[yt-users] yt volume render/AMRKDtree help
Renyue Cen
cen at astro.princeton.edu
Tue Jan 8 09:08:01 PST 2013
Hi Sam,
your transpose fix DOES change things and it indeed may working now.
Here is the first images I got for comparison.
I am going to make a few more pictures to see if things are all good.
Thanks very much,
Best,
Renyue
On Jan 8, 2013, at 11:25 AM, Sam Skillman wrote:
> Hi Renyue,
>
> I have actually seen this on one other system but I could never reproduce it. Could you tell me the version of yt you are using? If you run "yt instinfo" it should tell you. I haven't seen this bug for the last few months so I thought it was gone.
>
> Additionally, can you try the following at the end of your script:
>
> im=cam.snapshot('test1.png')
> write_bitmap(im, 'test2.png', transpose=False)
>
> I think there may have been something wrong with the transposing of the image for a short time period a few months ago. I have very sporadic and unreliable internet at AAS but I'll try to respond as quickly as possible.
>
> Sorry for the trouble,
>
> Sam
>
>
>
> On Jan 7, 2013 10:11 AM, "Renyue Cen" <cen at astro.princeton.edu> wrote:
> Hi,
>
> I did some simple volume rendering with the following script:
>
> volume2 = AMRKDTree(pf, fields=["Dark_Matter_Density"],
> no_ghost=False, tree_type="domain",
> le=c-0.5*WW, re=c+0.5*WW)
> cam = pf.h.camera(c, L, W, N, tf, volume=volume2, no_ghost=False,
> north_vector=L, steady_north=True)
> cam.snapshot(fn="%s_iso-DMdensity-%3.3d.png" % (filenameTHIS, j))
>
>
> I got rather strange results in that the pictures look symmetric, which I am pretty
> sure can not be true.
> I attach the obtained plot.
> Note that I am using KD tree and using 32 cores.
>
> Your help at your earliest convenience is appreciated.
> Best,
> Renyue
>
>
> <C15z1600.0043_iso-DMdensity-000.png>
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