[OpenLayers-Users] Move to Openlayers

George Mu'ammar George at muammar.net
Wed Jan 7 06:34:46 EST 2009


It's a probably a WMS based solution....
-- 
George


Quoting Peesjee <openlayers at tauris.be>:

>
> Hi,
>
> Let me explain my situation. I recently created an website showing current
> positions of ships with googlemaps. For a couple of reasons, we want to
> migrate to another solution. One of the reasons is performance. With
> googlemaps, i parse an xml (given by a webservice) and add/update markers
> for every ship to show. This slows down with the number of ships to show
> (example, sometimes we show more than 500 ships). To be honest, i'm not sure
> this is a good way to work...
>
> We are in contact with a company that offers a solution for us. They use
> Openlayers. We have seen a demo and its very fast. I dont think they add
> "markers" for every ship. Cause, when i zoom, the object also zooms, and
> then refresh to the correct size it was before. How do they do that? Its
> extremely fast, less than a second to show a 1000 of objects on a map.
>
> i'm given the task to investigate the possibilities of Openlayers, and
> decide whether we can implement everything ourselfs (with openlayers), or
> just buy the solution of that company. i'm afraid that, with my "solution",
> adding so many markers, the website would'nt be that fast.
>
> What is the best way to put 500 - 1000 "markers" on a map? (and refresh,
> when refreshing in googlemaps, i had to update the marker-objects to prevent
> flickering) Sometimes a have to draw lines between them (tracking). (i know
> of the image caching problem in IE)
>
> I see i can add Markers, GML, geoRSS. So, which one do i use? i could create
> a webservice that gives me a GML, so i only have to load it, but is this
> fast? or do i use my googlemaps way, adding markers and updating those
> markers (slow)?
>
> Greetz
> Peesjee
>
>
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>
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