Houdini Engine 1.9
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Global Time

For many geometry type assets, the time of evaluation doesn't matter. However, some other assets, such as one that encapsulates a physics simulation, or one that contains animation, would give different results depending on the time of evaluation. You can set and query the current time of evaluation with the following functions:

Timeline Options

You can change the global Houdini timeline settings, like FPS, start time, and end time, with these functions:

They both use the HAPI_TimelineOptions struct.