AW: performance issue with multiple data

  • To: "'Steve Emmerson'" <steve@xxxxxxxxxxxxxxxx>
  • Subject: AW: performance issue with multiple data
  • From: Mathias Stümpert <atzes@xxxxxx>
  • Date: Mon, 8 Oct 2001 18:24:41 +0200
Thanks Steve for your suggestion but I don't think that will help. Even
than I would have to redraw all DataReferences in order to refresh the
Display. I would need a way to redraw only one DataReference instead of
all. I experimented with Display.disableAction(). So I can prevent the
display to render the data every time a change is done. But now I need a
method to explicitly render one DataReference or to prevent the other
DataReferences from rendering. I think something like
DataRenderer.disableAction() with different DataRenderers for the
different DataReferences would do the job. Unfortunately I could not
find such a method :( Perhaps overwriting the DataRenderer.doAction()
method would be a good idea?

Any other idea would be appreciated.

Cheers, Mathias

> Perhaps if you divided the problem into immutable GeoLocation data
> (always drawn in blue) and mutable selected data (always drawn in red
> and whose data reference is added after that of the immutable data)?

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