# IRsProceduralStreamEvaluator Interface Reference

Inherits IUnknown.

List of all members.

## Public Member Functions
HRESULT | CalculateProceduralStream (IRsGenStream *pProceduralStream)

## Detailed Description

IRsProceduralStreamEvaluator is an interface for procedural stream evaluation.

Procedural streams are IRdMesh streams that are calculated when they are locked for the first time. Evaluation of the locked stream is performed by stream evaluator which receives procedural stream as input.

## Member Function Documentation

HRESULT IRsProceduralStreamEvaluator::CalculateProceduralStream | ( | IRsGenStream * | pProceduralStream | ) |

Called to calculate specified procedural stream.