[ncl-talk] contour labels

[Adam Phillips]

Hi Marston,
Take a look at examples #3, 5, 6 and 7 on the contour labels examples page
here:
http://www.ncl.ucar.edu/Applications/contourLab.shtml
I've had success with the strategies shown in both #3 and #5.
Hope that helps!
Adam

On Wed, Apr 4, 2018 at 9:42 AM, Marston Ward <marston.johnston at gu.se> wrote:

> Hi,
>
> I’m trying to get the contour labels to show up on each contour as well as
> control the size of the labels so that the labels do not cross many
> contours.
> But I’m not getting this to work with the following resource setup:
>
>  wksd  := gsn_open_wks ("png",oname)
>
>       info_string = "IWP: 0 to .4 by .1"
>       cnres                           = True
>       cnres at gsnDraw                   = False
>       cnres at gsnFrame                  = False
>       cnres at cnLinesOn                 = True
>       cnres at cnLineColor               = "DarkOrchid4"
>       cnres at cnFillOn                  = False
>       cnres at cnLineLabelsOn            = True
>       cnres at cnLineThicknessF          = 2.0
>       cnres at cnLineLabelBackgroundColor= -1    ; transparent
>       cnres at cnInfoLabelOrthogonalPosF = -0.25    ; Move into plot
>       ;cnres at cnLineLabelInterval       = 1
>       ;cnres at cnLineLabelFontHeightF    = 0.0001
>       cnres at cnInfoLabelString         = info_string
>       cnres at cnInfoLabelFontColor      = "DarkOrchid4"
>       cnres at cnInfoLabelPerimOn        = False
>       cnres at tfDoNDCOverlay            = True  ; Line up four axes of both
> plots.
>       cnres at cnLevelSelectionMode = "ManualLevels"     ; set manual
> contour levels
>       cnres at cnMinLevelValF       = 0.              ; set min contour level
>       cnres at cnMaxLevelValF       = .4              ; set max contour level
>       cnres at cnLevelSpacingF      = .1             ; set contour spacing
>
>       cnres at tiYAxisString        = “"
>       cnres at tiXAxisString        = “"
>
> I’m using the above resource to create overlays on contour plots that will
> be a panel plot, for example:
>
> plotd(0) = gsn_csm_contour_map_overlay(wksd,p(0,:,:),iwp,resd,cnres)
>
> However, I cannot get the labels to change change to a smaller size or
> show up on ever contour, of which there are 5 possible, given the max, min,
> and spacing.
>
> Would love to get some help with this if anyone has an idea what part of
> the resource above is incorrect or missing additional information.
>
> Best,
> /Marston
> _______________________________________________
> ncl-talk mailing list
> ncl-talk at ucar.edu
> List instructions, subscriber options, unsubscribe:
> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>



-- 
Adam Phillips
Associate Scientist,  Climate and Global Dynamics Laboratory, NCAR
www.cgd.ucar.edu/staff/asphilli/   303-497-1726

<http://www.cgd.ucar.edu/staff/asphilli>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20180405/9c189ebe/attachment.html>