On 11-09-20 05:47 AM, Travis Kirstine wrote:
Hi All,
I saw Frank's GDAL performance tips presentation at FOSS4G and he
mentioned that a config option in a MS mapfile could be set to stop
GDAL from scanning for auxiliary files when using external tiling. I
have looked around in the MS documentation and GDAL and cannot find
the option. If this option was set would it stop GDAL from using
external worldfiles / overviews?
Travis,
The config option is documented at:
http://trac.osgeo.org/gdal/wiki/ConfigOptions#GDAL_DISABLE_READDIR_ON_OPEN
In MapServer you could add a line in the MAP object with:
CONFIG "GDAL_DISABLE_READDIR_ON_OPEN" "ON"
This will not prevent finding world files and overviews. It just means that
searching for them will require an active probe of the file system instead
of just consulting a loaded file list.
Best regards,
--
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up | Frank Warmerdam, [email protected]
light and sound - activate the windows | http://pobox.com/warmerda
and watch the world go round - Rush | Geospatial Software Developer
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