We should keep this on the email list ...

On Mon, Feb 22, 2010 at 6:45 AM, Frank Gasdorf
<[email protected]> wrote:
>> uDig tries to pay careful attention to what GeoWebCache says it is doing
>> with respect to coordinate reference system. If both the map display and the
>> geowebcache are in 4326 then no scaling should occur.
>
> I used a simple countries shapefile, added it (EPSG:4326) as an datastore to
> a geoserver workspace. Works fine ;) On client side the map is configured to
> use EPSG:4326 ether.

I do not have a geowebcache at the moment; does not one come with a
geoserver install these days?

To confirm the code is still working I used this WMS-C service:
- 
http://labs.metacarta.com/wms-c/tilecache.py?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetCapabilities&tiled=true

(from the data wiki page).
>>
>> Please note that uDig *will* allow you to choose any zoom at all; so the
>> closest set of tiles will be featch and stretched onto the screen. If the
>> CRS is the same this should just amount to a change of scale; and not a
>> stretch or sheer.
>
> Is there an additional UI tool to select only provided scales? Are the scale
> levels for all cached services equal? I didn't read the standard to now...
>
The scale levels are shown at the bottom of the screen; you can click
to pull up a list of the common scales. The list is taken from the
current layer if available.

>> uDig is willing to request tiles and actually reproject (well resample)
>> them onto the screen as well.
>> Would you like to open a bug report (say in uDig to start with) and
>> include some screen snapshots so we can get discussion going?
>
> I'm going to create an issue within the next week. I thought the client
> would resize the requested tiles if  to fit into the defined scale. It would
> also be great to have a scale-slider wich represents well defined scale
> levels be the WMSC standard if there any exists.
> Frank

Jody
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