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Adding a BBOX strategy. This triggers requests for data within a bounding box. When the map bounds invalidate previous data bounds, another request is issued. Reads are triggered with a spatial filter, and protocols that understand how to deal with filters may serialize the filter to request a subset of the data collection. The HTTP protocol understands one filter - the bbox filter. So the BBOX strategy can be used in conjunction with the HTTP protocol to request data via http in a bounding box. Thanks for the collaboration and tests Eric. r=elemoine,crschmidt (#1731)

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@8000 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
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Tim Schaub
2008-09-11 17:39:41 +00:00
parent 1662f2adba
commit 33fbc1d22f
7 changed files with 484 additions and 0 deletions
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lib/OpenLayers.js
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@@ -185,6 +185,7 @@
"OpenLayers/Layer/Vector.js",
"OpenLayers/Strategy.js",
"OpenLayers/Strategy/Fixed.js",
"OpenLayers/Strategy/BBOX.js",
"OpenLayers/Protocol.js",
"OpenLayers/Protocol/HTTP.js",
"OpenLayers/Layer/PointTrack.js",