[OpenLayers-Dev] Doubts about GeoRSS

[Christopher Schmidt]

On Thu, Sep 04, 2008 at 08:18:13AM +0200, Gorka López Rivacoba wrote:
>  Hello,
> 
> In my project I have to load a lot of information to a map. I prove with
> some solutions and we decide to use GeoRSS, but I have some questions about
> this type of layer
> 
>    1. When I load information with this method, when I click in one of these
>    points, the popup resizes. When you click twice the popup is bigger and so
>    on.

This is fixed in what will soon be OpenLayers 2.7.

> 
>    1. When two points are too close, the icons are overlap. I try to do
>    something like this (http://www.afcomponents.com/components/umap_as3/),
>    that when two points are too close, it only appears an icon and when you
>    click on it, a popup with two tabs is shown. To do this, I cannot use
>    GeoRSS. I think about this problem and II think a possible solution is: I
>    have to read the georss.xml document and look for close points, and then
>    generate a marker with two or more tabs.

Sure; keep in mind that OpenLayers doesn't support 'tabs' natively in
popups, so you'll be rolling your own in that regard.

> 
> 
>    1. If I have a lot of entries, the performance of the application
>    is very slow. I think in a solution, the client sends to server the
>    location and the zoom, and the server reads the entire document but
>    only returns a document with the entries referred to the client's
>    location and zoom.

Yep, that's typically the solution to that problem.

> Is there something done like this? Have you any other solution to these
> general problems?
Nope. You covered them all.

Regards,
-- 
Christopher Schmidt
MetaCarta