If you have the raster version, what about this https://gdal.org/programs/gdal_polygonize.html ?
On Fri, 7 Apr 2023 at 10:34, Paul Meems <bontepaar...@gmail.com> wrote: > Hello List, > I'm working on a C# application that uses Golden Software Surfer to create > maps, but I also need to export the data to a polygon shapefile. > Unfortunately, Surfer creates a shapefile with shapes on top of each other > instead of inside each other, and Golden Software support couldn't help > with this issue. > > I have a grid-file in Surfer Bin Grid format that can be converted to > other raster formats, a border shapefile created using ST_Convexhull, and a > text file indicating the values of the polygons. > > [image: image.png] > > Can anyone recommend a way to use GDAL/OGR to make a polygon shapefile > from these resources, or suggest an alternative approach? > > Regards, > > Paul > > _______________________________________________ > gdal-dev mailing list > gdal-dev@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/gdal-dev >
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