with regard to the MapCanvasProjection object, I'm not sure how to use it. I've seen it used in other posts but I could never get it working. mind helping me with that much before I try my hand with what I've read in the article you linked?
On Oct 15, 11:01 am, Nathan Raley <nlrale...@gmail.com> wrote: > And more towards what you are looking for do a serach for: > MapCanvasProjection object specification > > In the google documentation. It shows you some of the translation > functions. > > On Fri, Oct 15, 2010 at 9:59 AM, Nathan Raley <nlrale...@gmail.com> wrote: > > Also take a look at: > > >http://code.google.com/apis/maps/documentation/javascript/reference.h... > > > 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.
