[Geotiff] Combining world files, tab files and tiffs

[Hermann Peifer]

On 27/08/2010 01:24, Craig Stanton wrote:
> Hi All,
>  I'm trying to make geotiffs out of the tiffs available from the British Ordanance Survey...
>  I've now got GDAL and don't know what to do with it.

You could use the gdal tools like this:

$ ls -1  MiniScale_\(with_grid\)_R12.*
MiniScale_(with_grid)_R12.tfw
MiniScale_(with_grid)_R12.tif


$ gdalinfo "MiniScale_(with_grid)_R12.tif"
Warning 1: TIFFFetchNormalTag:Incompatible type for "RichTIFFIPTC"; tag 
ignored
Driver: GTiff/GeoTIFF
Files: MiniScale_(with_grid)_R12.tif
        MiniScale_(with_grid)_R12.tfw
Size is 7000, 13000
Coordinate System is `'
Origin = (0.000000000000000,1300000.000000000000000)
Pixel Size = (100.000000000000000,-100.000000000000000)
Metadata:
   TIFFTAG_SOFTWARE=Adobe Photoshop CS4 Macintosh
   TIFFTAG_DATETIME=2009:12:04 12:52:21
   TIFFTAG_XRESOLUTION=254
   TIFFTAG_YRESOLUTION=254
   TIFFTAG_RESOLUTIONUNIT=2 (pixels/inch)
Image Structure Metadata:
   COMPRESSION=LZW
   INTERLEAVE=PIXEL
Corner Coordinates:
Upper Left  (       0.000, 1300000.000)
Lower Left  (   0.0000000,   0.0000000)
Upper Right (  700000.000, 1300000.000)
Lower Right (  700000.000,       0.000)
Center      (  350000.000,  650000.000)
Band 1 Block=7000x12 Type=Byte, ColorInterp=Red
Band 2 Block=7000x12 Type=Byte, ColorInterp=Green
Band 3 Block=7000x12 Type=Byte, ColorInterp=Blue


$ gdal_translate "MiniScale_(with_grid)_R12.tif" out.tif -a_srs 
epsg:27700 -co compress=lzw
Warning 1: TIFFFetchNormalTag:Incompatible type for "RichTIFFIPTC"; tag 
ignored
Input file size is 7000, 13000
0...10...20...30...40...50...60...70...80...90...100 - done.


$ gdalinfo out.tif
Driver: GTiff/GeoTIFF
Files: out.tif
Size is 7000, 13000
Coordinate System is:
PROJCS["OSGB 1936 / British National Grid",
     GEOGCS["OSGB 1936",
         DATUM["OSGB_1936",
             SPHEROID["Airy 1830",6377563.396,299.3249646000044,
                 AUTHORITY["EPSG","7001"]],
             AUTHORITY["EPSG","6277"]],
         PRIMEM["Greenwich",0],
         UNIT["degree",0.0174532925199433],
         AUTHORITY["EPSG","4277"]],
     PROJECTION["Transverse_Mercator"],
     PARAMETER["latitude_of_origin",49],
     PARAMETER["central_meridian",-2],
     PARAMETER["scale_factor",0.9996012717],
     PARAMETER["false_easting",400000],
     PARAMETER["false_northing",-100000],
     UNIT["metre",1,
         AUTHORITY["EPSG","9001"]],
     AUTHORITY["EPSG","27700"]]
Origin = (0.000000000000000,1300000.000000000000000)
Pixel Size = (100.000000000000000,-100.000000000000000)
Metadata:
   TIFFTAG_SOFTWARE=Adobe Photoshop CS4 Macintosh
   TIFFTAG_DATETIME=2009:12:04 12:52:21
   TIFFTAG_XRESOLUTION=254
   TIFFTAG_YRESOLUTION=254
   TIFFTAG_RESOLUTIONUNIT=2 (pixels/inch)
   AREA_OR_POINT=Area
Image Structure Metadata:
   COMPRESSION=LZW
   INTERLEAVE=PIXEL
Corner Coordinates:
Upper Left  (       0.000, 1300000.000) (  9d29'46.99"W, 61d22'30.11"N)
Lower Left  (   0.0000000,   0.0000000) (  7d33'23.21"W, 49d45'58.27"N)
Upper Right (  700000.000, 1300000.000) (  3d38'5.08"E, 61d27'54.68"N)
Lower Right (  700000.000,       0.000) (  2d10'18.73"E, 49d49'27.99"N)
Center      (  350000.000,  650000.000) (  2d47'47.26"W, 55d44'26.94"N)
Band 1 Block=7000x1 Type=Byte, ColorInterp=Red
Band 2 Block=7000x1 Type=Byte, ColorInterp=Green
Band 3 Block=7000x1 Type=Byte, ColorInterp=Blue