Differences

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--- nsw_lidar [2020/08/31 22:31] – [Dumping Ground] allchin09
+++ nsw_lidar [2020/08/31 23:14] – [Resources] allchin09
@@ Line 218: / Line 218: @@
 Run v.clean: Cleaning Tool = rmdangle, Threshold = 5,10
-===== Dumping Ground =====
+===== Dumping Ground / WIP =====
+==== Resources ====
 [[https://grass.osgeo.org/grass78/manuals/addons/r.geomorphon.html|GRASS - r.geomorphon function information page]]. This is a different approach that could be taken for landform classification. Yet to be tested.
 [[https://docs.qgis.org/3.4/en/docs/training_manual/grass/grass_setup.html|Training lession for QGIS 3.4 on GRASS Setup and basic use]]. Specific GRASS setup is required to use any GRASS functions in QGIS.
+[[https://grasswiki.osgeo.org/wiki/Introduction_to_GRASS_GIS_with_terrain_analysis_examples|GRASS GIS example of terrain analysis using r.geomorphon]]
+==== Method ====
+The below snip of Breakfast Creek makes use of TPI calculated from a LIDAR derived DEM. Only positive values for TPI as displayed, which indicate cliff-like features. It is then combined with contours and aerial imagery to convey the terrain of the area.
+{{:breakfast_creek_snip.jpg?400|TPI from LIDAR DEM combined with contours and imagery to show clifflines and terrain}}