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I have stream order created over DEM using r.stream.extract , which gives 3 output files:

  1. stream_raster - raster map stores extracted streams.
  2. stream_vector - extracted points for each stream segment
  3. flow accumulation

Can I know which segment comes after each segment in QGIS. Are these stored with any IDs somewhere so that I can know flow direction or next point from stream_vector for next flow segment

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The GRASS GIS Addon v.stream.order computes the stream order of stream networks stored in a vector map at specific outlet vector points. It offers Strahler's stream order, Shreve's stream magnitude, Scheidegger's stream magnitude, and Drwal's stream hierarchy. Likewise, there is the r.stream.order addon.

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