<div dir="ltr"><div dir="ltr">Dear NCL help,<div><br></div><div>I am trying to make a scatterplot with the colours of the markers indicating a third variable whose magnitude I would like to indicate using a colour bar.  </div><div><br></div><div>So for example:</div><div>a = (/1,2,3,4,5/)</div><div>b=(/5,6,7,8,9/)</div><div>c = (/4,5,6,7,8/)</div><div><br></div><div>I would like to make an xyplot of a vs. b, and then indicate on each coordinate the magnitude c.  So for example, the first point on the scatterplot would. be (1,5) and then it would have a colour indicating that it has the magnitude 4.  </div><div><br></div><div>I tried following the following two examples, however with no success:</div><div><br></div><div><a href="https://www.ncl.ucar.edu/Applications/Scripts/scatter_8.ncl" target="_blank">https://www.ncl.ucar.edu/Applications/Scripts/scatter_8.ncl</a><br></div><div><br></div><div> <a href="https://www.dkrz.de/up/de-services/de-analysis/de-vis/vis-sw/de-ncl/de-examples/de-source_code/de-dkrz-ncl-example-scatter-plot-with-two-attached-histograms" target="_blank">https://www.dkrz.de/up/de-services/de-analysis/de-vis/vis-sw/de-ncl/de-examples/de-source_code/de-dkrz-ncl-example-scatter-plot-with-two-attached-histograms</a></div><div><br></div><div>Code for such what I'm trying to do would be highly appreciated.</div><div><br></div><div>Thanks</div><div>FZ</div></div></div>