> ### Creating a isocontour surface

> An other way to visualise the electrostatics grid are isocontour surfaces which connect all neighbouring points in the grid which have the same electrostatic value.
> We will now create such a isocontour surface:
> First find the "Datasets" widget, then highlight the FDPB dataset and use its context menu or the menu entry "Tools->Grids->Render Contour Surface" to create the surface.
> In the now open dialog enter the value 0.01 as threshold and press "OK".
> It also possible to create multiple iso surface with different colors.
> Press Next to continue.