[news.eclipse.tools.gef] Re: 6000 nodes, 34 seconds to load diagram.

[vijay.rajonline@xxxxxxxxx (vijay )]

Actually i also have the same problem...

I think the question will be how to manage a heavy graphical activity by 
showing some progress information...

Since there is only one GUI thread even a UIJob wont help.... 

Steve Jones wrote:

> Hi,

> I'm using ScrollingGraphicalViewer to display a diagram of 6000+ nodes.

> I use XYLayout, each node is positioned as if in a list with a row 
> height of about 50 pixels.

> My problem is that the diagram is taking ages to load. Using log4j the 
> breakdown of the time needed to display 6000 nodes is:

> Load model from file    1s
> Create all edit parts   5s
> **Unexplained delay**   10s
> Draw2d layout           18s

> Total delay             34s

> I cannot explain the 10 second delay I get between the last edit part 
> being created and the first IFigure#layout call.

> The figure associated with each edit part uses several nested panels 
> each with it's own toolbar layout. Is this why the layout is taking so long?

> I'd like to get the load down to between 5 and 10 seconds is this 
> possible or am I dreaming?

> Any suggestions would be most welcome.

> Thanks, Steve.