[ncl-talk] Question about adding location dots

[Barry Lynn]

Hi:

Does anyone have a suggestion on how to get rid of the error I mention
below.

I tried to add markers to all the plots. Only the city names get added,
with markers on the last.

Thanks.

On Tue, Dec 27, 2016 at 10:01 PM, Barry Lynn <barry.h.lynn at gmail.com> wrote:

> Hi:
>
> The problem with this suggestion (I think) to loop is that I am not sure
> how to include the ncities parameter.
>
> These variables were originally defined this way.
>
>   textid  = new(ncities,graphic)   ; Create array to hold text objects
>   markid  = new(ncities,graphic)   ; Create array to hold marker objects
>
> If I define and loop as you suggest below, then I get an error that the
> LHS and RHS dimensions do not match (after commenting out two lines above,
> and including the definitions for markid and textid similar to plot.
>
> fatal:Dimension sizes on right hand side of assignment do not match
> dimension sizes of left hand side
> fatal:["Execute.c":8575]:Execute: Error occurred at or near line 549 in
> file ./wrf_gsn_loop_t_light_ave_prob.ncl
>
>
> Barry
>
>
> On Tue, Dec 27, 2016 at 5:26 PM, Mary Haley <haley at ucar.edu> wrote:
>
>> Hi Barry,
>>
>> When you have an error message you don't understand, you can either check
>> our FAQ or our error messages page. You can find a link to both of these
>> pages under the "Support" menu on the black bar of any NCL web page. These
>> are the direct links:
>>
>> http://www.ncl.ucar.edu/FAQ/#err_msgs
>> http://www.ncl.ucar.edu/Document/Language/error_messages.shtml
>>
>> You will find a reference to this error message here:
>>
>> http://www.ncl.ucar.edu/FAQ/#err_msgs_027
>>
>>
>> Whenever you add markers, text, lines, or polygons to a plot using one of
>> the gsn_add_xxxx functions, you need to use a unique variable name.
>>
>> You currently have:
>>
>>     markid = gsn_add_polymarker(wks,plot(0),lon,lat,mkres)
>>     textid = gsn_add_text(wks,plot(0),cities,lon,lat,txres)
>>     markid = gsn_add_polymarker(wks,plot(1),lon,lat,mkres)
>>     textid = gsn_add_text(wks,plot(1),cities,lon,lat,txres)
>>     markid = gsn_add_polymarker(wks,plot(2),lon,lat,mkres)
>>     textid = gsn_add_text(wks,plot(2),cities,lon,lat,txres)
>>     markid = gsn_add_polymarker(wks,plot(3),lon,lat,mkres)
>>     textid = gsn_add_text(wks,plot(3),cities,lon,lat,txres)
>>
>> What happens is that you are reassigning markid and textid, and hence
>> those markers and text go away. You need to make each variable different.
>>
>> You can either do something like this:
>>
>>     markid0 = gsn_add_polymarker(wks,plot(0),lon,lat,mkres)
>>     textid0 = gsn_add_text(wks,plot(0),cities,lon,lat,txres)
>>     markid1 = gsn_add_polymarker(wks,plot(1),lon,lat,mkres)
>>     textid1 = gsn_add_text(wks,plot(1),cities,lon,lat,txres)
>>     markid2 = gsn_add_polymarker(wks,plot(2),lon,lat,mkres)
>>     textid2 = gsn_add_text(wks,plot(2),cities,lon,lat,txres)
>>     markid3 = gsn_add_polymarker(wks,plot(3),lon,lat,mkres)
>>     textid3 = gsn_add_text(wks,plot(3),cities,lon,lat,txres)
>>
>> or even better, up where you define "plot", add these lines:
>>
>> ; define number of panel plots
>>   plot = new(4,graphic)
>>   markid = new(4,graphic)
>>   textid = new(4,graphic)
>>
>> and then, since you are adding the same markers and text to all four
>> plots, you can use a loop right before you call gsn_panel:
>>
>>   do n=0,3
>>     markid(n) = gsn_add_polymarker(wks,plot(n),lon,lat,mkres)
>>     textid(n) = gsn_add_text(wks,plot(n),cities,lon,lat,txres)
>>   end do
>>
>> --Mary
>>
>>
>>
>>
>> On Mon, Dec 26, 2016 at 6:33 AM, Barry Lynn <barry.h.lynn at gmail.com>
>> wrote:
>>
>>> Hi:
>>>
>>> I have attached an ncl program that is suppose to add location dots.
>>>
>>> They get added to the last map, but not the first.
>>>
>>> I also want to center the time over the whole set of maps, not the first.
>>>
>>> I get this warning, which is probably relevant.
>>>
>>> Fontconfig warning: ignoring UTF-8: not a valid region tag
>>> warning:TransformPostDraw: tfPolyDrawList element 0 is invalid
>>> warning:TransformPostDraw: tfPolyDrawList element 0 is invalid
>>> warning:TransformPostDraw: tfPolyDrawList element 0 is invalid
>>>
>>> I saw this from Mary Haley, but wasn't sure if it/how applies to my
>>> script.
>>>
>>> Thank you,
>>>
>>> --
>>> 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
>>> Cell: 054 7 231 170
>>> Int-IS: x972 2 930 9525
>>> US 914 432 3108 <(914)%20432-3108>
>>>
>>> _______________________________________________
>>> ncl-talk mailing list
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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
> Cell: 054 7 231 170
> Int-IS: x972 2 930 9525
> US 914 432 3108 <(914)%20432-3108>
>



-- 
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
Cell: 054 7 231 170
Int-IS: x972 2 930 9525
US 914 432 3108
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