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Invent a post-rebuild tiled mapservice.

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09-05-2012 08:58 PM
Status: Open
UmbertoRaggiani
Deactivated User

The advantage of using tiled maps is because of speed, but it is only useful when underlying data doesn't change too much.  At present, most customers must re-render their tile-set when they know something substantial has changed. 

Esri should invent a TiledMap service mechanism that does the following :

1. give the existing tile(s) to the client, (asap)
2. the server re-renders the given tiles and compares the 2 bitmaps (look motion detection algo btw 2 bmp)
3. if there is a change,  overwrite the new tile
4. next time anyone accesses that tile, he/she gets the updated version.

You could improve this by checking the last modified time of the map tile.

it only re-renders the tiles that are often used, at a specific zoom level.

Regards
Frederic Poliart
fpoliart@esriaustralia.com.au