[ncl-talk] No labels shown on the contour plot overlayed

[息涛]

Hi,all.


I was running the ncl script attached to plot temperature contour overlayed by pressure contour and wind barbs in several pressure levels using data from wrf model output.The picture is also attached.
In the picture, the pressure contour doesn't have labels, I have turn on cnLineLabelsOn attributes of the resources. 
how can I change the code so the pressure contour show the labels? 
Thank you!

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