<div dir="ltr"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div>Hi all,</div><div><br></div><div>I'm trying to plot a bar chart over a specific grid box in the attached figure.</div><div>For example,</div><div><br></div><div>I want to plot a bar chart between lat 15N to 17.5N and lon 117.5E to 120E using the grid value within this box from t 1 to last.</div><div>I converted these coordinates to grid coordinates using 'q w2xy'. </div><div>So that I can use the 'set parea xmin xmax ymin ymax' command.</div><div><br></div><div>The base plot is the attached figure (set gxout grid). </div><div><br></div><div>My problem is that, the base plot disappears when I'm plotting the bar chart.</div><div><br></div><div>Is there a way to tell GrADS not to reinitialize the plot (overlay)? </div><div><br></div><div>I'll appreciate any help,</div><div><br></div><div>Many thanks,</div><div><br></div><div>Lyndon</div></div></div></div></div></div></div></div>
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