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Posted to dev@sedona.apache.org by "Kanchan Chowdhury (Jira)" <ji...@apache.org> on 2022/04/21 21:06:00 UTC

[jira] [Created] (SEDONA-117) RS_AppendNormalizedDifference expression for transforming GeoTIff and updating raster notebook

Kanchan Chowdhury created SEDONA-117:
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             Summary: RS_AppendNormalizedDifference expression for transforming GeoTIff and updating raster notebook
                 Key: SEDONA-117
                 URL: https://issues.apache.org/jira/browse/SEDONA-117
             Project: Apache Sedona
          Issue Type: Improvement
            Reporter: Kanchan Chowdhury
             Fix For: 1.2.1


1. Implements a new SQL expression for GeoTiff images. Expression name: RS_AppendNormalizedDifference. This transformation calculates the normalized difference index between two bands and appends the index as a new band in the array of all bands.

2. Updates the raster notebook in the binder to include the improvements made for version 1.2.1.



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