[gdal-dev] get the info of the hdf4 tranlate hdf4 to tif

[Ivan Lucena]

Hi,

 > Perhaps, the problem is with the colon (:) in the path. There may be

If that is the case, I filed that ticket two months ago and Even has 
fixed it already http://trac.osgeo.org/gdal/ticket/2823 but maybe it is 
not on that build.

Ivan

Chaitanya kumar CH wrote:
> apachemaven,
> 
> 2009/3/27 apachemaven <apachemaven at yeah.net>:
>> I want to translate the hdf4 to tif ,and use the grass to conert this tif to
>> its own format, then I can contiune my next work, I use the FWTools2.2.8
>> (which is installed in the F disk.)to handle this,after config the
>> environment ,I run the command "gdalinfo
>> d:\data\HDF\MOD02HKM.A2008275.0245.005.2008275112555.hdf", it worked , the
>> key inofrmation is :
>> ===============
>> ................
>> ................
>> Subdatasets:
>>
>> SUBDATASET_1_NAME=HDF4_EOS:EOS_SWATH:"D:\data\HDF\MOD02HKM.A2008275.0245.005.2008275112555.hdf":MODIS_SWATH_Type_L1B:EV_500_RefSB
>>   SUBDATASET_1_DESC=[5x4060x2708] EV_500_RefSB MODIS_SWATH_Type_L1B (16-bit
>> unsigned integer)
>>
>> SUBDATASET_2_NAME=HDF4_EOS:EOS_SWATH:"D:\data\HDF\MOD02HKM.A2008275.0245.005.2008275112555.hdf":MODIS_SWATH_Type_L1B:EV_500_RefSB_Uncert_Indexes
>>   SUBDATASET_2_DESC=[5x4060x2708] EV_500_RefSB_Uncert_Indexes
>> MODIS_SWATH_Type_L1B (8-bit unsigned integer)
>>
>> SUBDATASET_3_NAME=HDF4_EOS:EOS_SWATH:"D:\data\HDF\MOD02HKM.A2008275.0245.005.2008275112555.hdf":MODIS_SWATH_Type_L1B:EV_250_Aggr500_RefSB
>>   SUBDATASET_3_DESC=[2x4060x2708] EV_250_Aggr500_RefSB MODIS_SWATH_Type_L1B
>> (16-bit unsigned integer)
>>
>> SUBDATASET_4_NAME=HDF4_EOS:EOS_SWATH:"D:\data\HDF\MOD02HKM.A2008275.0245.005.2008275112555.hdf":MODIS_SWATH_Type_L1B:EV_250_Aggr500_RefSB_Uncert_Indexes
>>   SUBDATASET_4_DESC=[2x4060x2708] EV_250_Aggr500_RefSB_Uncert_Indexes
>> MODIS_SWATH_Type_L1B (8-bit unsigned integer)
>>
>> SUBDATASET_5_NAME=HDF4_EOS:EOS_SWATH:"D:\data\HDF\MOD02HKM.A2008275.0245.005.2008275112555.hdf":MODIS_SWATH_Type_L1B:EV_250_Aggr500_RefSB_Samples_Used
>>   SUBDATASET_5_DESC=[2x4060x2708] EV_250_Aggr500_RefSB_Samples_Used
>> MODIS_SWATH_Type_L1B (8-bit integer)
>> ===============
>> and now (for example )I want to get the subdataset 4,and translate it to
>> geotiff,before run the gdal_translate I run the gdalinfo again to get the
>> information of it:"
>> gdalinfo
>> HDF4_EOS:EOS_SWATH:"D:\data\HDF\MOD02HKM.A2008275.0245.005.2008275112555.hdf":MODIS_SWATH_Type_L1B:EV_250_Aggr500_RefSB_Uncert_Indexes"
>> I got the error messages as follows:
>> ========================
>> C:\Documents and Settings\Administrator>gdalinfo
>> HDF4_EOS:EOS_SWATH:"D:\data\HDF\MOD02HKM.A2008275.0245.005.2008275112555.hdf":MODIS_SWATH_Type_L1B:EV_250_Aggr500_RefSB_Uncert_Indexes
>> ERROR 4:
>> `HDF4_EOS:EOS_SWATH:D:\data\HDF\MOD02HKM.A2008275.0245005.2008275112555.hdf:MODIS_SWATH_Type_L1B:EV_250_Aggr500_RefSB_Uncert_Indexes'
>> does not exist in the file system,and is not recognised as a supported
>> dataset name.
>> gdalinfo failed - unable to open
>> 'HDF4_EOS:EOS_SWATH:D:\data\HDF\MOD02HKM.A2008275.0245.005.20082751
>> 12555.hdf:MODIS_SWATH_Type_L1B:EV_250_Aggr500_RefSB_Uncert_Indexes'.
> 
> Perhaps, the problem is with the colon (:) in the path. There may be
> some confusion with the path. Try to work around the colon by mounting
> the D drive on any other folder in the F drive and provide a relative
> path to the FWTools' bin folder. Let me know how it goes.
> 
>> Open GDAL Datasets:
>>   1 N DriverIsNULL      -1 512x512x0
>> ========================
>> I want to know why?and if I put the hdf data under the F:\anzhuang\FWTools
>> 2.2.8\bin, I can get the correct result......
>>
>> _______________________________________________
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>> http://lists.osgeo.org/mailman/listinfo/gdal-dev
>>
> 
> Regards,