[OpenLayers-Users] KML / Vector Performance

[Eric Lemoine]

Hi. Is your data served by some web service like WFS or is it just
static data (file)? From what I understand from your email, your data
is just represented in a KML file. In that case, for performance
reasons, you'd better include in the KML file only the data that you
want visible in the OpenLayers map. Cheers. Eric

2008/9/12, Frank Broniewski <brfr at metrico.lu>:
> Hi List,
>
> I have a question regarding the use of vector data in KML. I am planning to
> use KML data to display routes I am frequently travelling.
>
> Now the question that bothers me is how to arrange my data. Can I just put
> all
> my routes into one KML file and Openlayers just renders the routes in the
> current map extent? Same question with locations.
> Or is it better to have just the data for the intented map extent in a file
> because openlayers draws everything in the file despite not being displayed
> in the current map extent?
>
> I guess the same is true for WFS data, as the same rendering engine is used?
>
> Many thanks for some enlightenment.
>
> Frank
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