The master controls the other computers, or ???nodes,???by passing ???render commands??? to
them. These commands tell the node which scene to load and which frame to render.
When a node has finished rendering a frame, it passes a command back to the master saying
it has finished and is ready for the next frame; the process is repeated until all the
frames have been rendered.
The Command Folder
These render commands are not actually passed directly from computer to computer??”
the LightWave program on the master computer isn??™t talking directly to the LWSN program
on each node. Instead, they are talking to each other through a special folder: the
command folder.
This is an important folder that the master and all nodes must be able to see somewhere
on the network. This is because the render commands are actually text files. Each text file
is saved into the command folder with a unique name to separate one node??™s commands
from another. These commands are better known as ???job??? files. Each job file has a number
corresponding to the node it is designed for, so node 1 is passed job1, node 2 is passed
job2, and so on.
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