When placing points for a toposurface you can chose between Absolute Elevation or Relative to Surface.


Absolute elevation refers to the Project Base Point, however most (all) siteplans we recieve are based on the Survey point. Currently we're forced to calculate all the heights in relation to the Project Base Point.
When creating a toposurface, we should be also able to choose Survey Point. So we can input the data directly.
It would make our work a lot easier and more logical.