[yt-users] volume rendering angle

[Rick Wagner]

Hi Matt,

I made a quick example that produces fine images from an off-axis view, and rather cubist results along x, y or z. The script is posted at
  http://paste.enzotools.org/show/1120/
and the dataset is RD0007 from the Enzo cookbook.

Thanks,
Rick

On Aug 25, 2010, at 2:34 PM, Matthew Turk wrote:

> Hi Rick,
> 
> Okay, fair enough.  :)  If y'all have a script that shows the issue,
> I'll run some tests...  I'm suspicious that it's still in the iv_dir
> calculation.
> 
> -Matt
> 
> On Wed, Aug 25, 2010 at 2:31 PM, Rick Wagner <rwagner at physics.ucsd.edu> wrote:
>> Hi Matt,
>> 
>> Actually, I think that the last changes you made fixed some cases, but not all of them.  Before I went on vacation I was trying to learn how the rendering was implemented, so that I could suggest a fix, rather than just a bug report. My memory is that orthogonal projections may still be having problems.
>> 
>> --Rick
>> 
>> On Aug 25, 2010, at 1:58 PM, Matthew Turk wrote:
>> 
>>> Hi G.S.,
>>> 
>>> Are you on trunk or 1.7?  I thought I fixed both...  Rick Wagner was
>>> also looking at this a while back and I think he said it was working
>>> for him after being broken.
>>> 
>>> You can try a fresh install, but I don't think that would work if
>>> updating didn't.  :)  Are you sure it's updating the right place?
>>> 
>>> -Matt
>>> 
>>> On Wed, Aug 25, 2010 at 1:52 PM,  <gso at physics.ucsd.edu> wrote:
>>>> I did an svn up, then python setup.py install yesterday trying to see if
>>>> an update would fix it, so I was at svn version 1810 yesterday, today it's
>>>> 1811, even after the yt instinfo -u the problem persists.  Do I need to do
>>>> a new install of YT for the new release or is SVN still keeping me up with
>>>> latest?
>>>> 
>>>> From
>>>> G.S.
>>>> 
>>>>> Hi G.S.,
>>>>> 
>>>>>> Specifically, when I try to render an image using an image plane
>>>>>> perpendicular to the vector L=[1,1,1] and center [0.5,0.5,0.5]
>>>>>> everything
>>>>>> looks fine, but if I want a head on view from the x axis of the y,z
>>>>>> plane
>>>>>> and setting L=[1,0,0] the image is just gibberish.
>>>>>> 
>>>>>> Any thoughts on what I might have done wrong?  I was just using the
>>>>>> sample
>>>>>> script from the cookbook and changing L only, with both the "Simple
>>>>>> Volume
>>>>>> Rendering" and "Camera Interface"
>>>>> 
>>>>> You didn't do anything wrong.  There was a bug that was causing this a
>>>>> while back, but it should be fixed in the current trunk.  "yt instinfo
>>>>> -u" should update things for you.  Let me know if that doesn't work!
>>>>> 
>>>>> -Matt
>>>>> _______________________________________________
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>>>>> 
>>>> 
>>>> 
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