grouping raster tiles for mapserv WMS

[Kralidis,Tom [Burlington]]

> -----Original Message-----
> From: UMN MapServer Users List 
> [mailto:MAPSERVER-USERS at LISTS.UMN.EDU] On Behalf Of Jeff de 
> La Beaujardiere
> Sent: Wednesday, 23 February, 2005 13:10
> To: MAPSERVER-USERS at LISTS.UMN.EDU
> Subject: Re: [UMN_MAPSERVER-USERS] grouping raster tiles for 
> mapserv WMS
> 
> 
> Jeff de La Beaujardiere wrote:
> > I would like to have a separate TILEINDEX at each resolution, with 
> > appropriate MINSSCALE and MAXSCALE, but I don't see how to 
> group those 
> > in a single WMS LAYER since CLASS can contain MINSCALE and MAXSCALE 
> > but cannot contain TILEINDEX (i.e., it seems only 1 TILEINDEX is 
> > permitted for each LAYER).
> 
> I thank this list for the helpful replies. The use of 
> 'GROUP', and some tinkering with SCALE values, solved the problem.
> 
> Follow-up question: I found the useful 'wms_group_title' 
> metadata item. Am I correct in thinking there is no 
> equivalent 'wms_group_abstract'? My parent layer is currently 
> displaying the GROUP value (= Layer Name) as "abstract." 
> (wms_group_title would have been a better choice on the part 
> of mapserv if there is no slot for an explicit abstract.)
>

There is a "wms_group_abstract", it hasn't made it's way into the
documentation yet.  Use it the same way as "wms_group_title", i.e.
define it once in the LAYER metadata.  

..Tom

> -Jeff DLB
>