[Qgis-user] NITF Imagery

[James Wood]

Andrea,

Thanks for your response and help. For brevity's sake, I've copied what
looks like the relevant information from the OSGeo4W shell query:



GDAL 1.9.2, released 2012/10/08

C:\>gdalinfo ds1104-1090da049.ntf
Driver: NITF/National Imagery Transmission Format
Files: ds1104-1090da049.ntf
Size is 106699, 7453
Coordinate System is `'
GCP Projection =
GEOGCS["WGS 84",
    DATUM["WGS_1984",
        SPHEROID["WGS 84",6378137,298.257223563,
            AUTHORITY["EPSG","7030"]],
        TOWGS84[0,0,0,0,0,0,0],
        AUTHORITY["EPSG","6326"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9108"]],
    AUTHORITY["EPSG","4326"]]
GCP[  0]: Id=UpperLeft, Info=
          (0.5,0.5) -> (33.0225,28.4080555555556,0)
GCP[  1]: Id=UpperRight, Info=
          (106698.5,0.5) -> (35.3602777777778,28.6452777777778,0)
GCP[  2]: Id=LowerRight, Info=
          (106698.5,7452.5) -> (35.3430555555556,28.4786111111111,0)
GCP[  3]: Id=LowerLeft, Info=
          (0.5,7452.5) -> (33.0822222222222,28.25,0)


On Mon, Jan 20, 2014 at 9:47 AM, Andrea Peri <aperi2007 at gmail.com> wrote:

>
> Can you open a shell and do a
>
> gdalinfo image.ntf
>
> to see what it report
>
> Thx,
>
> Andrea.
>
>
>
> 2014/1/20 James Wood <jwood911 at gmail.com>
>
>> Hello List,
>>
>> I have several ~800MB .ntf images that I need to load into a QGIS Desktop
>> project. I have SpatiaLite vector layers already loaded, and they, along
>> with the project CRS, are in WGS84 (EPSG: 4326). When I load the NITF
>> images, they do not appear to load in coordinate space (cursor coordinates
>> are not in lat,long and they do not overlay the vector) and the images are
>> inverted (up-side down). Loading in several together, they draw on top of
>> one another. Initially this suggested that the image coordinates were
>> stored in the header in rotated format without coordinate reference.
>>
>> When I load these same images into ArcMap, they draw
>> correctly, right-side up and overlaying the same SpatiaLite vector in
>> coordinate space. Looking at the image properties, the spatial reference is
>> WGS84 (GCS_WGS_1984) and the extents (given in decimal degrees) show that
>> the image is not rotated. Looking at the metadata for the images in
>> ArcCatalog confirms this.
>>
>> The only thing I have been able to find so far concerning NITF is this:
>>
>> http://osgeo-org.1560.x6.nabble.com/gdal-dev-Can-t-read-NITF-image-td5064590.html
>> (a little over my head, but this seems a different problem)
>>
>> Could I be missing a plug-in? When I go to add a raster layer, my
>> drop-down of raster types includes NITF imagery. Any help would be
>> appreciated.
>>
>> Windows 7 x64 2.4GHz 8GB
>> QGIS Desktop 2.0.1
>> ArcGIS Desktop 10.2.1
>>
>> Thanks,
>> James
>>
>> _______________________________________________
>> Qgis-user mailing list
>> Qgis-user at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/qgis-user
>>
>
>
>
> --
> -----------------
> Andrea Peri
> . . . . . . . . .
> qwerty àèìòù
> -----------------
>
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