Questions tagged [flow-direction]
In hydrological modelling, flow direction shows the side the flow goes towards. Flow direction is used in spatial analysis to generate a drainage network by generating flow accumulation.
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Compute flow accumulation only from flow direction?
I am looking to calculate flow accumulation from a flow direction raster. In ArcGIS there is Flow Accumulation (http://desktop.arcgis.com/en/arcmap/10.3/tools/spatial-analyst-toolbox/flow-accumulation....
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Flow Direction Raster Value Range
I am interested to know why ‘Flow Direction Raster’, derived from ‘Filled DEM’, generates values ranges from 1-128, with pixel depth of 8 bit unsigned integer which is readily capable to store values ...
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Flow direction generated for river is incorrect
I am trying to generate a hydrologic model and I can not really proceed on the next processes. I have this problem on generating flow direction. I have already executed fill sinks and the next is flow ...
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Understanding ArcGIS Flow Direction pixel values?
The range of values in my flow direction raster is 1-129.
D8 method was used.
I would expect 128 to be the largest value in accordance with the documentation
what's more I show values OTHER THAN 1,...
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Create a flow vector NetCDF from X and Y velocity components
I want to create a flow vector NetCDF data from two .tif raster, one representing X-velocity and another representing Y-velocity component. Both raster groups have identical spatial extent. I have ...
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