Tile layers can be a lot of work to get setup. Here's a good
description of the process that should answer a lot of your questions:
http://mapki.com/wiki/Automatic_Tile_Cutter

As far as creating the tiles are concerned, it's the same process for
a V2 or a V3 map.

Chad Killingsworth

On Mar 17, 1:24 pm, "Ahmet" <[email protected]> wrote:
> Thank you.
> I think that I am missing some crucial information here.
>
> Do I, using the Lat/Lon limits of my overlay map, create my own images for
> EACH zoom type ?
> Based on the Google world coordinate system ?
> Let's assume that I have an image that is 1000 by 1000 pixels and is between
> (44 , 45) lat and (70 , 71) lon
> I don't want to show it between .  zoom level 6 and 17
> So now I have to create 11 sets of 15 tiles ?
>
> In the missouristate example, one of the tiles 
> is:http://search.missouristate.edu/map/tilesets/baselayer/15_7893_12731.png
> I understand the zoom level, but not sure about the 7829 and 12731.
>
> I presume I leave the areas I have no maps blank ?
> the website returns "blanktile.png" if it is not matched. How does that work
> ?
>
> Thanks you
> Ahmet
>
> ----- Original Message -----
> From: "Chad Killingsworth" <[email protected]>
> To: "Google Maps JavaScript API v3" <[email protected]>
> Sent: Wednesday, March 17, 2010 12:36 PM
> Subject: [Google Maps API v3] Re: Chart Overlay Tiles .. Best approach
>
> http://search.missouristate.edu/map/mobile/examples/tileoverlay.htm
>
> Chad Killingsworth
>
> On Mar 17, 11:24 am, "Ahmet" <[email protected]> wrote:
> > I think I answered my own question:
> > "There is a ImageMapType class that seems to be designed for this
> > purpose."
>
> > Now.. I could not find any (short) examples of the ImageMapType class.
> > Anybody knows where ?
> > Thanks
> > Ahmet
>
> > ----- Original Message -----
> > From: "Ahmet" <[email protected]>
> > To: <[email protected]>
> > Sent: Tuesday, March 16, 2010 5:15 PM
> > Subject: Chart Overlay Tiles .. Best approach
>
> > > Ok, let's assume that I would like to overlay my own chart.
> > > My original charts are about 10000 pixels by 10000 pixels += 50%
> > > In order to stop the browsers to go bananas, I split them up into tiles,
> > > of say, 600 by 600.
> > > This is done in advance, not on-demand.
>
> > > Each chart has their corresponding lat/lon bounds
> > > then as the user pans or zooms, I figure out which charts are
> > > (partially)
> > > visible, and create overlays with them.
> > > The charts that are completely out of bounds I destroy and remove from
> > > my
> > > list, (leaving some margin)
>
> > > Does this make sense ?
> > > Is there an example of this method ?
>
> > > Is there any other method that should be used, perhaps by
> > > utilizing/matching the Google tile sizes ?
>
> > > Thanks
> > > Ahmet
>
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