I want to add selected objects at selected layer

To my mind it should be in the following way:

1. select object
2. press the button of script
3. select layer from the list of layers

How to add all layers in custom menu If this variant is right?

Hello for everyone! How to add selected objects at selected layer in layer mager?!!

@ferdinand

edit: I restored your image, we will answer the posting tomorrow [ferdinand]

@mogh I didn't know about this function
@ferdinand Thank you a lot for your detailed response. I will chek posts which you recommended

Hello guys! Is it real to check everything in layer (objects, materials, tags) and delete layer if its empty?

@ferdinand

Script add a null in center of world coordinates. I want to change it, i described what i want to do in pictures.

I added Mike's code, because i wanted to make 2 options for Step 2:

• First option — script add axis poins of selected objects in center.
• Second option — script add axis poins of selected objects in center but in the lowest position in Y coordinate. Mike's script could do this but just for one object. If i select objects more than one i get a message: "AttributeError: 'NoneType' object has no attribute 'GetAllPoints'".

I'm sorry for my English...

@ferdinand , thank you a lot!
When i tried to fix my code i used Mike Udin's example, but i couldn't understand why this code didn't work with multiple objects. I've got next message: "AttributeError: 'NoneType' object has no attribute 'GetAllPoints'".

I supposed my script to set selected objects' axis points in the center for each other. After that the script should create a null between all axis points.

import c4d

def main():
    
    ps = op.GetAllPoints() #Points in Local coordinates List
    m = op.GetMg() #Object Global Matrix

    center = op.GetMp() #Local coordinates center: https://tinyurl.com/wed88cn
    rad = op.GetRad() # Geometry radius: https://tinyurl.com/tb6vn64
    
    center -= c4d.Vector(0,rad.y,0) #Move down axis to lowest point. Comment this line to keep axis in a center 
    
    center *= m #Convert to Global coordinates center

    new_m = c4d.Matrix(m) #Copy matrix
    new_m.off = center #Change its center

    loc_m = ~new_m * m #Get local matrix

    op.SetAllPoints([loc_m.Mul(p) for p in ps])
    op.SetMg(new_m)
    
    op.Message(c4d.MSG_UPDATE)
    c4d.EventAdd()


if name == 'main':
    main()

edit: This topic has been forked from How to fix the bug of objects position in script by @ferdinand

Guys! Please, help. I cannot fix this problem.

The main idea of ​​this script is:

1. add selected objects and materials of these objects to the layer
2. insert all objects under null.
   But position of objects changes. How to fix it?

: video

import c4d

def main():

    doc.StartUndo()


    layer = c4d.documents.LayerObject()
    # Set layer name (another option tp set the name)
    # Get the invisible root layer
    layerRoot = doc.GetLayerObjectRoot()
    # Insert the layer under the parent
    layer.InsertUnder(layerRoot)

    name = layer.GetName()
    rvalue = c4d.gui.RenameDialog(name) # rename
    print(rvalue)
    layer [c4d.ID_BASELIST_NAME] = rvalue
    #layer.DelBit(c4d.BIT_ACTIVE)

    null_obj = c4d.BaseObject(c4d.Onull)
    null_obj [c4d.ID_LAYER_LINK] = layer
    null_obj [c4d.ID_BASELIST_NAME] = rvalue
    doc.InsertObject(null_obj)


    doc.AddUndo(c4d.UNDOTYPE_NEWOBJ, layer)
    doc.AddUndo(c4d.UNDOTYPE_NEWOBJ, null_obj)

    s = doc.GetSelection()
    vp = doc.GetActiveObjects(c4d.GETACTIVEOBJECTFLAGS_NONE)


    for obj in vp:

        print obj

        obj [c4d.ID_LAYER_LINK] = layer
        obj.InsertUnder(null_obj)

        obj_mat_tags = [t for t in obj.GetTags() if t.IsInstanceOf(c4d.Ttexture)]

        for tag in obj_mat_tags:

            mat = tag.GetMaterial()
            print mat
            mat [c4d.ID_LAYER_LINK] = layer


    doc.EndUndo()
    c4d.EventAdd()

if __name__ == '__main__':
    main()

I use r21 version of c4d.

@ferdinand Thank you a lot for your help! I'm really sorry for organization of my post. Could you point out on my mistakes in tagging?

Dear community!

I want to create length port for spline node but I can’t find correct command for it.
How to get id of port in form like this
c4d.GV_PORT_OUTPUT, [c4d.ID_BASEOBJECT_REL_POSITION,c4d.VECTOR_X]

Mike, thank you a lot!