On Sunday, January 31, 2010, Mårten Karlberg wrote: > Hello! > > Is it possible to access pixel values of wms-grid raster layers in > OpenLayers? What I want to do is to extract pixel values from a raster layer > where it intersect with a vector overlay. > I've tried figuring out the grid tile raster structure through the DOM tree, > but just don't get it. > Is this possible? If I understand HTML5 right something like this could be > achieved through the Canvas element (see e.g. http://www.pixastic.com/lib/), > but can it be done now, in present versions of OpenLayers?
No. You may be interested in this demo: <http://examples.maptiler.org/map-reprojection-html5-canvas/> Cheers, -- Eric Lemoine Camptocamp France SAS Savoie Technolac, BP 352 73377 Le Bourget du Lac, Cedex Tel : 00 33 4 79 44 44 96 Mail : eric.lemo...@camptocamp.com http://www.camptocamp.com _______________________________________________ Dev mailing list Dev@openlayers.org http://openlayers.org/mailman/listinfo/dev
