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
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)
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