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Hi Soma,<br>
<br>
the warning is telling you exactly what is wrong. Your latitude
values associated with your variable t is decreasing not increasing.
<br>
<br>
<div style="font-size: 12.8px;" dir="auto"><tt> level: [ 1..
60]</tt></div>
<div style="font-size: 12.8px;" dir="auto"><tt><b> latitude:
[40.. 0]</b></tt></div>
<div style="font-family:sans-serif;font-size:12.8px" dir="auto"><tt>
longitude: [65..100]</tt><br>
<br>
Reorder lat dimension of the variable <tt>t = t(:,::-1,:)</tt>
<br>
<br>
-Karin<br>
<br>
</div>
<div class="moz-cite-prefix">Am 20.06.18 um 09:28 schrieb Soma Roy:<br>
</div>
<blockquote type="cite"
cite="mid:CAAJRSQdtvt98J_hCXWJGGiiwi7doWPzKhAOT3fATiMns-oxEog@mail.gmail.com">
<div dir="auto">Hello
<div dir="auto"><br>
</div>
<div dir="auto">I am trying to plot transect of vertical
velocity using ERA-interim pressure level data.</div>
<div dir="auto">For this I am using the attached script below.</div>
<div dir="auto"><br>
</div>
<div dir="auto">I am getting this warnings:</div>
<div dir="auto"><br>
</div>
<div dir="auto">
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto">
<div>warning:linint2_points: xi and yi must be monotonically
increasing</div>
<div>warning:linint2_points: xi and yi must be monotonically
increasing</div>
<div>warning:linint2_points: xi and yi must be monotonically
increasing</div>
<div>warning:linint2_points: xi and yi must be monotonically
increasing</div>
<div>warning:linint2_points: xi and yi must be monotonically
increasing</div>
</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto"><br>
</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto">
<div>Variable: trans</div>
<div>Type: float</div>
<div>Total Size: 24000 bytes</div>
<div> 6000 values</div>
<div>Number of Dimensions: 2</div>
<div>Dimensions and sizes: [60] x [100]</div>
<div>Coordinates:</div>
<div>Number Of Attributes: 8</div>
<div> missing_value : -32767</div>
<div> missing_value_original : -32767</div>
<div> _FillValue_original : -32767</div>
<div> units : Pa s**-1</div>
<div> long_name : Vertical velocity</div>
<div> standard_name :
lagrangian_tendency_of_air_pressure</div>
<div> time : 969336</div>
<div> _FillValue : -32767</div>
<div>warning:ContourPlotInitialize: no valid values in
scalar field; ContourPlot not possible:[errno=1101]</div>
<div>warning:ContourPlotSetValues: cnLevelSpacingF value
exceeds or equals data range: defaulting</div>
</div>
</div>
<div dir="auto"><br>
</div>
<div dir="auto"><br>
</div>
<div dir="auto">PrintVarSummary of the input data is below;</div>
<div dir="auto"><br>
</div>
<div dir="auto">
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto">Variable: t</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto">Type: float</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto">Total Size: 5448240 bytes</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto"> 1362060 values</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto">Number of Dimensions: 3</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto">Dimensions and sizes: [level | 60] x [latitude
| 161] x [longitude | 141]</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto">Coordinates:</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto"> level: [ 1.. 60]</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto"> latitude: [40.. 0]</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto"> longitude: [65..100]</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto">Number Of Attributes: 8</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto"> time : 969336</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto"> standard_name :
lagrangian_tendency_of_air_pressure</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto"> long_name : Vertical velocity</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto"> units : Pa s**-1</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto"> _FillValue_original : -32767</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto"> _FillValue : -32767</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto"> missing_value_original : -32767</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto"> missing_value : -32767</div>
<div style="font-family:sans-serif;font-size:12.8px"
dir="auto"><br>
</div>
</div>
<div dir="auto">Kindly inform me how to resolve it.</div>
<div dir="auto"><br>
</div>
<div dir="auto">Thanks,</div>
<div dir="auto">Soma</div>
</div>
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</blockquote>
<br>
<pre class="moz-signature" cols="72">--
Dipl. Geophys. Karin Meier-Fleischer
Visualization, NCL, CDO
Application Support
Deutsches Klimarechenzentrum GmbH (DKRZ)
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