Hi, issuing getfeatureinfo on raster layer in geoserver returns pixel value of clicked point. Dont know if that is standard or not though... cheers
On Sun, Jan 31, 2010 at 11:45 AM, Mårten Karlberg <mortkarlb...@gmail.com> 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? > > (Sorry if this topic has been discussed before, but the mailing list search > engine only return error 500). > > Thanks in advance! > > /Mort Karlberg, Sweden > > _______________________________________________ > Dev mailing list > Dev@openlayers.org > http://openlayers.org/mailman/listinfo/dev > > -- Ivan Grcic _______________________________________________ Dev mailing list Dev@openlayers.org http://openlayers.org/mailman/listinfo/dev
