Sorry, didn't mean to be a wiseguy Marcello :)

Think ill be implementing the clientside solution for our MapServer, any
possible reduction on load it a welcome one :)


2010/2/21 Marcelo <marcelo...@hotmail.com>

> On Feb 21, 1:41 pm, Björn Brala <bbr...@gmail.com> wrote:
> > It seems tho that the tiles are loaded even when the layer is hidden.
> Sure
> > its fast when you click, but it might slow down other donwloads
>
> Yeah, yeah... I know that, but it's only a transparency demo, not an
> application on a production site.
>
> --
> Marcelo - http://maps.forum.nu
> --
>
>
>
>
>
> >
> > 2010/2/21 Marcelo <marcelo...@hotmail.com>
> >
> >
> >
> >
> >
> > > On Feb 12, 2:53 am, Steve D <bigd...@gmail.com> wrote:
> > > > I realized I needed to deal with missing tiles. (I'm guessing
> > > > your cgi script is doing that for you)  Anyway, this seemed to get
> rid of
> > > > the little red x's that were showing up all over my map:
> >
> > > > tile.onerror = function(){this.onerror=null; this.src='./none.png';};
> >
> > > Steve,
> >
> > > Yes, my CGI script serves a blank tile when the requested tile is not
> > > found on disk.
> > > However, I like your client side solution, as it would allow the
> > > single blank tile to be cached and reused by the browser.
> >
> > > --
> > > Marcelo -http://maps.forum.nu
> > > --
> >
> > > > -Steve D
> >
> > > > On Thu, Feb 11, 2010 at 12:41 AM, Marcelo <marcelo...@hotmail.com>
> > > wrote:
> > > > > On Feb 10, 5:43 pm, Steve D <bigd...@gmail.com> wrote:
> > > > > > Doesn't currently work in Opera 10.10, though it does look nice
> > > Firefox
> > > > > > 3.5.7.  I'm thinking I might just go back to v2 though.
> >
> > > > > It now works on Opera 10.10 as well. I'd be interested to hear from
> > > > > anyone using Safari on a Mac.
> > > > >http://maps.forum.nu/v3/gm_customTiles.html
> >
> > > > > --
> > > > > Marcelo -http://maps.forum.nu
> > > > > --
> >
> > > > > > -Steve D
> >
> > > > > > On Wed, Feb 10, 2010 at 4:34 AM, Marcelo <marcelo...@hotmail.com
> >
> > > wrote:
> > > > > > > Custom overlays with opacity here:
> > > > > > >http://maps.forum.nu/v3/gm_customTiles.html
> >
> > > > > > > Only tested in Chrome 3, FF 3.011 and IE7 so far.
> >
> > > > > > > --
> > > > > > > Marcelo -http://maps.forum.nu
> > > > > > > --
> >
> > > > > > > On Feb 9, 4:43 am, Steve D <bigd...@gmail.com> wrote:
> > > > > > > > Ahh, thanks!
> >
> > > > > > > > -Steve D
> >
> > > > > > > > On Mon, Feb 8, 2010 at 6:09 PM, Chad Killingsworth <
> >
> > > > > > > > chadkillingswo...@missouristate.edu> wrote:
> > > > > > > > > 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
> >
> > > > > > > > > --
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> > Bjorn Brala
> > ----------------www.GeoStart.nl/english/- Google maps - Swis
> Webdesignwww.twitter.com/bbrala
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-- 
Bjorn Brala
----------------
www.GeoStart.nl/english/ - Google maps - Swis Webdesign
www.twitter.com/bbrala

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