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 › Modifying field values for neighboring cells inside a postprocessor › Reply To: Modifying field values for neighboring cells inside a postprocessor August 22, 2024 at 9:12 pm #9144 AnonymousInactive Thank you for your assistance. FYI, the cell interface for cuda does also miss a getCellId() method which I added per your suggestion: CellID getCellId() const __device__ { return this->_iCell; }