<div dir="ltr"><div>Right, I have my north vector, which I *think* is why my z-axis (Image y) looks correct. Unfortunately I can't specify an east_vector. I will keep playing and if I come up with something clever I will let ppl know. <br><br></div><div>Thanks for thinking about this with me!<br><br></div><div>Stephanie<br></div><div><br><br></div><div><br><br></div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div><div><font face="garamond,serif">--<br>Dr. Stephanie Tonnesen<br></font></div><font face="garamond,serif">Alvin E. Nashman Postdoctoral Fellow<br></font></div><font face="garamond,serif">Carnegie Observatories, Pasadena, CA<br></font></div><font face="garamond,serif"><a href="mailto:stonnes@gmail.com" target="_blank">stonnes@gmail.com</a><br></font></div></div></div>
<br><div class="gmail_quote">On Fri, Jun 3, 2016 at 2:10 PM, Nathan Goldbaum <span dir="ltr"><<a href="mailto:nathan12343@gmail.com" target="_blank">nathan12343@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote"><span class="">On Fri, Jun 3, 2016 at 4:08 PM, Stephanie Tonnesen <span dir="ltr"><<a href="mailto:stonnes@gmail.com" target="_blank">stonnes@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Hi Nathan,<br><br><br></div><div>So I tried two of your ideas, and don't get the last one. <br><span><br><span><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><div><div><div>ds.coordinates.x_axis[1] = 0<br> ds.coordinates.x_axis['y'] = 0<br> ds.coordinates.y_axis[1] = 2<br> ds.coordinates.y_axis['y'] = 2<br></div></div></div></div></div></blockquote><div><br></div></span><div>Is the orientation correct (albeit with z along the horizontal axis and x along the vertical axis) if you don't do this ^ ?<br><br></div></span><div>If I don't do that but still have the same L and north_vector, I get the same results. <br><br></div><div>If I change L = [0,1,0] and north_vector=[0,0,1], I get the same results as well.<br><br></div><div>Ugh! <br><br></div><div>I am not sure what "x" and "z" fields you think I should be making OffAxisProjection s for? Do you mean have L = [1,0,0] and [0,0,1], or have it project an "x" and "z" field onto my off-axis projection?<br></div></div></div></blockquote><div><br></div></span><div>'x' and 'z' don't really have a meaning for OffAxisProjectionPlot, that's why they're dispalyed as "image x" and "image y". However, if you specify a north_vector, that should disambiguate things.</div><div><br></div><div>It's entirely possible there's a bug here.</div><div><div class="h5"><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><br></div><div>Thanks,<br><br></div><div>Stephanie<br></div><div><br><br></div><br></div></div><div class="gmail_extra"><span><br clear="all"><div><div data-smartmail="gmail_signature"><div dir="ltr"><div><div><div><font face="garamond,serif">--<br>Dr. Stephanie Tonnesen<br></font></div><font face="garamond,serif">Alvin E. Nashman Postdoctoral Fellow<br></font></div><font face="garamond,serif">Carnegie Observatories, Pasadena, CA<br></font></div><font face="garamond,serif"><a href="mailto:stonnes@gmail.com" target="_blank">stonnes@gmail.com</a><br></font></div></div></div>
<br></span><div><div><div class="gmail_quote">On Thu, Jun 2, 2016 at 5:14 PM, Nathan Goldbaum <span dir="ltr"><<a href="mailto:nathan12343@gmail.com" target="_blank">nathan12343@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote"><span>On Thu, Jun 2, 2016 at 6:45 PM, Stephanie Tonnesen <span dir="ltr"><<a href="mailto:stonnes@gmail.com" target="_blank">stonnes@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div><div><div>Hi all, <br><br></div>The quick summary of what I want to do is switch the coordinates of the x-axis on a OffAxisProjection plot. Basically, what I am trying to do is get a LOS look at a galaxy , so I need a 20 degree tilt in the y-z plane. For some reason this is swapping the x-axis direction from my plain old y slice. The relevant parts of my code look like this:<br><br>ds.coordinates.x_axis[1] = 0<br> ds.coordinates.x_axis['y'] = 0<br> ds.coordinates.y_axis[1] = 2<br> ds.coordinates.y_axis['y'] = 2<br></div></div></div></div></div></blockquote><div><br></div></span><div>Is the orientation correct (albeit with z along the horizontal axis and x along the vertical axis) if you don't do this ^ ?</div><div><br></div><div>What happens if you make an off-axis projection aligned with the y axis, i.e. L = [0, 1, 0], north_vector = [0, 0, 1]?</div><div><br></div><div>Can you try making an off-axis projection of the 'x' and 'z' fields?</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr"><div><div><div><div> <br> plot6=yt.SlicePlot(ds,"y","density")<br> plot6.save()<br><br> plot8=yt.SlicePlot(ds,"y","velocity_z")<br> plot8.save()<br><br> plot9 = yt.SlicePlot(ds,"y","velocity_y")<br> plot9.save()<br><br> plot10 = yt.SlicePlot(ds,"y","velocity_x")<br> plot10.save()<br><br> ds.periodicity=(True,True,True)<br><br> L = [0.0,0.93969,-0.342]<br> #W = [0.5,0.5,0.5]<br> #c = [0.5,0.5,0.5] <br> #N = 1028<br> north_vector = [0,0.342,0.93969]<br> plot12 = yt.OffAxisProjectionPlot(ds,L,'density',width=(100,'kpc'),north_vector=north_vector)<br> plot12.save()<br><br> plot13 = yt.OffAxisProjectionPlot(ds,L,'velocity_x',width=(100,'kpc'),north_vector=north_vector)<br> plot13.save()<br> plot14 = yt.OffAxisProjectionPlot(ds,L,'velocity_y',width=(100,'kpc'),north_vector=north_vector)<br> plot14.save()<br> plot15 = yt.OffAxisProjectionPlot(ds,L,'velocity_z',width=(100,'kpc'),north_vector=north_vector)<br> plot15.save()<br><br></div>I have attached four files: the slices of velocity_y and velocity_x and the OffAxisProjections of the same. You can see that the x-axis seems to be flipped. You will also notice that the OffAxisProjection is more zoomed than the Slice, but don't let this distract you :) <br><br></div>I have no idea what has gone wrong here. Any help, as always, is really appreciated.<br><br></div>Thanks,<br></div>Stephanie<br clear="all"><div><div><div><div><div><div><div><div data-smartmail="gmail_signature"><div dir="ltr"><div><div><div><font face="garamond,serif">--<br>Dr. Stephanie Tonnesen<br></font></div><font face="garamond,serif">Alvin E. Nashman Postdoctoral Fellow<br></font></div><font face="garamond,serif">Carnegie Observatories, Pasadena, CA<br></font></div><font face="garamond,serif"><a href="mailto:stonnes@gmail.com" target="_blank">stonnes@gmail.com</a><br></font></div></div></div>
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