I have done this with QGIS, if you have a grid with categorised values, QGIS
can generate a polygon shapefile with the cell boundaries merged by cell value.
QGIS uses gdal_polygonize.py under the hood to do this (via a simple GUI
interface), so if you work out the command line parameters you nee
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 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 shape
