Problem saving product as HDF5

development python
4

Hi Helga,
In the provided code your are only getting and change the GeoCoding. But you also need to set the changed value to the target product. Try

target.setSceneGeoCoding(gc_target)

But probably you just want to copy from the source product. In this case try

snappy.ProductUtils.copyGeoCoding(source, target)

The problem with target_band.ensureRasterData() indicates two things the JVM started by your snappy does not have a lot memory assigned. See:

You need to change the configuration in the snappy.ini file. The file is located in the snappy folder.
Change the line
# java_max_mem: 4G
to e.g.
java_max_mem: 6G

This means that snappy can use 6GB of your RAM. A recommended value is 70%-80% of the available RAM in your system.

If this does not help you can iterate over the dimensions of the band.
target_band.ensureRasterData() means that the whole band is loaded at once, so a lot of memory is allocated.

Have a look at the followingexample. Here the data is processed line-by-line. I guess you can do it in a similar way.