Do you need to do any local manipulation of the data? If not, you could set up different WMS layers that have the different combinations of layers that you need to display, then choose which combination you want to display using layer visibility.
>>> "Lee M." <[email protected]> 25/09/2012 2:44 p.m. >>> but then the layers will not be displayed at the same time. it will be gradually which is not good for me. thay have to be displayed at the exact same time -- View this message in context: http://osgeo-org.1560.n6.nabble.com/Control-visibility-of-multiple-layers-tp5004368p5004377.html Sent from the OpenLayers Users mailing list archive at Nabble.com. _______________________________________________ Users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/openlayers-users This email and any attachments are confidential and intended solely for the addressee(s). If you are not the intended recipient, please notify us immediately and then delete this email from your system. This message has been scanned for Malware and Viruses by Websense Hosted Security. www.websense.com _______________________________________________ Users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/openlayers-users
