I've got a webpage with a fairly small window containing a Gantt chart timeline. As to not completely overload the user with all the items in the Gantt, it only shows the four items most relevant to the current timeframe.
However, when the user scrolls to see more, it is possible that they will scroll to a blank section of the chart. If a user scrolls directly down, they end up with a blank bit of page. Same if they scroll directly right. The Gantt moves down in a diagonal, but it is not a consistent angle.
Any suggestions on how to deal with this? I'm a programmer, and programmatically, I'm thinking of forcing the scroller to move to the right so the user will always have something on the screen. Is that bad?
The other thing I'm thinking of is a visual que of what direction they should scroll in for the Gantt bars.
It's a weird one that I'm hoping somebody has dealt with before.