[Sidefx-houdini-list] Cd in VOP SOP
ld at dneg.com
Mon Mar 31 09:27:14 EDT 2008
the import attribute vop has a success flag. you could pipe that to an
if subnet containing an add attribute vop
Ben Schrijvers wrote:
> Hi Sean,
> I geuss as soon as you connect something to the Cd output inside the VOP
> Sop it will output Cd.
> Don't think you can do the switch inside the VOP Sop..
> So maybe you need to use an Attribute Sop to delete the Cd attribute and
> a Switch Sop with expression to do the switch afterward.
> You could use the hasattribute() expression to test if there was a Cd
> attribute on the input of the VOP Sop.
> Sean Lewkiw wrote:
>> Let's say I want to be able to switch between affecting point colours
>> using a VOP SOP and not affecting point colours.
>> Right now I'm using a switch VOP. If the geo has no point colours to
>> begin with, it gets assigned point colours when switched to what I want
>> to be a null effect. I can't figure out how you can make a switchable
>> effect that has no effect if that's what you want.
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