<div dir="ltr">I'm looking over the cookbook recipes and stumbled across this one:<div><br></div><div><a href="http://yt-project.org/docs/dev-3.0/cookbook/calculating_information.html#radial-velocity-profile">http://yt-project.org/docs/dev-3.0/cookbook/calculating_information.html#radial-velocity-profile</a></div>
<div><br></div><div>in the plot, I cannot distinguish between the two lines -- should there have been a difference?  Is the data dramatic? or is this recipe not doing what it suggests it should do?<br clear="all"><div><br>
</div>-- <br><div>Michael Zingale</div><div>Associate Professor</div><div><br></div><div>Dept. of Physics & Astronomy • Stony Brook University • Stony Brook, NY 11794-3800</div><div><i>phone</i>:  631-632-8225</div><div>
<i>e-mail</i>: <a href="mailto:Michael.Zingale@stonybrook.edu" target="_blank">Michael.Zingale@stonybrook.edu</a></div><div><i>web</i>: <a href="http://www.astro.sunysb.edu/mzingale" target="_blank">http://www.astro.sunysb.edu/mzingale</a></div>

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