Hi Kuo-Chuan,

We have seen really long calculation times in the past.  If you use
the camera interface and specify:

no_ghost=True

when calling .camera( ... ) it should speed up the rendering time
considerably.  Try the camera interface, and give a shot at the
no_ghost option, and see if that improves it?

-Matt

On Thu, Feb 24, 2011 at 5:05 PM, Kuo-Chuan Pan <kpan2@astro.illinois.edu> wrote:

Dear Matt,

Thank you so much for your help!

Changing the width to pf.domain_right_edge -pf.domain_left_edge seems works now!

but it is still calculating  (> 2hrs).

I thought width=1 refer to the whole domain.

After the calculation finished, I will let you know whether it works or not.

Thank you so much.

Best,

Kuo-Chuan

On Feb 24, 2011, at 3:46 PM, Matthew Turk wrote:

Hi Kuo-Chuan,

You can also get the full domain by using the unit 'unitary' in the

same way you would use other units.  For example,

1.0/pf['unitary']

should get you the largest box side length, so it should be the whole domain.

When I update the recipes and documentation next, I will be more clear

that "1.0" refers to a particular method of describing the domain, and

I will move it to using "unitary" everywhere instead of the implicit

domain size.

Let us know how it goes!

Best,

Matt

On Thu, Feb 24, 2011 at 2:33 PM, j s oishi <jsoishi@gmail.com> wrote:

Hi Kuo-Chuan,

3.  I set the width = 1 as used in the example code.

I think this is your problem. Flash uses cgs units, and so you are

trying to volume render a volume of width 1 cm. This is far tinier

than a single cell, and so no data (NoneType) is returned to the

render.

Instead, try setting width = pf.domain_right_edge -

pf.domain_left_edge, assuming your parameter file is called pf. This

should set the width to be the whole domain.

I hope this helps,

Jeff

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