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Drainage construction raises surface elevation
I have imported lineshaped drainage constructions from a Geojson into my project. The drainage constructions are recognized by the Watermodule Overlay. After recalculating the overlay the surface elevation within the area with drainage constructions has been raised +1m.
What could be the cause of this?
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Comments
Hello @Harm HDSR ,
Thank you for sharing your question with our community members!
The linear drains have the function: Other function. This causes the ground level elevation. These drains should also have the function Underground drainage construction, just like the drainage plot. It is best to load the data via the (ground)water wizard, because then the works of art are immediately assigned the correct function.
If you adjust this, it should work as desired.
Kind regards,
Hansje
Tygron support team