Differences

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--- nsw_lidar [2018/10/06 14:48] – [Contours] allchin09
+++ nsw_lidar [2018/12/09 21:56] – [Hydrology (Stream Network)] bushwalking
@@ Line 22: / Line 22: @@
 See page on [[[qgis_contour_labelling|QGIS Contour Labelling]]
 ===== Hydrology (Stream Network) =====
+Fill Sinks
+From the initial DEM, first step is to Fill Sinks. There are various related tools that will do this, including:
+  * Fill Sinks
+  * Fill Sinks (Wang and Liu)
+  * Fill Sinks XXL (Wang and Liu)
+Catchment Areas
+Next is to create Catchment Areas. Again, there is a Catchment Area tool (in fact several), and six options within the tool. For the purpose of delineating watercourses in steep terrain, the choice of option probably makes little difference.
 ===== Clifflines =====