For setting the specific optionVar value you could skip MEL and use this
Python command instead:
# Enable the "renderViewRenderSelectedObj" optionVar using Python
import maya.cmds as cmds
cmds.optionVar(intValue=('renderViewRenderSelectedObj', 1))
Regards,
Andrew Hazelden
On Wednesday, 7 September 2016 19:04:14 UTC-3, I73 wrote:
>
> Well I have a few 'hacks' for rendering the selected object, I would love
> to not use mel.
>
> *mel.eval('optionVar -intValue renderViewRenderSelectedObj 1;')*
> *mel.eval('renderWindowRender redoPreviousRender renderView;')*
> *mel.eval('prepareRender -invokePreRenderFrame;')*
> *mel.eval('prepareRender -invokePostRenderFrame;')*
> *mel.eval('updateEditorFeedbackRenderLayer RenderLayerTab
> defaultRenderLayer;')*
>
> If there is a better way, please feel free to tell me :)
>
> On Wed, Sep 7, 2016 at 2:36 PM, Wesley Keeling <[email protected]
> <javascript:>> wrote:
>
>> It works when I call the eval, but it only works when I first manually
>> render the scene after executing:
>> *import maya.mel as mel*
>> *mel.eval('int $var = 0; if( `optionVar -exists
>> renderViewRenderSelectedObj` ) { $var = (! `optionVar -q
>> renderViewRenderSelectedObj`); } optionVar -intValue
>> renderViewRenderSelectedObj $var;')*
>>
>> It seems to not want to refresh the renderer settings till I manually
>> render.
>>
>> On Wed, Sep 7, 2016 at 2:23 PM, I73 <[email protected] <javascript:>>
>> wrote:
>>
>> Hey Andrew, thanks for the reply, and sorry for the late reply.
>>> So I am still not fully understanding what the render view is doing. Am
>>> I going to have to use mel.eval to call renderViewRenderSelectedObj? Or can
>>> I preform this in python?
>>> Or is there a better way to render out the selected objet only by the
>>> cmds.render('persp', x=300, y=300, abortMissingTexture=True)
>>> Thanks!
>>>
>>> On Friday, August 12, 2016 at 2:28:21 PM UTC-7, Andrew Hazelden wrote:
>>>>
>>>> The Maya Render View's "Render Selected Objects Only" menu item is
>>>> defined and controlled in the following MEL file:
>>>>
>>>> /Applications/Autodesk/maya2017/Maya.app/Contents/scripts/others/renderWindowPanel.mel
>>>>
>>>> Besides the menuItem entry, there are two MEL other functions in this
>>>> script that refer to this specific rendering feature which are "
>>>> *switchSelectObj()*" and "*refreshRenderMenu()*".
>>>>
>>>> Both functions use MEL with an int based optionVar named
>>>> "renderViewRenderSelectedObj" to turn this rendering mode on and off:
>>>> *optionVar -intValue renderViewRenderSelectedObj $var;*
>>>>
>>>> Regards,
>>>> Andrew Hazelden
>>>>
>>>> On Friday, 12 August 2016 17:25:35 UTC-3, I73 wrote:
>>>>>
>>>>> I am trying to render the selected object in the scene, unfortunately
>>>>> the 'Render-> 'Render selected objects only' doesn't output to the script
>>>>> editor so I can't follow the MEL example.
>>>>> Is there anyone that has a working example or command I can use to get
>>>>> a render by selected object?
>>>>>
>>>>> render = cmds.render('persp', x=300, y=300, abortMissingTexture=True)
>>>>>
>>>>>
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