[mapserver-users] Rasters

Annette Farrell AFarrell at imgs.ie
Thu Jun 16 09:43:01 PDT 2011


Many thanks for the quick response.

Using the alpha band resolved the issue.  The rasters display
seamlessly.

What format of rasters would you recommend in terms of performance and
size?
Most people are using virtual servers now and want to use ecw images
instead of geotiffs due to the size on disk of the images.

Or do most people cache rasters using Kamap for example which means the
native format of the raster is redundant.
I'm concerned about the size of the cached data and it would be best to
connect to the rasters directly if they perform.

Thanks,

Annette



-----Original Message-----
From: mapserver-users-bounces at lists.osgeo.org
[mailto:mapserver-users-bounces at lists.osgeo.org] On Behalf Of Frank
Warmerdam
Sent: 16 June 2011 15:35
To: Brent Fraser
Cc: mapserver-users at lists.osgeo.org
Subject: Re: [mapserver-users] Rasters

On 11-06-16 10:27 AM, Brent Fraser wrote:
> Frank,
>
> Does MapServer now use GDAL by default to read tiffs (instead of its 
> own tiff handling), or do you need to specify a CONNECTIONTYPE? Or 
> perhaps create a VRT file referencing the tiff to force the use of
GDAL to read the tiff?

Brent,

MapServer now reads all raster layer input using GDAL.  All the legacy
mechanisms were removed in the last few years.

Best regards,
-- 
---------------------------------------+--------------------------------
---------------------------------------+------
I set the clouds in motion - turn up   | Frank Warmerdam,
warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent

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