Tileindex problem

[Eros Agosto]

Hi List,

I have a problem in using tileindex

I mean:

if I display a raster file (tiff+tfw) it shows: OK

DATA "IGN_50000/psc_3124.tif"
TYPE RASTER


if I display a group of rasters (including the previous one) with tileindex: 
Nothing is showed (except the class name in the legend)

TILEINDEX 'IGN_50000/IGN_50000.shp'
TILEITEM 'location'
 TYPE RASTER


I checked the 'location' field in the tileindex file, I checked the position 
of raster files, but it seems OK


Any idea?

Thanks a lot

Eros



----- Original Message ----- 
From: "Ethan Alpert" <ealpert at DIGITALGLOBE.COM>
To: <MAPSERVER-USERS at LISTS.UMN.EDU>
Sent: Friday, May 20, 2005 12:19 AM
Subject: Re: [UMN_MAPSERVER-USERS] Image Tiling


I use imagemagick and gdal_translate to split and build tiles from large
images. Then I build a tile index with gdaltindex. As long as you tile
index layers MIN/MAX scales are set right you get a pretty big
performance gain. However if you're rendering many of the tiles in the
same image it slows down. I create overviews for large scales and
display those and have the tile index only come on at lower scales.

-e

-----Original Message-----
From: UMN MapServer Users List [mailto:MAPSERVER-USERS at LISTS.UMN.EDU] On
Behalf Of Greg Taylor
Sent: Thursday, May 19, 2005 1:42 PM
To: MAPSERVER-USERS at LISTS.UMN.EDU
Subject: [UMN_MAPSERVER-USERS] Image Tiling


What kind of programs/scripts do most of you use to tile .tif images?
I'd be interested in playing with this. Do any of you that use tiled
images notice an improvement in performance?