinate array or doesn't contain one at all.
>>>>>>>>>> (0)    A valid latitude coordinate array should have a 'units'
>>>>>>>>>> attribute equal to one of the following values:
>>>>>>>>>> (0)        'degrees_north' 'degrees-north' 'degree_north'
>>>>>>>>>> 'degrees north' 'degrees_N' 'Degrees_north' 'degree_N' 'degreeN' 'degreesN'
>>>>>>>>>> 'deg north'
>>>>>>>>>> (0)    check_for_lon_coord: Warning: Data either does not contain
>>>>>>>>>> a valid longitude coordinate array or doesn't contain one at all.
>>>>>>>>>> (0)    A valid longitude coordinate array should have a 'units'
>>>>>>>>>> attribute equal to one of the following values:
>>>>>>>>>> (0)        'degrees_east' 'degrees-east' 'degree_east' 'degrees
>>>>>>>>>> east' 'degrees_E' 'Degrees_east' 'degree_E' 'degreeE' 'degreesE' 'deg east'
>>>>>>>>>>
>>>>>>>>>> 2. after mentioning re at cnConstFEnableFill  = True, getting
>>>>>>>>>> warning as
>>>>>>>>>> warning:ContourPlotInitialize: scalar field is constant; no
>>>>>>>>>> contour lines will appear; use cnConstFEnableFill to enable fill
>>>>>>>>>>
>>>>>>>>>> 3. I want all 9 plots on single panel with scales vertical,
>>>>>>>>>> instead I am getting it on two different pages
>>>>>>>>>>
>>>>>>>>>> I think, I have to manage or add more resources in pres1/pres2
>>>>>>>>>> such as (*vpXF
>>>>>>>>>> <https://www.ncl.ucar.edu/Document/Graphics/Resources/vp.shtml#vpXF>*
>>>>>>>>>> and *vpYF
>>>>>>>>>> <https://www.ncl.ucar.edu/Document/Graphics/Resources/vp.shtml#vpYF>*)
>>>>>>>>>> (*vpHeightF
>>>>>>>>>> <https://www.ncl.ucar.edu/Document/Graphics/Resources/vp.shtml#vpHeightF>*
>>>>>>>>>> and *vpWidthF
>>>>>>>>>> <https://www.ncl.ucar.edu/Document/Graphics/Resources/vp.shtml#vpWidthF>*)
>>>>>>>>>> , so that I may get 9 plots on single panel. If you know any link which
>>>>>>>>>> resembles like the plot i want,Please let me know. side by I will again go
>>>>>>>>>> through links given by you.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Sat, Sep 23, 2017 at 9:30 AM, swati shewale <
>>>>>>>>>> shewaleswati16 at gmail.com> wrote:
>>>>>>>>>>
>>>>>>>>>>> Thank you so much Mary....surely I will go through the link
>>>>>>>>>>> provided by you....If come across any problem, will let you know
>>>>>>>>>>>
>>>>>>>>>>> On Sat, Sep 23, 2017 at 12:36 AM, Mary Haley <haley at ucar.edu>
>>>>>>>>>>> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> Please see this page:
>>>>>>>>>>>>
>>>>>>>>>>>> http://www.ncl.ucar.edu/Applications/wrfgsn.shtml
>>>>>>>>>>>>
>>>>>>>>>>>> and look at the first example (wrf_gsn_1.ncl and
>>>>>>>>>>>> wrf_nogsn_1.ncl) and the second example (wrf_gsn_2.ncl).
>>>>>>>>>>>>
>>>>>>>>>>>> These show how to use gsn to plot data and it compares the plot
>>>>>>>>>>>> with using WRF functions.
>>>>>>>>>>>>
>>>>>>>>>>>> In the wrf_gsn_1.ncl plot, you can see that the
>>>>>>>>>>>> gsnLeft/RightString resources are being set automatically, because the data
>>>>>>>>>>>> has a description and units attribute.
>>>>>>>>>>>>
>>>>>>>>>>>> Try this script as a start on your own data, and also look at
>>>>>>>>>>>> wrf_gsn_2.ncl to see how to further customize your plot.
>>>>>>>>>>>>
>>>>>>>>>>>> If you are unable to get the plot to look as nice as you want,
>>>>>>>>>>>> email ncl-talk at ucar.edu again with your new script and what
>>>>>>>>>>>> you want it to look like, and we can help further.
