<div dir="ltr"><br>Hi everyone, I want to modify a colorbar, only to show the higher and lower values, and also I don&#39;t want to see one box per color. I would like to see something continuous like this: <br><br><a href="http://www.ncl.ucar.edu/Document/Graphics/ColorTables/Images/BlueRed_ce.png">http://www.ncl.ucar.edu/Document/Graphics/ColorTables/Images/BlueRed_ce.png</a><br><br>Somebody knows the resources I need to set up to be able to do this?<br><br>These are the resources I&#39;m using for the temperature contour:<br><br><br><div> ;Temperature Options</div><div> Tres@cnFillOn = True</div><div> Tres@cnInfoLabelOn =  False</div><div> Tres@cnLineLabelsOn = False</div><div> Tres@cnLinesOn = False</div><div> Tres@cnLevelSelectionMode = &quot;ExplicitLevels&quot;</div><div> Tres@cnLevels=ispan(-500,500,50)*10^(-2)</div><div> Tres@cnLineThicknessF = 4.0</div><div> Tres@cnLineColor = &quot;red&quot;</div><div> Tres@cnLineLabelPlacementMode = &quot;constant&quot;</div><div> Tres@cnLineLabelFontColor = &quot;red&quot;                                 </div><div> Tres@cnFillOpacityF     = 1.0</div><div> Tres@cnLabelDrawOrder = &quot;PostDraw&quot;</div><div> Tres@cnLineDrawOrder = &quot;PostDraw&quot;</div><div> Tres@cnFillPalette= &quot;BlueRed&quot;</div><div> Tres@lbOrientation = &quot;vertical&quot;</div><div> Tres@lbLabelFontHeightF = &quot;0.02&quot;</div><div> Tres@cnMonoFillPattern =True</div><div><br></div>Any help would be really appreciated,<br>Thank you very much,<br>Sebastián.</div>