Use of this function requires a license for Whitebox Workflows for Python Professional (WbW-Pro). Please visit www.whiteboxgeo.com to purchase a license.
This tool can be used to approximate the combine harvester swath pass lines from yield points. It is sometimes the case that either pass-line information is not stored in the point data created during harvesting, or that this information is lost. The yield_filter and yield_map tools however require information about the associated swath path for each point in the dataset. This tool can therefore serve as a pre-processing operation before running either of those more advanced mapping tools. It works by examining the geometry of nearby points and associating points with line features that observe a maximum angular change in direction (max_change_in_heading
). The tool creates two output vectors, including a pass line vector (output
) and a points vector (output_points
). The points output contains a PASS_NUM
field within its attribute tables that indicate the unique identifier associated with features. The line vector output contains an AVGYIELD
attribute field, which provides the pass-line average of the input yield values (yield_field_name
).
For a video tutorial on how to use the recreate_pass_lines, yield_filter and yield_map tools, see this YouTube video. There is also a blog that describes the usage of this tool on the WhiteboxTools homepage.
yield_filter, yield_map, reconcile_multiple_headers, remove_field_edge_points, yield_normalization