I'm still struggling with this. I cannot change the resolution in tilecache or openlayers without interfering with my main map and causing shifted/incorrectly positioned data. I changed the overview to use the isSuitableOverview function as well but this has not solved the problem.
OL: var options = {controls:[], maxExtent:new OpenLayers.Bounds(-180, -90, 180, 90), resolutions: [0.3515625,0.17578125,0.087890625,0.0439453125,0.02197265625,0.010986328125,0.0054931640625,0.00274658203125,0.001373291015625,0.0006866455078125,0.00034332275390625,0.000171661376953125,0.0000858306884765625,0.00004291534423828125], restrictedExtent:new OpenLayers.Bounds(-180, -90, 180, 90)} var ovOptions = {isSuitableOverview: function() {return true;}, mapOptions:{maxExtent:new OpenLayers.Bounds(-180, -90, 180, 90), numZoomLevels:1, maxResolution:2.0}} var map = new OpenLayers.Map('map', options); var ovm = new OpenLayers.Control.OverviewMap(ovOptions); map.addControl(ovm); TC: [basic] type=WMS url=http://host/cgi-bin/mapserv?map=/path/to/maps/WMS.map& layers=worldCountriesPolys,mexico_states_poly,mexico_states_line,us_states_poly,us_states_line bbox=-180, -90, 180, 90 resolutions=0.3515625,0.17578125,0.087890625,0.0439453125,0.02197265625,0.010986328125,0.0054931640625,0.00274658203125, 0.001373291015625,0.0006866455078125,0.00034332275390625,0.000171661376953125,0.0000858306884765625,0.00004291534423828125 I get the usual resolution index error: An error occurred: can't find resolution index for 2.000000. Available resolutions are: [0.3515625, 0.17578125, 0.087890625, 0.0439453125, 0.02197265625, 0.010986328125, 0.0054931640625, 0.00274658203125, 0.001373291015625, 0.0006866455078125, 0.00034332275390625, 0.000171661376953125, 8.58306884765625e-05, 4.291534423828125e-05] and I understand why it happens, but if I cannot change the resolution in openlayers or tilecache I do not see how to resolve this. -- View this message in context: http://www.nabble.com/Overview-map-resolution-difficulties-tp17936211p18019995.html Sent from the OpenLayers Users mailing list archive at Nabble.com. _______________________________________________ Users mailing list Users@openlayers.org http://openlayers.org/mailman/listinfo/users