Node Group - Nuke

 This use case shows how to merge Node Group in a graph-node.

Merge Node Group

  How to merge twice a Node Group.
wood creation
<Creation id="wood" filename="wood.jpg">
     <Info name="width">1000</Info>
     <Info name="height">1000</Info>
</Creation>
mapAnim creation
<Creation id="mapAnim" path="group" filename="mapAnim/compositing_20.jpeg">
     <Info name="index.list">true</Info>
     <Info name="width">1920</Info>
     <Info name="height">1080</Info>
     <Info name="frame">1-75</Info>
     <Info name="begin">1</Info>
     <Info name="end">75</Info>
</Creation>
Node Group graph-node
process
<Process id="nodeGroupCompositing" type="compositing">
    <Param name="reset">true</Param>
    <Param name="last_frame">75</Param>
    <NodeGroup prefix="branch1_" processId="analyse(nukeGraph, nukeGraph, graph)" pos="colorCorrect;0;100"/>
    <NodeGroup prefix="branch2_" processId="nukeGraph" pos="colorCorrect;0;200"/>
    <Node name="branch1_read">
        <Param name="creationId">mapAnim</Param>
        <Param name="frame.range">true</Param>
    </Node>
    <Node name="branch2_read">
        <Param name="creationId">wood</Param>
    </Node>
    <Node name="branch1_transform">
        <FuncParam name="translate" type="square" frames="1-75/5">
            <Param name="begin">0;500</Param>
            <Param name="end">500;0</Param>
        </FuncParam>
    </Node>
    <Node name="branch1_blur">
        <FuncParam name="size" type="linear" frames="1-75/2">
            <Param name="begin">30</Param>
            <Param name="end">0</Param>
        </FuncParam>
    </Node>
    <Node name="merge" create="Merge" link="branch2_colorCorrect;branch1_colorCorrect" pos="100;200"/>
    <Node name="write" create="Write" link="merge" pos="100;300"/>
    <Render nodeName="write">
        <Param name="creationId">outputComp2</Param>
        <Param name="frames">1-75</Param>
    </Render>
</Process>
Merge graph-node
result