adding render elements with python?

[Anonymous]

How would i go about adding a render element with python?

In maxscript

r = maxOps.GetCurRenderElementMgr()
r.AddRenderElement(CMasking_Mask)

And in python

r = MaxPlus.RenderSettings.GetCurrentRenderElementManager()
r.AddRenderElement()

Pythons AddRenderElement calls for the Class_ID, but i have zero idea how to get hold of that.

Cheers,

[Anonymous]

So I've managed to add a standard render pass, in this case Alpha

rndr_elem_mgr = MaxPlus.RenderSettings.GetCurrentRenderElementManager()

alpha_elem = MaxPlus.Factory.CreateRenderElement(MaxPlus.ClassIds.alpha)
rndr_elem_mgr.AddRenderElement(alpha_elem)

With that, how would i add render elements from 3rd party renderers? CMasking_Mask from Corona for instance.

Again, it works in maxscript with

r = maxOps.GetCurRenderElementMgr()
r.AddRenderElement (CMasking_Mask elementname:"CMasking_Mask")

Cheers,

[Swordslayer · Accepted solution]

If there's no predefined ClassID, construct the ClassID yourself with MaxPlus.Class_ID(idA, idB)

You can get the ClassID parts in the listener with CMasking_Mask.classID

[Anonymous]

Fantastic. That's a much better way. The solution i knocked together calling Maxscript from python and string format for params that i needed. But i'd much prefer to run straight python.

maxscript = """
    r = maxOps.GetCurRenderElementMgr()
    r.AddRenderElement (CMasking_Mask elementname:"CMasking_Mask_{}" mode:1 objectROn:true objectR:{} objectGOn:true objectG:{} objectBOn:true objectB:{})
""".format(inc, id[0], id[1], id[2])

MaxPlus.Core.EvalMAXScript(maxscript)

Thanks again,