Also take a look at: http://code.google.com/apis/maps/documentation/javascript/reference.html#MapCanvasProjection
On Fri, Oct 15, 2010 at 9:58 AM, Nathan Raley <nlrale...@gmail.com> wrote: > I could go very in depth with this but I found an article that more or less > sums it up. Take a look here and let me know if you have any questions. It > is one for bing maps but it uses the same projection so you can use the same > code: > http://msdn.microsoft.com/en-us/library/bb259689.aspx > > <http://msdn.microsoft.com/en-us/library/bb259689.aspx>Google's API has a > lot of these functions built in to it so you can retrieve them a lot easier. > But the math stays the same. > > Let me know if you have any questions. > > > On Fri, Oct 15, 2010 at 9:55 AM, spyro.boy <spyro....@gmail.com> wrote: > >> yes, very much. I've tried all sorts of things and I've pretty much >> given up, but if you can help, it'd be very much appreciated. >> >> On Oct 14, 10:33 am, Nathan Raley <nlrale...@gmail.com> wrote: >> > Are you having problems with the conversion from lat/lng to Pixel X,Y >> and >> > Tile X,Y? If so let me know and I can offer some help. >> > >> > On Wed, Oct 13, 2010 at 4:20 PM, spyro.boy <spyro....@gmail.com> wrote: >> > > alright so, since posting I've tried my hand at this and the code >> > > seems different. I'll just re-establish things in a clearer way. >> > >> > > I've generated a set of 256x256 tiles from a very large image (approx. >> > > 7000x3000) . the file naming convention is tile-ZOOM-X-Y.png. getting >> > > the google maps api to display these tiles as a base map wasn't >> > > difficult. >> > >> > > the things I'm trying to accomplish now is figuring out how to center >> > > the map based on a pixel coordinate of the original image (i.e. the >> > > 7000x3000 unsplit image) mapped to the tiled google map. >> > >> > > a second thing I'd like to figure out is how to stop the map from >> > > going into areas that tiles don't exist. if this has to be controlled >> > > by a constant, that's fine. i.e. if I have 50 tiles width-wise, I >> > > don't want it to move past the 50th tile, or past the 0th tile. same >> > > with the vertical. >> > >> > > I've put a conditional in the getTileUrl that just checks if coord.x >> > > (or y) is less than 0, but internally the google map still thinks it's >> > > in the negative range. I can't imagine moving back into the the >> > > positives will do any good with that conditional in place. >> > >> > > I've read the API reference and the tutorials and none of it seems >> > > very clear to me. >> > >> > > -- >> > > 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<google-maps-js-api-v3%2bunsubscr...@googlegroups.com> >> <google-maps-js-api-v3%2bunsubscr...@googlegroups.com<google-maps-js-api-v3%252bunsubscr...@googlegroups.com> >> > >> > > . >> > > For more options, visit this group at >> > >http://groups.google.com/group/google-maps-js-api-v3?hl=en. >> >> -- >> 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<google-maps-js-api-v3%2bunsubscr...@googlegroups.com> >> . >> For more options, visit this group at >> http://groups.google.com/group/google-maps-js-api-v3?hl=en. >> >> > -- 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.
