Hi there, I tried to read HDF4 files downloaded from this website:
http://oceancolor.gsfc.nasa.gov/ More specifically, the SeaWiFS L3 BIN: http://oceandata.sci.gsfc.nasa.gov/SeaWiFS/L3BIN/2009/312/S2009312.L3b_DAY_CHL.main.bz2 But running gdalinfo on that file doesn't show any SUBDATASET: % gdalinfo S2009312.L3b_DAY_CHL.main Driver: HDF4/Hierarchical Data Format Release 4 Files: S2009312.L3b_DAY_CHL.main Size is 512, 512 Coordinate System is `' Metadata: Product Name=S2009312.L3b_DAY_CHL.main Title=SeaWiFS Level-3 Binned Data Sensor Name=SeaWiFS Data Center=NASA/GSFC SeaWiFS Data Processing Center Mission=SeaStar SeaWiFS Mission Characteristics=Nominal orbit: inclination = 98.2 (Sun-synchronous); node = 12 noon local (descending); eccentricity = <0.002; altitude = 705 km; ground speed = 6.75 km/sec Sensor=Sea-viewing Wide Field-of-view Sensor (SeaWiFS) Sensor Characteristics=Number of bands = 8; number of active bands = 8; wavelengths per band (nm) = 412, 443, 490, 510, 555, 670, 765, 865; bits per pixel = 10; instantaneous field-of-view = 1.5835 mrad; pixels per scan = 1285; scan rate = 6/sec; sample rate = 7710/sec Product Type=D Processing Version=2009.1 Software Name=l2bin Software Version=2.3.3 Orbit=65360 Start Orbit=65340 End Orbit=65360 Processing Time=2009322051028000 Processing Control=l2bin par=S2009312.L3b_DAY_CHL.param Input Parameters=INFILE = /data1/sdpsoper/vdc/vpu0/workbuf/l2inlist.dat|OFILE = S2009312.L3b_DAY_CHL.main|FILEUSE = S2009312.L3b_DAY_CHL.contrib|SDAY = 2009312|EDAY = 2009312|RESOLVE = 9|ROWGROUP = 2700|FLAGUSE = ATMFAIL,LAND,HILT,HISATZEN,STRAYLIGHT,CLDICE,COCCOLITH,LOWLW,CHLWARN,CHLFAIL,NAVWARN,MAXAERITER,ATMWARN,HISOLZEN,NAVFAIL,FILTER,HIGLINT|L3BPROD = chlor_a|PRODTYPE = D|PVERSION = 2009.1|SUITE = CHL|AVERAGE = standard|NIGHT = 0|VERBOSE = 0|MINOBS = 0|QUALPROD = NONE|QUAL MAX = N/A| Input Files=/data1/sdpsoper/vdc/vpu0/workbuf/S2009311192733.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009311193509.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009311210841.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009311224722.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009312002604.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009312020446.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009312034327.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009312052209.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009312070053.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009312083932.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009312101814.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009312115655.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009312133537.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009312151418.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009312165300.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009312183023.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009312183706. L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009312201024.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009312214906.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009312232747.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009313010819.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009313024700.L2_GAC_OC,/data1/sdpsoper/vdc/vpu0/workbuf/S2009313042542.L2_GAC_OC L2 Flag Names=ATMFAIL,LAND,HILT,HISATZEN,STRAYLIGHT,CLDICE,COCCOLITH,LOWLW,CHLWARN,CHLFAIL,NAVWARN,MAXAERITER,ATMWARN,HISOLZEN,NAVFAIL,FILTER,HIGLINT Period Start Year=2009 Period Start Day=312 Period End Year=2009 Period End Day=312 Start Time=2009311192732633 End Time=2009313050540954 Start Year=2009 Start Day=311 Start Millisec=70052633 End Year=2009 End Day=313 End Millisec=18340954 Latitude Units=degrees North Longitude Units=degrees East Northernmost Latitude=45.625 Southernmost Latitude=-74.95834 Easternmost Longitude=179.9583 Westernmost Longitude=-179.9583 Data Bins=384375 Percent Data Bins=6.4705 Station Name=GSFC HRPT, NASA, MD Station Latitude=38.9958 Station Longitude=-76.8511 Units=chlor_a:mg m^-3 Corner Coordinates: Upper Left ( 0.0, 0.0) Lower Left ( 0.0, 512.0) Upper Right ( 512.0, 0.0) Lower Right ( 512.0, 512.0) Center ( 256.0, 256.0) Does anybody have any experience with this data provider and how to get raster images from that file? My best regards, Ivan _______________________________________________ gdal-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/gdal-dev
