Does anyone know of a page or an example where this is done with PHP? Makes sense but I haven't done much PHP.
Thanks On Jul 28, 11:40 pm, Martin™ <warwo...@gmail.com> wrote: > Why not make all tile requests to a PHP script? > > The script can check if the requested tile exists. > If the tile exists then the script can return it to the map, otherwise > it can return a blank transparent tile. > > http://php.net/manual/en/function.file-exists.php > > http://www.php.net/manual/en/function.file-get-contents.php > > A transparent 1 x 1 pixel PNG image can be used where there is no tile > and that could be as small as 95 bytes: > > http://code.martinpearman.co.uk/deleteme/transparent_1x1.png > > Martin. > > On Jul 28, 1:28 pm, Jason <jason.wool...@gmail.com> wrote: > > > I'd really like to know a fix for this too. It's been a problem for me > > for quite a while and I can't easily get write permission > > to .htaccess. > > > On Jul 27, 1:46 pm, Kesuke <nick_dai...@hotmail.com> wrote: > > > > I am using custom tile overlays on a map. To fetch the tiles I use the > > > generic method: > > > > function createImageMapType(id, opacityvalue) { > > > return new google.maps.ImageMapType({ > > > getTileUrl: function(coord, zoom) { > > > return "/tiles/" + id + "/"+ zoom + "_" + coord.x + "_" + > > > coord.y + ".png"; > > > }, > > > tileSize: new google.maps.Size(256, 256), > > > isPng: true, > > > opacity: opacityvalue > > > }); > > > } > > > > Here is the problem: My map uses lots of transparent PNG tiles, and > > > infact some tiles are completely transparent. So rather than have > > > thousands of 3kb empty PNG files, I just don’t have those tiles. > > > > This works but it technically generates a lot of 404 bad request > > > errors. An average user visit can make as many as 300 bad requests. > > > This really hurts page load time and also looks bad for search > > > engines. > > > > So, does anyone have an idea how I could only fetch tiles that > > > actually exist? > > > > One other idea I have had is could I setup an .htaccess rule that > > > redirects to a universal empty PNG file for any tile that can’t be > > > found (so it doesn’t return a bad request). > > > > I don’t want to generate empty tiles as I have over 130 custom tile > > > overlays for zoom levels 1 through 5. Just at zoom level 5 that would > > > be something like 140,000 files and my server is limited. -- 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-v3@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.
