Extracting slope of aspect information using QGIS? Unicorn Meta Zoo #1: Why another podcast? ...

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Extracting slope of aspect information using QGIS?



Unicorn Meta Zoo #1: Why another podcast?
Announcing the arrival of Valued Associate #679: Cesar ManaraWhat is SOA (slope of aspect)Automating GIS slope and aspect algorithm?Merging slope angle and aspect rastersInformation about algorithm used by Terrain modelsHow to delineate a zone of slope breakHow to correct aspect values in a North Pole Stereographic projection?Generalizing micro terrain in a slope rasterCalculate Average Slope over Specific DistanceSelecting south-facing slopes with slope > 10° using ArcGIS Desktop?Selecting a subset of a raster, based on aspect and slope, as input to calculate areaWhat is SOA (slope of aspect)





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In What is SOA (slope of aspect)? @Spacedman explained to me what SOA means. Now I need help to understand how I could work with it and extract the data that I want.



I want to use Qgis (with Grass and Saga) and, if necessary, Python to this task. My goal is to delineate the rim of impact craters. I have been trying a bunch of methods and right now I want to try doing this by working with SOA information.



I know how to make an slope and aspect map from the DEM. But I don't know how to extract the regions of high values of SOA (crater's rim).










share|improve this question































    0















    In What is SOA (slope of aspect)? @Spacedman explained to me what SOA means. Now I need help to understand how I could work with it and extract the data that I want.



    I want to use Qgis (with Grass and Saga) and, if necessary, Python to this task. My goal is to delineate the rim of impact craters. I have been trying a bunch of methods and right now I want to try doing this by working with SOA information.



    I know how to make an slope and aspect map from the DEM. But I don't know how to extract the regions of high values of SOA (crater's rim).










    share|improve this question



























      0












      0








      0








      In What is SOA (slope of aspect)? @Spacedman explained to me what SOA means. Now I need help to understand how I could work with it and extract the data that I want.



      I want to use Qgis (with Grass and Saga) and, if necessary, Python to this task. My goal is to delineate the rim of impact craters. I have been trying a bunch of methods and right now I want to try doing this by working with SOA information.



      I know how to make an slope and aspect map from the DEM. But I don't know how to extract the regions of high values of SOA (crater's rim).










      share|improve this question
















      In What is SOA (slope of aspect)? @Spacedman explained to me what SOA means. Now I need help to understand how I could work with it and extract the data that I want.



      I want to use Qgis (with Grass and Saga) and, if necessary, Python to this task. My goal is to delineate the rim of impact craters. I have been trying a bunch of methods and right now I want to try doing this by working with SOA information.



      I know how to make an slope and aspect map from the DEM. But I don't know how to extract the regions of high values of SOA (crater's rim).







      qgis dem slope aspect






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited 3 mins ago









      PolyGeo

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      asked 27 mins ago









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