Have you tried MOpacityControl? http://maps.forum.nu/gm_custom_controls.html
Also implemented here: http://maps.forum.nu/gm_main.html?lat=37.649034&lon=-96.855469&z=4&mType=17 -- Marcelo - http://maps.forum.nu -- On Jun 25, 4:17 pm, Joe <[email protected]> wrote: > I have a map that contains, at the moment, 17 large tile layers likely > with more to come. I need to have an opacity slider on my map that > changes the opacity for all of the tile layers at once. > > I have tried > using:http://www.maptiler.org/google-maps-overlay-opacity-control/ > > I looks nice and works great - for one overlay. But for 17, it runs > so slow that firefox asks me if I want to continue running the > script. So, I tried to implement this: > > On Aug 19 2008, 1:04 pm, bratliff <[email protected]> wrote: > > > > > map.addOverlay(whatever); > > map.getPane(1).lastChild.id="yourdaddy" > > var div=document.getElementById("yourdaddy"); > > > // For FF & others > > > div.style.opacity=whatever; > > > // For IE > > > div.filters.alpha.opacity=Math.round(100*whatever); > > > For IE, you will have to prime the pump with: > > > div.style.filter="alpha(opacity=100)"; > > > Otherwise, "div.filters" will be undefined. > > > I believe "div.style.MozOpacity" is now obsolete. > > from this thread: > > http://groups.google.com/group/Google-Maps-API/browse_thread/thread/b... > which I can't reply to... is it closed? (I'm new here) > > Anyway, it works great, and instantly in FF. I can even have it > adjust all 17 as I slide the slider, but I can't figure out how to do > it for IE and this isn't working: > > function setO(i, level) { > var div=document.getElementById("overlay_id_"+i); > // For FF & others > // div.style.opacity=level; > // For IE > div.style.filter="alpha(opacity=100)"; > div.filters.alpha.opacity=Math.round(100.0*level); > > } > > The first time this function is called in IE, all of my png tiles just > vanish. I'm not exactly the expert on opacity in IE. Any ideas? --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Maps API" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/Google-Maps-API?hl=en -~----------~----~----~----~------~----~------~--~---
