The Sub-Graph node encapsulates a group of nodes into a single node with exposed imports and exports. Sub-Graphs are primarily used to organize node graphs.
You can save and share Sub-Graphs by right clicking on the node, highlighting Sub-Graph, and choosing
Export to File. This way you can make your own collection of Sub-Graphs to use in your future projects.
To import a Sub-Graph from a file, simply drag and drop an exported Sub-Graph .subgraph file into the Material Editor window to import it:
To go into a Sub-Graph, you can click on it, press
Enter, or right click on it and select
Sub-Graph > Jump into Sub-Graph.
To exit a Sub-graph, you can press
Esc, or right click on some empty space in the Material Editor window and select
Sub-Graph > Jump out of Sub-Graph.
Get your bearings by taking a look at the path on the top of the Material Editor window which shows how many layers deep you are in Sub-Graphs. You can click on the text to bring you to that level.
Adding Options to Sub-graphs
Parameters are not allowed inside of Sub-Graphs. Parameters can be imported into Sub-Graphs by connecting them to a Float Sub-Graph Import or Texture 2D Object Sub-Graph Import node.
Sub-Graph Import and Sub-Graph Export nodes have similar properties to Parameter nodes for organizing their ordering and display. See the Parameters Guide for more detailed information of these controls.
Similar to Parameter nodes, the
Step fields do not clamp or snap the incoming value! These are for display and control purposes only, and can be overriden with incoming data. Use a Clamp node to make sure your values are clamped properly.
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