Re: ContourPlotDraw error

Dear Ncl'ers,

I found my error. My calculations generated NaN, which could not be converted into plottable values by the graphics engine. Eliminating NaN solved the problem. Thanks for looking into this. With regards,

Kemal.

From: Gurer, Kemal@ARB
Sent: Tuesday, January 24, 2012 5:13 PM
To: ncl-talk@ucar.edu
Subject: ContourPlotDraw error

Dear Ncl'ers,

The attached gzipped tar file has two ncl scripts, the data file that they read, the output graphics that each generates, and the error/non-error output from each script. For a quick look, both scripts are also attached to this e-mail, in addition to their presence in the tar file.

Each script simply reads a data set that has (time:24,lat:297,lon:327) dimensions, data ranges between (-1,1), and the script generates four plots on each frame for a total of 6 frames. The first one with temperature related data works just fine, but not the one with the relative humidity related data. The error is:

fatal:ContourPlotDraw: CPCLAM/AREDAM - UNABLE TO INSERT NODE INTO MAP
fatal:ContourPlotDraw: draw error
warning:WorkstationDeactivate: workstation not active or not opened

The two scripts are almost identical except the lines to read data file and generate titles. Thus, it looks like the relative humidity related data has some property associated with it that script doesn't like it. I looked for some strange characters in the relative humidity related data file assuming that those characters may be causing the error, but couldn't see any strange characters.

Your help is appreciated. The scripts, data files, and first frame of the respective output .ps files as .gif files are attached to this email. Thanks.

Kemal.

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Received on Thu Jan 26 01:22:51 2012