>>>>>>>>>>>>
>>>>>>>>>>>> Good luck,
>>>>>>>>>>>>
>>>>>>>>>>>> --Mary
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> On Fri, Sep 22, 2017 at 3:21 AM, swati shewale <
>>>>>>>>>>>> shewaleswati16 at gmail.com> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> Thank you Mary... its wrf file, I just renamed it for my
>>>>>>>>>>>>> convenience. Actually I am able to plot it using wrf function but unable to
>>>>>>>>>>>>> put left/right/centre strings, as those are related to gsn functions. so to
>>>>>>>>>>>>> overcome the difficulty of left/right/centre, I thought to make a plot
>>>>>>>>>>>>> using gsn functions injstead of wrf functions. but inbuilt wrf functions
>>>>>>>>>>>>> gives nicer plots than gsn one.
>>>>>>>>>>>>>
>>>>>>>>>>>>> On Fri, Sep 22, 2017 at 3:48 AM, Mary Haley <haley at ucar.edu>
>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> It's hard for somebody to simply look at a script to see if
>>>>>>>>>>>>>> it's correct or not.  I do see some errors, but even if I correct the
>>>>>>>>>>>>>> errors, I can't be sure it's 100% correct without having access to your
>>>>>>>>>>>>>> data.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> The problems are:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> [1]
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Your data file is called "patna_data.nc". You are using
>>>>>>>>>>>>>> wrf_xxxx functions to plot this data. Since WRF-ARW output files are
>>>>>>>>>>>>>> normally called something like "wrfout_d02_2005-08-29_00:00:00",
>>>>>>>>>>>>>> I can't be sure that you are actually plotting WRF-ARW data. You can only
>>>>>>>>>>>>>> use wrf_xxx plotting functions on WRF-ARW data.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> [2]
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> You have:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>  t   = a->T2(0:7,:,:)
>>>>>>>>>>>>>>  ter = dim_avg_n( ter1, 0 )
>>>>>>>>>>>>>>  ter = ter - 273
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> I don't know what your objective, so I don't know if the
>>>>>>>>>>>>>> above is correct.  However, you are calling "dim_avg_n" on "ter1" which
>>>>>>>>>>>>>> doesn't exist.  Did you mean:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>  ter = dim_avg_n( t, 0 )
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> The above will take an average of the first 8 times teps of
>>>>>>>>>>>>>> your data, assuming that the leftmost dimension of T2 represents time.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Further, you should use the _Wrap version of this function,
>>>>>>>>>>>>>> so metadata is maintained:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>  ter = dim_avg_n_Wrap( t, 0 )
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> [3]
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> You have:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> ter = ter - 273
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Since you are changing the units, you should update the
>>>>>>>>>>>>>> "units" attribute to something like this:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> ter at units = "degC"
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> The rest of the script looks okay, but again, the wrf_contour
>>>>>>>>>>>>>> and wrf_map_overlays procedures will only work if you are actually plotting
>>>>>>>>>>>>>> WRF-ARW data.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> --Mary
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> On Thu, Sep 7, 2017 at 10:02 PM, swati shewale <
>>>>>>>>>>>>>> shewaleswati16 at gmail.com> wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Thank you. I will try with your script. yesterday I tried it
>>>>>>>>>>>>>>> with below script. Please have a look and let me know, whether it is
>>>>>>>>>>>>>>> correct or not.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> On Fri, Sep 8, 2017 at 12:54 AM, Mary Haley <haley at ucar.edu>
>>>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> If I understand you correctly, then you need to reshape
>>>>>>>>>>>>>>>> your X array so that it is NTIM x 8 x NLAT x NLON, and then you can average
>>>>>>>>>>>>>>>> across the second dimension from the left.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> I've attached a modified version of your script, which is
>>>>>>>>>>>>>>>> UNTESTED. You may need to modify it to do the right thing with regard to
>>>>>>>>>>>>>>>> copying over the required metadata.  I did this a little with copy_VarAtts,
>>>>>>>>>>>>>>>> and copy_coords.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> --Mary
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> On Thu, Sep 7, 2017 at 3:42 AM, swati shewale <
>>>>>>>>>>>>>>>> shewaleswati16 at gmail.com> wrote:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Hiii,
>>>>>>>>>>>>>>>>> using ncrcat I have single file containing 24 time step
>>>>>>>>>>>>>>>>> (3hrly, 3 days). Now I want to plot temperature variable (average for each
>>>>>>>>>>>>>>>>> day, spatial, panel plot). I am unable to take out time step for 1st day
>>>>>>>>>>>>>>>>> (0:7) and then do average of it...then second day (8:15) ...likewise for
>>>>>>>>>>>>>>>>> third day (16:23). I wrote a script, in that it takes average over all time
>>>>>>>>>>>>>>>>> steps. what changes should I make so that I can get average over specific
>>>>>>>>>>>>>>>>> time step? attached herewith script.
