Hello,
I'm working on a project for which I need to use GMaps to display a
gigapixel photo.
We've made the page but a problem has recently showed up.
This is our page:
http://www.goaround.it/testmap.php
Go to the page and zoom in the image, you will see that the central
part of the photo works fine, while the upper and bottom stripes are
not loaded, even though they are partially displayed. If you move
towards one of these unshown parts nothing happens, while it is
reloaded if you move it out of the window and then go back to it.
This problem is systematic, if you keep moving and zooming the map,
then part of it ends up not being loaded at all.
The problem is even more evident in this page:
http://www.goaround.it/testmap.php?q=100
The page is identical but each image is loaded through a php page like
this one:
if (file_exists($filename)) {
$pimage = imagecreatefromjpeg($filename);
header('Content-type: image/jpeg');
imagejpeg($pimage, null, $q);
imagedestroy($pimage);
} else {
header("HTTP/1.0 404 Not Found");
}
This problem doesn't happen in other similar sites and it's driving me
crazy. This is an example: http://www.xrez.com
I don't know if the problem is caused by the Photoshop JPG images, by
a wrong server setting or a bad implementation.
I'm working on a Mac and I tested with both Safari 2.1 and Firefox 2
and 3, and the problem happens with a certain frequency.
Safari's activity monitor shows that the non-displayed images are
correctly loaded, but Gmaps doesn't show them.
Moreover, if just one tile is not loaded, if you keep moving the map
in the same direction you will see a black tile is repeated every once
in a while. But again, if you then go back the error isn't there
anymore.
Can anyone help me?
Thank you.
Andrea
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