Due to recent bot attacks we have changed the sign-up process. If you want to participate in our forum please send a message via our contact form. › Forums › OpenLB › General Topics › How to use a SuperIdentity3D pointer to pass between two time step › Re: How to use a SuperIdentity3D pointer to pass between two time step June 12, 2017 at 4:58 pm #2640 mathiasKeymaster Dear Steed188, to store data you need to use a superData or superDataF class! Best Mathias