All platforms: How to find Sub Swath Gain Parameters for the Enhancement Swath tool?
The Enhancement Swath tool requires the user to manually derive the “gain” and “end column” parameters for each of the 5 sub swaths. a. Select (arbitrarily) a ‘master’ sub swath, for which the gain value is zero. b. Then, using image processing software, find the relative intensity (a ratio) of the other sub swaths by averaging over a homogenous area of the image. c. Compute the inverse to enter as a gain. Note that the resulting image will not be radiometrically sound, but gives an aesthetically pleasing appearance. How to import ERS PGS CEOS data properly To import ERS PGS CEOS data properly it is always mandatory to select in the HEADER ANALYSIS panel the option PGS as source ID like showed in the following example. RAW data (level 0) The use of BEST with RAW (level 0) data is limited to header analyses only. See also information under the section Input data. In order to process ASAR/ERS SAR RAW data, a proper SAR image processing is required. In case you have your own SAR processor
