On Dec 3, 6:07 pm, John Mick <[email protected]> wrote:
> I'll be leaving for the weekend in a few hours - when I leave today
> I'll clear out all my cache and make sure I am loading your SVG
> version test and let that run over the weekend, so we'll have several
> days of usage to look at on Monday.

Did anything crash ?

I added five copies of each poly to the test case.  I ran it overnight
on a very old computer.  It was still running in the morning with no
change in speed.

I have made several improvements.  SVG is the default.  I might
discard CANVAS.

Your application is fairly unique.  It helped me isolate & fix some
bugs.  It is not safe to simply rebuild dirty tiles.  It causes the
zIndex order to change.  Adjacent tiles with different zIndex orders
are apparent.  If a poly changes position, I have to do a full
rebuild.  I believe it is working now.

Your custom solution will provide the best performance.  Both
PolyCluster & the API build tiles to expedite dragging, panning &
zooming.  Since you are doing none, tiles are overkill for you.
PolyCluster builds an internal cache to reduce the effort to rebuild
tiles previously in view.  Again, because you quickly discard your
polys, an internal cache is overkill for you.

Thanks again for your help.

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