Elevation profile only gives the Z value of the start and end of a polyline/line

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08-03-2021 12:42 AM
NielsB
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Hi everyone, 

I try to make a webapp which can be used to generate to generate simple profiles from embankments/dikes. 

As heightmap I use a raster tiff with zvalues  with a resolution of 0.5meter:

image.png

For some arcane reason the profile only seems to show first and the last z value of a line and ignores all other values between those points.

What am I doing wrong?

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