Today, we will discuss the powerful feature within the QGIS Whitebox tool delineating watersheds and determining the longest flow path.
This demo used the Whitebox Geospatial plugin, free Open Core tool.
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🔥Chapters:
00:00 Introduction
00:35 Setup
01:20 Fill Depressions Wang and Li
01:46 D8 Pointer
02:11 Flow Accumulation
02:40 Extract Streams
03:25 Raster Streams to Vector
04:10 Jenson Snap Pour Points (Snaps nodes to stream)
05:20 Watershed Tool
05:45 Raster to vector polygon
07:04 Longest Flow Path
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Disclaimer: This video is for demonstration purposes only and it not professional advice. Please use your own engineering judgement for real-world projects.
