BUG : Thread-Safe of otbGenericRSTransform
otbGenenirRSTransform used into otbSARDEMGridImageFilter and otbSARDEMPolygonsAnalysisImageFilter to reduce input size (DEM).
The function TransformPoint is called into ThreadedGenerateData and seems to create sometimes a Seg Fault => Thread-Safe?
Maybe, try to call directly the projection from ossimSarSensorModel.