If you create a ReadGeo2 and set its 'file' knob all in one shot, you won’t get
the dialog popping up; the node will just set itself up to load the first
available node in the cache. However, you can then inspect the `scene_view`
knob to get the list of available geometry nodes.
n = nuke.createNode('ReadGeo2', 'file {/path/to/cache_file.abc}')
Cameras are easier, since the `fbx_node_name` knob will only be populated with
the camera nodes from the file.
-Nathan
From: Johannes Hezer
Sent: Monday, October 07, 2013 9:27 AM
To: [email protected]
Subject: Re: [Nuke-python] How to set up an alembic ReadGeo node?
Hi everyone,
I have a geo and three cameras in one alembic file.
Any have a plan of action to get this imported via python without seeing the
dialog.
Cheers
Johannes
On 07/22/2013 12:04 PM, Peter Crossley wrote:
Hi Paul,
The alembic reader has the concept of imported and selected nodes. For
example, if an abc file has 10 nodes in total, you could choose to import only
5 of those, and these would be the only nodes that appear in your Scenegraph
tab.
In your case, only the first item is being imported. To remedy this, you need
to look at the python bindings for the node's scene_view knob (which controls
the import/selection from the abc file). You need to do the following:
readGeo = nuke.createNode('ReadGeo2', 'file {alembicFile.abc}')
sceneView = readGeo['scene_view']
allItems = sceneView.getAllItems() # get a list of all nodes
stored in the abc file
sceneView.setImportedItems(allItems) # import all items into the ReadGeo
node
sceneView.setSelectedItems(allItems) # set everything to selected (i.e.
visible)
Hope that helps!
Cheers,
Peter.
On 17/07/2013 01:48, [email protected] wrote:
My first attempt to create a ReadGeo node looked like this:
n = nuke.createNode('ReadGeo2')
n['file'].setValue('alembicFile.abc')
However, when I set the file knob, I would get a popup dialog that would
ask the user if they wanted to "Create all-in-one node" or "Create parents as
separate nodes".
Wishing to avoid this pop-up dialog, I then tried:
nuke.createNode('ReadGeo2', 'file {alembicFile.abc}')
This would, indeed avoid the dialog... but it seems the dialog is
essential, as the ReadGeo node would not show all the nodes contained in my
alembic file (it would only show one of four objects in a hierarchical
structure).
So... does anyone know what exactly this popup dialog is doing, or how to
recreate it's effects without requiring user interaction?
Thanks,
- Paul
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