On Friday, July 11, 2014 1:21:55 PM UTC+5:30, Rashad wrote:
>
>
>
>
> On Fri, Jul 11, 2014 at 4:18 AM, Payal Prajapati <[email protected]
> <javascript:>> wrote:
>
>> Hello to all,
>>
>> My work is I have a series of 48 .h5 files(one file contains 6
>> subdatasets..6 images of same area is taken w.r.t different bands and
>> packed into .h5 file.file is generated each half an hour.file name is
>> like:3DIMG_12oct2013_0040_L1S_STD.h5) for each day taken by Imager
>> satellite.I have to open all 48 files and extract a single band which is
>> needed for analysis.
>>
>> currently i am trying to open one .h5 file of Imager and extract first
>> band by specifying hdf filename:0 as mentioned in user guide.but it gives
>> me error unable to create I/O object for hdf Filename:0.
>>
>
> could you post the exact command line and the error message?
>
my command is: ./hdfread
/data2/trainee/payal/3DIMG_12OCT2013_0040_L1S_STD.h5
Error is:
RTTI typeinfo: otb::ImageFileReader<otb::VectorImage<unsigned short,
2u>, otb::DefaultConvertPixelTraits<unsigned short> >
Reference Count: 2
Modified Time: 28
Debug: Off
Observers:
none
Number Of Required Inputs: 0
Number Of Required Outputs: 1
Number Of Threads: 12
ReleaseDataFlag: Off
ReleaseDataBeforeUpdateFlag: Off
No Inputs
Output 0: (0x15c1e240)
AbortGenerateData: Off
Progress: 0
Multithreader:
RTTI typeinfo: itk::MultiThreader
Reference Count: 1
Modified Time: 2
Debug: Off
Observers:
none
Thread Count: 12
Global Maximum Number Of Threads: 128
Global Default Number Of Threads: 12
ImageIO: (null)
UserSpecifiedImageIO flag: 0
m_FileName: /data2/trainee/payal/otb123/3DIMG_12JUN2014_0300_L1B_STD.h5:0
m_UseStreaming flag: 1
m_ActualIORegion: ImageIORegion (0x15c18390)
Dimension: 2
Index: 0 0
Size: 0 0
m_AdditionalNumber: 0
terminate called after throwing an instance of
'otb::ImageFileReaderException'
what(): /usr/local/include/otb/IO/otbImageFileReader.txx:295:
Could not create IO object for file
/data2/trainee/payal/otb123/3DIMG_12JUN2014_0300_L1B_STD.h5:0
Tried to create one of the following:
RADImageIO
BSQImageIO
LUMImageIO
JPEG2000ImageIO
TileMapImageIO
GDALImageIO
MWImageIO
ONERAImageIO
MSTARImageIO
You probably failed to set a file suffix, or
set the suffix to an unsupported type.
Abort
>
>
>> I have enabled hdf 5 support in gdal.After googling i found that
>> changeset 0000219 supports HDF subdataset reading as mentioned by
>> julien...but it still give the same error .
>> plz provide a solution.
>>
>> I have created a program using gdal APIS for reading subdataset but it
>> gives me array of pixel instead of image..so i am reading array into image
>> using otbImportImageFilter and tthen write it in to .tiff file format.This
>> takes so much time and as i said i have 48 .h5 file..if i am doing the same
>> process for all 48 files response time is too large..so i want otb to
>> handle this..
>>
>
> If you are using gdal to read image into array and the writing array into
> otbImage object, you are definitely not going right way. OTB can read GDAL
> formats and in your case i think you might have something like "Performing
> Test CHECK_HDF4OPEN_SYMBOL - Failed" during your cmake configure.
>
> Could you confirm this?
>
yes,it is showing the same error..what to do?
>
> also tell if there is a way to parallelize the whole process that is 48
>> different processes running in parallel for different 48 file format or
>> something like this.so task is speedy..
>> Thank you in advance..any help would be appreciated.
>>
>> Thank You,
>> Payal
>>
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>
>
>
> --
> Regards,
> Rashad
>
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