How can I calculate a more accurate line length using a DEM?
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More accurate line length using elevation / DEM
Best answer by fmelizard
There are probably a few ways to do this, but here is one way.
Chopper —> PointOnRasterValueExtractor —> 3DForcer —> PointConnector —> LengthCalculator
- Chopper: split the line into points (max vertices = 1)
- PointOnRasterValueExtractor: get the elevation from the raster to the points.
- 3DForcer: force the point features to use the elevation as the z component.
- PointConnecter: connect the points into a line again.
- LengthCalculator: calculate the length using all three dimensions.
I wonder how others are doing this?
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