Global Mapper v25.0

Bathymetric contour

veronika
veronika Global Mapper User
edited February 2014 in Vector Data
Hello, I am trying to generate bathymetric contour from SRTM worldwide elevation data (online data source from Global Mapper), but I only get contours with positive value, and I need also negative ones. Can anyone help with the steps or suggestions.
Thank you

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