The command line “cell elevation” provides an option to insert elevations at some or all cells (or elements) in the model domain. As outlined in the command reference, this is done by providing a csv file that lists the x and y coordinates of the specific cells, then the z values. xy coordinates (instead of the element IDs) are used in case element renumbering is performed as part of the mesh design, however if preferred cell IDs can be used.   More than one “cell elevation”