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QGIS is a cross-platform GIS application licensed under the GNU General Public License.

5 votes
1 answer
913 views

Adding z-value to the triangulation output from the TIN interpolation in QGIS

For a project I'm working on I need to do a triangulation over points (csv) or lines (dxf). When running the TIN interpolation from the processing toolbox I save the triangulation as a temp file. This …
Lars81's user avatar
  • 83
2 votes
2 answers
436 views

Using GRASS v.delaunay with QGIS results with gaps in triangulation

When I use the GRASS v.delaunay algortithm in QGIS 3.18 on my dataset the output has gaps in it. But when I use the QGIS delaunay algorithm there are no problems and all is triangulated. …
Lars81's user avatar
  • 83
1 vote
Accepted

Using GRASS v.delaunay with QGIS results with gaps in triangulation

The problems with the gaps within the triangulation with v.delaunay is solved with the solution as provided by @Babel. But along the borders there were points in this dataset that were left out of the …
Lars81's user avatar
  • 83