[ka-Map-users] recent changes in cvs

[Paul Spencer]

Tom,

just simple metadata constructs that ka-Map uses :)

Cheers

Paul

On 9-May-06, at 2:47 PM, Kralidis,Tom [Burlington] wrote:

>
> Hi Paul,
>
> Does this affect the MapServer codebase in any way?  i.e. were any  
> code
> changes made in MapServer CVS for 'version' and 'redraw_interval'?  Or
> are these simple metadata constructs that ka-map knows what to do  
> with?
>
> Cheers
>
> ..Tom
>
>
>> -----Original Message-----
>> From: ka-map-users-bounces at lists.maptools.org
>> [mailto:ka-map-users-bounces at lists.maptools.org] On Behalf Of
>> Paul Spencer
>> Sent: Tuesday, May 09, 2006 2:40 PM
>> To: ka-map-users at lists.maptools.org
>> Subject: [ka-Map-users] recent changes in cvs
>>
>>
>> All,
>>
>> I though I would just let everyone know that I have committed
>> changes
>> in cvs to add versioning support in a couple of ways.
>>
>> First, you can now add a 'version' metadata in the web object
>> of your
>> map file.  This version, if present, is included in tile requests.
>> The version used to create any tile is stored with the tiles.  When
>> the version in the mapfile changes, the tiles are automatically re-
>> requested by the client (because the url changes) and are
>> regenerated
>> in the cache on the server without needing to delete the cache.
>>
>> Second, you can now specify a "redraw_interval" metadata in the
>> metadata of a layer.  The redraw_interval is the number of seconds
>> that the data for a particular layer/group should be considered
>> valid.  When tiles are requested, if the current time is newer than
>> the creation time plus this interval, the tiles are
>> recreated.  There
>> is a new function in the kaMap _layer API to trigger redrawing in
>> this way.
>>
>> Third, you can now specify a "refresh_interval" metadata in the
>> metadata of a layer.  This is used to get kaMap to automatically
>> redraw a layer after the number of seconds in this field pass.  This
>> is intended to be used with layers that have a tile_source of redraw
>> (and a redraw_interval) or nocache.
>>
>> Note this won't work with precache2.php yet.  I'll follow up
>> with Tim
>> to get that updated.
>>
>> Cheers
>>
>> Paul
>> +-----------------------------------------------------------------+
>> |Paul Spencer                           pspencer at dmsolutions.ca   |
>> +-----------------------------------------------------------------+
>> |Applications & Software Development                              |
>> |DM Solutions Group Inc                 http://www.dmsolutions.ca/|
>> +-----------------------------------------------------------------+
>>
>>
>>
>>
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>>

+-----------------------------------------------------------------+
|Paul Spencer                           pspencer at dmsolutions.ca   |
+-----------------------------------------------------------------+
|Applications & Software Development                              |
|DM Solutions Group Inc                 http://www.dmsolutions.ca/|
+-----------------------------------------------------------------+