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A simple way to sample points is creating a mesh, and exporting the coordinates of the nodes as a simple text fileStart again. Create a new GiD project using
Files->New
Import and import another time the DXF 'level_curves.dxf' file.
Generate a mesh (Mesh->Generate), and write the coordinates of its nodes withusing
Files->Export->Using template .bas (only mesh)->XYZ
Create again a new model (Files->New) and import the XYZ file as geometric points
Files->Import->XYZ points...
And select Ensure the 'Triangulate' extra option is selected in the import options parameters, as shown in the following figure.
This will create a TIN 'Delaunay' triangulation, connecting in Z projection the provided points (a collapse is needed, to avoid nodes overlapped).
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