Andrew,<br>I had posted a request on this forum about this exact question in August. I believe it was Charles Seaman who provided the answer. The meat of the code is <br><br>'d maxloc(max('ans',x='x1',x='x2'),y='y1',y='y2')'<br>
yline = sublin(result,2)<br> ymax = subwrd(yline,4)<br>'d maxloc(max('ans',y='y1',y='y2'),x='x1',x='x2')'<br> xline = sublin(result,2)<br> xmax = subwrd(xline,4)<br><br><br>
where "ans" refers to the field for which you want to find the max/min, and x1, x2 refer to x-grid values or longitude points and y1, y2 refer to y-grid values or latitude points. xmax, ymax are the coordinates of the maximum value. To find the minimum, just replace maxloc and max with minloc and min.<br>
<br>Jeff Duda<br><br><div class="gmail_quote">On Fri, Oct 22, 2010 at 7:43 PM, Andrew Revering <span dir="ltr"><<a href="mailto:andy@f5data.com">andy@f5data.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
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<p class="MsoNormal">I'd like to have the coordinates of our 'max value'… I
know about maxloc(), and tried various examples I found in forums,
documentation and email conversations, but I can't seem to get it to perform as
I expect.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">When it supposedly works, I just see some white lines on the
bottom and right of my image (not where the max value is)… is there a way
to actually get lat/lon coordinates of the max value?</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">I should note that in my situation there will be the
teeniest dot of plotted value, the rest of the grid is blank. I don't know if
that matters in these functions.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Andrew Revering</p>
<p class="MsoNormal">Convective Development, Inc.</p>
<p class="MsoNormal"><a href="http://www.convectivedevelopment.com/" target="_blank">http://www.convectivedevelopment.com/</a></p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"> </p>
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<br></blockquote></div><br><br clear="all"><br>-- <br>Jeff Duda<br>Iowa State University<br>Meteorology Graduate Student<br>3134 Agronomy Hall<br><a href="http://www.meteor.iastate.edu/~jdduda">www.meteor.iastate.edu/~jdduda</a><br>