[ncl-talk] labeling color bar ends

[Mary Haley]

Hi Matt,

Since NCL has no way of knowing what the these top and bottom values are
(because they are open-ended), you will need to explicitly tell NCL to
label those external edges of the labelbar, and then provide the extra two
labels yourself.

See the third plot in example 14 at:

http://www.ncl.ucar.edu/Applications/labelbar.shtml#ex14

The two key resources you'll need to set are:

  res at lbLabelAlignment = "ExternalEdges"
  res at lbLabelStrings = ....    ; this has to be 2 more labels more than the
default.

-Mary


On Fri, Jul 29, 2016 at 1:20 PM, Matt Masarik <mattmasarik at boisestate.edu>
wrote:

> I have a question regarding labeling color bars.  I'm adding labels to the
> ends using the contour resource:
>
>         res at cnLabelBarEndStyle  =  "IncludeMinMaxLabels"
>
>
> This gives end labels that are the actual min/max of the field.   Is there
> a way get the min/max to be the next values associated with your contour
> stride?
>
> Ex,  for contour intervals,   10, 20, 30, 40,
>
> Current:        0.3,  10,  20,  30,  40,  49.7
> Desired:          0,   10,  20,  30,  40,  50
>
> I'm guessing this might be tricky since you don't have to pick evenly
> spaced contours..
>
> Thanks,
>
> Matt
>
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