[OpenLayers-Users] Rendering/Requesting order of layers

[Markus Spring]

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Hello list,

at the moment I am working on a bicycle routing application where OL does the
rendering part.

public beta: http://mx004.mdeport.de/cgi-bin/Radlrouting (german only, but to
test just put some letters in the start/ziel input fields and press enter)

I have the background map as my base layer (through ka-map) and the dynamically
generated route as an overlay.

As the rendering of the baselayer can get pretty slow, at the current
configuration the user (especially on a telephone line) is left with a slowly
updating map where the route is drawn *last*.

Is there any possibility to give an earlier feedback about the route to the
user, like drawing the route first and the basemap afterwards, and then putting
the route on top again, so having the baselayer sandwiched between the routes?
Or do I have to make the route the baselayer and the background map the
transparent overlay?

Any advice is welcome.

Markus
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