[gdal-dev] FWTools 2.3.0 does find State Plane projection
information
Charles Karney
ckarney at sarnoff.com
Mon May 18 16:04:23 EDT 2009
FWTools 2.2.8 and 2.3.0 seem not to know about some state plane
coordinate systems, while gdal under Linux and Cygwin report the correct
projection data.
For example, I have some imagery (a GeoTiff) for Florida downloaded from
the USGS site. The cygwin version of listgeo reports:
Geotiff_Information:
Version: 1
Key_Revision: 1.0
Tagged_Information:
ModelTiepointTag (2,3):
0 0 0
419093.218 185211.481 0
ModelPixelScaleTag (1,3):
0.30480061 0.30480061 0
End_Of_Tags.
Keyed_Information:
GTModelTypeGeoKey (Short,1): ModelTypeProjected
GTRasterTypeGeoKey (Short,1): RasterPixelIsArea
GTCitationGeoKey (Ascii,271): "IMAGINE GeoTIFF Support\n
Projection Name = NAD_1983_StatePlane_Florida_North_FIPS_0903_Feet\n
Units = us_survey_feet\n
GeoTIFF Units = meters"
ProjectedCSTypeGeoKey (Short,1): PCS_NAD83_Florida_North
PCSCitationGeoKey (Ascii,189): "IMAGINE GeoTIFF Support\n
State Plane Zone -903\n
NAD = 83"
End_Of_Keys.
End_Of_Geotiff.
PCS = 26960 (NAD83 / Florida North)
Projection = 10933 (SPCS83 Florida North zone (meters))
Projection Method: CT_LambertConfConic_2SP
ProjFalseOriginLatGeoKey: 29.000000 ( 29d 0' 0.00"N)
ProjFalseOriginLongGeoKey: -84.500000 ( 84d30' 0.00"W)
ProjStdParallel1GeoKey: 30.750000 ( 30d45' 0.00"N)
ProjStdParallel2GeoKey: 29.583333 ( 29d35' 0.00"N)
ProjFalseEastingGeoKey: 600000.000000 m
ProjFalseNorthingGeoKey: 0.000000 m
GCS: 4269/NAD83
Datum: 6269/North American Datum 1983
Ellipsoid: 7019/GRS 1980 (6378137.00,6356752.31)
Prime Meridian: 8901/Greenwich (0.000000/ 0d 0' 0.00"E)
Projection Linear Units: 9001/metre (1.000000m)
Corner Coordinates:
Upper Left ( 419093.218, 185211.481) ( 86d23'15.45"W, 30d39'26.37"N)
Lower Left ( 419093.218, 183070.562) ( 86d23'14.12"W, 30d38'16.86"N)
Upper Right ( 420296.571, 185211.481) ( 86d22'30.26"W, 30d39'27.02"N)
Lower Right ( 420296.571, 183070.562) ( 86d22'28.94"W, 30d38'17.50"N)
Center ( 419694.894, 184141.021) ( 86d22'52.19"W, 30d38'51.94"N)
The version of lisgeo in FWTools2.3.0 reports the same information up to
the PCS line. Then it has
PCS = 26960 (name unknown)
Projection = 10933 ()
and the corner points are listed without the lat/long equivalents.
I see that there's a stateplane.csv in the FWTools distribution. But it
appears not to be read? (I can provide the GeoTiff, if necessary.)
Thanks.
--
Charles Karney <ckarney at sarnoff.com>
Sarnoff Corporation, Princeton, NJ 08543-5300
Tel: +1 609 734 2312
Fax: +1 609 734 2662
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