rendering multiple nuke nodes only renders the first node

#1 · 2. 2 月 2021, 22:47

In a simple test with a checkerboard and three prism write nodes. If you select all of the write nodes and choose "render selected" Nuke will only render the first write node.

Additionally, if I try to use a frame server to render more than one write node, I get an error "knob file does not exist"

My guess is that the knob "file" is a python expression, and therefore only gets resolved at rendertime.

What would really be handy is if we had a "bake" button on write nodes that would create new write nodes with resolved filenames, so this would be compatible with render farms, rendering multiple nodes, and the frame server.

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#2 · 10. 2 月 2021, 11:54

The problem with rendering multiple nodes will be fixed in the next Prism update (v1.3.0.69).

The error from the frameserver seems to be a Nuke problem though. You get the same warning when you create two normal write nodes, put them into two groups and try to render the groups with the frameserver.

You can render the WritePrism node on Deadline and other renderfarms. If you want to render on a computer which doesn't have Prism installed you could copy the generated path of the WritePrism node to a normal write node and delete the WritePrism node.