[mapserver-users] Question on the layer order impact in a
kobben at itc.nl
Fri Dec 4 04:42:51 EST 2009
The WMS GetMap interface standard requires layers to be drawn in order
(bottom to top) they appear in the LAYERS= statement in the request. So that
overrides the order in the MAP file...
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On 03-12-09 21:59, "Martin Ouellet" <geomartino at gmail.com> wrote:
> The mapserver doc specified that the layer are drawn in their order of
> appearance in the MapFile (first layer is at the bottom, last is on top).
> Extract from: http://umn.mapserver.ch/MapServer/en/layer.htm
> So I wonder why the map is different if I change the order of the layers
> (CEHQ_STATION_CEHQ_NIVEAU_NIV2 = point layer and CEHQ_BASSIN_N1_NIVEAU =
> polygon layer) in the call?
> Should Mapserver generate the map considering the layer order in the mapfile
> (bottom to top) and not with the order in the URL call?
> With this call, the polygon are on top:
> With this call, the point are on top (which I would like to have always)
> Do I forgot something?
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