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Bug

The Flow Direction tool in ArcGIS Pro 2.4.3 misclassifies rows on 32-bit floating point rasters.

Last Published: January 17, 2020 ArcGIS Pro
Bug ID Number BUG-000127554
SubmittedDecember 20, 2019
Last ModifiedJune 5, 2024
Applies toArcGIS Pro
Version found2.4.3
Operating SystemWindows OS
Operating System Version10.0 64 Bit
StatusKnown Limit

Additional Information

This is a data issue, not a bug in the Flow Direction tool. The row where a stripe is occurring has the same values (at each column) as the row above it. This could be the source of the striping pattern. Running other tools, such as Slope or Curvature, also reveal this stripe pattern in the input dataset. Such striping could be introduced through mosaicking or projecting a raster, and choosing an incompatible resampling technique. For continuous data, such as floating-point elevation rasters, it is best to use a bilinear resampling technique when creating it.

Steps to Reproduce

Bug ID: BUG-000127554

Software:

  • ArcGIS Pro

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