[yt-users] get_multi_plot error

[Christine Simpson]

Thanks Matt.  It works now.

On Thu, 2010-10-21 at 12:57 -0700, Matthew Turk wrote:
> Hi Christine,
> 
> Thanks for reporting thing.  I've fixed it in the current changeset in
> the hg repo.
> 
> As some background, what's going on here is that previously, yt
> abstracted *All* of the choice of backend.  Unfortunately, as with all
> abstractions, this never completely covered all the bases.  This is
> where "be.engineVals" came from -- the idea was that you should be
> able to swap out different FigureCanvas objects, for instance to use a
> GUI and whatnot.  This wasn't ever really appropriate for the multi
> plot, and since the backend is now only matplotlib with some limited
> direct image writing, I've gone ahead and changed it.  It now grabs
> FigureCanvasAgg, which is how the rest of the plots behave, as well.
> 
> Let us know if you have any more problems,
> 
> Matt
> 
> On Thu, Oct 21, 2010 at 11:28 AM, Christine Simpson
> <csimpson at astro.columbia.edu> wrote:
> > Hi all,
> >
> > I'm trying to make a multi plot and I'm getting an error that I'm not
> > sure how to fix.  I'd appreciate any help you could give.  I've pasted
> > the error and script below.  I'm not sure I understand what the issue is
> > that it is complaining about.  What is engineVals?  I used this script
> > with the old version of yt, although I made a few changes to get it to
> > work with the new repository.
> >
> > Here is the error:
> >
> > yt         INFO       2010-10-21 13:06:28,094 Getting the binary
> > hierarchy
> > yt         INFO       2010-10-21 13:06:28,488 Finished with binary
> > hierarchy reading
> > yt         INFO       2010-10-21 13:07:07,696 Max Value is 1.42629e-28
> > at 0.5039215087890625 0.5306854248046875 0.5584259033203125 in grid
> > EnzoGrid_2576 at level 8 (16, 15, 6)
> > yt         INFO       2010-10-21 13:07:07,698 Created plot collection
> > with default plot-center = [0.5039215087890625, 0.5306854248046875,
> > 0.5584259033203125]
> > Traceback (most recent call last):
> >  File "multi_plot_25kpc.py", line 14, in <module>
> >    fig, axes, colorbars = get_multi_plot( 2, 1, colorbar=orient, bw =
> > 4)
> >  File
> > "/share/home/01112/tg803911/yt_new/yt/yt/visualization/plot_collection.py", line 1672, in get_multi_plot
> >    fig.set_canvas(be.engineVals["canvas"](fig))
> > NameError: global name 'be' is not defined
> >
> >
> > Here is the script that produced it:
> >
> > from yt.mods import *
> > from yt.visualization.api import PlotCollection
> >
> > import matplotlib.colorbar as cb
> >
> > fn = "DD0060/output_0060"
> > orient = 'horizontal'
> >
> > pf = load(fn)
> >
> > pc = PlotCollection(pf)
> > fig, axes, colorbars = get_multi_plot( 2, 1, colorbar=orient, bw = 4)
> >
> >
> > #Density
> > p = pc.add_projection("Density",0,figure = fig, axes = axes[0][0],
> > use_colorbar=False)
> > p.set_cmap("bds_highcontrast")
> > p.set_zlim(8*10**(-6),10**(-3))
> >
> >
> > #Temperature
> > p = pc.add_projection("Temperature", 0,
> > weight_field="Density",figure=fig, axes=axes[0][1], use_colorbar=False)
> > p.set_cmap("hot")
> > p.set_zlim(500,20000)
> >
> > pc.set_width(25.0, 'kpc')
> >
> > for p, cax in zip(pc.plots, colorbars):
> >    cbar = cb.Colorbar(cax, p.image, orientation=orient)
> >    p.colorbar = cbar
> >    p._autoset_label()
> >
> > fig.savefig("%s_z_25kpc" % pf)
> >
> >
> >
> > _______________________________________________
> > yt-users mailing list
> > yt-users at lists.spacepope.org
> > http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
> >
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