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To add modifiers dynamically, I know that one can modify values of existing modifier via attribute output node. Can this node be used to create modifiers or does it need some sort of scripting?

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  • $\begingroup$ try pressing I over the Eye Icon of the Modifier $\endgroup$
    – HenrikD
    Nov 8, 2017 at 10:35
  • $\begingroup$ sorry I dont know Animation Nodes but that would be the way I would try to do it $\endgroup$
    – HenrikD
    Nov 8, 2017 at 10:37
  • $\begingroup$ No that´s not the case. Needs to be added dinamically $\endgroup$ Nov 8, 2017 at 10:41
  • $\begingroup$ but it would be not effectively there if you hide it. That was my thought $\endgroup$
    – HenrikD
    Nov 8, 2017 at 10:51

1 Answer 1

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The only way to do this is by using scripting, there are three important points to take into consideration when making this:

  1. Make sure not to add the modifier if it was already added in a previous execution.
  2. Output the input object and plug it into the attribute output node, making sure you are not editing a modifier before it gets added.
  3. The modifier name should never be an empty text because then blender will automatically add a name and our first test will fail, so we should set a fallback value.

Making sure we got those three points right, we can write a code like this:

modifierName = modifierName if modifierName != "" else "Fallback"
if not modifierName in object.modifiers:
    object.modifiers.new(modifierName, 'ARRAY')
outObject = object

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  • $\begingroup$ Great!!! This was what I was looking for. $\endgroup$ Nov 8, 2017 at 13:37

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