Hi Nicholas, You might give a go at using the orthogonal ray object. This accepts an axis along which it is shot and a coordinate in the other two axes at which it's placed before being shot. The interface would be something like: pf = load(...) # y-axis is 1 ... ray = pf.h.ortho_ray(1, (0.5, 0.5)) The "ray" object can then access data fields, like Density and Temperature, which can also be plotted: import pylab pylab.plot(ray["y"], ray["Density"]) pylab.savefig("%s_y_rho.png" % pf) The tuple above, (0.5, 0.5), is specifying the coordinates along the other two axes. The mechanism for coordinating these with "x" "y" and "z" is a bit backwards -- you can see which axis corresponds to which by looking at lagos.x_dict and lagos.y_dict: lagos.x_dict[1] says which axis corresponds to the first value above and lagos.y_dict[1] says which is the second value, so you can be sure what the x and z coordinates are. If that doesn't work, or you have any more trouble, let us know! -Matt On Sun, Mar 28, 2010 at 7:28 PM, Nicholas Earl <earlnich@msu.edu> wrote:

Hey YT community,

I was wondering if anyone had any sort of starting notion for a problem that I face. I've done slices of a wave progressing in the x-y plane (the wave front moves in the x-direction, from x = 0), what I want to do is take the data from one specific x-value (i.e. a strip running the bounds of y at some position x). I wanted to be able to plot the data -- for instance, density -- (ideally, for my situation, it should be some sort of sinusoidal plot) with density as the y axis and y position as the x-axis.

Is there anyway I could form this using YT?

Thanks for all your time and effort! Nicholas Earl

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