[FWTools] geotiff_fw.dll

[Tamas Szekeres]

Hmmm. Aside from that I couldn't follow every aspects of the problem
wouldn't it be more trivial to fix these issues in the gdal hdf5 and
geotiff drivers?

Best regards,

Tamas



2008/3/2, andyNEXT <andrea.pistoni at next.it>:
>
>
>  Tamas/Frank,
>
>  you're right about gdal_cshasp.
>  I've used gdal to create geotiff from COSMOSKYMED hdf5 but with some
>  limitations about particulars dataset (such as complex data [MxNx2]). The
>  fucntion I've used is GDAL.CreateCopy() and it covers some requirements of
>  my task (only raster MxN).
>  Moreover gdal didn't read some important COSMO TAGS at  HDF5 ROOT LEVEL and
>  other TAGS didn't wrote in the GEOTIFF with problems about EXTENTION
>  WARNINGS and GEO-positioning when I load the GEOTIFF in ArcMAP.
>
>  Therefore :
>  - to read the ComplexDataset I've used the HDF5.DOTNET wrapper of hdfgroup.
>  - to read the HDF5 Root level attributes I have developed a dedicated
>  WRAPPER (not included in HDF5.DOTNET of hdfgroup) to read the COSMO HDF5
>  Attributes (about 121 attributes) in the HDF5 Root level because the gdal
>  doesn't read them.
>  - to write the GEOTIFF TAGS with the Attributes I've readen from COSMO, I've
>  created a GEOTIFF WRAPPER mapped on "geotiff_fw.dll"
>  - to create the TIFF file, Reinhard provided me a LIBTIFF.NET (available on
>  bugzilla) Wrapper in order to manage the TIFF. This is mapped on
>  "libtiff_fw.dll".
>
>  My code (.exe) now produces (when run alone) georeferenced GEOTIFF from
>  COSMO HDF5 with all the TAGS set in proper way for the georeferencing. The
>  Loading in ArcMAp is Ok.
>
>  My problem is when I'm going to create the .DLL and I call the
>  MakeCosmoTiff() method from the main program.
>  I'have an ASSERTION MESSAGE when the GEOTIFF.Close() try to free the
>  TiffPtr. The file is created well but the message is every time visible.
>
>  I've thougth about the geotiff_fw.dll is linked to libtiff_fw.dll and maybe
>  there would be a memory overlapping when I import libtiff_fw.dll using
>  LIBTIFF.NET. But I've verified and this is not.
>
>  Thanks
>
>  Andrea Pistoni
>
>
>
>
>
>
>
>
>
>
>  Tamas Szekeres wrote:
>  >
>  > Isn't that the gdal_csharp.dll (in FWTools) would be sufficient for
>  > you to utilize instead of creating a brand new wrapper?
>  >
>  > Best regards,
>  >
>  > Tamas
>  >
>  >
>  > 2008/3/2, andyNEXT <andrea.pistoni at next.it>:
>  >>
>  >>  Hi folks,
>  >>
>  >>  I've developed a wrapper C# for GEOTIFF in order to create a GEOTIFF
>  >> file.
>  >>  My wrapper uses a DLLIMPORT from the geotiff_fw.dll.
>  >>  Using DEPENDENCY_WALKER I saw that this library is implicit-linked to
>  >> other
>  >>  libraries (for ex the libtiff_fw.dll).
>  >>
>  >>  In order to write a GEOTIFF file I have to use also the inside-linked
>  >> TIFF
>  >>  library, but I'm not able to import the TIFFfunctions from
>  >> geotiff_fw.dll
>  >>  (such as for example TIFFSetField) .
>  >>
>  >>  I've tried to use a TIFF Wrapper on the libtiff_fw.dll. This works very
>  >> well
>  >>  but when I use it together with the GEOTIFF Wrapper there are problems
>  >> in
>  >>  the loading of the dlls. Maybe this is due because I reference the
>  >>  libtiff_fw.dll twice times (one by geotiff_fw.dll and the second by
>  >>  libtiff_fw itself).
>  >>
>  >>  How can I reach and invoke the TIFF functions in the geotiff_fw.dll
>  >>  interface?
>  >>
>  >>  Thanks in advance
>  >>  Andrea Pistoni
>  >>
>  >>  --
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