Mesh zones and Mesh level zones are available to change ground level values for the contained 2D meshes, but it will require re-meshing. If we can select 2D meshes by the polygon selection or selection tool and change the mesh elevation values without re-meshing, it will be quite useful, especially when re-meshing is time-consuming.
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This is already possible for use with updated mesh zones, mesh levels zones or a different ground model using the Model > Meshing > Resample 2D Zone Elevations.