[yt-users] PlotCollection

[Nathan Goldbaum]

Just took another look, I was able to get this to work with the following
script:

import yt
import yt.visualization.eps_writer as eps

ds = yt.load('IsolatedGalaxy/galaxy0030/galaxy0030')

slc_list = []

for dir in 'xyz':
    slc_list.append(yt.SlicePlot(ds, dir, 'density'))

ret = eps.multiplot(ncol=1, nrow=3, yt_plots=slc_list, bare_axes=True)

ret.save_fig()

On Wed, Jan 13, 2016 at 2:52 PM, Nathan Goldbaum <nathan12343 at gmail.com>
wrote:

>
>
> On Wed, Jan 13, 2016 at 2:13 PM, Junhwan Choi (최준환) <
> choi.junhwan at gmail.com> wrote:
>
>> Hi Nathan,
>>
>> Thank you for your advice.
>> I try to replace PlotCollection to SlicePlot and I got error.
>> I find that I have to pass the normal vector and field name when I
>> call the SlicePlot/ProjectionPlot from the beginning unlike the
>> PlotCollection..
>> It looks like that it limit the SlicePlot get only one perspective at
>> once in the multi plot.
>> [Am I correct?]
>> However, as you see my script, I would like to show three different
>> perspective at once and it was done by add_slice to PlotCollection
>> previously.
>> In addition, if this is the case, I cannot make multi plot mixed with
>> slice and projection.
>> It looks like that replacing  the PlotCollection  simply SlicePlot and
>> ProjectionPlot limit the potability of yt…..
>> There should be other way to go…..
>>
>
> So I'm not very familiar with the eps writer (John Wise added this
> functionality added the ability to use SlicePlot and ProjectionPlot), so
> take what I'm saying worth a grain of salt.
>
> I think the solution is to pass in multiple different SlicePlot and
> ProjectionPlot instances.
>
> See this page in the docs:
>
> http://yt-project.org/doc/visualizing/plots.html#publication-ready-figures
>
> Unfortunately I won't have time to look into this more closely in the next
> day or two.
>
>
>>
>> Thank you,
>> Junhwan
>>
>>
>>
>>
>> On Wed, Jan 13, 2016 at 1:52 PM, Nathan Goldbaum <nathan12343 at gmail.com>
>> wrote:
>> > SlicePlot and ProjectionPlot should work with the eps_writer.
>> >
>> >
>> > On Wednesday, January 13, 2016, Junhwan Choi (최준환) <
>> choi.junhwan at gmail.com>
>> > wrote:
>> >>
>> >> Hi yt user,
>> >>
>> >> I have old yt script (with yt-2.7-ish) with eps_writer module that
>> >> makes 3x3 multi panel slice plot as follow
>> >> =================================
>> >> import matplotlib as matplotlib
>> >> matplotlib.use('Agg')
>> >> import matplotlib.pylab as pylab
>> >> from yt.mods import *
>> >> import yt.visualization.eps_writer as eps
>> >> import pyx
>> >> import pylab as pl
>> >>
>> >> pl.ion()
>> >> pl.clf()
>> >>
>> >> # load up a dataset
>> >> LBOX1 = 4000
>> >> LBOX2 = 4
>> >> LBOX3 = 0.04
>> >>
>> >> index = 66
>> >> pf = load("../DD%04d/DD%04d" % (index,index))
>> >> den_center = pf.h.find_max("Density")[1]
>> >> # create density slices
>> >> pc = PlotCollection(pf, center=den_center)
>> >>
>> >> p1 =pc.add_slice("Density", "z", center=den_center, use_colorbar=False)
>> >> p2 =pc.add_slice("Density", "x", center=den_center, use_colorbar=False)
>> >> p3 =pc.add_slice("Density", "y", center=den_center, use_colorbar=False)
>> >>
>> >> p1.set_zlim(1e-27, 1e-20)
>> >> p2.set_zlim(1e-27, 1e-20)
>> >> p3.set_zlim(1e-27, 1e-20)
>> >>
>> >> p4 =pc.add_slice("Density", "z",center=den_center, use_colorbar=False)
>> >> p5 =pc.add_slice("Density", "x",center=den_center, use_colorbar=False)
>> >> p6 =pc.add_slice("Density", "y",center=den_center, use_colorbar=False)
>> >>
>> >> p4.set_zlim(2e-20, 2e-14)
>> >> p5.set_zlim(2e-20, 2e-14)
>> >> p6.set_zlim(2e-20, 2e-14)
>> >>
>> >> p7 =pc.add_slice("Density", "z",center=den_center, use_colorbar=False)
>> >> p8 =pc.add_slice("Density", "x",center=den_center, use_colorbar=False)
>> >> p9 =pc.add_slice("Density", "y",center=den_center, use_colorbar=False)
>> >>
>> >> p7.set_zlim(2e-16, 2e-10)
>> >> p8.set_zlim(2e-16, 2e-10)
>> >> p9.set_zlim(2e-16, 2e-10)
>> >>
>> >> p1.set_width(LBOX1,"pc")
>> >> p2.set_width(LBOX1,"pc")
>> >> p3.set_width(LBOX1,"pc")
>> >>
>> >> p4.set_width(LBOX2,"pc")
>> >> p5.set_width(LBOX2,"pc")
>> >> p6.set_width(LBOX2,"pc")
>> >>
>> >> p7.set_width(LBOX3,"pc")
>> >> p8.set_width(LBOX3,"pc")
>> >> p9.set_width(LBOX3,"pc")
>> >>
>> >> ep = eps.multiplot_yt(3,3,pc,bare_axes = True)
>> >> ep.title_box("xy", loc=(0.1,2.95))
>> >> ep.title_box("yz", loc=(1.1,2.95))
>> >> ep.title_box("xz", loc=(2.1,2.95))
>> >> ep.scale_line(label="%6.0f kpc" % (LBOX1/4000.0), size=0.25,
>> >> linewidth=pyx.style.linewidth.Thick, loc=(0.05,3.08))
>> >> ep.scale_line(label="%6.0f pc"  % (LBOX2/4.0)   , size=0.25,
>> >> linewidth=pyx.style.linewidth.Thick, loc=(0.05,2.08))
>> >> ep.scale_line(label="%6.2f pc"  % (LBOX3/4.0)   , size=0.25,
>> >> linewidth=pyx.style.linewidth.Thick, loc=(0.05,1.08))
>> >> ep.save_fig("VelDenSlice4R_%04d"  % (index) )
>> >> pl.clf()
>> >> ==================================
>> >>
>> >> And, now I would like to port to the latest yt.
>> >> I could make most of changes but I found that there is no
>> >> PlotCollection which can pass the figures to eps.multiplot_yt any
>> >> more.
>> >> Is there any alternative way to replace the what PlotCollection and
>> >> add_slice did?
>> >> I also need to include the annotate_xxx so that using imshow is not a
>> >> good option for me.
>> >>
>> >> Thanks in advance,
>> >> Junhwan Choi
>> >> _______________________________________________
>> >> yt-users mailing list
>> >> yt-users at lists.spacepope.org
>> >> http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
>> >
>> >
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