<div dir="ltr"><div><div>I think gsnPanel** resources won&#39;t work here because no panelling is done. Instead you can play around with the following resources:<br><strong><br></strong>res@vpWidthF = 0.45 ; or something similar<br></div>res@vpXF        = 0.1  ; or something similar<br><br></div>See the page:<br><a href="https://www.ncl.ucar.edu/Document/Graphics/Resources/vp.shtml">https://www.ncl.ucar.edu/Document/Graphics/Resources/vp.shtml</a><br><strong><br><br></strong></div>