<div dir="ltr"><div>Hello Everyone,<br><br></div><div>I am trying to  plot a Line with Arrow head symbols (Like streamlines) to denote the movement of particles with latitude and longitude details. I checked the <br><span style="color:rgb(0,0,255)"><a href="https://www.ncl.ucar.edu/Document/Graphics/Images/dashpatterns.png">https://www.ncl.ucar.edu/Document/Graphics/Images/dashpatterns.png</a></span><br></div><div>which only have lines with different kind of dashes.<br></div><div>I also tried creating new patterns with the following<br><br><span style="color:rgb(0,0,255)"><a href="https://www.ncl.ucar.edu/Document/Functions/Built-in/NhlNewDashPattern.shtml">https://www.ncl.ucar.edu/Document/Functions/Built-in/NhlNewDashPattern.shtml</a><br></span><br><span style="color:rgb(0,0,0)">which also gives the same options with dash patterns only. </span><span style="color:rgb(0,0,0)"><span style="color:rgb(0,0,0)"><br></span></span></div><div><span style="color:rgb(0,0,0)">I tried plotting separate &quot;Arrow Markers&quot; over the lines but they don&#39;t show the exact curvatures in the flow.<br></span></div><div><span style="color:rgb(0,0,0)"><span style="color:rgb(0,0,0)"><br></span></span><div><span style="color:rgb(0,0,0)">Thanks in advance for </span><span style="color:rgb(0,0,0)">any suggestion or solution.</span></div></div></div>