Mapfile - 50 Layers Maximum ?

[Brent Fraser]

Randy,

  I've done some work with global datasets as well.   I made a few changes
to (my own copy of) mapraster.c to use a Lat/Lon tileindex along with
automatically using the SRS of the underlying raster files.  This allowed me
to have one layer for 60 zones worth of raster data.

  I wsa reluctant to submit the changes since I didn't do the changes for
vector tiles, and the testing was minimal.  But I'm open to it if other
people would find it useful....

Brent Fraser
GeoAnalytic Inc
Calgary, Alberta



----- Original Message ----- 
From: "Randy How" <rhow at I3.COM>
To: <MAPSERVER-USERS at LISTS.UMN.EDU>
Sent: Friday, January 13, 2006 10:51 AM
Subject: [UMN_MAPSERVER-USERS] Mapfile - 50 Layers Maximum ?


>
> Greetings,
>
> I've come across this rumor/fact, that there is a maximum of 50 layers in
a
> map file.  Unknowingly  I was experimenting the use of MapServer for
QC'ing
> a project, that I put in 2,500 layers into a mapfile.  Yes, not
surprisingly
> MapServer baucked about this.  Then the first question is what is the
limit,
> then I found out that it was 50!
>
> I looked in to an existing mapfile that we have and it has 45 layers.
These
> layers are represented at different scales, and/or by spatial reference
> (i.e. Indices for different UTM zones), then a watermark.
>
> We are moving into more global datasets which may be represented the same
> way.  There's 60 UTM zones.  So the 50 layer limit is going to be a
problem
> in the short term.
>
> Can anyone verify this fact?  And is there a work around in place to
> accomplish these needs?
>
> Thanks, Randy
>
> ________________________________________________
> Randy How
>
> Geospatial Applications Developer
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