Oh!! sorry!
I have found the solution, in other post that I opened:
"Yes there is, it's an attribute of the mentalrayGlobals node
import maya.cmds as mc
method = 4
mc.setAttr('mentalrayGlobals.accelerationMethod', method)
where method are: 0: BSP, 3: largeBSP, 4: BSP2"
Thank you!!!!
Omar.
2009/4/1 Omar Agudo <[email protected]>:
> Thank you so much Chad.
>
> you say that: "the mental ray that is integrated into maya has all the same
> features that standalone has, but it requires you to have maya open
> during rendering."
>
> There is some way to access to parameters like "Acceleration Method"(
> that appears in the render Settings
> window) in my python script with Maya running in standalone mode?????
>
> Thank you!!!!!
>
> Omar.
>
>
>
> 2009/4/1 Chad Dombrova <[email protected]>:
>>
>> let's get back to the basics, here:
>>
>> 1) mental ray "standalone" is a completely separate application from
>> maya that allows you to render scenes exported in mi syntax without
>> having maya open.
>> 2) the mental ray that is integrated into maya has all the same
>> features that standalone has, but it requires you to have maya open
>> during rendering.
>> 3) to control a feature for mental ray standalone, you change the
>> appropriate attribute in maya, then export to mi, where you will find
>> the attribute as its corresponding value in the resulting mi file.
>> then you render the mi file using the application called "ray" or
>> "ray.exe"
>> 4) whether you are rendering through maya's GUI or via maya batch on
>> the command line you are still using maya's integrated mental ray,
>> i.e. not mental ray standalone.
>> 5) mental ray standalone does not come for free with maya, so if you
>> are not sure if you have it, you probably don't.
>>
>> this is the mental ray mailing list:
>> [email protected]
>>
>> -chad
>>
>>
>>
>> On Apr 1, 2009, at 6:20 AM, Omar Agudo wrote:
>>
>>>
>>> I think so, but it´s strange that with the UI of Maya, you can have
>>> access to parameters like "Acceleration Method" in the render Settings
>>> window that are parameters for the mental ray standalone version.
>>>
>>> Why this happened??
>>>
>>> Omar.
>>>
>>>
>>> 2009/4/1 Matthew Gidney <[email protected]>:
>>>>
>>>> there is a standalone version of mental ray with maya 2009?
>>>> thats news
>>>> i always thought mental ray was encaplsulated within a plugin for
>>>> maya
>>>> and standalone mr is a separate software altogether.
>>>> .....
>>>>
>>>>
>>>> 2009/3/31 Omar Agudo <[email protected]>:
>>>>>
>>>>> Hi all,
>>>>>
>>>>> I am using the standalone version of Mental ray that comes with
>>>>> Maya 2009.
>>>>>
>>>>> I am trying to render a scene (.ma) with the standalone version of
>>>>> Mental Ray, because I don´t have enough memory when rendering the
>>>>> scene with the default render that comes with Maya 2009, because the
>>>>> scene contains a lot of triangles and objects. In orden to save
>>>>> memory
>>>>> I have read the tutorial
>>>>> http://www.lamrug.org/resources/memorytips.html that explain some
>>>>> options that comes with the Mental Ray render that improve the
>>>>> memory
>>>>> usage, turning on flushable the memory (reusable memory). These
>>>>> options are:
>>>>>
>>>>> * Placeholders - Reuse memory for source geometry
>>>>> * Approximation - Reuse memory with fine approximation
>>>>> * Texture cache - Resuse memory with tiled texture maps
>>>>> * BSP acceleration - Reuse memory with large BSP
>>>>>
>>>>> Another problem I have found is that I can´t use the Maya comand
>>>>> Mayatomr (defined in the cmds API) that provides access to most
>>>>> functionalities of mental ray.
>>>>>
>>>>> Have someone use the mental ray render that comes with maya 2009?
>>>>>
>>>>> Is needed to pay another license to use the Mental Ray options
>>>>> (reusable memory)?
>>>>>
>>>>> Why the command Mayatomr doesn´t work?
>>>>>
>>>>> Thank you so much!!!!!
>>>>>
>>>>> Omar.
>>>>>
>>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Matt Gidney
>>>>
>>>>>
>>>>
>>>
>>> >
>>
>>
>> >>
>>
>
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