Map GPS Coordinates - GPS Map Coordinates ... - Global Mapper

Global Mapper User's Manual
The Resolution section controls the resolution at which the loaded terrain data is sampled to perform the
watershed analysis. The default values should capture the full resolution of the loaded terrain data. Larger
values (i.e. lower resolution) will cause the calculation to be quicker, but less detailed.
The Stream Threshold section controls how much water must flow to a particular cell before it is considered
part of a "stream". Larger values will result in only more water flow areas being delineated, while smaller
values will cause more minor water flows to be marked as streams. Each stream segment (i.e. the portion
between and inflow and outflow point) can optionally have the area that drains directly to that stream segment
marked with a watershed area. Check the Create Watershed Areas Showing Drainage to Streams option to
enable creating watershed areas.
Many terrain data sets will contain depressions in the data where flow would terminate unless allowed to fill
the depression and spill into the surrounding terrain. The Depression Fill Depth section controls how deep of a
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