[yt-users] Volume rendering issues

[Matthew Turk]

Hi Mike,

That sure does look wrong.  Can you tell me which version of the code
you're using?  I'll try to replicate it here.

You can get this info by executing:

yt instinfo

Thanks,

Matt

On Thu, Oct 14, 2010 at 1:59 PM, Mike Butler <butler85 at astro.ufl.edu> wrote:
> Hello,
>
> I am trying to make a movie of my data using the off-axis projection
> recipe in the cookbook.   The idea of what I am trying to do is make a 3D
> movie of my data rotating around an axis.   The script itself is located
> at the end of the email.  When 'n' is 0, the projection looks normal, but
> when L should be [0.1,0.5,1.0] and for the following steps, I get images
> that look like this:
> http://www.astro.ufl.edu/~butler85/images/frame_0001.png   which has what
> looks like strange bars running across it. Thanks in advance for any
> help/suggestions.
>
> -Mike
>
> for n in range(11):
>   ...:         pf=load("Cloud_128AMR4StarsFUV_0101")
>   ...:         tf=vr.ProjectionTransferFunction()
>   ...:         pf.field_info["Density"].take_log=False
>   ...:         c = [0.5,0.5,1.0]
>   ...:         L=[n*0.1,0.5,1.0]
>   ...:         W=0.8
>   ...:         Nvec = 512
>   ...:         vp=pf.h.volume_rendering(L,W,c,Nvec,tf,whole_box=True)
>   ...:         vp.ray_cast()
>   ...:         image=na.log10(vp.image[:,:,0])
>   ...:         iw.write_image(image,fn % (n))
>
>
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