On USD Object Change
Monitors a specific ‘Property Name’ on a connected ‘Prim’ target. When a change in the underlying USD is detected, activates execution of the downstream graph.
Installation
To use this node enable omni.graph.action_nodes in the Extension Manager.
Inputs
Name |
Type |
Descripton |
Default |
---|---|---|---|
Property Name (inputs:name) |
|
The name of the property of interest on the USD prim being monitored. |
None |
Metadata |
literalOnly = 1 |
||
Only Simulate On Play (inputs:onlyPlayback) |
|
When true, the node is only executed while the Stage is being played. |
True |
Metadata |
literalOnly = 1 |
||
Path (inputs:path) |
|
The path of object of interest (property or prim). If the prim input has a target, this is ignored |
None |
Metadata |
literalOnly = 1 |
||
Prim (inputs:prim) |
|
The USD prim being monitored. |
None |
Metadata |
literalOnly = 1 |
Outputs
Name |
Type |
Descripton |
Default |
---|---|---|---|
Changed (outputs:changed) |
|
When the watched property changes signal to the graph that execution can continue downstream. |
None |
Property Name (outputs:propertyName) |
|
The name of the property on which the change was detected. |
None |
Metadata
Name |
Value |
---|---|
Unique ID |
omni.graph.action.OnObjectChange |
Version |
5 |
Extension |
omni.graph.action_nodes |
Has State? |
False |
Implementation Language |
C++ |
Default Memory Type |
cpu |
Generated Code Exclusions |
None |
uiName |
On USD Object Change |
Categories |
graph:action,event |
Generated Class Name |
OgnOnObjectChangeDatabase |
Python Module |
omni.graph.action_nodes |