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After drawing a plot, you can check the contour levels used with ‘q shades’ or ‘q contours’. For line contours, the output looks like this (first column is color number, second column is contour value):
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<div><font face="Courier" style="font-size: 14px;">Number of levels = 11</font></div>
<div><font face="Courier" style="font-size: 14px;">9 50000</font></div>
<div><font face="Courier" style="font-size: 14px;">14 55000</font></div>
<div><font face="Courier" style="font-size: 14px;">4 60000</font></div>
<div><font face="Courier" style="font-size: 14px;">11 65000</font></div>
<div><font face="Courier" style="font-size: 14px;">13 70000</font></div>
<div><font face="Courier" style="font-size: 14px;">3 75000</font></div>
<div><font face="Courier" style="font-size: 14px;">10 80000</font></div>
<div><font face="Courier" style="font-size: 14px;">12 85000</font></div>
<div><font face="Courier" style="font-size: 14px;">8 90000</font></div>
<div><font face="Courier" style="font-size: 14px;">2 95000</font></div>
<div><font face="Courier" style="font-size: 14px;">6 100000</font></div>
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<div>If you want to write this to a file, here is a script fragment:</div>
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<div>‘q contours’</div>
<div>rc=write(“contourinfo.txt”,result)</div>
<div>rc=close(“contourinfo.txt”)</div>
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<div>—Jennifer</div>
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<div>On Sep 1, 2016, at 9:57 PM, Taixia <<a href="mailto:wutxcn@GMAIL.COM">wutxcn@GMAIL.COM</a>> wrote:</div>
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<div dir="ltr">Anybody knows how to output the contour value (such as set clevs 0) to .txt or .dat file (not graphic)? Thanks.</div>
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<div style="font-size: 12px; orphans: 2; widows: 2;">Jennifer Miletta Adams<br>
Center for Ocean-Land-Atmosphere Studies (COLA)<br>
George Mason University<br>
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