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#python
# Sample RenderEngineScript input
#
# Use the following context variables for rendering:
#
# "context.document" - a reference to the owning document.
# "context.node" - a reference to the owning node.
# "context.visible_nodes" - the collection of nodes that should be
# rendered, if possible.
# "context.output_image" - path to the user-selected output file.
# "context.view_image" - boolean indicating whether the output should
# be displayed after rendering is complete.
# This trivial example "renders" the document by writing
# the name of each visible node to a text file. The set of
# visible nodes is chosen by the user at runtime via the
# "Visible Nodes" property.
import k3d
k3d.check_node_environment(locals(), "RenderEngineScript")
output = open(str(context.output_image), "w")
for node in context.visible_nodes:
output.write(node.name + "\n")
output.close()
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