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I have a line of an elevation profile and a ground layer below it.

Is there a possibility to get the height above ground for every position (not waypoint) on the line?

My height profile in the built-in tool: enter image description here The red doted lines are examples, where I would like to have height data above Ground

In the real project, I have additional ground layers, so a solution where I can choose a specific ground layer would be great.

I am using QGIS 3.32.0-Lima

EDITS

I am searching for an automated way (e.g. hover on the line and see the height), I am aware of the measurement tool in the elevation profile window.

Here is a picture with 2 rasters and the waypoints (blue dots) enter image description here

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  • Is the line a vector layer? Does the line have Z values?
    – Bera
    Commented Jul 21, 2023 at 9:39
  • @BERA No, the line is just created by changing the style of the waypoints to become a line (in the height properties of the waypoints, set style to line). Commented Jul 21, 2023 at 10:42
  • But you do have some points (waypoints) with some Z values and you want to know the difference between the values expressed in the waypoint and the value of the raster at that location?
    – GBG
    Commented Jul 21, 2023 at 15:37
  • Can you explain what you mean by "every position on the line"? Commented Jul 21, 2023 at 22:41
  • @GBG yes, I have waypoints with z-values and to see the difference between the waypoints and the raster would also be great! I will add a picture, where the dots on the line are the waypoints. Commented Jul 24, 2023 at 5:45

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