[yt-users] draw_domain failure

[Sam Skillman]

Hi Chang-Goo,

I think I spotted the problem. The syntax for drawing the domain is not
exactly the same as that for drawing the coordinate vectors. Instead of:
        cam.draw_coordinate_vectors(im)
        cam.draw_domain(im)
        im.write_png("camera_domain.png")
 can you try
        cam.draw_coordinate_vectors(im)
        im = cam.draw_domain(im)
        im.write_png("camera_domain.png")

Sorry that this doesn't have a consistent API for the two draw functions.
draw_coordinate_vectors modified the im image directly, whereas draw_domain
makes a copy.  We are hoping to clean this API up in an in-progress
refactor of the volume rendering module for yt.

Let us know if that does the trick.  Its seems to work for me over here on
a test rendering.

Cheers,
Sam


On Mon, Apr 14, 2014 at 9:40 PM, Sam Skillman <samskillman at gmail.com> wrote:

> Hi Chang-Goo,
>
> I'll try to test this out tomorrow. I'm not sure that drawing grid domains
> are up to snuff after the unit refactor of 3.0.  Have you modified the
> source code in any way?  If so, would you please paste the diff?
>
> Thanks,
> Sam
>
>
> On Mon, Apr 14, 2014 at 6:07 PM, Chang-Goo Kim <cgkim at astro.princeton.edu>wrote:
>
>> Hi John,
>>
>> Yes, it's Athena vtk file. yt supports it very well.
>>
>> Here's ytathena_mpi.py:
>>
>> http://paste.yt-project.org/show/4523/
>>
>> Thanks,
>>
>> Chang-Goo
>>
>>
>> On Mon, Apr 14, 2014 at 5:01 PM, John ZuHone <jzuhone at gmail.com> wrote:
>>
>>> Hi Chang-Goo,
>>>
>>> Also, could you elaborate a little bit on these other questions:
>>>
>>> 1) What sort of file are you trying to read? It looks like Athena.
>>>
>>> 2) What exactly is ytathena_mpi importing?
>>>
>>> Best,
>>>
>>> John
>>>
>>> On Apr 14, 2014, at 4:54 PM, Sam Skillman <samskillman at gmail.com> wrote:
>>>
>>> Hi Chang-Goo,
>>>
>>> Sorry to hear it isn't working. Could you elaborate on a few pieces:
>>>
>>> 1. What version of yt are you using?  From your original traceback I'm
>>> assuming a very recent version, but could you send along the results of "hg
>>> summary"?
>>>
>>> 2. Does the code fail in some new way, or do the wireframes just not
>>> show up on the image?
>>>
>>> 3. What is pf.domain_width for your simulation?  If it is much more than
>>> 600, its possible that you are just zoomed in so far that you can't see the
>>> domain wireframe.
>>>
>>> Thanks,
>>> Sam
>>>
>>>
>>> On Mon, Apr 14, 2014 at 9:01 AM, Chang-Goo Kim <
>>> cgkim at astro.princeton.edu> wrote:
>>>
>>>> HI all,
>>>>
>>>> I'm a new yt-user, who are trying to produce nice volume rendering
>>>> images with yt. While I was playing with volume rendering examples, I got
>>>> an error message for draw_domain function.
>>>>
>>>> http://paste.yt-project.org/show/sbQxZHfKi5Wto03SlKI2/
>>>>
>>>> I talked with Matt, and he tried to solve it. Now it doesn't return
>>>> error message, but I still cannot draw wireframes for domain. Here's my
>>>> code.
>>>>
>>>> http://paste.yt-project.org/show/4506/
>>>>
>>>> Thanks a lot!
>>>>
>>>> Chang-Goo
>>>>
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