Hi list -
I have a question regarding transformation of ellisoid heights to geoid
heights..
I have a dataset consisting of points, where the z coordinate is a
attribute column for the layer. (If necessary, this can be changed to a
3 dimensional layer type - or the x, y values can be placed i 2
attribute columns - whatever)
The data is in EPSG:32825 (UTM32N/ETRS89) and the present height values
are ellisoid height values for this CRS.
I would like to transform the height values the the corresponding DVR90
( EPSG:5799) geoid height values
Can this be done in QGIS using some kind of expression function. Or
using ogr2ogr ? or Postgis ??
--
Med venlig hilsen / Best regards
Bo Victor Thomsen
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