[ncl-talk] Changing the thickness of one Line? Resource, please.

[Barry Lynn]

Hello:

I can't figure out why I am getting this error.  The program worked fine
until I tried to thicken one line.

I don't see on the example page where I am suppose to define "contour."  I
was trying to thicken the 5500 m contour line on a set of maps....

Thanks.

warning:Attempt to reference attribute (contour) which is undefined

fatal:["Execute.c":8637]:Execute: Error occurred at or near line 102 in
file ./map_cld_top_temps_hgts_12_18utc.ncl


fatal:["Execute.c":8637]:Execute: Error occurred at or near line 417 in
file ./map_cld_top_temps_hgts_12_18utc.ncl

On Thu, Nov 8, 2018 at 5:19 PM Mary Haley <haley at ucar.edu> wrote:

> Barry,
>
> In order to set a particular line thickness to a different thickness than
> the other levels, you need to use an array of line thicknesses via
> cnLineThicknesses, where each value corresponds to a contour level.
>
> See example coneff_18.ncl at:
>
> http://www.ncl.ucar.edu/Applications/coneff.shtml
>
> It has a procedure called "set_contour_line_thickness" that allows you to
> specify which level to increase the thickness for.
>
> Hope this is what you need.
>
> --Mary
>
>
>
>
> On Thu, Nov 8, 2018 at 5:32 AM, Barry Lynn <barry.h.lynn at gmail.com> wrote:
>
>> Hi:
>>
>> I am reading through this page, and I can't find a resource to change a
>> nonzero line's thickness. For example, I want to change the thickness of
>> the 5400 m contour line, but not others.
>>
>>
>> https://www.ncl.ucar.edu/Document/Graphics/Resources/gsn.shtml#gsnContourZeroLineThicknessF
>>
>> Thank you.
>>
>> --
>> Barry H. Lynn, Ph.D
>> Senior Associate Scientist, 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
>>
>>
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>>
>

-- 
Barry H. Lynn, Ph.D
Senior Associate Scientist, 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
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