actually - we found a solution using this that we'll post a url for
later
On Sep 9, 7:52 am, PaulBerry <[email protected]> wrote:
> hey guys - the problem is, 10+ second load time for building themap
> is never going to make anyone happy
> it seems like the method of having the maps summarize points is not
> really a high performance solution in
> the end. is there a way to ajax load the secondary point data so that
> themapbuild is super fast?
>
> for an example of what i mean by "high performance" thismapwe built
> (with tiling, not points)
> loads hundreds of thousands of points in 3-4
> secondshttp://fundrace.huffingtonpost.com/
>
> know what i mean?
>
> avaaz is fighting a similar problem here:http://www.avaaz.org/en/sept21_hosts/
>
> its ok because the rest of th epage loads quickly, but its not relaly
> that ok to have a 15+ second load time
>
> On Aug 30, 5:00 pm, richard <[email protected]> wrote:
>
>
>
> > On Jul 23, 3:24 pm, Mike Williams <[email protected]> wrote:
>
> > > It looks like you're preloading the infowindow contents before creating
> > > themap. Your infowindows contain huge images which are then scaled
> > > down. E.g.
>
> > > http://www.sundialsociety.org.uk/images/Kent/S3009.jpg
>
> > > is 685kb. Themapdoesn't get loaded until the "onload" event triggers,
> > > which occurs after all those 15 large images have been fetched.
>
> > > You endupdisplaying the image at 300x225 pixels, so you could save a
> > > lot of time by creating images of that size rather than 1648x2331. On a
> > > slow connection that could take quite a while.
>
> > > Skipping the preloading of the infowindow contents would also allow the
> > >mapto display earlier in the proceedings. The downside would be that
> > > there would be the normal slight delay the first time each infowindow is
> > > opened as the image gets fetched, rather than the current instantaneous
> > > photo display.
>
> > > The underlay trick should work as long as yourmapdiv with underlay
> > > appears before you start preloading the infowindow contents, which
> > > appears to be the way you've got it configured. I don't know why that
> > > wouldn't work unless you repositioned yourmapdiv at the same tile that
> > > you added the underlay image.
>
> > > --
> > > Mike Williamshttp://econym.org.uk/gmap
>
> > Many thanks for that Mike. I changed the width to 400 (as per the
> > other images in the site) and the reportedloadingtime went down from
> > 60-90 seconds to about 20 seconds. We are likely to haveupto 20
> > sundials in one location (e.g. mass dials scratched on church walls)
> > in the longer term, so populating the info windows at the time they
> > open is probably the way to go for the future.
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