>>>>>>>>>>>>>>>>> summary of variable temperature is as follow.
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Variable: X
>>>>>>>>>>>>>>>>> Type: float
>>>>>>>>>>>>>>>>> Total Size: 5658552 bytes
>>>>>>>>>>>>>>>>>             1414638 values
>>>>>>>>>>>>>>>>> Number of Dimensions: 3
>>>>>>>>>>>>>>>>> Dimensions and sizes:    [Time | 23] x [south_north | 201]
>>>>>>>>>>>>>>>>> x [west_east | 306]
>>>>>>>>>>>>>>>>> Coordinates:
>>>>>>>>>>>>>>>>> Number Of Attributes: 6
>>>>>>>>>>>>>>>>>   FieldType :    104
>>>>>>>>>>>>>>>>>   MemoryOrder :    XY
>>>>>>>>>>>>>>>>>   description :    TEMP at 2 M
>>>>>>>>>>>>>>>>>   units :    K
>>>>>>>>>>>>>>>>>   stagger :
>>>>>>>>>>>>>>>>>   coordinates :    XLONG XLAT XTIME
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> On Thu, Sep 7, 2017 at 3:04 PM, swati shewale <
>>>>>>>>>>>>>>>>> shewaleswati16 at gmail.com> wrote:
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Thank you. I will try with it.
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> On Wed, Sep 6, 2017 at 8:39 PM, Mary Haley <
>>>>>>>>>>>>>>>>>> haley at ucar.edu> wrote:
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> The error message is telling you that there's something
>>>>>>>>>>>>>>>>>>> wrong with argument 0 passed to wrf_contour.  Argument 0 refers to the
>>>>>>>>>>>>>>>>>>> first argument in the list, which is "a(itime)" in this case.
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> The issue is that when you use addfiles to open a series
>>>>>>>>>>>>>>>>>>> of files, you need to use square brackets, [], to access a single file, and
>>>>>>>>>>>>>>>>>>> not curved brackets, (). This is because addfiles returns a "List" object,
>>>>>>>>>>>>>>>>>>> and lists in NCL need to be access with square brackets.
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> You have:
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>         contour = wrf_contour(a(itime),wks,t,t_res)
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> and this should be:
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>         contour = wrf_contour(a[itime],wks,t,t_res)
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> --Mary
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> On Mon, Sep 4, 2017 at 4:40 AM, swati shewale <
>>>>>>>>>>>>>>>>>>> shewaleswati16 at gmail.com> wrote:
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> Hiiii
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> I want to do panel plotting using WRF output. I have
>>>>>>>>>>>>>>>>>>>> total 8 files, each contains single time step (one day, 3 hrly datafiles so
>>>>>>>>>>>>>>>>>>>> total 8 files). out of eight times I want to plot 6 time step (panel plot)
>>>>>>>>>>>>>>>>>>>> for variable slp and temperature.
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> It shows below error.
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> fatal:Argument type mismatch on argument (0) of
>>>>>>>>>>>>>>>>>>>> (wrf_contour) can not coerce
>>>>>>>>>>>>>>>>>>>> fatal:["Execute.c":8567]:Execute: Error occurred at or
>>>>>>>>>>>>>>>>>>>> near line 44 in file temp.ncl
>>>>>>>>>>>>>>>>>>>> (0)    Error: gsn_panel: all of the plots passed to
>>>>>>>>>>>>>>>>>>>> gsn_panel appear to be invalid
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>  Attached herewith script.
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> Thank you in advance. Any help will be appreciated
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>>>>>>>> ncl-talk mailing list
>>>>>>>>>>>>>>>>>>>> ncl-talk at ucar.edu
>>>>>>>>>>>>>>>>>>>> List instructions, subscriber options, unsubscribe:
>>>>>>>>>>>>>>>>>>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20171010/10366159/attachment-0001.html>


More information about the ncl-talk mailing list