That's because there isn't one in the ImageMapType object. You'll have to use a custom overlay such as http://search.missouristate.edu/map/mobile/examples/tileoverlay.js
Chad Killingsworth On Feb 8, 6:36 pm, Steve D <bigd...@gmail.com> wrote: > I'm in the process of learning my way around javascript and the google > maps API. Decided to go the route of using the V3 since it appears to > have everything I need, while being much more readable. > > The only thing I *think* I'm missing now is being able to set the > opacity of my tile layers. > > My test case code is basically from this > example:http://code.google.com/apis/maps/documentation/v3/examples/maptype-tr... > > Modified to work with the png tiles I've created. They show up and > all, and it looks quite nice, except that I can't set the opacity of > the tiles, as unlike the roads in the example code, my tiles cover > large blobs of area and it really would be beneficial if I could see > the detail through them. > > As I don't have the data on web server, here's the relevant code: > > var coverage = new google.maps.ImageMapType({ > getTileUrl: function(coord, zoom) { > return "Z" + zoom + "/" + coord.y + "/" + coord.x + ".png"; > }, > tileSize: new google.maps.Size(256, 256), > isPng: true > }); > > var map; > function initialize() { > map = new google.maps.Map(document.getElementById("map_canvas")); > map.setCenter(new google.maps.LatLng(54.1296766, -120.9375000)); > map.setZoom(6); > map.setMapTypeId('satellite'); > map.overlayMapTypes.insertAt(0, coverage); > } > > My example from v2 would have something like > testlayer.getOpacity = function () {return 0.39;}; //of the non > transparent part > > I can't seem to find the equivalent function in v3 in the reference. > > Thanks in advance, > > -Steve D -- You received this message because you are subscribed to the Google Groups "Google Maps JavaScript API v3" group. To post to this group, send email to google-maps-js-api...@googlegroups.com. To unsubscribe from this group, send email to google-maps-js-api-v3+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-maps-js-api-v3?hl=en.
