Put the field_offset owl {0,0} directly into the function call

            field_scale = {{scales.x(), scales.y()}};

        }

        // Set the field offset to zero; weighting potential needs to be centered around electrode

        std::array<double, 2> field_offset{{0.0, 0.0}};

        // Set the field grid, provide scale factors as fraction of the pixel pitch for correct scaling:

        detector_->setWeightingPotentialGrid(field_data.getData(),

                                             field_data.getDimensions(),

                                             field_data.getSize(),

                                             field_mapping,

                                             field_scale,

                                             field_offset,

                                             {0.0, 0.0},

                                             thickness_domain);

    } else if(field_model == WeightingPotential::PAD) {

        LOG(TRACE) << "Adding weighting potential from pad in plane condenser";