Hi Pete,

Thanks for responding.

I think I might not have made myself clear. The missing parts were present and visible. Then when I changed view from one time period to another, they vanished.

So there one moment, gone the next.

There wasn't a gap because the server changed and it had nothing to plot. It was plotting along fine. It was changing the view (e.g. from 48 hours to 6 hours) that caused the image to disappear.

Cheers,
Sim