<div dir="ltr"><div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">​Hi Michael, John, Nathan,​</div><br></div><div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">​My strealines script can be see here:​</div></div><div><br></div><a href="http://paste.yt-project.org/show/5767/">http://paste.yt-project.org/show/5767/</a><div><br></div><div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">​Modifying the periodicity manually via</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">ds.periodicity = (True, True, True)</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">causes the script to appear to execute for a very long time. I have never seen it run to completion, even for a single streamline. Perhaps I am just impatient.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">If I do not directly modify the periodicity, the output I have pasted here:</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><a href="http://paste.yt-project.org/show/5768/">http://paste.yt-project.org/show/5768/</a></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Any help is appreciated.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Best,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Mikhail​</div><br><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div></div></div>