<div dir="ltr"><div>By using the arrow glyph filter on the lines/tubes, the arrows are often slightly dislocated (and thus slightly misaligned) from the tubes themselves (see the attached image).<br></div><div><br></div><div>In comparison, I am trying to get images like <a href="http://www.tecplot.com/wp-content/uploads/2016/01/fstream.jpg">http://www.tecplot.com/wp-content/uploads/2016/01/fstream.jpg</a> or <a href="https://i.stack.imgur.com/z8nkm.png">https://i.stack.imgur.com/z8nkm.png</a></div><div><br></div><div>Logically, the arrows could have been an attribute of the streamlines/stream tubes?</div></div>