[mapserver-users] NITF and World Files

[Frank Warmerdam]

On 11-06-27 01:14 PM, SixDegrees wrote:
> We have a collection of NITF files that are missing coordinate system
> information; they are essentially pixel-based. Elsewhere we have information
> on the projections used. We are reluctant to modify the original NITF files,
> but would like to display them through MapServer with the correct projection
> information. If we provide a world file containing this information for each
> NITF file, can we associate the two in the mapfile and have MapServer use
> the world file information instead of fruitlessly pawing through the NITF
> for it?

Six Degrees,

Yes, you should be able to drop a .wld or .nfw file next to the nitf file
to provide georeferencing.  If that doesn't work for some reason you
could provide a similar effect with a VRT file (email me directly for details
if needed).

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