[OSM-dev] Slippy map and zoom

John McKerrell john at mckerrell.net
Thu Feb 14 14:15:44 GMT 2008


For these features, and more, head over to http://johnmckerrell.com/ 
map/#t=mapnik ;-)

John

On 14 Feb 2008, at 14:08, Robert (Jamie) Munro wrote:

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> Tom Hughes wrote:
> | In message <Pine.LNX.4.64.0802141201220.13951 at localhost.localdomain>
> |         Lars Aronsson <lars at aronsson.se> wrote:
> |
> |> When I use the scroll wheel to zoom in and out of the slippy map,
> |> whether on www.openstreetmap.org, maps.yahoo.com, or
> |> maps.google.com, the screen goes blank for a short while before
> |> the tiles of the new zoom level arrive.  At Google Maps, some red
> |> corners move about showing whether I'm zooming in or out.
> |>
> |> Would it be possible, in JavaScript, to show the existing tiles,
> |> rescaled by the browser, until the new tiles arrive?
> |
> | When OpenLayers can do that, then yes we will do it. As it happens
> | that is going to be in the next release I believe.
> |
> |> If this was possible, I guess the browser could also emulate finer
> |> grades (half-levels) of zooming.  It would make for a less bumpy
> |> user experience.
> |
> | That is also something that the next release of OL is expected to
> | be able to do I believe.
>
> While we are at it, please can we add a draggable zoom indicator  
> thing,
> like on every other online map that exists (including our own maps at
> http://informationfreeway.com/, http://tiles.openstreetmap.nl/,
> http://www.frankieandshadow.com/osm/ and other probably places).
>
> Robert (Jamie) Munro
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