Python script for Bandmaths

[marpet]

The parameterisation of the BandMaths operator is not correct.
Please have a look here:

BandMaths and Snappy

Hi there, Currently trying to perform Band Maths on a image using snappy. When I do the maths in the SNAP Gui it works fine, however when I run it in python I get: RuntimeError: org.esa.snap.core.gpf.OperatorException: Could not parse expression: '255*(Sigma0_VV<2.22E-2)'. Numeric operands expected for binary '*' operator. My code is as follows: def bandMathsProduct(): global product params = HashMap() BandDescriptor = jpy.get_type('org.esa.snap.core.gpf.common.BandMathsOp$BandD…

Export only some bands from final product

Hi, I am writing a stand alone script, using Sentinel 1 products as an input and I am applying the following steps: Get_sigma Create Subset Terrain correction Speckle filtering PCA My final product returns 5 band and I would like to get only the component_1 for further analysis. In order to do this I am either using the BandMaths dividing all values of component_1 with 1: def getBand(file): threshold = 1 expression = "component_1 / %s" % threshold BandDescriptor = jpy.get_type('org.esa.sn…