[ncl-talk] Multiple Issues

[Jinwoong Yoo]

Sorry, the previous mail was sent accidentally.

Let me continue from the previous.


For the first warning message,

I set "res at gsnAddCyclic         = False" but I'm getting it still.


For the second message, I checked "Non-monotonic coordinate variables" as noted in "Common Graphical Error Messages" at "https://www.ncl.ucar.edu/Document/Graphics/error_msg.shtml".

And I checked the deltas between the longitude coordinate array.

Indeed, they were not constant but with very small differences as below.

(99) 0.3952942
(100) 0.3952942
(101) 0.3952942
(102) 0.3952942
(103) 0.3952942
(104) 0.3953094
(105) 0.3952789
(106) 0.3953094
(107) 0.3952942
(108) 0.3952942
(109) 0.3952942
(110) 0.3952942
(111) 0.3952942
(112) 0.3952942
(113) 0.3952942
(114) 0.3952942
(115) 0.3952942


Please note that most of them are constant with 0.3952942 but a few are different.

But they are very close. So I wonder if these small differences are causing the error in real?

If they are, how can I fix it?

Should I try to adjust trXTensionF? Then, how?


Finally, I wonder if these issues above is causing the error with my contour plot in the image attached.


Thank you very much for your help.


Regards,


Jinwoong Yoo



________________________________
From: ncl-talk-bounces at ucar.edu <ncl-talk-bounces at ucar.edu> on behalf of Jinwoong Yoo <jinwoongyoo at unm.edu>
Sent: Thursday, November 19, 2015 1:15 PM
To: ncl-talk at ucar.edu
Subject: [ncl-talk] Multiple Issues


Dear NCL users,


I am trying to plot an image following an example at https://www.ncl.ucar.edu/Applications/Images/climo_1_lg.png.<https://www.ncl.ucar.edu/Applications/Images/climo_1_lg.png>

[https://www.ncl.ucar.edu/Applications/Images/climo_1_lg.png]


but I'm getting a few warnings and my result plot is not pretty enough (attached).


Warning messages are as below:

(0) gsn_add_cyclic: Warning: The range of your longitude data is not 360.
(0) You may want to set the gsnAddCyclic resource to False to avoid a
(0) warning message from the spline function.
warning:_NhlCreateSplineCoordApprox: Attempt to create spline approximation for X axis failed: consider adjusting trXTensionF value
warning:IrTransInitialize: error creating spline approximation for trXCoordPoints; defaulting to linear



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