Mateusz,
The Polygonize method assumes that you have created the field in the layer
definition, before calling it.
See the gdal_polygonize.py script as an example on how it is done in Python.
The related Java API is ogr.Layer.CreateField()
Best regards,
Even
Le mercredi 04 juin 2014 17:35:52,
Hello,
I just discovered strange behavior of Polygonize function in JAVA bindings
to GDAL.
The function do not create the attribute in which the value of raster is
stored as it is described in http://www.gdal.org/gdal_polygonize.html .
After performing the function on a raster GeoTIFF file the it
