Michael,
I had similar issues with our project.
Try using a BufferedLayer to contain your "Background" layers that don't
contain dynamic data.
For your layers, extend OMGraphicHandlerLayer.
Cheers,
David
--- "Dr. Michael Paus" <michael.paus_at_ibpaus.de> wrote:
> Hi all,
>
> I am currently struggeling with an OpenMap application with lots of layers
> which shows a very bad overall performance in the sense that after a
> projection change all layers are repainted but in such an uncoordinated
> way that many layers have to be painted several times until the
> application fianlly comes to a rest. I have seen complaints about this
> effect from other users before but I still have not found any solution
> proposal. I would like to do some of the following things:
>
> - Do not redraw until all layers are ready with their prepare().
> - Paint all layers in the correct order so that no layer has to be painted
> twice.
> - Do some more optimizations, e.g. if a raster layer covers the whole window
> there is no point in preparing and painting any layer below it.
>
> Does anybody have an idea of how to achieve this.
>
> Greetings
>
> Michael
>
>
> --
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>
----
David Ward
ROLANDS & ASSOCIATES Corporation
500 Sloat Avenue
Monterey, CA 93940
USA
Tel: 1.831.373.2025
Fax: 1.831.373.2841
Email: synriga_at_yahoo.com
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Received on Fri Oct 07 2005 - 10:54:28 EDT