Hello,

In the past I prepared my air photos for MapServer by converting them into 
GeoTiff and creating compressed jpeg overviews.  I would like to double check 
if this is still a recommended method to prepare air photos that are fast, have 
a decent amount of quality, and are not terribly large.  If anyone has any 
comments on how I should prepare air photos for MapServer and possibly ArcGIS 
or QGIS let me know.

Here is what I used in the past, which seems to work good:
gdal_translate -CO TILED=YES -CO PHOTOMETRIC=YCBCR -CO TFW=YES -CO 
COMPRESS=JPEG -CO BIGTIFF=YES MNPIPE13-SID-9INCH.sid Pipe13.tif
gdaladdo -r cubic --config compress_overview JPEG --config photometric_overview 
YCBCR Pipe2013.tif 2 4 8 16 32 64 128 256 512 1024

I will be provided an ECW file, Mr Sid file, and I will be given the choice of 
getting either 775 individual jpg or tiff tiles.

Thanks for any advice.

Mark Volz


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