[FWTools] gdal_info gives different information vs reading from geotools GeoTiffReader

[Hernán De Angelis]

Hi,

You have different registration methods, i.e. is about the AREA_OR_POINT issue:

In test.geotools.tif:
>   AREA_OR_POINT=Point

In: test.gdal.tif
>   AREA_OR_POINT=Area


Hernán



2007/12/12, mzorova <mzorova at yahoo.com>:
>
> I wrote the EXACT same boundary information via geotools geotiffwriter and
> via gdal_translate. Then did a gdalinfo on both versions of the file. The
> information output by the gdal version of the file is accurate. The
> information output by the geotools version of the file is wrong.
>
> I did verify by reading the information back in geotools via the
> geotiffreader and the information is coming back correctly. So that points
> to some incompatibility between the geotools writer and the gdal reader?
>
> Any pointers on how I can get the two to see the same truth?
>
>
> C:\temp>gdalinfo test.geotools.tif
> Driver: GTiff/GeoTIFF
> Files: test.geo.tif
> Size is 465, 349
> Coordinate System is:
> GEOGCS["NAD83",
>     DATUM["North_American_Datum_1983",
>         SPHEROID["GRS 1980",6378137,298.2572221010002,
>             AUTHORITY["EPSG","7019"]],
>         AUTHORITY["EPSG","6269"]],
>     PRIMEM["Greenwich",0],
>     UNIT["degree",0.0174532925199433],
>     AUTHORITY["EPSG","4269"]]
> Origin = (-122.718829861072290,38.276280944573635)
> Pixel Size = (0.000039549959133,-0.000031179321687)
> Metadata:
>   AREA_OR_POINT=Point
>   TIFFTAG_XRESOLUTION=1
>   TIFFTAG_YRESOLUTION=1
>   TIFFTAG_RESOLUTIONUNIT=1 (unitless)
> Image Structure Metadata:
>   INTERLEAVE=PIXEL
> Corner Coordinates:
> Upper Left  (-122.7188299,  38.2762809) (122d43'7.79"W, 38d16'34.61"N)
> Lower Left  (-122.7188299,  38.2653994) (122d43'7.79"W, 38d15'55.44"N)
> Upper Right (-122.7004391,  38.2762809) (122d42'1.58"W, 38d16'34.61"N)
> Lower Right (-122.7004391,  38.2653994) (122d42'1.58"W, 38d15'55.44"N)
> Center      (-122.7096345,  38.2708402) (122d42'34.68"W, 38d16'15.02"N)
> Band 1 Block=465x8 Type=Byte, ColorInterp=Red
> Band 2 Block=465x8 Type=Byte, ColorInterp=Green
> Band 3 Block=465x8 Type=Byte, ColorInterp=Blue
>
>
>
> C:\temp>gdalinfo test.gdal.tif
> Driver: GTiff/GeoTIFF
> Files: test.gdal.tif
> Size is 465, 349
> Coordinate System is:
> GEOGCS["NAD83",
>     DATUM["North_American_Datum_1983",
>         SPHEROID["GRS 1980",6378137,298.2572221010002,
>             AUTHORITY["EPSG","7019"]],
>         AUTHORITY["EPSG","6269"]],
>     PRIMEM["Greenwich",0],
>     UNIT["degree",0.0174532925199433],
>     AUTHORITY["EPSG","4269"]]
> Origin = (-122.718849636051860,38.276296534234476)
> Pixel Size = (0.000039549959133,-0.000031179321687)
> Metadata:
>   AREA_OR_POINT=Area
>   TIFFTAG_XRESOLUTION=1
>   TIFFTAG_YRESOLUTION=1
>   TIFFTAG_RESOLUTIONUNIT=1 (unitless)
> Image Structure Metadata:
>   INTERLEAVE=PIXEL
> Corner Coordinates:
> Upper Left  (-122.7188496,  38.2762965) (122d43'7.86"W, 38d16'34.67"N)
> Lower Left  (-122.7188496,  38.2654150) (122d43'7.86"W, 38d15'55.49"N)
> Upper Right (-122.7004589,  38.2762965) (122d42'1.65"W, 38d16'34.67"N)
> Lower Right (-122.7004589,  38.2654150) (122d42'1.65"W, 38d15'55.49"N)
> Center      (-122.7096543,  38.2708557) (122d42'34.76"W, 38d16'15.08"N)
> Band 1 Block=465x5 Type=Byte, ColorInterp=Red
> Band 2 Block=465x5 Type=Byte, ColorInterp=Green
> Band 3 Block=465x5 Type=Byte, ColorInterp=Blue
> --
> View this message in context: http://www.nabble.com/gdal_info-gives-different-information-vs-reading-from-geotools-GeoTiffReader-tp14303913p14303913.html
> Sent from the FWTools mailing list archive at Nabble.com.
>
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-- 

Hernán De Angelis
Linux user # 397217