SelectRange Widget breaks continuous surface

To: visad-list@xxxxxxxxxxxxx
Subject: SelectRange Widget breaks continuous surface
From: Ugo Taddei <p6taug@xxxxxxxxxxxxxxxxx>
Date: Mon, 26 Apr 1999 13:03:33 +0200

Hi,

When I move the slide bars of the SelectRangeWidget my (continuous)
surface breaks up into points.
It this the nature of the SelectRange idea or have I written something
wrong?

Any ideas?

Thanks,

Ugo