• Demo vector field generator paired with makeDemoScalarField. Produces a simple natural-convection field: updraft over the plume, floor inflow, and ceiling outflow.

    Used by the Toolbar's Volume Overlay button when no vector field is supplied.

    Parameters

    • min: [number, number, number]
    • max: [number, number, number]
    • resolution: [number, number, number] = ...

    Returns VectorGrid