[ncl-talk] legend

Rick Brownrigg brownrig at ucar.edu
Sat Mar 17 07:46:12 MDT 2018


Hi,

I now understand what you are saying. I'm not expert at this, but I wonder
if pmLegendWidthF is the resource you need (http://ncl.ucar.edu/Document/
Graphics/Resources/pm.shtml). There are several examples that explicitly
set this at:

    http://ncl.ucar.edu/Applications/legend.shtml

If that does not help, please reply back to ncl-talk, as perhaps others
with more experience can offer advise.

Rick

On Fri, Mar 16, 2018 at 10:06 PM, Vattioni Sandro <
sandro.vattioni at outlook.com> wrote:

> Hi Rick
>
> Thanks for your fast answer.
> Attached I’m sending you a screen-shot.
> I just want to decrease the length of the dash paterns in the legend. It
> looks kind of silly when they are so long. I tried to draw the desired
> outcome 😃
>
> Thank you very much for your help.
>
> Sandro
>
> *Von:* Rick Brownrigg <brownrig at ucar.edu>
> *Gesendet:* ‎Freitag‎, ‎16‎. ‎März‎ ‎2018 ‎23‎:‎34
> *An:* Vattioni Sandro <sandro.vattioni at outlook.com>
> *Cc:* ncl-talk at ucar.edu
>
> Hi Sandro,
>
> Can you post a picture of what you talking about? I am having trouble
> visualizing what the issue is... :-/
>
> Rick
>
> On Fri, Mar 16, 2018 at 9:15 PM, Vattioni Sandro <
> sandro.vattioni at outlook.com> wrote:
>
>> Dear Madam or Sir
>>
>> I wnat to draw a legend for my xy-plot in ncl, but the dash patern of the
>> line is very long compared to the text. I tried to make the dash pattern
>> shorter with lgLineDashSegLenF but it did not work. How can I controll the
>> length of the dash pattern using the legendClass?
>>
>> Kind regards,
>> Sandro
>>
>> legend = create "Legend" legendClass wks
>>    "lgTitleString"            : "Left Hand Side Column:
>> 10~F34~0~F~N-10~F34~0~F~S emission"
>>    "vpXF"                     : 0.2                  ; orientation on page
>>    "vpYF"                     : 0.15  ;0.48
>>    "vpWidthF"                 : 0.1 ;0.3                     ; width
>>    "vpHeightF"                : 0.12                    ; height
>>    "lgAutoManage"             : True
>>    "lgPerimOn"                : False                   ; no perimeter
>>    "lgItemCount"              : 5                      ; how many
>>    "lgItemType"               : "Lines"
>>    "lgLabelStrings"           : (/"Reference run","Continuous aerosol
>> emission","Continuous
>>    "lgLabelsOn"               : True                    ; no default
>> lables
>>    "lgLabelOffsetF"           : 0.0
>>    "lgLineLabelFontHeightF"   : 2.0
>>    "lgLineDashSegLenF"        : 0.01
>>    "lgDashIndexes"            : (/0,0,0,0,0/)   ;4
>>    "lgLineColors"             : (/"black","blue","red","darkvi
>> olet","orange"/)
>>
>>  end create
>>
>>  draw(legend)
>>
>>
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