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BenthicSubstrateMapping / PyHum

Python code to read, display, export and analyse Humminbird sidescan sonar data
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PyHum_map output #57

Closed jasonfischer closed 6 years ago

jasonfischer commented 6 years ago

This isn't an issue per se, but what attributes does pyhum_map export in the point cloud text file? The help file states that easting, northing, and sidescan intensity are returned, but the text file I receive has seven columns with no headers. The first two columns look like spatial coordinates, but what are the other four attributes?

dbuscombe-usgs commented 6 years ago

The columns are: X (projected coordinate according to specified cs2cs_args) Y (projected coordinate according to specified cs2cs_args) sidescan intensity (dB W) range to sonar (m) depth (m, flat bottom assumption) heading (relative to N)

dbuscombe-usgs commented 6 years ago

heading in in radians