qgis_depressionless_dem
Differences
This shows you the differences between two versions of the page.
| qgis_depressionless_dem [2021/02/17 09:15] – created bushwalking | qgis_depressionless_dem [2023/10/30 15:59] (current) – Install plugins update bushwalking | ||
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| There are a couple of different approaches, and which one you use may depend on the landscape. Fill Sinks is a common approach. However, if you don't need to worry about small lakes, dams etc, then Breach Depressions may be a better option than Fill Sinks, as it deals better with anomalies in the DEM. | There are a couple of different approaches, and which one you use may depend on the landscape. Fill Sinks is a common approach. However, if you don't need to worry about small lakes, dams etc, then Breach Depressions may be a better option than Fill Sinks, as it deals better with anomalies in the DEM. | ||
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| + | As of QGIS 3.30, none of the tools for doing thise are provided in the core installation - you will need to install SAGA GIS, WhiteBox Tools, or both. There are instructions for this on the [[install_plugins|Install Plugins]] | ||
| ===== Fill Sinks ===== | ===== Fill Sinks ===== | ||
qgis_depressionless_dem.txt · Last modified: 2023/10/30 15:59 by bushwalking