@ferdinand Maybe the broblem in not the code but the Cinema Application, Some friends also told me when they load Aseets(especially at a large Asset data like 20G in disk) , It always take a long time or even not load unless restart C4D.

You are right, I should call WaitForDatabaseLoading() function for safe. That's my stupid , I didn't notice the loading failed in state bar

I do check the Python examples in GitHub , but I think maybe it is a dcc of my config problem, some friends also said assets broswer is a little slower . (perhaps due to china a internet far away from maxon server) .hope it will be fix in uncoming C4D

@ferdinand

Thanks for that , as I metion above , Otoy didn't providing support . And they even didn't reply the topic

And this is all I want , I just want to know what this code happend and to move on .

I will still try to ask help for Otoy , thanks for your help

@x_nerve

Yes , I know exactlly what you mean , but unfortunally , Octane form and Octane support is not good as this PluginCafe . Some post I even cannot post a topic . I don't know what lead this happened , but it does .

Actually , I post it and ask , this is all they reply , not a example or any explain , even not what I ask for python , by the way , I try to add a aov node like this C++ ( for the part I can read ) , it does worked for something , like insert a node to aov node gragh an connect or something , I think it also like c4d.BaseMaterial structure or something like that >

-- Renderer
    -- AOV out node
        -- Beauty AOV

So I can do a little work , so I what to know how this code means . I know that Maxon would not support this

Hello :

I want to create a 3rd-part AOV Node to render Engine Octane , Octane teams provide a lillte example in C++ , but unfortunately I only use python and cann't understand and translate it into python version .

Can you provide a bare-bone code for this snippets in python ?

Any help will be great

BaseList2D *addAOVnode(BaseList2D *parent, Int32 slotID, Int32 TYPE, Octane::RenderPassId passId, Bool incCnt)
{
   BaseContainer *bc = parent->GetDataInstance();
   Int32 pType = bc->GetInt32(AOV_NODE_TYPE);

   BaseList2D *shd = addOctaneShaderToNode(parent, slotID, ID_OCTANE_AOV_NODE);

   if(TYPE==AOV_TYPE_COMP_GROUP)       {  shd->SetName(AOV_GROUP_NAME);  }
   else if(TYPE==AOV_TYPE_COMP_AOV)         {  shd->SetName(AOV_COMP_NAME);  }
   else if(TYPE==AOV_TYPE_COMP_AOV_LAYER)   {  shd->SetName(AOV_COMPLAYER_NAME);  }
   else if(TYPE==AOV_TYPE_COLOR_OUT)        {  shd->SetName(AOV_COLOROUT_NAME);  }
   else if(TYPE==AOV_TYPE_IMAGE_AOV_OUT)    {  shd->SetName(AOV_IMAGEOUT_NAME);  }
   else if(TYPE==AOV_TYPE_COMP_LIGHTMIXER)  {  shd->SetName(AOV_IMAGEOUT_NAME);  }
   else if(TYPE==AOV_TYPE_RENDER_AOV_OUT)
   {
       shd->SetParameter(DescLevel(AOV_RENDER_PASS_ID), GeData((Int32)passId), DESCFLAGS_SET_0);
       shd->SetName(AOV_RENDEROUT_NAME+S(":[")+ rPassName(passId)+"]");
   }

   setParameterLong(*shd, AOV_NODE_TYPE, TYPE);
   if(incCnt)
   {
       Int32 cnt = bc->GetInt32(AOV_INPUT_COUNT);
       setParameterLong(*parent, AOV_INPUT_COUNT, cnt+1);
   }
   return shd;
}

Hello

Here is my little Redshift api helper on Github , it have a AddTexture function to do this .

It is a bare-bone one , and I have no time to perfection , but it can work for basic for now

It has a little example , welcome to improve it and have fun

Hope it can help for anyway .

@ferdinand

I Check with my home PC in R 2023, It works fine , And for some reason , It report a none last time I am pretty sure I have not insert a layer field in fieldlist ( I just miniest the scene for test code ) , But when I resart C4D today this none warning just gone

Maybe It is just a oolong events I make some thing I don't know . Sorry for that .

And Thanks for the TIPS , next post I will take a more spesific report

cheers~

A None report happened when modify Fieldlist in R 2023 , ss a bug or I missed something ?

More :

None report seems happened in R 2023 , It would work actually , but It report a bug like this :

The same code runs well in S26.107 without bug report :

Here is the code :

import c4d

def get_field_layers(op):
    """ Returns all field layers that are referenced in a field list.
    """
    def flatten_tree(node):
        """ Listifies a GeListNode tree.
        """
        res = []
        while node:
            res.append(node)
            for child in node.GetChildren():
                res += flatten_tree(child)
            node = node.GetNext()
        return res

    # get the GeListHead for the FieldList
    root = op.GetLayersRoot()
    if root is None:
        return []
    # Get the first node under the GeListHead
    first = root.GetFirst()
    if first is None:
        return []

    # traverse the graph
    return flatten_tree(first)

def main():
    fieldlists = [value for id, value in op.GetData()
                  if isinstance(value, c4d.FieldList)]
    if not fieldlists:
        return
    opname = op.GetName()
    doc.StartUndo()
    for layer in get_field_layers(fieldlists[0]):
        obj = layer.GetLinkedObject(doc)
        print(obj)
        doc.AddUndo(c4d.UNDOTYPE_CHANGE,obj)
        obj.SetBit(c4d.BIT_ACTIVE)
        #obj.do somethings
    doc.EndUndo()
if __name__=='__main__':
   main()
   c4d.EventAdd()

@ferdinand
Thnaks for your help, I think it is enough for this specific toppic . It work as espected

@ferdinand

Thanks for extreme detailed explains , but I think maybe had a bad description , so you go deeper .
In my views , your point at how to get all sence active nodes . ( It is a great explain and very useful to learn )

But my goal is get last select node ,for more specific minimal example , when a texture tag and a cube both selected , assign material maybe a problem expecially when scripts support them at same time , so the goal more like when cube is lastest select ,apply mat to cube , and vis versa , when texture tag is the lastest selected , then ignore the cube selection.

With your great codes , it more like returns a state more than a order .

And you said "There are however no equivalents for the selection order for materials, tags, etc." , Is that means I cannot approach it .

Like I have to set a more hard condition to decide what is consider first type ( It's a easy way , but not a user friendlly one , expecially to the C4D beginner , they don't want to remember so much priority conditions , such as tag > object > layer or somethings)

Hello :

Question :

I want to get a order of what I select and activate last . Can I do this wth python ?

More Descriptions :

For example , I select some thing and they can exist active at the sametime. e.g.

• object A
• tag A on object B
• Mat A in material manager
• layer B in layer manager .
• even a attribute in Atrribute Manager

If I want a quick function for example reneme . I don't want to GetActiveObjects scripts for Object Manager and another GetActiveMaterials scripts for Material Manager , that means to many scripts with a same task .

Instead , I want only one script that can judge which is my last select thing or which context my mouse in , so that I can run a corresponding function . ( even more like execute on tags and both on materials )

Can or how can I do this with python ?

Here is a picture for better explain what I mean active at same time .

@ferdinand

Thanks for your explain .

The code you procvde work fine and the black not show again .

.pyp provided code

The old one is also use EdgeHtml viewer . Maybe render black in scripts manager is as a not support way as you mentioned?

.py run in script manager

Finnally, here is the contrast result .