[OpenLayers-Users] Multiple invoke by zoom, very bad performance

[johnalvarado]

Hi Marc, thank you very much for your attention.

The test is very simple:

in jsp: invke the map throughout servlet:

map = new OpenLayers.Map( 'map' );
                layer = new OpenLayers.Layer.WMS(
                "SampleWMS",
                "OpenlayerZoomMultipleInvoke",//invoke the serlvlet
                {layers: 'sea_ice_concentration_02'},
                {singleTile: true}

int the servlet: I catch the parameter (getParameter layer, bbxo, etc...)
and load the rul, for example:

url = server + request.getParameter("BBOX") + ....; and print a message:

System.out.println("invoke the map");

The message is print 2^n times (n = #zoom), ie: zoom=2 => message print 4
times...zoom=4=>16 times...

Thanks, Marck
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