<div dir="ltr">Hi <span style="font-size:12.8px">Srishti:</span><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">I assume that grid-points outside the satellite tracks are set to some missing values. In that case, can you use the "num" function in conjunction with the ismissing function for the entire month?</span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">Just an idea,</span></div><div><span style="font-size:12.8px">Laura</span></div><div><span style="font-size:12.8px"><br></span></div></div><br><div class="gmail_quote"><div dir="ltr">On Thu, Oct 25, 2018 at 11:05 AM Srishti Dasarathy <<a href="mailto:srdasara@ucsd.edu">srdasara@ucsd.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div dir="ltr"><div style="font-size:12.800000190734863px">Dear NCL-talk community, </div><div style="font-size:12.800000190734863px"><br></div><div style="font-size:12.800000190734863px">I was hoping you could give me some guidance. I've written some code that allows me to plot satellite tracks over an entire month (or any time frame specified) across my region of interest. I've attached my code and an example figure to this email. However, I'm also trying to count the number of satellite tracks in this image since the satellite continually follows this route and overlaps prior tracks. Simply put, I'd like to know how many times the satellite overlaps this region in the month of January. I understand that it should be possible to do this, and I've done some reading into different commands, including ListCount, dim_num, and bin_sum, but am unsure of what to use and how to proceed forward. Could you give me some advice here? </div><div style="font-size:12.800000190734863px"><br></div><div style="font-size:12.800000190734863px">Best wishes,</div><div style="font-size:12.800000190734863px">Srishti Dasarathy</div>-- <br><div class="m_3428133647115276172gmail_signature"><div dir="ltr">Srishti Dasarathy<div>Graduate Student</div><div>Scripps Institution of Oceanography</div></div></div>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><font face="arial, helvetica, sans-serif" color="#0000ff" style="background-color:rgb(255,255,255)">!-------------------------------------------------------------------------------------------------------------</font><div><font face="arial, helvetica, sans-serif" color="#0000ff" style="background-color:rgb(255,255,255)">Laura D. Fowler </font></div><div><font face="arial, helvetica, sans-serif" color="#0000ff" style="background-color:rgb(255,255,255)">Mesoscale and Microscale Meteorology Division (MMM) </font></div><div><font face="arial, helvetica, sans-serif" color="#0000ff" style="background-color:rgb(255,255,255)">National Center for Atmospheric Research<br></font></div><div><font face="arial, helvetica, sans-serif" color="#0000ff" style="background-color:rgb(255,255,255)">P.O. Box 3000, Boulder CO 80307-3000</font></div><div><font face="arial, helvetica, sans-serif" color="#0000ff" style="background-color:rgb(255,255,255)"><br></font></div><div><font face="arial, helvetica, sans-serif" color="#0000ff" style="background-color:rgb(255,255,255)">e-mail: <a href="mailto:laura@ucar.edu" target="_blank">laura@ucar.edu</a></font></div><div><font face="arial, helvetica, sans-serif" color="#0000ff" style="background-color:rgb(255,255,255)">phone: 303-497-1628</font></div><div><font face="arial, helvetica, sans-serif" color="#0000ff" style="background-color:rgb(255,255,255)"><br></font></div><div><font face="arial, helvetica, sans-serif" color="#0000ff" style="background-color:rgb(255,255,255)">!-------------------------------------------------------------------------------------------------------------</font><br></div></div></div>