GDAL 1.7.3, released 2010/11/10, for Mac OS X 10.6, acquired from http://www.kyngchaos.com/software:frameworks, properly reads geo referenced raster images of Type=Float32. For the example 468 MB image, gdalinfo properly reports Type=Float32, and Computed Min/Max=35.024,748.615.
GDAL 1.8.0, released 2011/01/12, for Mac OS X 10.6, acquired from http://www.kyngchaos.com/software:frameworks, improperly read geo referenced images of Type=Float32. For the example 468 MB image, gdalinfo improperly reports Type=Byte, and Computed Min/Max=0.000,255.000. gregcoats $ source ~/programs/scripts/paths_gdal_173.sh gregcoats $ gdalinfo --version GDAL 1.7.3, released 2010/11/10 gregcoats $ gdalinfo -mm floatn40w078_13.flt | tail -3 Band 1 Block=10812x1 Type=Float32, ColorInterp=Undefined Computed Min/Max=35.024,748.615 NoData Value=-9999 gregcoats $ source ~/programs/scripts/paths_gdal_180.sh gregcoats $ $gdalinfo --version GDAL 1.8.0, released 2011/01/12 gregcoats $ gdalinfo -mm floatn40w078_13.flt | tail -3 Band 1 Block=10812x1 Type=Byte, ColorInterp=Undefined Computed Min/Max=0.000,255.000 NoData Value=-9999
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