[Sidefx-houdini-list] ROP asset question

[Antoine Durr]

Just do a switch ROP, with a null on the left input and your Mantra  
on the right input, and channel reference the switch ROP's switch  
parm to the upper level toggle that controls whether to use that  
particular Mantra ROP or not.  Basically, everything that is not in  
the current render set is switched to a null.  It does work, as we  
have a mondo ROP OTL that has 27 Mantra ROPs in it and another 170  
nodes including other OTLs, switches and nulls.  The whole thing  
stays locked.  One nice thing is that the switch ROP will show a  
solid line to the input that is live and dashed lines to the rest, so  
you can get a pretty good visual indication of what's being used.

-- Antoine


On May 25, 2011, at 12:30 PM, Nico Delbecq wrote:

> My current workaround for this is to make the rops editable inside  
> the asset and enabling/disabling them via python...
>
> Hope that helps.
> Cheers,
> Nico
>
>
> On 25 May 2011, at 19:36, Mark Alexander <malexander at sidefx.com>  
> wrote:
>
>> On 05/25/2011 02:27 PM, Pablo Giménez wrote:
>>> I am still working in the asset interface, but I was wondering  
>>> what happend
>>> in a rop otl when you press the render button, how it know what  
>>> rops from
>>> inside the otl render?
>>
>> Since there are no node flags in ROPs, and there is no output  
>> connector for subnets, a subnet ROP renders all ROPs that have no  
>> outputs (ie, are at the end of a chain).
>>
>> M.
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