New, improved version of generic mapping tools released
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Cites background or methods from "New, improved version of generic ma..."
...The SID grid was assembled using a custom tool based on the blockmedian code (Wessel and Smith 1998) called medianId....
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...Approximately 20 years ago, Paul Wessel and Walter HF Smith, developers of the Generic Mapping Tools (GMT) (Wessel and Smith 1998), wrote a similar application called GMTEdit that was the inspiration for this effort. cmEdit is written in Objective-C using the Apple Xcode 3.0 development system, and…...
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...Many of the compilations offer data at a resolution far better than needed for constructing a 30-arc second grid so these high-resolution data sets were blockmedian processed at 500 m for our compilation using the GMT software (Wessel and Smith 1995, 1998)....
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...The SRTM30 PLUS topography/bathymetry and matching SID grids were constructed mostly using the tools available in GMT and UNIX....
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...The depth difference is then interpolated with the GMT routine surface using a tension factor of 0.75, and the value of the predicted bathymetry is restored to the interpolated difference....
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Cites background from "New, improved version of generic ma..."
...Minor updates were released a few times each year, while every few years, major new versions were released, such as GMT 3 (Wessel & Smith, 1995, 1998) and GMT 4 (2004, online announcement only)....
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References
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